SCHEDULE OF INVESTMENTS December 31, 2020 S&P MIDCAP 400® PURE VALUE FUND SHARES VALUE SHARES VALUE COMMON STOCKS† - 99.4% AutoNation, Inc.* 3,767 $ 262,899 Dana, Inc. 12,214 238,417 FINANCIAL - 40.1% TRI Pointe Group, Inc.* 13,128 226,458 Genworth Financial, Inc. — Class A* 86,002 $ 325,088 Univar Solutions, Inc.* 11,570 219,946 Reinsurance Group of Foot Locker, Inc. 4,894 197,913 America, Inc. — Class A 2,635 305,396 KB Home 5,430 182,014 CNO Financial Group, Inc. 10,932 243,018 Dick’s Sporting Goods, Inc. 2,917 163,965 Jefferies Financial Group, Inc. 9,527 234,364 Lear Corp. 888 141,219 Old Republic International Corp. 11,456 225,798 BJ’s Wholesale Club Holdings, Inc.* 3,654 136,221 Navient Corp. 22,112 217,140 Thor Industries, Inc. 1,280 119,027 Mercury General Corp. 4,041 210,981 Goodyear Tire & Rubber Co. 10,213 111,424 Associated Banc-Corp. 11,004 187,618 Adient plc* 2,721 94,609 First American Financial Corp. 3,520 181,738 KAR Auction Services, Inc. 4,357 81,084 FNB Corp. 17,804 169,138 Urban Outfitters, Inc.* 3,022 77,363 Sterling Bancorp 8,877 159,608 HNI Corp. 1,780 61,339 Jones Lang LaSalle, Inc.* 1,070 158,756 New York Community Bancorp, Inc. 15,020 158,461 Total Consumer, Cyclical 3,219,433 Wintrust Financial Corp. 2,570 157,001 INDUSTRIAL - 15.9% Alleghany Corp. 260 156,959 Avnet, Inc. 10,486 368,163 Kemper Corp. 2,011 154,505 Arrow Electronics, Inc.* 2,773 269,813 Fulton Financial Corp. 11,500 146,280 SYNNEX Corp. 2,887 235,117 Valley National Bancorp 14,583 142,184 Ryder System, Inc. 3,330 205,661 Trustmark Corp. 5,060 138,189 Jabil, Inc. 4,220 179,477 Washington Federal, Inc. 5,330 137,194 O-I Glass, Inc. 12,730 151,487 Hanover Insurance Group, Inc. 1,170 136,796 Greif, Inc. — Class A 3,132 146,828 First Horizon National Corp. 10,536 134,439 EMCOR Group, Inc. 1,440 131,703 MGIC Investment Corp. 10,590 132,904 MasTec, Inc.* 1,840 125,451 United Bankshares, Inc. 3,990 129,276 MDU Resources Group, Inc. 4,390 115,633 1 Macerich Co. REIT 12,100 129,107 Dycom Industries, Inc.* 1,387 104,746 Bank OZK 4,051 126,675 Oshkosh Corp. 1,160 99,841 Pinnacle Financial Partners, Inc. 1,959 126,160 AECOM* 1,953 97,220 Hancock Whitney Corp. 3,641 123,867 KBR, Inc. 2,550 78,872 Cathay General Bancorp 3,760 121,034 Trinity Industries, Inc. 2,944 77,692 TCF Financial Corp. 3,125 115,687 Kirby Corp.* 1,470 76,190 International Bancshares Corp. 3,070 114,941 Colfax Corp.* 1,880 71,891 BancorpSouth Bank 4,130 113,327 GATX Corp. 740 61,553 Prosperity Bancshares, Inc. 1,560 108,202 Total Industrial 2,597,338 American Financial Group, Inc. 1,230 107,773 Synovus Financial Corp. 3,210 103,908 CONSUMER, NON-CYCLICAL - 10.3% Service Properties Trust REIT 8,730 100,308 Graham Holdings Co. — Class B 560 298,693 Alliance Data Systems Corp. 1,320 97,812 Pilgrim’s Pride Corp.