Fund Holdings As of 06/30/2021 MM S&P® Mid Cap Index Fund Northern Trust Fund Shares or Par Position Market Security Name Ticker CUSIP Weighting (%) Amount Value ($) Future on S&P MidCap 400 PR Sep21 0 0 1.00 1,800 4,846,320 Bio-Techne Corp TECH 09073M104 0.73 7,864 3,540,845 Cognex Corp CGNX 192422103 0.62 35,763 3,005,880 Molina Healthcare Inc MOH 60855R100 0.62 11,826 2,992,688 Fair Isaac Corp FICO 303250104 0.60 5,814 2,922,582 SolarEdge Technologies Inc SEDG 83417M104 0.60 10,527 2,909,347 XPO Logistics Inc XPO 983793100 0.59 20,563 2,876,558 Signature Bank SBNY 82669G104 0.59 11,650 2,861,822 Camden Property Trust CPT 133131102 0.54 19,774 2,623,417 Fixed Inc Clearing Corp.Repo 0 0 0.54 2,616,203 2,616,203 Graco Inc GGG 384109104 0.54 34,316 2,597,721 FactSet Research Systems Inc FDS 303075105 0.53 7,646 2,566,074 Ceridian HCM Holding Inc CDAY 15677J108 0.53 26,540 2,545,717 Brown & Brown Inc BRO 115236101 0.52 47,253 2,511,024 Masimo Corp MASI 574795100 0.51 10,220 2,477,839 Williams-Sonoma Inc WSM 969904101 0.51 15,399 2,458,450 Lennox International Inc LII 526107107 0.50 6,960 2,441,568 Steel Dynamics Inc STLD 858119100 0.50 40,629 2,421,488 Nordson Corp NDSN 655663102 0.50 10,916 2,396,171 Medical Properties Trust Inc MPW 58463J304 0.49 118,811 2,388,101 Trex Co Inc TREX 89531P105 0.49 23,300 2,381,493 The Toro Co TTC 891092108 0.49 21,624 2,376,045 RPM International Inc RPM 749685103 0.48 26,159 2,319,780 RH RH 74967X103 0.48 3,404 2,311,316 Axon Enterprise Inc AXON 05464C101 0.48 13,061 2,309,185 Cree Inc CREE 225447101 0.47 23,357 2,287,351 Darling Ingredients Inc DAR 237266101 0.46 32,956 2,224,530 Five Below Inc FIVE 33829M101 0.45 11,324 2,188,589 PRA Health Sciences Inc PRAH 69354M108 0.45 13,126 2,168,546 Deckers Outdoor Corp DECK 243537107 0.45 5,623 2,159,626 Jazz Pharmaceuticals PLC JAZZ G50871105 0.45 12,137 2,156,017 Cable One Inc CABO 12685J105 0.43 1,097 2,098,353 Lithia Motors Inc Class A LAD 536797103 0.43 6,025 2,070,431 Essential Utilities Inc WTRG 29670G102 0.43 45,261 2,068,428 Owens-Corning Inc OC 690742101 0.43 21,095 2,065,200 Repligen Corp RGEN 759916109 0.43 10,324 2,060,877 Targa Resources Corp TRGP 87612G101 0.43 46,319 2,058,880 East West Bancorp Inc EWBC 27579R104 0.43 28,693 2,057,001 Hubbell Inc HUBB 443510607 0.42 10,968 2,049,261 Jones Lang LaSalle Inc JLL 48020Q107 0.42 10,394 2,031,611 Carlisle Companies Inc CSL 142339100 0.42 10,569 2,022,695 Cleveland-Cliffs Inc CLF 185899101 0.41 93,026 2,005,641 MKS Instruments Inc MKSI 55306N104 0.41 11,193 1,991,794 UGI Corp UGI 902681105 0.40 42,270 1,957,524 The Middleby Corp MIDD 596278101 0.40 11,232 1,946,056 Reliance Steel & Aluminum Co RS 759509102 0.40 12,891 1,945,252 Lear Corp LEA 521865204 0.40 11,051 1,937,019 Universal Display Corp OLED 91347P105 0.40 8,689 1,931,825 United States Treasury Bills 0% 0 9127963S6 0.40 1,930,000 1,929,968 First Horizon Corp FHN 320517105 0.40 111,540 1,927,411 Boston Beer Co Inc Class A SAM 100557107 0.40 1,884 1,923,187 Watsco Inc WSO 