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Technology Fund SCHEDULE OF INVESTMENTS (Unaudited) March 29, 2018

Shares Value COMMON STOCKS† - 99.6% Software - 24.1% Corp. 8,408 $ 767,398 Oracle Corp. 8,320 380,640 Adobe Systems, Inc.* 1,410 304,673 salesforce.com, Inc.* 2,261 262,954 VMware, Inc. — Class A* 1,688 204,704 Activision Blizzard, Inc. 2,936 198,063 Intuit, Inc. 1,135 196,752 Electronic Arts, Inc.* 1,453 176,162 Fidelity National Information Services, Inc. 1,707 164,384 Fiserv, Inc.* 2,224 158,593 ServiceNow, Inc.* 950 157,178 Red Hat, Inc.* 1,014 151,603 Autodesk, Inc.* 1,187 149,063 Workday, Inc. — Class A* 1,160 147,448 NetEase, Inc. ADR 481 134,868 Paychex, Inc. 2,185 134,574 First Data Corp. — Class A* 7,250 116,000 Momo, Inc. ADR* 3,100 115,878 Broadridge Financial Solutions, Inc. 980 107,496 Splunk, Inc.* 1,090 107,245 CA, Inc. 3,151 106,819 Citrix Systems, Inc.* 1,134 105,235 ANSYS, Inc.* 660 103,415 , Inc.* 1,220 101,553 SS&C Technologies Holdings, Inc. 1,880 100,843 Akamai Technologies, Inc.* 1,407 99,869 , Inc.* 2,511 92,330 Take-Two Interactive Software, Inc.* 942 92,109 Jack Henry & Associates, Inc. 749 90,592 PTC, Inc.* 1,140 88,931 CDK Global, Inc. 1,289 81,645 Ultimate Software Group, Inc.* 327 79,690 Tableau Software, Inc. — Class A* 920 74,354 Aspen Technology, Inc.* 880 69,423 Nuance Communications, Inc.* 3,844 60,543 RealPage, Inc.* 1,170 60,255 j2 Global, Inc. 725 57,217 Twilio, Inc. — Class A* 1,450 55,361 CommVault Systems, Inc.* 855 48,906 Manhattan Associates, Inc.* 1,155 48,371 Cornerstone OnDemand, Inc.* 1,060 41,457 Total Software 5,794,594 - 19.4% Corp. 8,899 463,460 Corp. 1,473 341,132 , Inc. 2,796 290,476 Broadcom Ltd. 1,226 288,907 , Inc. 4,558 252,559 , Inc.* 4,336 226,079 , Inc. 3,890 216,323 , Inc. 1,865 169,958 Corp. 810 164,560 Taiwan Manufacturing Company Ltd. ADR 3,404 148,959 NXP Semiconductor N.V.* 1,183 138,411 , Inc. 1,454 132,837 , Inc. 1,723 124,470 Maxim Integrated Products, Inc. 1,980 119,236 Skyworks Solutions, Inc. 1,189 119,209 KLA-Tencor Corp. 1,080 117,731 Marvell Technology Group Ltd. 5,485 115,185 ASML Holding N.V. — Class G 570 113,179 IPG Photonics Corp.* 445 103,854 ON Semiconductor Corp.* 3,766 92,116 , Inc.*,1 8,566 86,088 Teradyne, Inc. 1,869 85,432 Microsemi Corp.* 1,254 81,159 Qorvo, Inc.* 1,152 81,158 MKS Instruments, Inc. 631 72,975 Corp. 4,138 70,181 Cavium, Inc.* 830 65,885 Entegris, Inc. 1,850 64,380 Monolithic Power Systems, Inc. 552 63,905 Integrated Device Technology, Inc.* 1,888 57,697 Silicon Laboratories, Inc.* 620 55,738 Cirrus Logic, Inc.* 1,116 45,343 , Inc.* 799 36,538 Ambarella, Inc.*,1 743 36,400 MACOM Technology Solutions Holdings, Inc.* 1,565 25,979 Total Semiconductors 4,667,499 – 18.0% Alphabet, Inc. — Class A* 738 765,409 Facebook, Inc. — Class A* 3,746 598,573 Alibaba Group Holding Ltd. ADR* 2,600 477,204 eBay, Inc.* 4,522 181,965 Baidu, Inc. ADR* 748 166,946 Twitter, Inc.* 4,342 125,962 Snap, Inc. — Class A* 7,800 123,786 Palo Alto Networks, Inc.* 667 121,074 Symantec Corp. 4,447 114,955 MercadoLibre, Inc. 306 109,055 IAC/InterActiveCorp* 680 106,338 Weibo Corp. ADR* 880 105,195 Match Group, Inc.*,1 2,330 103,545 YY, Inc. ADR* 970 102,044 VeriSign, Inc.* 852 101,013 Shopify, Inc. — Class A* 785 97,803 SINA Corp.* 929 96,867 CDW Corp. 1,350 94,919 Zillow Group, Inc. — Class C* 1,754 94,365 GoDaddy, Inc. — Class A* 1,530 93,973 F5 Networks, Inc.* 611 88,357 GrubHub, Inc.* 850 86,250 Proofpoint, Inc.* 620 70,463 Stamps.com, Inc.* 283 56,897 Etsy, Inc.* 1,960 54,998 Yelp, Inc. — Class A* 1,263 52,730 FireEye, Inc.* 3,071 51,992 Trade Desk, Inc. — Class A* 800 39,696 Pandora Media, Inc.*,1 6,735 33,877 Total Internet 4,316,251 Technology Fund SCHEDULE OF INVESTMENTS (Unaudited) March 29, 2018