* 10,780 211,396 Webster Financial Corp. 2,060 86,829 ManpowerGroup, Inc. 2,319 209,127 Pebblebrook Hotel Trust REIT 4,356 81,893 Sprouts Farmers Market, Inc.* 9,953 200,055 East West Bancorp, Inc. 1,510 76,572 TreeHouse Foods, Inc.* 4,196 178,288 Selective Insurance Group, Inc. 1,120 75,018 Adtalem Global Education, Inc.* 4,071 138,211 UMB Financial Corp. 1,070 73,819 Tenet Healthcare Corp.* 2,988 119,311 Sabra Health Care REIT, Inc. 4,190 72,780 Edgewell Personal Care Co. 3,170 109,619 Texas Capital Bancshares, Inc.* 1,221 72,650 Ingredion, Inc. 1,160 91,257 Janus Henderson Group plc 2,110 68,596 Prestige Consumer Healthcare, Inc.* 2,050 71,483 Cousins Properties, Inc. REIT 2,040 68,340 Strategic Education, Inc. 700 66,731 CIT Group, Inc. 1,850 66,415 Total Consumer, Non-cyclical 1,694,171 Total Financial 6,574,544 BASIC MATERIALS - 6.0% CONSUMER, CYCLICAL - 19.7% Domtar Corp. 10,155 321,406 World Fuel Services Corp. 11,266 351,048 Commercial Metals Co. 13,319 273,572 Taylor Morrison Home Corp. — Class A* 10,973 281,457 Reliance Steel & Aluminum Co. 1,000 119,750 Kohl’s Corp. 6,710 273,030 Steel Dynamics, Inc. 2,680 98,812 SCHEDULE OF INVESTMENTS (concluded) December 31, 2020 S&P MIDCAP 400® PURE VALUE FUND FACE SHARES VALUE AMOUNT VALUE United States Steel Corp. 5,217 $ 87,489 REPURCHASE AGREEMENTS††,2 - 0.7% Minerals Technologies, Inc. 1,303 80,942 J.P. Morgan Securities LLC Total Basic Materials 981,971 issued 12/31/20 at 0.06% due 01/04/21 $ 62,737 $ 62,737 COMMUNICATIONS - 3.0% Barclays Capital, Inc. Telephone & Data Systems, Inc. 19,565 363,322 issued 12/31/20 at 0.06% ViaSat, Inc.* 4,170 136,151 due 01/04/21 26,137 26,137 Total Communications 499,473 BofA Securities, Inc. issued 12/31/20 at 0.06% TECHNOLOGY - 1.7% due 01/04/21 24,201 24,201 NCR Corp.* 3,970 149,153 NetScout Systems, Inc.* 4,784 131,177 Total Repurchase Agreements (Cost $113,075) 113,075 Total Technology 280,330 UTILITIES - 1.5% SHARES Southwest Gas Holdings, Inc. 1,640 99,630 UGI Corp. 2,140 74,814 SECURITIES LENDING COLLATERAL†,3 - 0.6% ALLETE, Inc. 1,090 67,515 Money Market Fund Total Utilities 241,959 First American Government Obligations Fund — Class Z, 0.03%4 94,481 94,481 ENERGY - 1.2% Total Securities Lending Collateral Murphy USA, Inc. 1,480 193,688 (Cost $94,481) 94,481 Total Common Stocks Total Investments - 100.7% (Cost $13,914,802) 16,282,907 (Cost $14,122,358) $ 16,490,463 Other Assets & Liabilities, net - (0.7)% (122,286) Total Net Assets - 100.0% $ 16,368,177 * Non-income producing security. † Value determined based on Level 1 inputs. †† Value determined based on Level 2 inputs. 1 All or a portion of this security is on loan at December 31, 2020. 2 Repurchase Agreements. 3 Securities lending collateral. 4 Rate indicated is the 7-day yield as of December 31, 2020. plc — Public Limited Company REIT — Real Estate Investment Trust.