Series Y (StylePlus—Large Growth Series) SCHEDULE OF INVESTMENTS (Unaudited) March 31, 2021

Shares Value COMMON STOCKS† - 16.7% Technology - 5.1% Apple, Inc. 7,274 $ 888,519 Corp. 3,281 773,562 Corp. 188 100,379 Broadcom, Inc. 216 100,151 Oracle Corp. 1,408 98,799 , Inc. 711 94,271 Technology Solutions Corp. — Class A 1,145 89,448 Qorvo, Inc.* 449 82,032 Corp. 1,047 75,258 KLA Corp. 158 52,203 Adobe, Inc.* 106 50,389 , Inc.* 579 45,452 , Inc. 337 45,023 salesforce.com, Inc.* 146 30,933 Total Technology 2,526,419 Consumer, Non-cyclical - 4.8% Procter & Gamble Co. 1,157 156,692 Johnson & Johnson 930 152,845 AbbVie, Inc. 1,263 136,682 UnitedHealth Group, Inc. 348 129,480 Merck & Company, Inc. 1,501 115,712 , Inc. 437 108,730 Bristol-Myers Squibb Co. 1,701 107,384 PayPal Holdings, Inc.* 418 101,507 Regeneron Pharmaceuticals, Inc.* 194 91,789 Thermo Fisher Scientific, Inc. 198 90,363 Colgate-Palmolive Co. 1,136 89,551 United Rentals, Inc.* 269 88,584 Humana, Inc. 203 85,108 Kimberly-Clark Corp. 585 81,344 Eli Lilly & Co. 426 79,585 Hologic, Inc.* 1,055 78,471 Incyte Corp.* 953 77,451 , Inc.* 346 74,352 , Inc.* 263 73,574 DaVita, Inc.* 679 73,176 Coca-Cola Co. 1,165 61,407 Hershey Co. 337 53,300 Quanta Services, Inc. 524 46,102 Abbott Laboratories 361 43,262 McKesson Corp. 216 42,129 S&P Global, Inc. 107 37,757 Clorox Co. 154 29,704 FleetCor Technologies, Inc.* 103 27,669 Cardinal Health, Inc. 417 25,333 Total Consumer, Non-cyclical 2,359,043 Communications - 3.9% .com, Inc.* 187 578,593 Alphabet, Inc. — Class C* 264 546,118 Facebook, Inc. — Class A* 1,145 337,237 , Inc. — Class A* 180 111,064 eBay, Inc. 1,166 71,406 Motorola Solutions, Inc. 351 66,005 Corp. — Class A 1,067 57,735 , Inc.* 105 54,774 F5 Networks, Inc.* 238 49,652 Corning, Inc. 827 35,983 Total Communications 1,908,567 Consumer, Cyclical - 1.4% Tesla, Inc.* 243 162,307 Lowe's Companies, Inc. 646 122,856 AutoZone, Inc.* 63 88,471 PulteGroup, Inc. 1,651 86,578 Cummins, Inc. 279 72,292 Best Buy Company, Inc. 562 64,523 Home Depot, Inc. 145 44,261 Target Corp. 149 29,513 Total Consumer, Cyclical 670,801 Industrial - 1.3% Union Pacific Corp. 467 102,931 Lockheed Martin Corp. 259 95,701 Parker-Hannifin Corp. 291 91,790 CSX Corp. 933 89,960 United Parcel Service, Inc. — Class B 403 68,506 Masco Corp. 1,096 65,650 Norfolk Southern Corp. 171 45,917 TE Connectivity Ltd. 329 42,477 Waters Corp.* 126 35,806 Total Industrial 638,738 Financial - 0.2% Visa, Inc. — Class A 289 61,190 Mastercard, Inc. — Class A 124 44,150 Berkshire Hathaway, Inc. — Class B* 89 22,737 Total Financial 128,077 Total Common Stocks (Cost $6,600,591) 8,231,645

MUTUAL FUNDS† - 77.9% Guggenheim Variable Insurance Strategy Fund III1 464,970 11,652,161 Guggenheim Strategy Fund III1 421,182 10,588,519 Guggenheim Ultra Short Duration Fund — Institutional Class1 906,222 9,025,969 Guggenheim Strategy Fund II1 286,671 7,161,033 Total Mutual Funds (Cost $38,250,120) 38,427,682

MONEY MARKET FUND† - 4.7% Dreyfus Treasury Securities Cash Management Fund — Institutional Shares, 0.01%2 2,304,278 2,304,278 Total Money Market Fund (Cost $2,304,278) 2,304,278 Total Investments - 99.3% (Cost $47,154,989) $ 48,963,605 Other Assets & Liabilities, net - 0.7% 370,300 Total Net Assets - 100.0% $ 49,333,905

Series Y (StylePlus—Large Growth Series) SCHEDULE OF INVESTMENTS (Unaudited) March 31, 2021

Total Return Swap Agreements Value and Unrealized Counterparty Index Financing Rate Pay Payment Frequency Maturity Date Units Notional Amount Appreciation OTC Equity Index Swap Agreements†† Russell 1000 Growth 0.42% (3 Month USD Wells Fargo Bank, N.A. Index LIBOR + 0.18%) At Maturity 04/07/21 16,764 $ 41,002,799 $ 4,701,883

* Non-income producing security. † Value determined based on Level 1 inputs. †† Value determined based on Level 2 inputs. 1 Affiliated issuer. 2 Rate indicated is the 7-day yield as of March 31, 2021.

LIBOR — London Interbank Offered Rate