Shares Value COMMON STOCKS† - 99.6% (continued) Computers - 14.2% Apple, Inc. 4,996 $ 838,229 International Business Machines Corp. 2,262 347,059 Cognizant Technology Solutions Corp. — Class A 2,483 199,881 Accenture plc — Class A 1,242 190,647 HP, Inc. 7,676 168,258 DXC Technology Co. 1,544 155,218 Corp. 1,625 149,939 Hewlett Packard Enterprise Co. 8,478 148,704 plc 2,045 119,673 NetApp, Inc. 1,909 117,766 Check Point Software Technologies Ltd.* 1,154 114,638 Infosys Ltd. ADR1 6,313 112,687 Leidos Holdings, Inc. 1,389 90,841 Amdocs Ltd. 1,360 90,739 Fortinet, Inc.* 1,650 88,407 Nutanix, Inc. — Class A* 1,700 83,487 CSRA, Inc. 1,890 77,925 DST Systems, Inc. 800 66,920 Teradata Corp.* 1,592 63,155 Lumentum Holdings, Inc.* 901 57,484 NCR Corp.* 1,722 54,277 NetScout Systems, Inc.* 1,682 44,321 for Imaging, Inc.* 1,200 32,796 Total Computers 3,413,051 Commercial Services - 6.3% PayPal Holdings, Inc.* 3,631 275,484 Automatic Data Processing, Inc. 1,823 206,874 Worldpay, Inc. — Class A* 1,820 149,677 Square, Inc. — Class A* 2,590 127,428 FleetCor Technologies, Inc.* 626 126,765 Global Payments, Inc. 1,103 123,006 Total System Services, Inc. 1,330 114,726 Gartner, Inc.* 819 96,331 Western Union Co. 4,490 86,343 WEX, Inc.* 490 76,744 Sabre Corp. 3,266 70,056 Euronet Worldwide, Inc.* 730 57,611 Total Commercial Services 1,511,045 Electronics - 5.6% Amphenol Corp. — Class A 1,712 147,454 Corning, Inc. 5,042 140,571 TE Connectivity Ltd. 1,360 135,864 Keysight Technologies, Inc.* 1,750 91,682 Trimble, Inc.* 2,366 84,892 Ltd.* 4,969 81,144 FLIR Systems, Inc. 1,540 77,015 Arrow Electronics, Inc.* 981 75,557 National Instruments Corp. 1,480 74,844 , Inc. 2,344 67,343 Avnet, Inc. 1,550 64,728 Coherent, Inc.* 320 59,968 Tech Data Corp.* 620 52,781 II-VI, Inc.* 1,155 47,239 , Inc. 2,530 47,058 Sanmina Corp.* 1,481 38,728 KEMET Corp.* 1,600 29,008 Applied Optoelectronics, Inc.*,1 778 19,497 Total Electronics 1,335,373 Telecommunications - 5.4% , Inc. 9,699 415,990 Motorola Solutions, Inc. 1,155 121,622 Arista Networks, Inc.* 472 120,502 Juniper Networks, Inc. 3,396 82,625 CommScope Holding Company, Inc.* 2,027 81,019 LogMeIn, Inc. 611 70,601 Ubiquiti Networks, Inc.*,1 994 68,387 ARRIS International plc* 2,433 64,645 Ciena Corp.* 2,169 56,177 ViaSat, Inc.*,1 849 55,796 Viavi Solutions, Inc.* 4,341 42,195 Oclaro, Inc.* 4,370 41,777 NETGEAR, Inc.* 687 39,296 Finisar Corp.* 2,299 36,347 Total Telecommunications 1,296,979 Diversified Financial Services - 4.4% Visa, Inc. — Class A 3,833 458,503 Mastercard, Inc. — Class A 2,252 394,460 Alliance Data Systems Corp. 453 96,426 Ellie Mae, Inc.* 570 52,406 Blackhawk Network Holdings, Inc.* 1,065 47,606 Total Diversified Financial Services 1,049,401 Electrical Components & Equipment - 0.7% Littelfuse, Inc. 320 66,618 Universal Display Corp. 560 56,560 Advanced Energy Industries, Inc.* 708 45,241 Total Electrical Components & Equipment 168,419 Machinery-Diversified - 0.7% Cognex Corp. 1,660 86,304 Zebra Technologies Corp. — Class A* 585 81,426 Total Machinery-Diversified 167,730 Energy-Alternate Sources - 0.3% First Solar, Inc.* 1,180 83,756 Office & Business Equipment - 0.3% Corp. 2,745 79,001 Building Materials - 0.2% Cree, Inc.* 1,448 58,369 Total Common Stocks (Cost $13,702,913) 23,941,468

Face Amount REPURCHASE AGREEMENTS††,2 - 0.7% JPMorgan Chase & Co. issued 03/29/18 at 1.80% due 04/02/18 $ 120,850 120,850 Bank of America Merrill Lynch issued 03/29/18 at 1.78% due 04/02/18 39,545 39,545 Total Repurchase Agreements (Cost $160,395) 160,395 Technology Fund SCHEDULE OF INVESTMENTS (Unaudited) March 29, 2018

Shares Value SECURITIES LENDING COLLATERAL†,3 - 1.5% Money Market Fund First American Government Obligations Fund — Class Z, 1.49%4 373,417 $ 373,417 Total Securities Lending Collateral (Cost $373,417) 373,417 Total Investments - 101.8% (Cost $14,236,725) $ 24,475,280 Other Assets & Liabilities, net - (1.8)% (433,792) Total Net Assets - 100.0% $ 24,041,488

* 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 29, 2018. 2 Repurchase Agreements. 3 Securities lending collateral. 4 Rate indicated is the 7 day yield as of March 29, 2018.

ADR — American Depositary Receipt plc — Public Limited Company