Schedule of Portfolio Investments	Limited Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Alt-A - Fixed Rate Mortgage Backed Securities, continued:
$	230,000	COMM Mortgage Trust, Series 2013-CR12, Class A4, 4.05%, 10/10/46, Callable 11/10/23 @ 100*	$	227,717
	9,644	Countrywide Alternative Loan Trust, Series 2005-J13, Class 2A3, 5.50%, 11/25/35, Callable 6/25/23 @100*		6,851
	15,257	Countrywide Alternative Loan Trust, Series 2006-2CB, Class A3, 5.50%, 3/25/36, Callable 6/25/23 @ 100*		6,606
	15,640	Countrywide Alternative Loan Trust, Series 2006-43CB, Class 1A4, 6.00%, 2/25/37, Callable 6/25/23 @ 100*		8,896
	116,171	Countrywide Alternative Loan Trust, Series 2006-J8, Class A2, 6.00%, 2/25/37, Callable 6/25/23 @ 100*		52,882
	55,117	Countrywide Alternative Loan Trust, Series 2004-J8, Class 2A1, 7.00%, 8/25/34, Callable 6/25/23 @ 100*		51,402
	104	Master Alternative Loans Trust, Series 2004-3, Class 1A1, 5.00%, 3/25/19, Callable 6/25/23 @ 100*		99
	689	Master Alternative Loans Trust, Series 2005-1, Class 5A1, 5.50%, 1/25/20, Callable 6/25/23 @ 100*		615
	2,827	Master Alternative Loans Trust, Series 2004-3, Class 3A1, 6.00%, 4/25/34, Callable 6/25/23 @ 100*		2,820
	250,728	Master Alternative Loans Trust, Series 2004-3, Class 5A1, 6.50%, 3/25/34, Callable 6/25/23 @ 100*		255,152
	16,701	Master Alternative Loans Trust, Series 2004-1, Class 3A1, 7.00%, 1/25/34, Callable 6/25/23 @ 100*		17,488
	2,660	Master Alternative Loans Trust, Series 2004-3, Class 8A1, 7.00%, 4/25/34, Callable 6/25/23 @ 100*		2,751
	101	Residential Accredit Loans, Inc., Series 2004-QS13, Class CB, 5.00%, 9/25/19, Callable 6/25/23 @ 100*		98
	5,565	Residential Accredit Loans, Inc., Series 2004-QS6, Class A1, 5.00%, 5/25/19, Callable 6/25/23 @ 100*		5,171
	20,726	Residential Accredit Loans, Inc., Series 2006-QS6, Class 1A2, 6.00%, 6/25/36, Callable 6/25/23 @ 100*		16,679
	40,458	Residential Asset Securitization Trust, Series 2006-A9CB, Class A5, 6.00%, 9/25/36, Callable 3/25/25 @ 100*		13,331
	24,169	Residential Asset Securitization Trust, Series 2007-A5, Class 2A3, 6.00%, 5/25/37, Callable 6/25/23 @ 100*		14,910
	7,344	Wells Fargo Mortgage Backed Securities Trust, Series 2005-1, Class 2A3, 5.50%, 2/25/35, Callable 6/25/23 @ 100*		7,113
				721,354
Prime Adjustable Rate Mortgage Backed Securities (1.4%)
	205	Adjustable Rate Mortgage Trust, Series 2005-1, Class 2A22, 4.18%, 5/25/35(b)		204
	327,920	American Home Mortgage Investment Trust, Series 2006-2, Class 3A2, 6.70%, 6/25/36, Callable 6/25/23 @ 100*(b)(c)		54,595

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Adjustable Rate Mortgage Backed Securities, continued:
$	97,598	Banc of America Funding Corp., Series 2015-R3, Class 4A1, 5.29% (US0001M + 15 bps), 3/27/37(a)	$	97,448
	2,359	Banc of America Mortgage Securities, Series 2006-B, Class 2A1, 3.99%, 11/20/46, Callable 6/20/23 @ 100*(b)		2,101
	3,989	Bank of America Mortgage Securities, Series 2006-A, Class 2A1, 3.90%, 2/25/36, Callable 6/25/23 @ 100*(b)		3,586
	4,574	Bank of America Mortgage Securities, Series 2003-H, Class 2A3, 4.39%, 9/25/33, Callable 6/25/23 @ 100*(b)		4,259
	3,219	Bank of America Mortgage Securities, Series 2004-E, Class 1A1, 4.55%, 6/25/34, Callable 6/25/23 @ 100*(b)		3,013
	4,408	Bear Stearns Adjustable Rate Mortgage Trust, Series 2004-6, Class 1A1, 3.76%, 9/25/34, Callable 6/25/23 @ 100*(b)		3,958
	2,446	Bear Stearns Adjustable Rate Mortgage Trust, Series 2004-10, Class 15A1, 4.25%, 1/25/35, Callable 6/25/23 @ 100*(b)		2,323
	6,063	Bear Stearns Adjustable Rate Mortgage Trust, Series 2006-4, Class 1A1, 4.70%, 10/25/36, Callable 6/25/23 @ 100*(b)		5,597
	3,179	Bear Stearns Adjustable Rate Mortgage Trust, Series 2005-9, Class A1, 5.23% (H15T1Y + 230 bps), 10/25/35, Callable 6/25/23 @ 100*		2,999
	2,822	Bear Stearns Mortgage Securities, Inc., Series 1997-6, Class 1A, 6.60%, 3/25/31, Callable 6/25/23 @ 100*(b)		2,793
	8,755	Chase Mortgage Finance Corp., Series 2007-A2, Class 10A1, 3.77%, 7/25/37, Callable 6/25/23 @ 100*(b)		6,699
	4,468	Citigroup Mortgage Loan Trust, Inc., Series 2005- 3, Class 2A2A, 3.97%, 8/25/35(b)		4,341
	212	Countrywide Home Loans, Series 2003-42, Class 1A1, 3.99%, 9/25/33, Callable 6/25/23 @ 100*(b)		173
	3,098	Countrywide Home Loans, Series 2003-60, Class 2A1, 4.12%, 2/25/34, Callable 6/25/23 @ 100*(b)		2,839
	6,338	Countrywide Home Loans, Series 2003-58, Class 2A2, 4.28%, 2/19/34, Callable 6/19/23 @ 100*(b)		6,097
	19,408	Credit Suisse First Boston Mortgage Securities Corp., Series 2004-AR7, Class 2A1, 3.94%, 11/25/34, Callable 6/25/23 @ 100*(b)		18,574
	22,762	Credit Suisse First Boston Mortgage Securities Corp., Series 2002-AR28, Class CB3, 4.17%, 11/25/32, Callable 6/25/23 @ 100*(b)		13,170
	4,391	First Horizon Mortgage Pass-Through Trust, Series 2005-AR4, Class 2A1, 4.02%, 10/25/35, Callable 6/25/23 @ 100*(b)		4,127
	22,682	GMAC Mortgage Corp. Loan Trust, Series 2005-AR6, Class 3A1, 3.62%, 11/19/35, Callable 6/19/23 @ 100*(b)		19,646
	15,022	GSR Mortgage Loan Trust, Series 2005-AR2, Class 1A2, 3.82%, 4/25/35, Callable 6/25/23 @ 100*(b)		13,451
	4,239	GSR Mortgage Loan Trust, Series 2005-AR7, Class 2A1, 4.48%, 11/25/35, Callable 6/25/23 @ 100*(b)		4,197

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Limited Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Adjustable Rate Mortgage Backed Securities, continued:
$	53,842	Harborview Mortgage Loan Trust, Series 2004-10, Class 3A1B, 3.90%, 1/19/35, Callable 6/19/23 @ 100*(b)	$	47,263
	2,932	Harborview Mortgage Loan Trust, Series 2005-14, Class 3A1A, 4.55%, 12/19/35, Callable 6/19/23 @ 100*(b)		2,753
	18,303	Indymac Index Mortgage Loan Trust, Series 2006-AR13, Class A1, 3.38%, 7/25/36, Callable 6/25/23 @100*(b)		12,961
	30,518	Indymac Index Mortgage Loan Trust, Series 2006-AR19, Class 1A2, 3.51%, 8/25/36, Callable 6/25/23 @ 100*(b)		21,714
	7,963	Indymac Index Mortgage Loan Trust, Series 2004-AR4, Class 1A, 3.79%, 8/25/34, Callable 6/25/23 @ 100*(b)		7,171
	17,702	Indymac Index Mortgage Loan Trust, Series 2004-AR4, Class 3A, 4.00%, 8/25/34, Callable 6/25/23 @ 100*(b)		16,300
	1,399	JPMorgan Mortgage Trust, Series 2006-A5, Class 3A4, 3.94%, 8/25/36, Callable 6/25/23 @ 100*(b)		1,144
	—	LSTAR Securities Investment, Ltd., Series 2021-1, Class A, 7.83% (US0001M + 180 bps), 2/1/26, Callable 7/1/23 @ 100*(a)		—
	5,630	Merrill Lynch Mortgage Investors Trust, Series 2004-1, Class 2A2, 3.88%, 12/25/34, Callable 6/25/23 @ 100*(b)		5,278
	685	Merrill Lynch Mortgage Investors Trust, Series 2004-A1, Class 2A2, 4.06%, 2/25/34, Callable 12/25/23 @ 100*(b)		627
	6,163	Merrill Lynch Mortgage Investors Trust, Series 2004-A2, Class 1A, 4.36%, 7/25/34, Callable 3/25/24 @ 100*(b)		5,832
	3,406	Morgan Stanley Mortgage Loan Trust, Series 2004-6AR, Class 2A2, 3.66%, 8/25/34, Callable 8/25/25 @ 100*(b)		3,283
	1,675	Morgan Stanley Mortgage Loan Trust, Series 2004-6AR, Class 3A, 4.17%, 8/25/34, Callable 6/25/24 @ 100*(b)		1,611
	18,351	Structured Adjustable Rate Mortgage Loan Trust, Series 2004-18, Class 1A2, 4.18%, 12/25/34, Callable 6/25/23 @ 100*(b)		16,076
	2,022	Structured Adjustable Rate Mortgage Loan Trust, Series 2004-1, Class 3A1, 4.72%, 2/25/34, Callable 6/25/23 @ 100*(b)		1,885
	5,532	Structured Asset Mortgage Investments, Inc., Series 2005-AR7, Class 1A1, 3.90%, 12/27/35, Callable 6/25/23 @ 100*(b)		5,520
	9,162	Structured Asset Securities Corp., Series 2003-24A, Class 1A3, 5.35%, 7/25/33, Callable 6/25/23 @ 100*(b)		8,892
	39,424	Washington Mutual Mortgage Pass-Through Certificates, Series 2006-AR14, Class 1A1, 3.35%, 11/25/36, Callable 6/25/23 @ 100*(b)		33,713
	1,156	Washington Mutual Mortgage Pass-Through Certificates, Series 2006-AR8, Class 1A1, 3.68%, 8/25/46, Callable 6/25/23 @ 100*(b)		1,028
	6,373	Washington Mutual Mortgage Pass-Through Certificates, Series 2006-AR10, Class 1A2, 3.75%, 9/25/36, Callable 6/25/23 @ 100*(b)		5,452

