Banking Fund SCHEDULE OF INVESTMENTS (Unaudited) March 31, 2021

Shares Value COMMON STOCKS† - 99.4% - 90.9% of America Corp. 9,599 $ 371,385 Citigroup, Inc. 5,062 368,260 JPMorgan Chase & Co. 2,375 361,546 Wells Fargo & Co. 9,168 358,194 U.S. Bancorp 5,400 298,674 Truist Financial Corp. 4,968 289,734 PNC Group, Inc. 1,600 280,656 Bank of Mellon Corp. 4,528 214,129 State Street Corp. 2,123 178,353 First Republic Bank 1,058 176,421 Fifth Third Bancorp 4,463 167,139 SVB Financial Group* 325 160,439 Corp. 1,480 155,563 M&T Bank Corp. 954 144,636 Regions Financial Corp. 6,994 144,496 KeyCorp 7,146 142,777 , Inc. 3,197 141,148 , Inc. 8,262 129,879 520 117,572 ICICI Bank Ltd. ADR* 6,914 110,831 HDFC Bank Ltd. ADR* 1,388 107,834 Comerica, Inc. 1,468 105,314 East West Bancorp, Inc. 1,406 103,763 Toronto-Dominion Bank 1,542 100,554 Western Alliance Bancorporation 1,058 99,918 Royal Bank of Canada 1,081 99,679 First Horizon Corp. 5,856 99,025 Bank of Nova Scotia 1,579 98,766 Zions Bancorp North America 1,772 97,389 , Inc. 1,269 97,218 Bank of Montreal 1,086 96,784 HSBC Holdings plc ADR 3,305 96,308 Popular, Inc. 1,346 94,651 UBS Group AG 5,977 92,823 First Citizens BancShares, Inc. — Class A 110 91,935 Canadian Imperial Bank of Commerce 927 90,725 Deutsche Bank AG* 7,286 87,432 TCF Financial Corp. 1,855 86,183 Prosperity Bancshares, Inc. 1,128 84,476 Cullen/Frost Bankers, Inc. 772 83,963 Synovus Financial Corp. 1,831 83,768 Pinnacle Financial Partners, Inc. 939 83,252 First Financial Bankshares, Inc. 1,770 82,712 Credit Suisse Group AG ADR1 7,186 76,172 , Inc. 1,293 73,804 CIT Group, Inc. 1,432 73,762 South State Corp. 937 73,564 Bank OZK 1,786 72,958 United Bankshares, Inc. 1,883 72,646 Webster Financial Corp. 1,273 70,155 Home BancShares, Inc. 2,547 68,896 PacWest Bancorp 1,772 67,602 UMB Financial Corp. 732 67,586 Corp. 867 65,719 Community Bank System, Inc. 854 65,519 BankUnited, Inc. 1,449 63,684 Umpqua Holdings Corp. 3,611 63,373 Corp. 1,468 61,671 1,170 61,437 First Hawaiian, Inc. 2,210 60,488 Bank of Hawaii Corp. 675 60,406 BancorpSouth Bank 1,825 59,276 Simmons First National Corp. — Class A 1,938 57,500 Associated Banc-Corp. 2,688 57,362 Old National Bancorp 2,965 57,343 Independent Bank Group, Inc. 779 56,275 United Community Banks, Inc. 1,636 55,820 Capital Bancshares, Inc.* 785 55,672 Columbia Banking System, Inc. 1,279 55,112 Fulton Financial Corp. 3,175 54,070 Cadence BanCorp 2,472 51,245 Total Banks 8,255,421 Savings & Loans - 3.3% People's United Financial, Inc. 5,076 90,861 New York Community Bancorp, Inc. 6,418 80,995 Sterling Bancorp 2,897 66,689 Investors Bancorp, Inc. 4,290 63,020 Total Savings & Loans 301,565 Diversified Financial Services - 2.8% Capital One Financial Corp. 1,973 251,025 Insurance - 2.4% Equitable Holdings, Inc. 3,826 124,804 Voya Financial, Inc. 1,455 92,596 Total Insurance 217,400 Total Common Stocks (Cost $6,244,397) 9,025,411

Face Amount REPURCHASE AGREEMENTS††,2 - 0.6% J.P. Morgan Securities LLC issued 03/31/21 at 0.01% due 04/01/21 $ 30,375 30,375 Barclays Capital, Inc. issued 03/31/21 at 0.01% due 04/01/21 13,810 13,810 BofA Securities, Inc. issued 03/31/21 at 0.01% due 04/01/21 12,603 12,603 Total Repurchase Agreements (Cost $56,788) 56,788

Shares SECURITIES LENDING COLLATERAL†,3 - 0.6% Money Market Fund First American Government Obligations Fund — Class Z, 0.03%4 50,423 50,423 Total Securities Lending Collateral (Cost $50,423) 50,423 Total Investments - 100.6% (Cost $6,351,608) $ 9,132,622 Other Assets & Liabilities, net - (0.6)% (50,986) Total Net Assets - 100.0% $ 9,081,636

* 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 March 31, 2021. 2 Repurchase Agreements. 3 Securities lending collateral. 4 Rate indicated is the 7-day yield as of March 31, 2021.

ADR — American Depositary Receipt plc — Public Limited Company