SCHEDULE OF INVESTMENTS December 31, 2016
HEALTH CARE FUND
SHARES VALUE
COMMON STOCKS† - 100.2%
PHARMACEUTICALS - 36.5% Johnson & Johnson 5,175 $ 596,213 Pfizer, Inc. 14,396 467,582 Merck & Company, Inc. 7,184 422,922 AbbVie, Inc. 5,579 349,357 Bristol-Myers Squibb Co. 5,776 337,549 Eli Lilly & Co. 4,369 321,340 Allergan plc* 1,525 320,265 Shire plc ADR 1,449 246,881 Express Scripts Holding Co.* 3,219 221,435 McKesson Corp. 1,352 189,888 Zoetis, Inc. 3,436 183,929 Teva Pharmaceutical Industries Ltd. ADR 4,826 174,942 Cardinal Health, Inc. 2,254 162,220 Jazz Pharmaceuticals plc* 1,481 161,473 Endo International plc* 9,613 158,326 Mylan N.V.* 4,034 153,897 Alkermes plc* 2,762 153,512 AstraZeneca plc ADR 5,538 151,298 Perrigo Company plc 1,770 147,317 Novartis AG ADR 2,003 145,899 Novo Nordisk A/S ADR 3,989 143,046 AmerisourceBergen Corp. — Class A 1,829 143,010 GlaxoSmithKline plc ADR 3,705 142,680 TESARO, Inc.* 720 96,826 VCA, Inc.* 1,210 83,067 Valeant Pharmaceuticals International, Inc.* 5,464 79,337 DexCom, Inc.* 1,245 74,326 Mallinckrodt plc* 1,488 74,132 ACADIA Pharmaceuticals, Inc.*,1 2,518 72,619 PRA Health Sciences, Inc.* 1,140 62,837 Neurocrine Biosciences, Inc.* 1,520 58,824 Horizon Pharma plc* 3,602 58,280 Prestige Brands Holdings, Inc.* 1,110 57,831 Akorn, Inc.* 2,575 56,212 Clovis Oncology, Inc.*,1 1,160 51,527 Owens & Minor, Inc. 1,439 50,782 Ironwood Pharmaceuticals, Inc. — Class A* 3,310 50,610 Nektar Therapeutics* 3,950 48,467 Radius Health, Inc.* 1,180 44,875 Array BioPharma, Inc.* 4,880 42,895 Sarepta Therapeutics, Inc.* 1,560 42,791 Eagle Pharmaceuticals, Inc.* 510 40,463 Pacira Pharmaceuticals, Inc.* 1,234 39,858 Agios Pharmaceuticals, Inc.* 926 38,642 Ophthotech Corp.* 7,760 37,481 Depomed, Inc.* 2,063 37,175 Impax Laboratories, Inc.* 2,559 33,907 Amicus Therapeutics, Inc.* 5,540 27,534 Total Pharmaceuticals 6,856,279
HEALTHCARE-PRODUCTS - 23.4% Abbott Laboratories 6,625 254,466 Thermo Fisher Scientific, Inc. 1,794 253,133 Danaher Corp. 3,240 252,202 Stryker Corp. 1,944 232,911 Medtronic plc 3,085 219,744 Becton Dickinson and Co. 1,215 201,143 Boston Scientific Corp.* 8,570 185,368 Intuitive Surgical, Inc.* 269 170,591 Baxter International, Inc. 3,777 167,472 St. Jude Medical, Inc. 2,067 165,753 Edwards Lifesciences Corp.* 1,668 156,292 Zimmer Biomet Holdings, Inc. 1,510 155,832 CR Bard, Inc. 623 139,963 DENTSPLY SIRONA, Inc. 2,144 123,773 Henry Schein, Inc.* 782 118,637 Hologic, Inc.* 2,807 112,617 IDEXX Laboratories, Inc.* 940 110,234 ResMed, Inc. 1,638 101,638 Varian Medical Systems, Inc.* 1,101 98,848 Cooper Companies, Inc. 565 98,835 Align Technology, Inc.* 989 95,073 Teleflex, Inc. 577 92,984 West Pharmaceutical Services, Inc. 1,013 85,933 ABIOMED, Inc.* 660 74,369 Patterson Companies, Inc.1 1,700 69,751 Bio-Techne Corp. 660 67,868 Hill-Rom Holdings, Inc. 1,190 66,807 OPKO Health, Inc.*,1 7,183 66,802 NuVasive, Inc.* 952 64,127 Bruker Corp. 3,004 63,625 Masimo Corp.* 940 63,356 Integra LifeSciences Holdings Corp.* 720 61,769 ICU Medical, Inc.* 370 54,520 Insulet Corp.* 1,360 51,245 Nevro Corp.* 670 48,682 Zeltiq Aesthetics, Inc.* 1,070 46,566 Total Healthcare-Products 4,392,929
BIOTECHNOLOGY - 19.2% Amgen, Inc. 2,396 350,318 Celgene Corp.* 2,821 326,530 Gilead Sciences, Inc. 4,480 320,813 Biogen, Inc.* 949 269,117 Regeneron Pharmaceuticals, Inc.* 559 205,203 Alexion Pharmaceuticals, Inc.* 1,667 203,957 Incyte Corp.* 1,497 150,104 Illumina, Inc.* 1,169 149,679 Vertex Pharmaceuticals, Inc.* 1,959 144,320 BioMarin Pharmaceutical, Inc.* 1,580 130,887 Seattle Genetics, Inc.* 1,700 89,709 Ionis Pharmaceuticals, Inc.* 1,770 84,659 United Therapeutics Corp.* 590 84,624 Bio-Rad Laboratories, Inc. — Class A* 440 80,203 Exelixis, Inc.* 4,680 69,779 Charles River Laboratories International, Inc.* 850 64,762 SCHEDULE OF INVESTMENTS (concluded) December 31, 2016