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Adjustable Rate Mortgage Backed Securities, continued:
$	2,876	Washington Mutual Mortgage Pass-Through Certificates, Series 2004-AR3, Class A2, 4.52%, 6/25/34, Callable 6/25/23 @ 100*(b)	$	2,615
	3,665	Washington Mutual Mortgage Pass-Through Certificates, Series 2004-AR10, Class A1B, 5.98% (US0001M + 84 bps), 7/25/44, Callable 6/25/23 @ 100*		3,397
				480,705
Prime Fixed Mortgage Backed Securities (9.3%)
	468,976	Angel Oak Mortgage Trust, Series 2019-6, Class A1, 2.62%, 11/25/59, Callable 6/25/23 @ 100*(a)(b)		450,459
	9,328	Citigroup Mortgage Loan Trust, Inc., Series 2003-1, Class WA2, 6.50%, 6/25/31, Callable 6/25/23 @ 100*		9,034
	55,789	Citigroup Mortgage Loan Trust, Inc., Series 2004- NCM2, Class 1CB2, 6.75%, 8/25/34, Callable 6/25/23 @ 100*		51,527
	9,758	Citigroup Mortgage Loan Trust, Inc., Series 2004- NCM2, Class 2CB3, 8.00%, 8/25/34, Callable 6/25/23 @ 100*		9,716
	3,376	Credit Suisse First Boston Mortgage Securities Corp., Series 2004-7, Class 5A1, 5.00%, 10/25/19, Callable 6/25/23 @ 100*		3,243
	57,421	Credit Suisse First Boston Mortgage Securities Corp., Series 2003-23, Class 1A11, 6.00%, 10/25/33		54,125
	7,884	Credit Suisse First Boston Mortgage Securities Corp., Series 2003-8, Class 5A1, 6.50%, 4/25/33, Callable 6/25/23 @ 100*		7,790
	14,438	Credit Suisse First Boston Mortgage Securities Corp., Series 2003-1, Class 1A1, 7.00%, 2/25/33, Callable 6/25/23 @ 100*		14,409
	31,926	Credit Suisse First Boston Mortgage Securities Corp., Series 2002-10, Class 2B1, 7.50%, 5/25/32, Callable 6/25/23 @ 100*		9,096
	173,614	Credit Suisse First Boston Mortgage Securities Corp., Series 2002-34, Class 1A1, 7.50%, 12/25/32, Callable 6/25/23 @ 100*		180,522
	390,790	GS Mortgage-Backed Securities Corp. Trust, Series 2019-PJ2, Class A8, 4.00%, 11/25/49, Callable 6/25/23 @ 100*(a)(b)		367,357
	15,239	GSR Mortgage Loan Trust, Series 2003-3F, Class 2A1, 4.50%, 4/25/33, Callable 6/25/23 @ 100*		14,210
	20,228	GSR Mortgage Loan Trust, Series 2005-8F, Class 3A4, 6.00%, 11/25/35, Callable 8/25/35 @ 100*		8,689
	517,681	JPMorgan Mortgage Trust, Series 2020-4, Class A3A, 2.50%, 11/25/50, Callable 3/25/40 @ 100*(a)(b)		429,323
	406,501	JPMorgan Mortgage Trust, Series 2017-2, Class A4, 3.00%, 5/25/47, Callable 8/25/35 @ 100*(a)(b)		353,293
	8,966	Lehman Mortgage Trust, Series 2005-3, Class 1A3, 5.50%, 1/25/36, Callable 6/25/23 @ 100*		4,624
	1,343,333	NewRez Warehouse Securitization Trust, Series 2021-1, Class D, 6.54% (US0001M + 140 bps), 5/25/55, Callable 5/25/24 @ 100*(a)		1,322,638

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Limited Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Fixed Mortgage Backed Securities, continued:
$	4,154	Residential Funding Mortgage Securities I, Series 2005-S7, Class A1, 5.50%, 11/25/35, Callable 6/25/23 @ 100*	$	3,355
	11,709	Residential Funding Mortgage Securities I, Series 2003-S9, Class A1, 6.50%, 3/25/32, Callable 6/25/23 @ 100*		11,496
	55,574	Structured Asset Mortgage Investments, Inc., Series 1999-2, Class 3A, 6.75%, 5/25/29, Callable 6/25/23 @ 100*		53,852
				3,358,758
Subprime Mortgage Backed Securities (1.3%)
	68,205	Towd Point Mortgage Trust, Series 2017-1, Class A1, 2.75%, 10/25/56, Callable 1/25/30 @ 100*(a)(b)		67,067
	121,178	Towd Point Mortgage Trust, Series 2017-2, Class A1, 2.75%, 4/25/57, Callable 4/25/26 @ 100*(a)(b)		119,575
	308,593	Towd Point Mortgage Trust, Series 2017-6, Class A1, 2.75%, 10/25/57, Callable 2/25/29 @ 100*(a)(b)		293,231
				479,873
U.S. Government Agency Mortgage Backed Securities (13.6%)
	145,561	Fannie Mae, Series 2013-68, Class 10A1, 1.00%, 3/25/42		122,121
	30,465	Fannie Mae, Series 2012-31, Class PA, 2.00%, 4/25/41		29,323
	23,942	Fannie Mae, Series 2012-96, Class PD, 2.00%, 7/25/41		23,517
	118,908	Fannie Mae, Series 2013-18, Class 10A1, 2.00%, 12/25/42		105,838
	78,439	Fannie Mae, Series 2013-73, Class 10A1, 2.25%, 6/25/42		72,119
	75,087	Fannie Mae, Series 2013-74, Class 10A1, 2.25%, 6/25/42(b)		70,769
	58,218	Fannie Mae, Series 2011-118, Class 10A1, 3.00%,11/25/41		53,628
	117,072	Fannie Mae, Series 2014-1, Class AB, 3.00%, 6/25/43		110,871
	433,484	Fannie Mae, Series 2018-83, Class LC, 3.00%, 11/25/48		396,295
	10,937	Fannie Mae, 3.67% (US0012M + 133 bps), 1/1/35, Pool #805386		10,726
	538,375	Fannie Mae, Series 2003-W14, Class 2A, 4.26%, 1/25/43, Callable 6/25/23 @ 100*(b)		505,421
	19,990	Fannie Mae, 4.29% (H15T1Y + 229 bps), 2/1/30, Pool #556998		19,686
	413	Fannie Mae, 4.32% (H15T1Y + 222 bps), 6/1/32, Pool #725286		408
	329,590	Fannie Mae, Series 2003-W16, Class AF5, 4.40%, 11/25/33, Callable 6/25/23 @ 100*(b)(c)		306,304
	1,611	Fannie Mae, Series 2001-W4, Class AF6, 5.11%, 1/25/32, Callable 6/25/23 @ 100*(b)(c)		1,595
	3,642	Fannie Mae, Series 2001-W2, Class AF6, 6.09%, 10/25/31, Callable 6/25/23 @ 100*(b)(c)		3,639
	5,354	Fannie Mae, Series 2001-W1, Class AF6, 6.40%, 7/25/31, Callable 6/25/23 @ 100*(b)(c)		5,494
	1,000	Fannie Mae, Series 1996-42, Class LL, 7.50%, 9/25/26		1,000

Shares or Principal Amount		Security Description	Value

Mortgage Backed Securities†, continued:
U.S. Government Agency Mortgage Backed Securities, continued:
$	744,166	Fannie Mae Grantor Trust, Series 2003-T4, Class 2A5, 4.45%, 9/26/33, Callable 6/26/23 @ 100*(b)(c)	$	717,079
	803,979	Fannie Mae REMIC Trust, Series 2004-W10, Class A6, 5.75%, 8/25/34, Callable 6/25/23 @ 100*		805,067
	32,334	Freddie Mac, Series 4146, Class 10A1, 1.50%, 10/15/42		30,872
	313,753	Freddie Mac, Series 4220, Class KC, 1.50%, 5/15/32		294,795
	41,905	Freddie Mac, Series 3982, Class MD, 2.00%, 5/15/39		40,264
	114,327	Freddie Mac, Series 4019, Class GB, 2.00%, 12/15/41		104,476
	119,664	Freddie Mac, Series 4272, Class YG, 2.00%, 11/15/26		116,921
	88,341	Freddie Mac, Series 3913, Class PC, 2.50%, 3/15/41		84,297
	341,211	Freddie Mac, Series 4374, Class GA, 3.00%, 9/15/36		318,380
	259,598	Freddie Mac, Series T-67, Class 1A1C, 3.89%, 3/25/36, Callable 6/25/23 @ 100*(b)		245,249
	2,057	Freddie Mac, 4.00%, 9/1/33, Pool #N31025		1,998
	2,651	Freddie Mac, 5.85% (US0006M + 152 bps), 4/1/36, Pool #1N0148		2,685
	317,313	Government National Mortgage Assoc., Series 2013-69, 2.00%, 9/20/42		278,491
	957	Government National Mortgage Assoc., 2.75% (H15T1Y + 150 bps), 12/20/27, Pool #80141		930
	5,861	Government National Mortgage Assoc., 2.88% (H15T1Y + 150 bps), 5/20/34, Pool #80916		5,706
	498	Government National Mortgage Assoc., 3.63% (H15T1Y + 150 bps), 1/20/25, Pool #8580		486
	870	Government National Mortgage Assoc., 3.63% (H15T1Y + 150 bps), 1/20/25, Pool #8585		849
	403	Government National Mortgage Assoc., 3.63% (H15T1Y + 150 bps), 3/20/26, Pool #8832		390
	1,022	Government National Mortgage Assoc., 3.63% (H15T1Y + 150 bps), 3/20/29, Pool #80263		979
	50	Government National Mortgage Assoc., 6.50%, 12/15/25, Pool #414856		51
	9	Government National Mortgage Assoc., 7.00%, 4/20/24, Pool #1655		9
	8	Government National Mortgage Assoc., 7.00%, 11/20/26, Pool #2320		8
	16	Government National Mortgage Assoc., 7.50%, 3/15/24, Pool #376439		16
				4,888,752
Total Mortgage Backed Securities (Cost $11,323,861)				10,228,079

Corporate Bonds (15.4%)
Aerospace & Defense (2.6%)
	920,000	Boeing Co. (The), 7.95%, 8/15/24	944,540
Banks (3.1%)
	1,057,740	Southtrust Bank/Georgia, 7.74%, 5/15/25	1,095,233
Capital Markets (2.9%)
	1,116,000	Goldman Sachs Group, Inc. (The), 1.30%, 11/15/24, Callable 8/15/23 @ 100*	1,046,345
	2,000,000	Lehman Brothers Holdings, Inc., 6.00%, 7/19/12, MTN (d)	4,000
			1,050,345

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Limited Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Corporate Bonds, continued:
Financial Services (4.7%)
$	670,000	Athene Global Funding, 1.72%, 1/7/25 (a)	$	621,609
	1,206,000	Western Union Co. (The), 1.35%, 3/15/26, Callable 2/15/26 @ 100 *		1,071,927
				1,693,536
Tobacco (2.1%)
	806,000	BAT Capital Corp., 3.22%, 9/6/26, Callable 7/6/26 @ 100 *		753,876
Total Corporate Bonds (Cost $7,044,973)				5,537,530

Taxable Municipal Bonds (0.5%)
Pennsylvania (0.5%)
	190,000	Philadelphia Authority for Industrial Development Revenue, 3.96%, 4/15/26		185,533
Total Taxable Municipal Bonds (Cost $189,839)				185,533

U.S. Government Agency Securities (11.4%)
Federal Farm Credit Banks
	1,000,000	1.23%, 9/10/29, Callable 6/13/23 @ 100 *		829,047
	475,000	5.11% (SOFR + 5 bps), 2/13/24		475,171
	350,000	5.12% (SOFR + 6 bps), 10/8/24		349,711
				1,653,929
Federal Home Loan Banks
	35,000	0.90%, 8/27/26, Callable 8/27/23 @ 100 *		31,217
	250,000	1.00%, 3/29/29, Callable 6/29/23 @ 100 *(b)		214,695
	370,000	1.25%, 6/30/25, Callable 6/30/23 @ 100 *(b)		348,560
	252,500	1.25%, 2/19/30, Callable 8/19/23 @ 100 *		205,120
	180,000	2.10%, 11/26/31, Callable 6/13/23 @ 100 *		148,805
	249,000	3.63%, 7/26/24, Callable 7/26/23 @ 100 *		244,141
	300,000	4.84%, 5/15/30, Callable 5/15/25 @ 100 *		297,363
	350,000	5.18% (SOFR + 12 bps), 5/1/25		350,062
	220,000	5.40%, 2/24/28, Callable 8/24/23 @ 100 *		217,144
				2,057,107
Federal Home Loan Mortgage Corporation
	180,000	5.50%, 6/18/24, Callable 9/22/23 @ 100 *		179,944
Federal National Mortgage Association
	250,000	1.00%, 10/27/28, Callable 7/27/23 @ 100 *		211,212
Total U.S. Government Agency Securities (Cost $4,321,515)				4,102,192

