SCHEDULE OF INVESTMENTS (Unaudited) June 30, 2018 TECHNOLOGY FUND

SHARES VALUE SHARES VALUE

COMMON STOCKS† - 99.5% Palo Alto Networks, Inc.* 697 $ 143,213 VeriSign, Inc.* 972 133,572 SOFTWARE - 26.6% Snap, Inc. — Class A*,1 9,980 130,638 Microsoft Corp. 9,148 $ 902,084 SINA Corp.* 1,459 123,563 Oracle Corp. 10,190 448,971 Shopify, Inc. — Class A* 845 123,277 Adobe Systems, Inc.* 1,460 355,963 YY, Inc. ADR* 1,210 121,569 salesforce.com, Inc.* 2,411 328,860 Weibo Corp. ADR* 1,358 120,536 VMware, Inc. — Class A* 1,748 256,904 Symantec Corp. 5,649 116,652 Activision Blizzard, Inc. 3,287 250,864 IAC/InterActiveCorp* 760 115,892 Intuit, Inc. 1,165 238,015 CDW Corp. 1,420 114,722 Electronic Arts, Inc.* 1,529 215,620 GoDaddy, Inc. — Class A* 1,610 113,666 Fidelity National Information Services, Inc. 1,837 194,777 Zillow Group, Inc. — Class C*,1 1,814 107,135 NetEase, Inc. ADR 721 182,175 F5 Networks, Inc.* 611 105,367 Fiserv, Inc.* 2,424 179,594 Match Group, Inc.*,1 2,648 102,584 ServiceNow, Inc.* 1,020 175,919 GrubHub, Inc.* 900 94,419 Autodesk, Inc.* 1,327 173,956 Twilio, Inc. — Class A* 1,360 76,187 Workday, Inc. — Class A* 1,360 164,723 Proofpoint, Inc.* 660 76,105 Paychex, Inc. 2,395 163,698 Okta, Inc.* 1,490 75,051 First Data Corp. — Class A* 6,850 143,370 Trade Desk, Inc. — Class A* 710 66,598 Red Hat, Inc.* 1,054 141,626 Etsy, Inc.* 1,578 66,576 Atlassian Corporation plc — Class A* 2,030 126,916 Stamps.com, Inc.* 260 65,793 CA, Inc. 3,521 125,524 Yelp, Inc. — Class A* 1,513 59,279 ANSYS, Inc.* 720 125,410 FireEye, Inc.* 3,521 54,188 Citrix Systems, Inc.* 1,194 125,179 Broadridge Financial Solutions, Inc. 1,080 124,308 Total Internet 5,089,946 Take-Two Interactive Software, Inc.* 1,018 120,490 SEMICONDUCTORS - 18.9% Synopsys, Inc.* 1,357 116,118 Intel Corp. 9,622 478,310 Momo, Inc. ADR* 2,657 115,580 NVIDIA Corp. 1,571 372,170 SS&C Technologies Holdings, Inc. 2,220 115,218 Texas Instruments, Inc. 3,081 339,680 Splunk, Inc.* 1,160 114,968 Broadcom, Inc. 1,301 315,675 Cadence Design Systems, Inc.* 2,627 113,775 QUALCOMM, Inc. 5,281 296,370 Akamai Technologies, Inc.* 1,537 112,555 Micron Technology, Inc.* 4,709 246,940 PTC, Inc.* 1,160 108,820 Applied Materials, Inc. 4,795 221,481 Jack Henry & Associates, Inc. 799 104,158 Analog Devices, Inc. 2,004 192,224 CDK Global, Inc. 1,489 96,859 NXP Semiconductor N.V.* 1,713 187,180 Black Knight, Inc.* 1,790 95,854 Lam Research Corp. 1,012 174,924 Tableau Software, Inc. — Class A* 930 90,908 Marvell Technology Group Ltd. 7,715 165,410 Ultimate Software Group, Inc.* 347 89,287 Taiwan Semiconductor Manufacturing Aspen Technology, Inc.* 890 82,539 Company Ltd. ADR 4,224 154,429 Paycom Software, Inc.* 760 75,111 Microchip Technology, Inc. 1,589 144,520 Blackbaud, Inc. 710 72,739 ASML Holding N.V. — Class G 690 136,599 ,1 HubSpot, Inc.* 570 71,478 Skyworks Solutions, Inc. 1,406 135,890 2U, Inc.* 820 68,519 Maxim Integrated Products, Inc. 2,240 131,398 j2 Global, Inc. 785 67,989 Xilinx, Inc. 2,001 130,585 Nuance Communications, Inc.* 4,714 65,454 KLA-Tencor Corp. 1,240 127,137 Box, Inc. — Class A* 2,400 59,976 Advanced Micro Devices, Inc.* 8,279 124,102 CommVault Systems, Inc.* 845 55,643 IPG Photonics Corp.* 505 111,418 Total Software 7,158,494 Qorvo, Inc.* 1,284 102,938 ON Semiconductor Corp.* 4,276 95,077 INTERNET - 18.9% Teradyne, Inc. 2,327 88,589 Alphabet, Inc. — Class A* 818 923,677 Cavium, Inc.* 970 83,905 Facebook, Inc. — Class A* 3,996 776,503 Monolithic Power Systems, Inc. 572 76,459 Alibaba Group Holding Ltd. ADR* 1,767 327,831 Cypress Semiconductor Corp. 4,718 73,506 Baidu, Inc. ADR* 938 227,934 MKS Instruments, Inc. 761 72,828 eBay, Inc.* 5,332 193,338 Entegris, Inc. 2,010 68,139 Twitter, Inc.* 4,118 179,833 Silicon Laboratories, Inc.* 670 66,732 MercadoLibre, Inc. 516 154,248 Integrated Device Technology, Inc.* 2,024 64,525 SCHEDULE OF INVESTMENTS (Unaudited)(continued) June 30, 2018 TECHNOLOGY FUND

