SCHEDULE OF INVESTMENTS December 31, 2020 S&P 500® PURE GROWTH FUND

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COMMON STOCKS† - 99.9% , Inc. — Class A* 640 $ 423,392 Arista Networks, Inc.* 1,290 374,835 TECHNOLOGY - 37.6% Twitter, Inc.* 6,750 365,513 ServiceNow, Inc.* 1,520 $ 836,653 Alphabet, Inc. — Class A* 148 259,391 Teradyne, Inc. 6,640 796,070 Alphabet, Inc. — Class C* 140 245,263 Corp. 1,440 751,968 , Inc.* 2,314 706,557 Total Communications 5,085,473 , Inc.* 7,117 652,700 CONSUMER, CYCLICAL - 11.0% Paycom Software, Inc.* 1,439 650,788 Tesla, Inc.* 1,360 959,711 Adobe, Inc.* 1,300 650,156 Pool Corp. 1,520 566,200 Apple, Inc. 4,820 639,566 Domino’s Pizza, Inc. 1,394 534,543 Take-Two Interactive Software, Inc.* 2,863 594,903 Tractor Supply Co. 3,730 524,363 KLA Corp. 2,209 571,932 Dollar General Corp. 2,220 466,866 salesforce.com, Inc.* 2,521 560,998 Chipotle Mexican Grill, Inc. — Class A* 326 452,068 , Inc.* 4,069 555,134 , Inc.* 3,072 390,912 , Inc. 3,550 540,807 Total Consumer, Cyclical 3,894,663 Fortinet, Inc.* 3,604 535,302 MSCI, Inc. — Class A 1,197 534,496 INDUSTRIAL - 3.3% , Inc.* 1,957 507,333 PerkinElmer, Inc. 2,930 420,455 Corp. 1,070 505,329 Old Dominion Freight Line, Inc. 1,986 387,627 Corp. 2,110 469,306 Mettler-Toledo International, Inc.* 310 353,301 Qorvo, Inc.* 2,452 407,694 Total Industrial 1,161,383 , Inc. 1,046 397,323 , Inc.* 1,044 379,807 BASIC MATERIALS - 2.8% , Inc. 4,110 354,693 Albemarle Corp. 3,480 513,370 , Inc. 2,430 344,501 FMC Corp. 3,955 454,548 Tyler Technologies, Inc.* 738 322,152 Total Basic Materials 967,918 Total Technology 13,266,168 FINANCIAL - 2.0% CONSUMER, NON-CYCLICAL - 28.8% SVB Financial Group* 1,840 713,607 PayPal Holdings, Inc.* 3,867 905,651 Total Common Stocks , Inc.* 1,528 816,532 (Cost $25,862,133) 35,247,297 DaVita, Inc.* 5,620 659,788 , Inc.* 1,310 654,830 Face , Inc.* 1,675 619,281 Amount West Pharmaceutical Services, Inc. 2,080 589,285 Bio-Rad Laboratories, Inc. — Class A* 990 577,111 ††,1 ABIOMED, Inc.* 1,700 551,140 REPURCHASE AGREEMENTS - 0.9% Catalent, Inc.* 5,270 548,449 J.P. Morgan Securities LLC Regeneron Pharmaceuticals, Inc.* 1,110 536,252 issued 12/31/20 at 0.06% United Rentals, Inc.* 2,269 526,204 due 01/04/21 $ 176,524 176,524 MarketAxess Holdings, Inc. 852 486,117 Barclays Capital, Inc. , Inc.* 1,847 436,520 issued 12/31/20 at 0.06% Thermo Fisher Scientific, Inc. 934 435,038 due 01/04/21 73,542 73,542 Rollins, Inc. 10,830 423,128 BofA Securities, Inc. Corp.* 4,460 412,461 issued 12/31/20 at 0.06% ResMed, Inc. 1,730 367,729 due 01/04/21 68,094 68,094 , Inc. — Class A 1,570 325,916 Total Repurchase Agreements S&P Global, Inc. 872 286,653 (Cost $318,160) 318,160 Total Consumer, Non-cyclical 10,158,085 Total Investments - 100.8% COMMUNICATIONS - 14.4% (Cost $26,180,293) $ 35,565,457 Etsy, Inc.* 5,240 932,248 Other Assets & Liabilities, net - (0.8)% (273,401) .com, Inc.* 240 781,663 Total Net Assets - 100.0% $ 35,292,056 , Inc.* 1,308 707,275 Facebook, Inc. — Class A* 1,981 541,130 eBay, Inc. 9,050 454,763 SCHEDULE OF INVESTMENTS (concluded) December 31, 2020 S&P 500® PURE GROWTH FUND

* Non-income producing security. † Value determined based on Level 1 inputs. †† Value determined based on Level 2 inputs. 1 Repurchase Agreements.