U.S. Treasury Obligations (11.4%)
U.S. Treasury Notes
	730,000	1.50%, 2/15/30		635,813
	400,000	3.88%, 12/31/27		400,703
	942,000	4.13%, 9/30/27		951,457
	2,161,000	4.25%, 9/30/24		2,142,935
Total U.S. Treasury Obligations (Cost $4,149,488)				4,130,908

Investment in Affiliates (8.0%)
	2,875,015‌	Cavanal Hill Government Securities Money Market Fund, Select Shares, 4.93%(e)		2,875,015
Total Investment in Affiliates (Cost $2,875,015)				2,875,015‌

Total Investments (Cost $39,817,381) — 99.5%				35,873,963‌
Other assets in excess of liabilities — 0.5%				173,139‌
Net Assets - 100.0%			$	36,047,102‌

(a)

Represents a restricted security, purchased under Rule 144A, Section 4(2), which is exempt from registration under the Securities Act of 1933, as amended. The security has been deemed liquid according to the policies and procedures adopted by the Board of Trustees.

(b)

The rate for certain asset-backed and mortgage-backed securities may vary based on factors relating to the pool of assets underlying the security. The rate presented is the rate in effect at May 31, 2023.

(c)

Step Bond: Coupon rate is set for an initial period and then increased to a higher coupon rate at a specified date. The rate shown is the rate in effect at May 31, 2023.

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Limited Duration Fund
May 31, 2023 (Unaudited)	Concluded

(d)

Issuer has defaulted on the payment of interest.

(e)

Money market investment. The rate presented on the Schedule of Portfolio Investments is the rate in effect at May 31, 2023.

Represents next call date. Additional subsequent call dates and amounts may apply to this security.

†

Mortgage backed securities are classified based on the characteristics of their underlying collateral, the fixed vs. variable nature of the obligations, and the credit standing of the mortgagors. The fixed or variable rate nature of securities interest payments to which the fund is entitled may not coincide with the payment nature of the collateral underlying the securities.

Amounts shown as “—“ are either 0 or round to less than 1.

12MTA	12 Month Treasury Average
H15T1Y	1 Year Treasury Constant Maturity Rate
LIBOR	London Interbank Offered Rate
MTN	Medium Term Note
REMIC	Real Estate Mortgage Investment Conduits
SOFR	Secured Overnight Financing Rate
US0001M	1 Month US Dollar LIBOR
US0006M	6 Month US Dollar LIBOR
US0012M	12 Month US Dollar LIBOR

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Bond Fund
May 31, 2023 (Unaudited)

Shares or Principal Amount		Security Description	Value

Asset Backed Securities (11.7%)
$	825,000	Aligned Data Centers Issuer LLC, Series 2021-1A, Class A2, 1.94%, 8/15/46, Callable 8/15/24 @ 100*(a)	$	727,567‌
	16,405‌	Bear Stearns Asset Backed Securities, Inc., Series 2003-AC7, Class A1, 5.50%, 1/25/34, Callable 6/25/23 @ 100*(b)(c)		13,925‌
	423,234	BRE Grand Islander Timeshare Issuer LLC, Series 2019-A, Class B, 3.78%, 9/26/33, Callable 6/25/26 @ 100*(a)		397,928‌
	1,100,000	CoreVest American Finance Trust, Series 2021-2, Class B, 2.38%, 7/15/54, Callable 7/15/31 @ 100*(a)		881,958‌
	585,000‌	Dext ABS, Series 2023-1, Class A2, 5.99%, 3/15/32, Callable 5/15/27 @ 100*(a)		580,969‌
	1,249,018	Finance of America Structured Securities, Series 2023-S1, Class A1, 3.00%, 9/25/61(a)(b)		1,141,973‌
	1,490,000	Flexential Issuer, Series 2021-1A, Class A2, 3.25%, 11/27/51, Callable 11/25/25 @ 100*(a)		1,320,140‌
	1,500,000	Hi-Fi Music Ip Issuer II L.P, Series 2022-1A, Class A2, 3.94%, 2/1/62, Callable 8/1/23 @ 100*(a)		1,376,106‌
	658,125	Jack In The Box Funding LLC, Series 2022-1A, Class A2I, 3.45%, 2/26/52, Callable 2/25/25 @ 100*(a)		583,453‌
	928,477	Longtrain Leasing III LLC, Series 2015-1A, Class A2, 4.06%, 1/15/45, Callable 1/15/25 @ 100*(a)		880,591‌
	553,299	MVW LLC, Series 2019-2A, Class A, 2.22%, 10/20/38, Callable 3/20/26 @ 100*(a)		516,281‌
	–	RAAC Trust, Series 2004-SP1, Class AI4, 5.29%, 8/25/27, Callable 6/25/23 @ 100*(b)		–‌
	515,000	Sabey Data Center Issuer LLC, Series 2020-1, Class A2, 3.81%, 4/20/45, Callable 11/20/23 @ 100*(a)		490,427‌
	1,030,850	Sonic Capital LLC, Series 2020-1A, Class A2I, 3.85%, 1/20/50, Callable 1/20/24 @ 100*(a)		939,236‌
	667,969‌	Stack Infrastructure Issuer LLC, Series 2019-1A, Class A2, 4.54%, 2/25/44, Callable 6/25/23 @ 100*(a)		655,926‌
	15,578	Structured Asset Securities Corp., Series 2003-AL2, Class A, 3.36%, 1/25/31, Callable 6/25/23 @ 100*(a)		14,527‌
	639,850	Taco Bell Funding LLC, Series 2018-1A, Class A2II, 4.94%, 11/25/48, Callable 11/25/25 @ 100*(a)		607,686‌
	459,395	Triumph Rail Holdings LLC, Series 2021-2, Class A, 2.15%, 6/19/51, Callable 6/17/23 @ 100*(a)		400,399‌
	85,034	VR Funding LLC, Series 2020-1A, Class A, 2.79%, 11/15/50, Callable 11/15/23 @ 100*(a)		74,576‌
	1,089,000	Wendy's Funding LLC, Series 2019-1A, Class A2I, 3.78%, 6/15/49, Callable 3/15/24 @ 100*(a)		1,018,419‌
	621,485	Willis Engine Structured Trust III, Series 17, Class A, 4.69%, 8/15/42, Callable 7/15/27 @ 100*(a)(b)		558,951‌
	862,517	Willis Engine Structured Trust VI, Series 2021-A, Class A, 3.10%, 5/15/46, Callable 5/15/29 @ 100*(a)		686,857‌

Shares or Principal Amount		Security Description	Value

Asset Backed Securities, continued:
$	520,725	ZAXBY'S Funding LLC, Series 2021-1A, Class A2, 3.24%, 7/30/51, Callable 7/30/25 @ 100*(a)	$	435,230
Total Asset Backed Securities (Cost $15,787,227)				14,303,125

Mortgage Backed Securities† (12.0%)
Alt-A - Adjustable Rate Mortgage Backed Securities (0.0%^)
	51,565	Bear Stearns Alternative-A Trust, Series 2006-6, Class 32A1, 3.77%, 11/25/36, Callable 4/25/24 @ 100*(b)		27,112
	2,525	JPMorgan Alternative Loan Trust, Series 2006-S4, Class A6, 6.21%, 12/25/36, Callable 6/25/23 @ 100*(b)(c)		2,448
				29,560
Alt-A - Fixed Rate Mortgage Backed Securities (1.5%)
	40,878	Alternative Loan Trust, Series 2005-46CB, Class A3, 5.50%, 10/25/35, Callable 6/25/23 @ 100*		29,499
	6,166	Bank of America Alternative Loan Trust, Series 2006-4, Class CB1, 6.50%, 5/25/46, Callable 6/25/23 @ 100*		5,516
	25,745	Chaseflex Trust, Series 2005-2, Class 1A1, 6.00%, 6/25/35, Callable 6/25/23 @ 100*		17,802
	20,763	Chaseflex Trust, Series 2007-1, Class 1A3, 6.50%, 2/25/37, Callable 6/25/23 @ 100*		7,950
	1,150,000	COMM Mortgage Trust, Series 2013-CR12, Class A4, 4.05%, 10/10/46, Callable 11/10/23 @ 100*		1,138,586
	5,350	Countrywide Alternative Loan Trust, Series 2004- 22CB, Class 1A1, 6.00%, 10/25/34, Callable 6/25/23 @ 100*		5,292
	21,075	Countrywide Alternative Loan Trust, Series 2006- 8T1, Class 1A4, 6.00%, 4/25/36, Callable 6/25/23 @ 100*		10,304
	141,023	Countrywide Alternative Loan Trust, Series 2007- 9T1, Class 1A7, 6.00%, 5/25/37, Callable 6/25/23 @ 100*		73,043
	170,788	Countrywide Alternative Loan Trust, Series 2006- 36T2, Class 2A4, 6.25%, 12/25/36, Callable 6/25/23 @ 100*		76,880
	10,480	Master Alternative Loans Trust, Series 2005-3, Class 1A1, 5.50%, 4/25/35, Callable 8/25/25 @ 100*		9,568
	33,863	Master Alternative Loans Trust, Series 2004-3, Class 3A1, 6.00%, 4/25/34, Callable 6/25/23 @100*		33,782
	12,559	Master Alternative Loans Trust, Series 2004-6, Class 7A1, 6.00%, 7/25/34, Callable 6/25/23 @ 100*		12,084
	12,907	Master Alternative Loans Trust, Series 2005-3, Class 7A1, 6.00%, 4/25/35, Callable 8/25/25 @100*		10,656
	697	Master Alternative Loans Trust, Series 2003-7, Class 5A1, 6.25%, 11/25/33, Callable 6/25/23 @100*		716
	5,202	Master Alternative Loans Trust, Series 2004-3, Class 2A1, 6.25%, 4/25/34, Callable 6/25/23 @100*		5,200
	369,373	Morgan Stanley Bank of America Merrill Lynch Trust, Series 2013-C11, Class A3, 3.96%, 8/15/46, Callable 8/15/23 @ 100*		368,341
				1,805,219

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Bond Fund
May 31, 2023 (Unaudited)	Continued