SHARES VALUE SHARES VALUE

Cirrus Logic, Inc.* 1,306 $ 50,059 ARRIS International plc* 2,830 $ 69,179 Ambarella, Inc.*,1 943 36,409 Ciena Corp.* 2,517 66,726 ,1 Total Semiconductors 5,065,608 Finisar Corp.* 2,710 48,780 NETGEAR, Inc.* 727 45,438 COMPUTERS - 13.5% Total Telecommunications 1,237,662 Apple, Inc. 5,336 987,747 International Business Machines Corp. 2,653 370,624 ELECTRONICS - 4.3% Cognizant Technology Amphenol Corp. — Class A 1,922 167,502 Solutions Corp. — Class A 2,864 226,227 Corning, Inc. 5,607 154,249 HP, Inc. 8,586 194,816 TE Connectivity Ltd. 1,480 133,289 Accenture plc — Class A 1,012 165,553 Keysight Technologies, Inc.* 1,860 109,796 DXC Technology Co. 1,944 156,706 Trimble, Inc.* 2,776 91,164 Western Digital Corp. 2,012 155,749 Flex Ltd.* 6,459 91,137 NetApp, Inc. 1,949 153,055 FLIR Systems, Inc. 1,690 87,829 Hewlett Packard Enterprise Co. 10,305 150,556 National Instruments Corp. 1,840 77,243 Infosys Ltd. ADR 7,663 148,892 Jabil, Inc. 2,524 69,814 Check Point Software Technologies Ltd.* 1,484 144,957 Coherent, Inc.* 410 64,132 Seagate Technology plc 2,285 129,034 Tech Data Corp.* 710 58,305 Fortinet, Inc.* 1,690 105,507 II-VI, Inc.* 1,218 52,922 Amdocs Ltd. 1,500 99,285 Total Electronics 1,157,382 Leidos Holdings, Inc. 1,679 99,061 Nutanix, Inc. — Class A* 1,740 89,732 DIVERSIFIED FINANCIAL SERVICES - 4.2% Pure Storage, Inc. — Class A* 3,150 75,222 Visa, Inc. — Class A 4,083 540,793 Lumentum Holdings, Inc.* 1,099 63,632 Mastercard, Inc. — Class A 2,411 473,810 NCR Corp.* 2,022 60,620 Alliance Data Systems Corp. 523 121,964 NetScout Systems, Inc.* 1,702 50,550 Total Diversifi ed Financial Services 1,136,567 Total Computers 3,627,525 ELECTRICAL COMPONENTS & EQUIPMENT - 0.7% COMMERCIAL SERVICES - 6.3% Littelfuse, Inc. 350 79,863 1 PayPal Holdings, Inc.* 3,915 326,002 Universal Display Corp. 740 63,640 Automatic Data Processing, Inc. 1,873 251,244 Advanced Energy Industries, Inc.* 847 49,202 Worldpay, Inc. — Class A* 2,020 165,196 Total Electrical Components & Equipment 192,705 Square, Inc. — Class A* 2,610 160,880 FleetCor Technologies, Inc.* 706 148,719 MACHINERY-DIVERSIFIED - 0.7% Global Payments, Inc. 1,233 137,467 Cognex Corp. 2,050 91,450 Total System Services, Inc. 1,536 129,823 Zebra Technologies Corp. — Class A* 605 86,666 Gartner, Inc.* 869 115,490 Total Machinery-Diversifi ed 178,116 Western Union Co. 4,970 101,040 ENERGY-ALTERNATE SOURCES - 0.3% Sabre Corp. 3,396 83,677 First Solar, Inc.* 1,450 76,357 Euronet Worldwide, Inc.* 810 67,854 Total Commercial Services 1,687,392 OFFICE & BUSINESS EQUIPMENT - 0.3% Xerox Corp. 3,173 76,152 TELECOMMUNICATIONS - 4.6% Cisco Systems, Inc. 10,740 462,142 BUILDING MATERIALS - 0.2% Motorola Solutions, Inc. 1,264 147,092 Cree, Inc.* 1,508 62,688 Arista Networks, Inc.* 552 142,135 Total Common Stocks Juniper Networks, Inc. 3,734 102,386 (Cost $15,979,439) 26,746,594 CommScope Holding Company, Inc.* 2,646 77,276 LogMeIn, Inc. 741 76,508 SCHEDULE OF INVESTMENTS (Unaudited)(concluded) June 30, 2018 TECHNOLOGY FUND

FACE AMOUNT VALUE SHARES VALUE

REPURCHASE AGREEMENTS††,2 - 0.6% SECURITIES LENDING COLLATERAL†,3 - 1.5% JPMorgan Chase & Co. Money Market Fund issued 06/29/18 at 2.10% First American Government due 07/02/18 $ 94,072 $ 94,072 Obligations Fund — Class Z, 1.77%4 392,241 $ 392,241 Barclays Capital Total Securities Lending Collateral issued 06/29/18 at 2.07% (Cost $392,241) 392,241 due 07/02/18 46,194 46,194 Bank of America Merrill Lynch Total Investments - 101.6% issued 06/29/18 at 2.08% (Cost $16,542,742) $ 27,309,897 due 07/02/18 30,796 30,796 Other Assets & Liabilities, net - (1.6)% (432,794) Total Repurchase Agreements Total Net Assets - 100.0% $ 26,877,103 (Cost $171,062) 171,062

* 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 June 30, 2018. 2 Repurchase Agreements. 3 Securities lending collateral. 4 Rate indicated is the 7 day yield as of June 30, 2018. ADR — American Depositary Receipt plc — Public Limited Company