HEALTH CARE FUND
SHARES VALUE
Ultragenyx Pharmaceutical, Inc.* 850 $ 59,764 Intercept Pharmaceuticals, Inc.*,1 512 55,629 Alnylam Pharmaceuticals, Inc.* 1,477 55,299 Intrexon Corp.*,1 2,270 55,161 ARIAD Pharmaceuticals, Inc.* 4,363 54,276 Bluebird Bio, Inc.* 850 52,445 Juno Therapeutics, Inc.*,1 2,728 51,423 Medicines Co.* 1,446 49,077 Sage Therapeutics, Inc.* 960 49,018 Kite Pharma, Inc.*,1 1,092 48,965 Ligand Pharmaceuticals, Inc. — Class B* 470 47,757 Spark Therapeutics, Inc.* 880 43,912 Five Prime Therapeutics, Inc.* 840 42,092 Exact Sciences Corp.*,1 3,142 41,977 Halozyme Therapeutics, Inc.* 3,860 38,137 AMAG Pharmaceuticals, Inc.*,1 1,060 36,888 Myriad Genetics, Inc.* 2,078 34,640 Alder Biopharmaceuticals, Inc.* 1,630 33,904 Acorda Therapeutics, Inc.* 1,622 30,494 Total Biotechnology 3,605,522
HEALTHCARE-SERVICES - 15.4% UnitedHealth Group, Inc. 2,666 426,667 Aetna, Inc. 1,840 228,178 Anthem, Inc. 1,489 214,074 Cigna Corp. 1,528 203,820 Humana, Inc. 947 193,216 HCA Holdings, Inc.* 2,485 183,939 Quintiles IMS Holdings, Inc.* 1,920 146,016 Laboratory Corporation of America Holdings* 968 124,271 DaVita, Inc.* 1,914 122,879 Quest Diagnostics, Inc. 1,334 122,595 Universal Health Services, Inc. — Class B 1,096 116,592 Centene Corp.* 1,898 107,256 Envision Healthcare Corp.* 1,472 93,163 MEDNAX, Inc.* 1,320 87,991 WellCare Health Plans, Inc.* 630 86,360 HealthSouth Corp. 1,620 66,809 Acadia Healthcare Company, Inc.* 1,916 63,420 Molina Healthcare, Inc.* 1,110 60,229 Brookdale Senior Living, Inc. — Class A* 4,470 55,517 LifePoint Health, Inc.* 915 51,972 Magellan Health, Inc.* 600 45,150 Tenet Healthcare Corp.* 2,884 42,799 Air Methods Corp.* 1,170 37,265 Total Healthcare-Services 2,880,178
ELECTRONICS - 2.3% Agilent Technologies, Inc. 2,892 131,760 Mettler-Toledo International, Inc.*,1 274 114,685 Waters Corp.* 823 110,603 PerkinElmer, Inc. 1,560 81,354 Total Electronics 438,402
SOFTWARE - 2.1% Cerner Corp.* 2,874 136,141 Veeva Systems, Inc. — Class A* 2,028 82,540 athenahealth, Inc.* 700 73,619 Medidata Solutions, Inc.* 1,195 59,356 Allscripts Healthcare Solutions, Inc.* 4,628 47,252 Total Software 398,908
COMMERCIAL SERVICES - 1.3% PAREXEL International Corp.* 983 64,603 Team Health Holdings, Inc.* 1,440 62,568 Incorporated Research Holdings, Inc. — Class A* 1,095 57,597 HealthEquity, Inc.* 1,300 52,676 Total Commercial Services 237,444
Total Common Stocks (Cost $10,555,058) 18,809,662
RIGHTS††† - 0.0% Dyax Corp. Expires 01/25/17* 3,790 — Total Rights (Cost $—) —
FACE AMOUNT
REPURCHASE AGREEMENT††,2 - 0.8% Royal Bank of Canada issued 12/30/16 at 0.24% due 01/03/17 $ 154,351 154,351 Total Repurchase Agreement (Cost $154,351) 154,351
SHARES
SECURITIES LENDING COLLATERAL†,3 - 2.7% First American Government Obligations Fund - Class Z, 0.42%4 509,916 509,916 Total Securities Lending Collateral (Cost $509,916) 509,916
Total Investments - 103.7% (Cost $11,219,325) $ 19,473,929 Other Assets & Liabilities, net - (3.7)% (695,996) Total Net Assets - 100.0% $ 18,777,933
* Non-income producing security. † Value determined based on Level 1 inputs. †† Value determined based on Level 2 inputs. ††† Value determined based on Level 3 inputs. 1 All or portion of this security is on loan at December 31, 2016. 2 Repurchase Agreement. 3 Securities lending collateral. 4 Rate indicated is the 7 day yield as of December 31, 2016. ADR — American Depositary Receipt plc — Public Limited Company