Shares or Principal Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Adjustable Rate Mortgage Backed Securities (1.6%)
$	401,848	GS Mortgage-Backed Securities Trust, Series 2021-GR2, Class A6, 2.50%, 2/25/52, Callable 7/25/40 @ 100*(a)(b)	$	350,806
	874,900	GS Mortgage-Backed Securities Trust, Series 2021-PJ7, Class A8, 2.50%, 1/25/52, Callable 4/25/45 @ 100*(a)(b)		757,199
	3,529	JPMorgan Mortgage Trust, Series 2006-A4, Class 3A1, 4.06%, 6/25/36, Callable 6/25/23 @ 100*(b)		2,468
	93,806	JPMorgan Mortgage Trust, Series 2005-A6, Class 2A4, 4.21%, 8/25/35, Callable 6/25/23 @ 100*(b)		87,109
	7,688	Merrill Lynch Mortgage Investors Trust, Series 2004-HB1, Class A3, 4.97%, 4/25/29, Callable 6/25/23 @ 100*(b)		6,893
	832,576	Starwood Mortgage Residential Trust, Series 2021-5, Class A1, 1.92%, 9/25/66, Callable 10/25/24 @ 100*(a)(b)		683,600
	3,448	Structured Adjustable Rate Mortgage Loan Trust, Series 2006-5, Class 4A1, 4.22%, 6/25/36, Callable 6/25/23 @ 100*(b)		2,295
				1,890,370
Prime Fixed Mortgage Backed Securities (3.9%)
	259,989	Arroyo Mortgage Trust, Series 2019-3, Class A1, 2.96%, 10/25/48, Callable 6/25/23 @ 100*(a) (b)		237,596
	2,311	Chase Mortgage Finance Corp., Series 2002-S4, Class A23, 6.25%, 3/25/32, Callable 6/25/23 @ 100*		2,167
	92,871	Chaseflex Trust, Series 2006-2, Class A5, 4.40%, 9/25/36, Callable 6/25/23 @ 100*(b)		82,088
	1,217,794	CIM Trust, Series 2021-J2, Class A4, 2.50%, 4/25/51, Callable 6/25/44 @ 100*(a)(b)		1,055,485
	13,976	Citigroup Mortgage Loan Trust, Inc., Series 2005- 1, Class 3A1, 6.50%, 4/25/35		13,687
	1,000	Countrywide Home Loans, Series 2004-8, Class 1A3, 5.50%, 7/25/34, Callable 6/25/23 @ 100*		959
	3,072	Countrywide Home Loans, Series 2004-18, Class A1, 6.00%, 10/25/34, Callable 6/25/23 @ 100*		2,959
	2,956	Countrywide Home Loans, Series 2004-21, Class A10, 6.00%, 11/25/34, Callable 6/25/23 @ 100*		2,809
	92,208	Credit Suisse First Boston Mortgage Securities Corp., Series 2005-9, Class 3A1, 6.00%, 10/25/35, Callable 6/25/23 @ 100*		30,571
	97	First Nationwide Trust, Series 2001-3, Class 1A1, 6.75%,8/21/31		93
	576	GMAC Mortgage Corp. Loan Trust, Series 2003- GH2, Class A4, 5.50%, 10/25/33, Callable 6/25/23 @ 100*(b)(c)		565
	870,483	GS Mortgage-Backed Securities Trust 2022-Mm1, Series 2022-MM1, Class A8, 2.50%, 7/25/52, Callable 2/25/48 @ 100*(a)(b)		753,376
	892,297	JPMorgan Mortgage Trust, Series 2019-6, Class A5, 3.50%, 12/25/49, Callable 1/25/24 @ 100*(a)(b)		814,582
	12,076	JPMorgan Mortgage Trust, Series 2006-A2, Class 3A2, 4.17%, 4/25/36, Callable 6/25/23 @ 100*(b)		10,238

Shares or Principal Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Fixed Mortgage Backed Securities, continued:
$	16,436	JPMorgan Mortgage Trust, Series 2004-S2, Class 4A5, 6.00%, 11/25/34, Callable 6/25/23 @ 100*	$	14,904
	821,912	Mello Mortgage Capital Acceptance Trust, Series 2021-MTG2, Class A10, 2.50%, 6/25/51, Callable 11/25/44 @ 100*(a)(b)		709,549
	2,853	Nomura Asset Acceptance Corp., Series 2003-A1, Class A2, 6.00%, 5/25/33, Callable 6/25/23 @ 100*		2,802
	80,323	RAAC, Series 2004-SP2, Class A22, 6.00%, 1/25/32, Callable 6/25/23 @ 100*		71,371
	36,607	TBW Mortgage Backed Pass-Through Certificates, Series 2006-2, Class 7A1, 7.00%, 7/25/36, Callable 6/25/23 @ 100*		4,953
	151,604	Washington Mutual Mortgage Pass-Through Certificates, Series 2005-3, Class 1CB5, 5.50%, 5/25/35, Callable 6/25/23 @ 100*		128,924
	2,876	Washington Mutual Mortgage Pass-Through Certificates, Series 2004-CB1, Class 4A, 6.00%, 6/25/34, Callable 6/25/23 @ 100*		2,837
	20,547	Washington Mutual Mortgage Pass-Through Certificates, Series 2004-RA1, Class 2A, 7.00%, 3/25/34, Callable 6/25/23 @ 100*		20,175
	658,595	Wells Fargo Mortgage Backed Securities Trust, Series 2021-2, Class A3, 2.50%, 6/25/51, Callable 5/25/47 @ 100*(a)(b)		569,994
	226,906	Wells Fargo Mortgage Backed Securities Trust, Series 2019-3, Class A1, 3.50%, 7/25/49, Callable 3/25/25 @ 100*(a)(b)		204,852
	95,503	WinWater Mortgage Loan Trust, Series 2015-1, Class A1, 3.50%, 1/20/45, Callable 6/20/23 @ 100*(a)(b)		87,041
				4,824,577
Subprime Mortgage Backed Securities (0.4%)
	188,241	Towd Point Mortgage Trust, Series 2017-6, Class A1, 2.75%, 10/25/57, Callable 2/25/29 @ 100*(a)(b)		178,871
	74,170	Towd Point Mortgage Trust, Series 2018-1, Class A1, 3.00%, 1/25/58, Callable 7/25/28 @ 100*(a)(b)		71,785
	211,173	Towd Point Mortgage Trust, Series 2018-2, Class A1, 3.25%, 3/25/58, Callable 6/25/28 @ 100*(a)(b)		201,910
				452,566
U.S. Government Agency Mortgage Backed Securities (4.6%)
	783,133	Fannie Mae, Series 2021-52, Class JC, 1.25%, 7/25/51		653,432
	222,546	Fannie Mae, Series 2012-111, Class EC, 2.00%, 12/25/41		201,530
	105,050	Fannie Mae, Series 2013-23, Class AB, 2.00%, 2/25/43		94,199
	365,854	Fannie Mae, Series 2020-54, Class TA, 2.00%, 5/25/43		335,506
	125,924	Fannie Mae, Series 2012-30, Class CB, 2.25%, 10/25/41		115,821
	145,688	Fannie Mae, Series 2, Class JD, 2.50%, 2/25/50.		122,471
	86,157	Fannie Mae, Series 2010-100, Class LA, 2.50%, 7/25/40		79,883
	145,871	Fannie Mae, Series 2012-111, Class QC, 2.50%, 5/25/42		133,906

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Bond Fund
May 31, 2023 (Unaudited)	Continued

Shares or Principal Amount		Security Description		Value

Mortgage Backed Securities†, continued:
U.S. Government Agency Mortgage Backed Securities, continued:
$	37,368	Fannie Mae, Series 2014-61, Class P, 2.50%, 7/25/44	$	34,278
	187,373	Fannie Mae, Series 2014-33, Class PE, 3.00%, 4/25/43		178,264
	202,127	Fannie Mae, Series 2015-59, Class LM, 3.00%, 7/25/45		186,988
	332,584	Fannie Mae, Series 2018-M12, Class A1, 3.55%, 8/25/30		323,096
	1,132,855	Fannie Mae, Series 2022-61, Class D, 4.00%, 6/25/44		1,097,511
	7,318	Fannie Mae, 4.43% (H15T1Y + 231 bps), 12/1/27, Pool #422279		7,150
	9,775	Fannie Mae, Series 2002-W11, Class AF5, 4.98%, 11/25/32, Callable 6/25/23 @ 100*(b) (c)		8,787
	174	Fannie Mae, 5.00%, 8/1/33, Pool #730856		175
	81	Fannie Mae, 5.00%, 7/1/35, Pool #832198		82
	1,313,058	Fannie Mae, Series 2023-19, Class BA, 5.00%, 12/25/50		1,286,362
	107	Fannie Mae, 5.50%, 2/1/33, Pool #683351		110
	70	Fannie Mae, 5.50%, 9/1/34, Pool #725773		72
	808	Fannie Mae, Series 1998-36, Class ZB, 6.00%, 7/18/28		817
	18,025	Fannie Mae Whole Loan, Series 2003-W6, Class 6A, 3.87%, 8/25/42, Callable 6/25/23 @ 100*(b)		17,158
	68,596	Freddie Mac, Series 4019, Class GB, 2.00%, 12/15/41		62,686
	69,356	Freddie Mac, Series 4461, Class EA, 2.00%, 7/15/37		65,876
	132,423	Freddie Mac, Series 3913, Class PC, 2.50%, 3/15/41		126,362
	89,681	Freddie Mac, Series 3721, Class PE, 3.50%, 9/15/40		84,670
	32,134	Freddie Mac, Series 3780, Class MK, 3.50%, 10/15/40		30,338
	632	Freddie Mac, 5.13% (H15T1Y + 213 bps), 4/1/24, Pool #409624		625
	163	Freddie Mac, Series 2610, Class VB, 5.50%, 7/15/24		162
	180	Freddie Mac, 6.00%, 7/1/35, Pool #A36085		182
	747	Freddie Mac, Series 2148, Class ZA, 6.00%, 4/15/29		755
	492	Freddie Mac, 6.50%, 2/1/36, Pool #G08113		511
	5,061	Freddie Mac, Series 2036, Class PD, 6.50%, 3/15/28		5,188
	147,324	Government National Mortgage Assoc., Series 2013-69, 2.00%, 9/20/42		129,299
	204,016	Government National Mortgage Assoc., Series 2009-94, Class KB, 3.00%, 9/16/39		194,357
	80,777	Government National Mortgage Assoc., Series 2011-46, Class GJ, 3.25%, 1/16/41(b)		77,066
	9,361	Government National Mortgage Assoc., Series 2009-93, Class HG, 4.00%, 9/16/39		9,135
	15	Government National Mortgage Assoc., 7.00%, 9/15/23, Pool #347688		15
	2,519	Government National Mortgage Assoc., 7.00%, 7/15/29, Pool #490215		2,554
	235	Government National Mortgage Assoc., 7.50%, 11/15/23, Pool #354701		235
				5,667,614

Shares or Principal Amount		Security Description		Value

Mortgage Backed Securities†, continued:
U.S. Government Agency Mortgage Backed Securities, continued:
Total Mortgage Backed Securities (Cost $16,052,703)			$	14,669,906
Corporate Bonds (19.1%)
Air Freight & Logistics (0.9%)
$	1,075,150	United Airlines Pass Through Trust, Series 2020- 1, Class A, 5.88%, 10/15/27		1,062,420
Banks (3.3%)
	2,475,000	Bank of America Corp., 3.31% (SOFR + 158 bps), 4/22/42, Callable 4/22/41 @ 100 *		1,852,680
	1,350,000	JPMorgan Chase & Co., 2.52% (SOFR + 204 bps), 4/22/31, Callable 4/22/30 @ 100 *		1,146,017
	1,350,000	Wells Fargo & Co., 3.07% (SOFR + 253 bps), 4/30/41, Callable 4/30/40 @ 100 *		983,731
				3,982,428
Beverages (0.6%)
	800,000	PepsiCo, Inc., 2.75%, 3/19/30, Callable 12/19/29 @ 100*		724,006
Capital Markets (1.2%)
	1,600,000	Goldman Sachs Group, Inc., 3.50%, 11/16/26, Callable 11/16/25 @ 100 *		1,516,060
Electric Utilities (0.8%)
	1,000,000	Entergy Mississippi LLC, 3.25%, 12/1/27, Callable 9/1/27 @ 100 *		929,622
Electrical Equipment (0.8%)
	1,250,000	Emerson Electric Co., 2.20%, 12/21/31, Callable 9/21/31 @ 100*		1,036,954
Financial Services (1.5%)
	1,100,000	Jackson National Life Global Funding, 2.65%,6/21/24 (a)		1,059,304
	770,000	Western Union Co. (The), 6.20%, 11/17/36		763,721
				1,823,025
Food Products (1.7%)
	1,059,000	Conagra Brands, Inc., 4.60%, 11/1/25, Callable 9/1/25 @ 100*		1,050,264
	320,000	Mars, Inc., 0.88%, 7/16/26, Callable 6/16/26 @ 100 *(a)		285,743
	825,000	Mars, Inc., 3.20%, 4/1/30, Callable 1/1/30 @ 100 *(a)		755,407
				2,091,414
Health Care Providers & Services (2.2%)
	1,000,000	Ascension Health, Series B, 2.53%, 11/15/29, Callable 8/15/29 @ 100 *		869,029
	520,000	Montefiore Medical Center, 2.15%, 10/20/26, Callable 4/20/26 @ 100 *		469,561
	1,425,000	Sutter Health, 3.70%, 8/15/28, Callable 5/15/28 @ 100*		1,343,440
				2,682,030
Household Durables (0.9%)
	1,120,000	Harman International Industries, Inc., 4.15%, 5/15/25, Callable 2/15/25 @ 100 *		1,093,538
Interactive Media & Services (1.0%)
	1,300,000	Meta Platforms, Inc., 3.85%, 8/15/32, Callable 5/15/32 @ 100*		1,206,443
Oil, Gas & Consumable Fuels (0.7%)
	900,000	Marathon Oil Corp., 4.40%, 7/15/27, Callable 4/15/27 @ 100*		866,668
Passenger Airlines (0.8%)
	1,049,258	Alaska Airlines 2020-1, 4.80%, 8/15/27 (a)		1,011,203
Semiconductors & Semiconductor (1.8%)
	2,178,000	Broadcom, Inc., 4.15%, 11/15/30, Callable 8/15/30 @ 100*		2,004,051

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Bond Fund
May 31, 2023 (Unaudited)	Continued

Shares or Principal Amount		Security Description		Value

Corporate Bonds, continued:
Semiconductors & Semiconductor, continued:
$	325,000	Intel Corp., 3.25%, 11/15/49, Callable 5/15/49 @ 100 *	$	221,633
				2,225,684
Specialized REITs (0.9%)
	1,255,000	SBA Tower Trust, 1.88%, 1/15/26, Callable 1/15/25 @ 100 *(a)		1,133,425
Total Corporate Bonds (Cost $26,956,098)				23,384,920

Taxable Municipal Bonds (5.9%)
Kentucky (0.6%)
	750,000	Lexington-Fayette Urban County Airport Board Corp. Revenue, 2.84%, 7/1/31		670,837
Michigan (0.1%)
	190,000	Michigan State Housing Development Authority Revenue, Series B, 2.72%, 10/1/35, Continuously Callable @100		173,136
Oklahoma (2.0%)
	500,000	Grand River Dam Authority Revenue, Series B, 4.55%, 6/1/39, Continuously Callable @100		468,964
	450,000	The University of Oklahoma Revenue, Series C, 2.45%, 7/1/32, Continuously Callable @100		374,275
	1,650,000	University of Oklahoma Health Sciences Center General Revenue, Series A, 3.87%, 7/1/32, Continuously Callable @100		1,555,173
				2,398,412
Pennsylvania (0.9%)
	1,110,000	City of Bethlehem, GO, Series C, 5.15%, 11/1/34, Pre-refunded 11/1/24 @ 100, AGM		1,107,837
Texas (2.3%)
	1,000,000	Arlington Independent School District, GO, 5.00%, 2/15/26, PSF-GTD		1,011,524
	1,000,000	Arlington Independent School District, GO, 5.00%, 2/15/27, PSF-GTD		1,021,120
	785,000	Texas Transportation Commission State Highway Fund Revenue, 5.18%, 4/1/30		807,744
				2,840,388
Total Taxable Municipal Bonds (Cost $7,871,987)				7,190,610

U.S. Government Agency Securities (12.6%)
Federal Farm Credit Banks
	1,000,000	1.32%, 9/9/30, Callable 6/13/23 @ 100 *		804,470

Shares or Principal Amount		Security Description		Value

U.S. Government Agency Securities, continued:
Federal Farm Credit Banks, continued:
$	1,625,000	2.00%, 9/27/33, Callable 6/13/23 @ 100 *	$	1,292,765
	1,565,000	2.13%, 4/19/34, Callable 6/13/23 @ 100 *		1,233,814
	1,408,000	2.15%, 3/7/36, Callable 6/13/23 @ 100 *		1,062,332
	1,350,000	2.23%, 3/12/35, Callable 6/13/23 @ 100 *		1,050,711
	1,150,000	2.32%, 1/26/32, Callable 6/13/23 @ 100 *		962,700
	1,220,000	2.75%, 2/2/37, Callable 6/13/23 @ 100 *		970,583
				7,377,375
Federal Home Loan Banks
	1,100,000	1.00%, 10/29/29, Callable 7/29/23 @ 100 *(b)		957,528
	1,000,000	1.00%, 2/11/36, Callable 8/11/23 @ 100 *(b)		744,429
	1,345,000	1.25%, 10/8/30, Callable 6/13/23 @ 100 *		1,077,256
	3,000,000	1.25%, 3/24/33, Callable 6/24/23 @ 100 *(b)		2,449,367
	1,170,000	1.50%, 2/25/36, Callable 8/25/23 @ 100 *(b)		869,729
				6,098,309
Federal Home Loan Mortgage Corporation
	862,113	Series 4893, 2.50%, 5/15/49		760,271
Federal National Mortgage Association
	822,096	Series 2018-94, 3.50%, 1/25/49		771,013
	460,074	Series 2022-35, 4.00%, 3/25/47		442,977
				1,213,990
Total U.S. Government Agency Securities (Cost $16,785,130)				15,449,945

U.S. Treasury Obligations (33.1%)
U.S. Treasury Bonds
	5,704,000	1.75%,8/15/41		4,017,755
	14,755,000	3.13%,8/15/44		12,816,677
				16,834,432
U.S. Treasury Notes
	3,915,000	3.13%,8/31/29		3,779,351
	8,156,000	4.13%,9/30/27		8,237,879
	8,894,000	4.13%,11/15/32		9,220,577
	2,395,000	4.25%,9/30/24		2,374,979
				23,612,786
Total U.S. Treasury Obligations (Cost $41,252,748)				40,447,218

Investment in Affiliates (6.3%)
7,764,880		Cavanal Hill Government Securities Money Market Fund, Select Shares, 4.93%(d)		7,764,880
Total Investment in Affiliates (Cost $7,764,880)				7,764,880

Total Investments (Cost $132,470,773) — 100.7%				123,210,604
Liabilities in excess of other assets — (0.7)%				(811,196	)
Net Assets - 100.0%			$	122,399,408

(a)

(b)

(c)

Step Bond: Coupon rate is set for an initial period and then increased to a higher coupon rate at a specified date. The rate shown is the rate in effect at May 31, 2023.

(d)

Money market investment. The rate presented on the Schedule of Portfolio Investments is the rate in effect at May 31, 2023.

Represents next call date. Additional subsequent call dates and amounts may apply to this security.

Represents less than 0.05%.

†

Amounts shown as “—“ are either 0 or round to less than 1.

AGM	Assured Guaranty Municipal Corporation

GO	General Obligation

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments		Bond Fund
May 31, 2023 (Unaudited)		Concluded

H15T1Y	1 Year Treasury Constant Maturity Rate
PSF-GTD	Public School Fund Guaranteed
SOFR	Secured Overnight Financing Rate

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Moderate Duration Fund
May 31, 2023 (Unaudited)

Shares or
Principal
Amount		Security Description	Value

Asset Backed Securities (12.8%)
$	280,000	Flexential Issuer, Series 2021-1A, Class A2, 3.25%, 11/27/51, Callable 11/25/25 @ 100*(a)	$	248,080‌
	250,000	Hi-Fi Music Ip Issuer II L.P, Series 2022-1A, Class A2, 3.94%, 2/1/62, Callable 8/1/23 @ 100*(a)		229,351‌
	286,807‌	Longtrain Leasing III LLC, Series 2015-1A, Class A2, 4.06%, 1/15/45, Callable 1/15/25 @ 100*(a)		272,015‌
	125,688‌	MVW LLC, Series 2019-2A, Class A, 2.22%, 10/20/38, Callable 3/20/26 @ 100*(a)		117,279‌
	250,000‌	Sabey Data Center Issuer LLC, Series 2020-1, Class A2, 3.81%, 4/20/45, Callable 11/20/23 @ 100*(a)		238,071‌
	300,000‌	Vantage Data Centers LLC, Series 2020-1A, Class A2, 1.65%, 9/15/45, Callable 9/15/23 @ 100*(a)		269,722‌
	217,687‌	VR Funding LLC, Series 2020-1A, Class A, 2.79%, 11/15/50, Callable 11/15/23 @ 100*(a)		190,915‌
	226,875‌	Wendy's Funding LLC, Series 2019-1A, Class A2I, 3.78%, 6/15/49, Callable 3/15/24 @ 100*(a)		212,171‌
	143,753‌	Willis Engine Structured Trust VI, Series 2021-A, Class A, 3.10%, 5/15/46, Callable 5/15/29 @ 100*(a)		114,476‌
Total Asset Backed Securities (Cost $2,095,115)				1,892,080‌
Mortgage Backed Securities† (13.8%)
Alt-A - Fixed Rate Mortgage Backed Securities (2.5%)
	42,908‌	Chaseflex Trust, Series 2005-2, Class 1A1, 6.00%, 6/25/35, Callable 6/25/23 @ 100*		29,669‌
	150,000‌	COMM Mortgage Trust, Series 2013-CR12, Class A4, 4.05%, 10/10/46, Callable 11/10/23 @ 100*		148,511‌
	2,480‌	Countrywide Alternative Loan Trust, Series 2005- 3CB, Class 1A4, 5.25%, 3/25/35, Callable 6/25/23 @ 100*		2,161‌
	7,475‌	Countrywide Alternative Loan Trust, Series 2004- 5CB, Class 1A1, 6.00%, 5/25/34, Callable 6/25/23 @ 100*		7,424‌
	61,143‌	Countrywide Alternative Loan Trust, Series 2006-J8, Class A2, 6.00%, 2/25/37, Callable 6/25/23 @ 100*		27,833‌
	6,379‌	Master Alternative Loans Trust, Series 2004-1, Class 4A1, 5.50%, 2/25/34, Callable 6/25/23 @ 100*		6,198‌
	3,767‌	Master Alternative Loans Trust, Series 2004-13, Class 12A1, 5.50%, 12/25/19, Callable 6/25/23 @ 100*		2,827‌
	6,406‌	Master Alternative Loans Trust, Series 2004-4, Class 1A1, 5.50%, 5/25/34, Callable 6/25/23 @ 100*		6,158‌
	145‌	Master Alternative Loans Trust, Series 2005-1, Class 5A1, 5.50%, 1/25/20, Callable 6/25/23 @ 100*		129‌
	12,559‌	Master Alternative Loans Trust, Series 2004-6, Class 7A1, 6.00%, 7/25/34, Callable 6/25/23 @ 100*		12,084‌
	6,314‌	Master Alternative Loans Trust, Series 2003-7, Class 6A1, 6.50%, 12/25/33, Callable 6/25/23 @ 100*		6,528‌

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Alt-A - Fixed Rate Mortgage Backed Securities, continued:
$	10,958	Master Alternative Loans Trust, Series 2004-4, Class 8A1, 6.50%, 5/25/34, Callable 6/25/23 @ 100*	$	10,811‌
	19,370‌	Master Alternative Loans Trust, Series 2004-6, Class 6A1, 6.50%, 7/25/34, Callable 6/25/23 @ 100*		19,125‌
	318	Nomura Asset Acceptance Corp., Series 2005- WF1, Class 2A5, 5.66%, 3/25/35, Callable 6/25/23 @ 100*(b)(c)		311‌
	31,301‌	Ocwen Residential MBS Corp., Series 1998-R1, Class B1, 2.89%, 10/25/40, Callable 6/25/23 @ 100*(a)(b)		19,462‌
	20,296‌	Residential Accredit Loans, Inc., Series 2006- QS12, Class 1A2, 6.50%, 9/25/36, Callable 6/25/23 @ 100*		10,124‌
	33,909‌	Residential Asset Securitization Trust, Series 2005-A14, Class A5, 5.50%, 12/25/35, Callable 6/25/23 @ 100*		17,149‌
	39,406‌	Residential Asset Securitization Trust, Series 2006-A8, Class 1A1, 6.00%, 8/25/36, Callable 6/25/23 @ 100*		26,557‌
	28,099‌	Washington Mutual Mortgage Pass-Through Certificates, Series 2005-6, Class 1CB, 6.50%, 8/25/35, Callable 6/25/23 @ 100*		25,159‌
				378,220‌
Prime Adjustable Rate Mortgage Backed Securities (2.0%)
	4,087‌	Banc of America Funding Trust, Series 2004-B, Class 5A1, 4.10%, 11/20/34, Callable 6/20/23 @ 100*(b)		3,895‌
	2,568‌	Bear Stearns ARM Trust, Series 2004-9, Class 12A3, 3.95%, 11/25/34, Callable 6/25/23 @ 100*(b)		2,568‌
	857‌	Bear Stearns ARM Trust, Series 2003-7, Class 4A, 4.23%, 10/25/33, Callable 6/25/23 @ 100*(b)		863‌
	7,254‌	CHL Mortgage Pass-Through Trust, Series 2004-2, Class 2A1, 3.74%, 2/25/34, Callable 6/25/23 @ 100*(b)		5,991‌
	6,862‌	HomeBanc Mortgage Trust, Series 2006-1, Class 1A1, 3.75%, 4/25/37, Callable 6/25/23 @ 100*(b)		5,643‌
	13,006‌	JPMorgan Mortgage Trust, Series 2006-A6, Class 1A4L, 3.65%, 10/25/36, Callable 6/25/23 @ 100*(b)		9,751‌
	2,540‌	JPMorgan Mortgage Trust, Series 2006-A2, Class 2A1, 4.01% (US0003M + 101 bps), 4/25/36, Callable 6/25/23 @ 100*		2,181‌
	13,900‌	JPMorgan Mortgage Trust, Series 2005-A1, Class 3A4, 4.12%, 2/25/35, Callable 6/25/23 @ 100*(b)		13,051‌
	162,300‌	JPMorgan Mortgage Trust, Series 2005-A6, Class 3A3, 4.18%, 9/25/35, Callable 6/25/23 @ 100*(b)		147,009‌
	107,730‌	WinWater Mortgage Loan Trust, Series 2014-1, Class A1, 3.92%, 6/20/44, Callable 6/20/23 @ 100*(a)(b)		101,170‌
				292,122‌
Prime Fixed Mortgage Backed Securities (4.4%)
	1,834	American Home Mortgage Investment Trust, Series 2005-2, Class 5A1, 5.56%, 9/25/35, Callable 6/25/23 @ 100*(b)(c)		1,561‌

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Moderate Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
Prime Fixed Mortgage Backed Securities, continued:
$	58,668	Angel Oak Mortgage Trust, Series 2019-5, Class A1, 2.59%, 10/25/49, Callable 6/25/23 @ 100*(a)(b)	$	55,912‌
	11,973‌	Chase Mortgage Finance Corp., Series 2007-S2, Class 2A1, 5.50%, 3/25/37, Callable 6/25/23 @ 100*		1,068‌
	5,139‌	Citigroup Mortgage Loan Trust, Inc., Series 2005- 1, Class 3A1, 6.50%, 4/25/35		5,033‌
	4,875‌	Citigroup Mortgage Loan Trust, Inc., Series 2004- NCM1, Class 1A3, 6.75%, 7/25/34, Callable 6/25/23 @ 100*		4,776‌
	217‌	Countrywide Home Loans, Series 2004-J6, Class 1A2, 5.25%, 8/25/24, Callable 6/25/23 @ 100*		214‌
	5,915‌	Countrywide Home Loans, Series 2005-29, Class A1, 5.75%, 12/25/35, Callable 6/25/23 @ 100*		3,006‌
	3,978‌	Credit Suisse First Boston Mortgage Securities Corp., Series 2004-1, Class 4A1, 5.00%, 2/25/19, Callable 6/25/23 @ 100*		3,689‌
	9,911‌	Credit Suisse First Boston Mortgage Securities Corp., Series 2003-27, Class 8A1, 6.00%, 11/25/33, Callable 6/25/23 @ 100*		9,706‌
	208,211‌	Flagstar Mortgage Trust, Series 2021-4, Class A5, 2.50%, 6/1/51, Callable 4/25/47 @ 100*(a)(b)		179,940‌
	11,179‌	Galton Funding Mortgage Trust, Series 2017-1, Class A21, 3.50%, 7/25/56, Callable 8/25/31 @ 100*(a)(b)		10,265‌
	116,448‌	GS Mortgage-Backed Securities Corp. Trust, Series 2020-PJ3, Class A14, 3.00%, 10/25/50, Callable 11/25/27 @ 100*(a)(b)		98,580‌
	129,808‌	GSR Mortgage Loan Trust, Series 2004-13F, Class 2A1, 4.25%, 11/25/34, Callable 6/25/23 @ 100*		122,851‌
	69‌	GSR Mortgage Loan Trust, Series 2004-10F, Class 2A4, 5.00%, 8/25/19, Callable 6/25/23 @ 100*		69‌
	444‌	GSR Mortgage Loan Trust, Series 2003-2F, Class 3A1, 6.00%, 3/25/32, Callable 6/25/23 @ 100*		437‌
	905‌	Prime Mortgage Trust, Series 2004-CL1, Class 1A1, 6.00%, 2/25/34, Callable 6/25/23 @ 100*		865‌
	18,682‌	RAMP Trust, Series 2005-SL2, Class A3, 7.00%, 2/25/32, Callable 9/25/29 @ 100*		14,847‌
	6,896‌	Structured Asset Mortgage Investments, Inc., Series 1999-2, Class 3A, 6.75%, 5/25/29, Callable 6/25/23 @ 100*		6,682‌
	37‌	Structured Asset Securities Corp., Series 1997-2, Class 2A4, 7.25%, 3/28/30, Callable 6/28/23 @ 100*		37‌
	631‌	Washington Mutual Mortgage Pass-Through Certificates, Series 2003-S11, Class 1A, 5.00%, 11/25/33, Callable 6/25/23 @ 100*		597‌
	229‌	Washington Mutual Mortgage Pass-Through Certificates, Series 2004-RA1, Class 2A, 7.00%, 3/25/34, Callable 6/25/23 @ 100*		225‌
	148,184‌	Wells Fargo Mortgage Backed Securities Trust, Series 2021-2, Class A3, 2.50%, 6/25/51, Callable 5/25/47 @ 100*(a)(b)		128,249‌
				648,609‌

Shares or
Principal
Amount		Security Description		Value

Mortgage Backed Securities†, continued:
Subprime Mortgage Backed Securities (0.7%)
$	27,814‌	Towd Point Mortgage Trust, Series 2018-1, Class A1, 3.00%, 1/25/58, Callable 7/25/28 @ 100*(a)(b)	$	26,920‌
	74,532‌	Towd Point Mortgage Trust, Series 2018-2, Class A1, 3.25%, 3/25/58, Callable 6/25/28 @ 100*(a)(b)		71,262‌
				98,182‌
U.S. Government Agency Mortgage Backed Securities (4.2%)
	51,558‌	Fannie Mae, Series 2010-100, Class LA, 2.50%, 7/25/40		47,804‌
	49,824‌	Fannie Mae, Series 2014-61, Class P, 2.50%, 7/25/44		45,704‌
	19,245‌	Fannie Mae, Series 2015-12, Class PC, 2.50%, 7/25/44		18,383‌
	100,711‌	Fannie Mae, Series 2015-59, Class LM, 3.00%, 7/25/45		93,168‌
	97,819‌	Fannie Mae, Series 2018-M12, Class A1, 3.55%, 8/25/30		95,028‌
	1,315‌	Fannie Mae, 3.88% (US0012M + 163 bps), 9/1/33, Pool #739372		1,290‌
	1,670‌	Fannie Mae, 4.11% (US0012M + 186 bps), 1/1/37, Pool #906675		1,637‌
	76‌	Fannie Mae, 6.00%, 4/1/35, Pool #735503		79‌
	468‌	Fannie Mae, Series 2001-55, Class PC, 6.50%, 10/25/31		480‌
	8,186‌	Fannie Mae, Series 2003-W2, Class 1A2, 7.00%, 7/25/42, Callable 6/25/23 @ 100*		8,573‌
	266‌	Fannie Mae, Series 2002-T1, Class A3, 7.50%, 11/25/31, Callable 6/25/23 @ 100*		278‌
	43,907‌	Freddie Mac, Series 4220, Class KC, 1.50%, 5/15/32		41,254‌
	27,561‌	Freddie Mac, Series 4076, Class QC, 2.00%, 11/15/41		26,067‌
	37,831‌	Freddie Mac, Series 4461, Class EA, 2.00%, 7/15/37		35,932‌
	159,122‌	Freddie Mac, Series 3908, Class B, 2.50%, 6/15/39		143,298‌
	5,109‌	Freddie Mac, 6.29% (H15T1Y + 225 bps), 8/1/34, Pool #755230		4,986‌
	111‌	Freddie Mac, Series 1714, Class K, 7.00%, 4/15/24, Callable 6/15/23 @ 100*		111‌
	387‌	Freddie Mac, Series 1904, Class D, 7.50%, 10/15/26, Callable 6/15/23 @ 100*		391‌
	67,996‌	Government National Mortgage Assoc., Series 2013-69, 2.00%, 9/20/42		59,677‌
	2,784‌	Government National Mortgage Assoc., 7.00%, 3/15/26, Pool #419128		2,774‌
	30‌	Government National Mortgage Assoc., 7.00%, 3/20/27, Pool #2394		30‌
	29‌	Government National Mortgage Assoc., 8.00%, 10/20/24, Pool #1884		29‌
	17‌	Government National Mortgage Assoc., 8.00%, 2/20/26, Pool #2171		17‌
	443‌	Government National Mortgage Assoc., 8.00%, 4/20/26, Pool #2205		445‌

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Moderate Duration Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount		Security Description	Value

Mortgage Backed Securities†, continued:
U.S. Government Agency Mortgage Backed Securities, continued:
$	1,724‌	Government National Mortgage Assoc., 8.00%, 5/20/26, Pool #2219	$	1,739‌
				629,174‌
Total Mortgage Backed Securities (Cost $2,285,124)				2,046,307‌
Corporate Bonds (23.4%)
Air Freight & Logistics (1.2%)
	186,858‌	United Airlines Pass Through Trust, Series 2020- 1, Class A, 5.88%, 10/15/27		184,645‌
Banks (3.1%)
	310,000‌	Bank of America Corp., 1.90% (SOFR + 153 bps), 7/23/31, Callable 7/23/30 @ 100 *		246,570‌
	250,000‌	Wells Fargo & Co., 2.88% (TSFR3M + 143 bps), 10/30/30, Callable 10/30/29 @ 100, MTN *		216,202‌
				462,772‌
Capital Markets (1.9%)
	290,000‌	Goldman Sachs Group, Inc., 3.50%, 11/16/26, Callable 11/16/25 @ 100 *		274,786‌
Diversified Telecommunication Services (2.0%)
	310,000‌	AT&T, Inc., 4.35%, 3/1/29, Callable 12/1/28 @ 100*		300,589‌
Electric Utilities (1.7%)
	275,000‌	Entergy Mississippi LLC, 3.25%, 12/1/27, Callable 9/1/27 @ 100 *		255,646‌
Electrical Equipment (1.4%)
	250,000‌	Emerson Electric Co., 2.20%, 12/21/31, Callable 9/21/31 @ 100*		207,391‌
Financial Services (2.0%)
	300,000‌	Jackson National Life Global Funding, 2.65%, 6/21/24 (a)		288,901‌
Food Products (1.9%)
	300,000‌	Mars, Inc., 3.20%, 4/1/30, Callable 1/1/30 @ 100 *(a)		274,693‌
Health Care Providers & Services (3.7%)
	225,000‌	Ascension Health, Series B, 2.53%, 11/15/29, Callable 8/15/29 @ 100 *		195,532‌
	370,000‌	Sutter Health, 3.70%, 8/15/28, Callable 5/15/28 @ 100*		348,823‌
				544,355‌
Household Durables (2.6%)
	400,000‌	Harman International Industries, Inc., 4.15%, 5/15/25, Callable 2/15/25 @ 100 *		390,550‌
Semiconductors & Semiconductor (1.9%)
	301,000‌	Broadcom, Inc., 4.15%, 11/15/30, Callable 8/15/30 @ 100*		276,960‌
Total Corporate Bonds (Cost $3,916,026)				3,461,288‌

Taxable Municipal Bonds (8.4%)
Arizona (1.6%)
	250,000‌	City of Glendale Arizona, Certificate participation, 0.90%,7/1/24	237,333‌
Colorado (1.9%)
	150,000	Colorado Housing and Finance Authority Revenue, Series I-1, Class I, 0.86%, 11/1/23, GNMA: GOV. NATL MTGE ASSOCIATION	146,986‌
	150,000	Colorado Housing and Finance Authority Revenue, Series I-1, Class I, 1.11%, 5/1/25, GNMA: GOV. NATL MTGE ASSOCIATION	138,896‌
			285,882‌

Shares or
Principal
Amount		Security Description	Value

Taxable Municipal Bonds, continued:
New York (1.8%)
$	300,000‌	New York City Housing Development Corp. Revenue, Series L, 2.84%, 11/1/28, Continuously Callable @ 100	$	267,984‌
Rhode Island (2.6%)
	400,000‌	Rhode Island Convention Center Authority Revenue, 3.15%, 5/15/25		385,064‌
Wisconsin (0.5%)
	65,000‌	Public Financial Authority Revenue, 4.45%, 10/1/25, Insured by: AGC(a)		64,385‌
Total Taxable Municipal Bonds (Cost $1,316,095)				1,240,648‌
U.S. Government Agency Securities (9.6%)
Federal Farm Credit Banks
	240,000‌	1.32%, 9/9/30, Callable 6/13/23 @ 100 *		193,073‌
	250,000‌	2.32%, 1/26/32, Callable 6/13/23 @ 100 *		209,283‌
				402,356‌
Federal Farm Credit Banks Funding Corp.
	350,000‌	2.12%, 5/23/31, Callable 6/13/23 @ 100 *		293,604‌
Federal Home Loan Banks
	250,000‌	0.88%, 8/16/28, Callable 8/16/23 @ 100 *(b)		220,104‌
	220,000‌	1.25%, 3/17/31, Callable 6/17/23 @ 100 *(b)		187,000‌
	200,000‌	1.38%, 10/28/31, Callable 7/28/23 @ 100 *(b)		165,753‌
				572,857‌
Federal Home Loan Mortgage Corporation
	150,000‌	2.50%, 6/27/25, Callable 6/27/23 @ 100 *(b)(c)		147,389‌
Total U.S. Government Agency Securities (Cost $1,501,162)				1,416,206‌
U.S. Treasury Obligations (26.8%)
U.S. Treasury Notes
	350,000‌	3.13%,8/31/29		337,873‌
	795,000‌	4.13%,9/30/27		802,981‌
	643,000‌	4.13%,11/15/32		666,610‌
	2,181,000‌	4.25%,9/30/24		2,162,768‌
Total U.S. Treasury Obligations (Cost $3,986,672)				3,970,232‌
Investment in Affiliates (4.8%)
	713,455‌	Cavanal Hill Government Securities Money Market Fund, Select Shares, 4.93%(d)		713,455‌
Total Investment in Affiliates (Cost $713,455)				713,455‌
Total Investments (Cost $15,813,649) — 99.6%				14,740,216‌
Other assets in excess of liabilities — 0.4%				66,140‌
Net Assets - 100.0%			$	14,806,356‌

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Moderate Duration Fund
May 31, 2023 (Unaudited)	Concluded

	(a)	Represents a restricted security, purchased under Rule 144A, Section 4(2), which is exempt from registration under the Securities Act of 1933, as amended. The security has been deemed liquid according to the policies and procedures adopted by the Board of Trustees.
	(b)	The rate for certain asset-backed and mortgage-backed securities may vary based on factors relating to the pool of assets underlying the security. The rate presented is the rate in effect at May 31, 2023.
	(c)	Step Bond: Coupon rate is set for an initial period and then increased to a higher coupon rate at a specified date. The rate shown is the rate in effect at May 31, 2023.
	(d)	Money market investment. The rate presented on the Schedule of Portfolio Investments is the rate in effect at May 31, 2023.
	*	Represents next call date. Additional subsequent call dates and amounts may apply to this security.
	†	Mortgage backed securities are classified based on the characteristics of their underlying collateral, the fixed vs. variable nature of the obligations, and the credit standing of the mortgagors. The fixed or variable rate nature of securities interest payments to which the fund is entitled may not coincide with the payment nature of the collateral underlying the securities.

AGC	Assured Guaranty Corporation
GNMA	Government National Mortgage Association
H15T1Y	1 Year Treasury Constant Maturity Rate
LIBOR	London Interbank Offered Rate
MTN	Medium Term Note
SOFR	Secured Overnight Financing Rate
US0003M	3 Month US Dollar LIBOR
US0012M	12 Month US Dollar LIBOR

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Opportunistic Fund
May 31, 2023 (Unaudited)

Shares or
Principal
Amount	Security Description	Value

Common Stocks (22.0%)
Aerospace & Defense (0.3%)
706	Raytheon Technologies Corp.	$	65,051
Automobile Components (0.0%^)
9	BorgWarner, Inc.		399
29	Gentex Corp.		762
116	Patrick Industries, Inc.		7,601
			8,762
Banks (0.0%^)
21	JPMorgan Chase & Co.		2,850
81	Pathward Financial, Inc.		3,559
			6,409
Beverages (1.0%)
7	Coca-Cola Consolidated, Inc.		4,632
41	Constellation Brands, Inc., Class A		9,962
123	Monster Beverage Corp.(a)		7,210
626	PepsiCo, Inc.		114,151
1,674	The Coca-Cola Co.		99,871
			235,826
Biotechnology (0.6%)
866	AbbVie, Inc.		119,474
17	Alnylam Pharmaceuticals, Inc.(a)		3,145
8	Biogen, Inc.(a)		2,371
100	Exact Sciences Corp.(a)		8,158
4	Neurocrine Biosciences, Inc.(a)		358
30	Vertex Pharmaceuticals, Inc.(a)		9,707
			143,213
Broadline Retail (0.0%^)
37	Amazon.com, Inc.(a)		4,461
12	Dillard’s, Inc., Class A		3,304
			7,765
Building Products (0.0%^)
11	Allegion PLC.		1,152
3	Lennox International, Inc.		826
46	Simpson Manufacturing Co, Inc.		5,437
			7,415
Capital Markets (0.6%)
125	Artisan Partners Asset Management, Inc., Class A		4,000
84	BlackRock, Inc.		55,234
98	Federated Hermes, Inc.		3,374
28	Intercontinental Exchange, Inc.		2,967
814	Morgan Stanley		66,553
1	MSCI, Inc.		471
21	Nasdaq, Inc.		1,162
52	PJT Partners, Inc., Class A		3,505
34	The Bank of New York Mellon Corp.		1,367
6	The Goldman Sachs Group, Inc.		1,943
31	Virtu Financial, Inc., Class A		545
40	Virtus Investment Partners, Inc.		7,631
			148,752
Chemicals (0.4%)
204	AdvanSix, Inc.		6,712
34	Axalta Coating Systems, Ltd.(a)		986
14	CF Industries Holdings, Inc.		861
24	Corteva, Inc.		1,284
1,596	Dow, Inc.		77,853
4	Eastman Chemical Co.		308
12	Ecolab, Inc.		1,981
93	Hawkins, Inc.		4,365
108	Koppers Holdings, Inc.		3,128
283	LSB Industries, Inc.(a)		2,632
			100,110

Shares or
Principal
Amount	Security Description	Value

Common Stocks, continued:
Commercial Services & Supplies (0.0%^)
8	Cintas Corp.	$	3,777
9	Republic Services, Inc.		1,275
			5,052
Communications Equipment (0.4%)
58	Arista Networks, Inc.(a)		9,648
1,675	Cisco Systems, Inc.		83,197
6	F5, Inc.(a)		885
2	Motorola Solutions, Inc.		564
			94,294
Construction & Engineering (0.0%^)
16	MDU Resources Group, Inc.		467
7	Quanta Services, Inc.		1,243
118	Sterling Infrastructure, Inc.(a)		5,436
			7,146
Construction Materials (0.0%^)
7	Vulcan Materials Co.		1,369
Consumer Finance (0.1%)
105	Bread Financial Holdings, Inc.		2,959
25	Discover Financial Services		2,568
161	Enova International, Inc.(a)		7,490
19	OneMain Holdings, Inc.		719
55	Synchrony Financial		1,703
			15,439
Consumer Staples Distribution & Retail (0.1%)
65	Albertsons Cos., Inc., Class A		1,324
7	Costco Wholesale Corp.		3,581
81	Ingles Markets, Inc., Class A		6,502
137	SpartanNash Co.		3,137
			14,544
Containers & Packaging (0.3%)
40	Ball Corp.		2,046
26	Berry Global Group, Inc.		1,488
478	Packaging Corp. of America		59,286
			62,820
Diversified Consumer Services (0.0%^)
5	Bright Horizons Family Solutions, Inc.(a)		428
12	Grand Canyon Education, Inc.(a)		1,257
			1,685
Diversified Telecommunication Services (0.0%^)
188	Echostar Corp., Class A(a)		2,965
8	Frontier Communications Parent, Inc.(a)		119
			3,084
Electric Utilities (1.3%)
1,108	American Electric Power Co., Inc.		92,097
1,229	Duke Energy Corp.		109,737
1,979	FirstEnergy Corp.		73,995
48	MGE Energy, Inc.		3,444
73	NextEra Energy, Inc.		5,363
93	Otter Tail Corp.		6,902
42	PPL Corp.		1,100
7	Xcel Energy, Inc.		457
			293,095
Electrical Equipment (0.3%)
10	Acuity Brands, Inc.		1,507
33	Atkore, Inc.(a)		3,853
759	Emerson Electric Co.		58,959
25	Encore Wire Corp.		4,092
9	Regal-Rexnord Corp.		1,169
15	Rockwell Automation, Inc.		4,179
			73,759

See notes to schedule of portfolio of investments.

Schedule of Portfolio Investments	Opportunistic Fund
May 31, 2023 (Unaudited)	Continued

Shares or
Principal
Amount	Security Description	Value

Common Stocks, continued:
Electronic Equipment, Instruments & Components (0.3%)
107	Amphenol Corp., Class A	$	8,073
15	CDW Corp.		2,575
1,842	Corning, Inc.		56,752
48	Keysight Technologies, Inc.(a)		7,767
79	Sanmina Corp.(a)		4,190
			79,357
Energy Equipment & Services (0.2%)
1,601	Baker Hughes Co.		43,627
105	Schlumberger NV		4,497
			48,124
Entertainment (0.0%^)
21	The Walt Disney Co.(a)		1,847
Financial Services (0.1%)
10	Berkshire Hathaway, Inc.,Class B(a)		3,211
183	International Money Express, Inc.(a)		4,264
9	Mastercard, Inc., Class A		3,285
165	NMI Holdings, Inc., Class A(a)		4,150
14	Voya Financial, Inc.		949
			15,859
Food Products (0.1%)
66	Cal-Maine Foods, Inc.		3,138
12	Ingredion, Inc.		1,255
6	Kellogg Co.		401
5	Lamb Weston Holdings, Inc.		556
20	Lancaster Colony Corp.		3,932
6	Post Holdings, Inc.(a)		510
7	The J M Smucker Co.		1,026
			10,818
Gas Utilities (0.0%^)
26	Chesapeake Utilities Corp.		3,320
10	National Fuel Gas Co.		509
43	ONE Gas, Inc.		3,481
			7,310
Ground Transportation (0.1%)
48	ArcBest Corp.		4,022
9	Old Dominion Freight Line, Inc.		2,794
216	Uber Technologies, Inc.(a)		8,193
12	Union Pacific Corp.		2,310
			17,319
Health Care Equipment & Supplies (0.5%)
31	Abbott Laboratories		3,162
36	Dexcom, Inc.(a)		4,221
11	Hologic, Inc.(a)		868
3	IDEXX Laboratories, Inc.(a)		1,394
32	Inspire Medical Systems, Inc.(a)		9,360
25	Insulet Corp.(a)		6,856
17	Intuitive Surgical, Inc.(a)		5,233
44	Lantheus Holdings, Inc.(a)		3,810
806	Medtronic PLC.		66,705
14	QuidelOrtho Corp.(a)		1,192
65	STAAR Surgical Co.(a)		3,771
11	Stryker Corp.		3,032
1	Teleflex, Inc.		235
			109,839
Health Care Providers & Services (2.2%)
85	AMN Healthcare Services, Inc.(a)		8,072
1,052	Cardinal Health, Inc.		86,580
2	Chemed Corp.		1,067
4	Elevance Health, Inc.		1,791
121	Fulgent Genetics, Inc.(a)		4,812
1,000	McKesson Corp.		390,840

Shares or
Principal
Amount	Security Description	Value

Common Stocks, continued:
Health Care Providers & Services, continued:
84	National Research Corp.	$	3,772
111	Option Care Health, Inc.(a)		3,058
145	Select Medical Holdings Corp.		3,969
43	The Ensign Group, Inc.		3,810
			507,771
Health Care REITs (0.0%^)
45	Omega Healthcare Investors, Inc.		1,341
Health Care Technology (0.0%^)
129	Computer Programs & System, Inc.(a)		3,078
19	Definitive Healthcare Corp.(a)		185
70	Teladoc Health, Inc.(a)		1,621
9	Veeva Systems, Inc., Class A(a)		1,491
			6,375
Hotels, Restaurants & Leisure (0.4%)
35	Airbnb, Inc., Class A(a)		3,842
3	Chipotle Mexican Grill, Inc.(a)		6,229
2	Darden Restaurants, Inc.		317
9	Domino's Pizza, Inc.		2,609
226	Everi Holdings,Inc.(a)		3,141
4	Expedia Group,Inc.(a)		383
248	McDonald's Corp.		70,707
22	Starbucks Corp.		2,148
3	Vail Resorts, Inc.		730
			90,106
Household Durables (0.0%^)
20	Lennar Corp., Class A		2,142
Household Products (0.3%)
34	Church & Dwight Co., Inc.		3,143
5	The Clorox Co.

Shares or Principal Amount		Security Description	Value

Asset Backed Securities (24.4%)
$	471,218	CDC Mortgage Capital Trust, Series 2002-HE1, Class A, 5.76% (US0001M + 62 bps), 1/25/33, Callable 6/25/23 @ 100*	$	464,098
	277,144	CIT Mortgage Loan Trust, Series 2007-1, Class 1A, 6.49% (US0001M + 135 bps), 10/25/37, Callable 9/25/23 @ 100*(a)		276,096
	2	Citigroup Mortgage Loan Trust, Inc., Series 2005- WF1, Class A5, 5.01%, 11/25/34, Callable 6/25/23 @ 100*(b)		2
	609,307	CLI Funding VIII LLC, Series 2021-1A, Class B, 2.38%, 2/18/46, Callable 6/18/23 @ 100*(a)		518,624
	181	Countrywide Asset-Backed Certificates, Series 2002-S1, Class A5, 6.46%, 5/25/32, Callable 6/25/23 @ 100*(b)(c)		180
	665,030	Driven Brands Funding LLC, Series 2019-2A, Class A2, 3.98%, 10/20/49, Callable 10/20/24 @ 100*(a)		606,057
	806,000	Flexential Issuer, Series 2021-1A, Class A2, 3.25%, 11/27/51, Callable 11/25/25 @ 100*(a)		714,116
	457,984	Fremont Home Loan Trust, Series 2004-3, Class 10A1, 7.01% (US0001M + 188 bps), 11/25/34, Callable 6/25/23 @ 100*		334,631
	1,268,370	Goodgreen Trust, Series 2021-1A, Class A, 2.63%, 4/15/55, Callable 10/15/40 @ 100*(a)		1,068,269
	345,000	Hi-Fi Music Ip Issuer II L.P, Series 2022-1A, Class A2, 3.94%, 2/1/62, Callable 8/1/23 @ 100*(a)		316,504
	11	IMC Home Equity Loan Trust, Series 1998-1, Class A6, 7.02%, 6/20/29(b)(c)		11
	765,375	Jack In The Box Funding LLC, Series 2022-1A, Class A2I, 3.45%, 2/26/52, Callable 2/25/25 @ 100*(a)		678,534
	49,764	NMEF Funding LLC, Series 2021-A, Class A2, 0.81%, 12/15/27, Callable 8/15/24 @ 100*(a)		49,462
	206,579	Nomura Home Equity Loan, Inc. Home Equity Loan Trust, Series 2006-FM1, Class 1A1, 5.60% (US0001M + 46 bps), 11/25/35, Callable 6/25/23 @ 100*		204,870
	286,288	RAAC Trust, Series 2007-SP1, Class M1, 5.99% (US0001M + 86 bps), 3/25/37, Callable 6/25/23 @100*		283,601
	62,301	Residential Asset Mortgage Products, Inc., Series 2002-RS2, Class AI5, 4.91%, 3/25/32, Callable 6/25/23 @ 100*		57,135
	1,131	Saxon Asset Securities Trust, Series 2003-3, Class AF6, 4.28%, 12/25/33, Callable 6/25/23 @ 100*(b)(c)		1,066
	786,667	Sonic Capital LLC, Series 2021-1A, Class A2I, 2.19%, 8/20/51, Callable 8/20/25 @ 100*(a)		632,316
	45,193	Soundview Home Equity Loan Trust, Series 2005-B, Class M2, 6.22%, 5/25/35, Callable 6/25/23 @ 100*(b)(c)		41,410
	201,125	Soundview Home Loan Trust, Series 2005-OPT3, Class M1, 5.84% (US0001M + 71 bps), 11/25/35, Callable 6/25/23 @ 100*		195,528
	98,958	Structured Asset Investment Loan Trust, Series 2003-BC2, Class A1, 5.82% (US0001M + 68 bps), 4/25/33, Callable 6/25/23 @ 100*		99,036
	573,800	Structured Asset Investment Loan Trust, Series 2005-HE3, Class M1, 5.86% (US0001M + 72 bps), 9/25/35, Callable 6/25/23 @ 100*		559,898

Shares or
Principal
Amount		Security Description	Value

Asset Backed Securities, continued:
$	81,211	Structured Asset Securities Corp. Mortgage Pass-Through Certificates, Series 2004-6XS, Class A5A, 6.03%, 3/25/34, Callable 6/25/23 @ 100*(b)(c)	$	80,111
	658,000	Taco Bell Funding LLC, Series 2016-1A, Class A23, 4.97%, 5/25/46, Callable 8/25/23 @ 100*(a)		638,328
	497,193	Textainer Marine Containers VII, Ltd., Series 2020-1A, Class A, 2.73%, 8/21/45, Callable 6/20/23 @ 100*(a)		456,944
	643,538	ZAXBY'S Funding LLC, Series 2021-1A, Class A2, 3.24%, 7/30/51, Callable 7/30/25 @ 100*(a)		537,879
Total Asset Backed Securities (Cost $9,912,690)				8,814,706

Mortgage Backed Securities† (28.4%)
Alt-A - Adjustable Rate Mortgage Backed Securities (0.8%)
	58,224	Bear Stearns Alternative Trust, Series 2006-1, Class 21A2, 3.87%, 2/25/36, Callable 6/25/23 @ 100*(b)		40,431
	8,935	Bear Stearns Alternative Trust, Series 2005-5, Class 26A1, 4.43%, 7/25/35, Callable 6/25/23 @ 100*(b)		6,513
	8,703	Countrywide Alternative Loan Trust, Series 2005- 24, Class 1A1, 5.05% (12MTA + 131 bps), 7/20/35, Callable 6/19/23 @ 100*		7,367
	914	Deutsche Mortgage Securities, Inc., Series 2006- ABR, Class A1B1, 5.24% (US0001M + 10 bps), 10/25/36, Callable 6/25/23 @ 100*		707
	1,374	Deutsche Mortgage Securities, Inc., Series 2003- 4XS, Class A6A, 5.32%, 10/25/44, Callable 6/25/23 @ 100*(b)(c)		1,310
	3,122	Deutsche Mortgage Securities, Inc., Series 2006- AB4, Class A1A, 6.01%, 10/25/36, Callable 6/25/23 @ 100*(b)		2,543
	2,574	First Horizon Alternative Mortgage Securities, Series 2004-AA3, Class A1, 5.11%, 9/25/34, Callable 6/25/23 @ 100*(b)		2,330
	13,290	Master Adjustable Rate Mortgage Trust, Series 2004-13, Class 2A1, 4.58%, 4/21/34, Callable 6/21/23 @ 100*(b)		12,601
	192,537	Nomura Asset Acceptance Corp., Series 2005- AR4, Class 3A1, 4.94%, 8/25/35, Callable 6/25/23 @ 100*(b)		193,052
	23,156	Residential Accredit Loans, Inc., Series 2004- QA4, Class NB21, 4.11%, 9/25/34, Callable 6/25/23 @ 100*(b)		21,327
	13,438	Residential Accredit Loans, Inc., Series 2006- QA1, Class A21, 4.94%, 1/25/36, Callable 6/25/23 @ 100*(b)		10,456
				298,637
Alt-A - Fixed Rate Mortgage Backed Securities (2.0%)
	16,094	Alternative Loan Trust, Series 2006-31CB, Class A16, 6.00%, 11/25/36, Callable 6/25/23 @ 100*		9,931
	10,525	Chaseflex Trust, Series 2005-1, Class 2A4, 5.50%, 2/25/35, Callable 6/25/23 @ 100*		8,510
	14,031	Citigroup Mortgage Alternative Loan Trust, Series 2006-A3, Class 1A5, 6.00%, 7/25/36, Callable 6/25/23 @100*		12,332