942622200 0.39 6,662 1,909,596 Aspen Technology Inc AZPN 045327103 0.39 13,748 1,890,900 Penumbra Inc PEN 70975L107 0.39 6,870 1,882,792 Alleghany Corp Y 017175100 0.39 2,812 1,875,801 AECOM ACM 00766T100 0.39 29,624 1,875,792 AptarGroup Inc ATR 038336103 0.39 13,315 1,875,285 Neurocrine Biosciences Inc NBIX 64125C109 0.39 19,157 1,864,359 Fund Shares or Par Position Market Security Name Ticker CUSIP Weighting (%) Amount Value ($) Manhattan Associates Inc MANH 562750109 0.38 12,844 1,860,325 Syneos Health Inc Class A SYNH 87166B102 0.38 20,504 1,834,903 Lamar Advertising Co Class A LAMR 512816109 0.38 17,530 1,830,483 Sunrun Inc RUN 86771W105 0.38 32,663 1,821,942 Service Corp International SCI 817565104 0.38 33,967 1,820,292 Builders FirstSource Inc BLDR 12008R107 0.37 41,840 1,784,894 Ciena Corp CIEN 171779309 0.37 31,285 1,779,804 CyrusOne Inc CONE 23283R100 0.37 24,742 1,769,548 WEX Inc WEX 96208T104 0.36 9,057 1,756,152 Capri Holdings Ltd CPRI G1890L107 0.36 30,614 1,750,815 Arrowhead Pharmaceuticals Inc ARWR 04280A100 0.36 21,037 1,742,284 Kohl's Corp KSS 500255104 0.36 31,580 1,740,374 American Financial Group Inc AFG 025932104 0.36 13,915 1,735,479 Oshkosh Corp OSK 688239201 0.36 13,860 1,727,510 Omega Healthcare Investors Inc OHI 681936100 0.36 47,517 1,724,392 Arrow Electronics Inc ARW 042735100 0.35 14,973 1,704,377 STORE Capital Corp STOR 862121100 0.35 49,183 1,697,305 Life Storage Inc LSI 53223X107 0.34 15,514 1,665,428 National Retail Properties Inc NNN 637417106 0.34 35,525 1,665,412 AGCO Corp AGCO 001084102 0.34 12,502 1,630,011 United Therapeutics Corp UTHR 91307C102 0.34 9,079 1,628,863 Donaldson Co Inc DCI 257651109 0.34 25,563 1,624,017 Gentex Corp GNTX 371901109 0.33 48,789 1,614,428 Amedisys Inc AMED 023436108 0.33 6,575 1,610,415 Genpact Ltd G G3922B107 0.33 35,161 1,597,364 Polaris Inc PII 731068102 0.33 11,654 1,596,132 ITT Inc ITT 45073V108 0.33 17,379 1,591,743 Commerce Bancshares Inc CBSH 200525103 0.33 21,260 1,585,146 Lincoln Electric Holdings Inc LECO 533900106 0.33 12,016 1,582,627 The Scotts Miracle Gro Co A SMG 810186106 0.33 8,242 1,581,805 Jabil Inc JBL 466313103 0.32 27,027 1,570,809 Reinsurance Group of America Inc RGA 759351604 0.32 13,777 1,570,578 Brunswick Corp BC 117043109 0.32 15,764 1,570,410 Encompass Health Corp EHC 29261A100 0.32 20,119 1,569,886 First Solar Inc FSLR 336433107 0.32 17,184 1,555,324 Lattice Semiconductor Corp LSCC 518415104 0.32 27,673 1,554,669 II-VI Inc IIVI 902104108 0.32 21,233 1,541,303 Rexford Industrial Realty Inc REXR 76169C100 0.32 27,059 1,541,010 Crocs Inc CROX 227046109 0.32 13,163 1,533,753 Hill-Rom Holdings Inc HRC 431475102 0.32 13,450 1,527,786 Chemed Corp CHE 16359R103 0.32 3,219 1,527,416 Royal Gold Inc RGLD 780287108 0.31 13,297 1,517,188 Cimarex Energy Co XEC 171798101 0.31 20,837 1,509,641 Apartment Income REIT Corp AIRC 03750L109 0.31 31,652 1,501,254 RenaissanceRe Holdings Ltd RNR G7496G103 0.31 10,062 1,497,427 Kilroy Realty Corp KRC 49427F108 0.31 21,463 1,494,683 IAA Inc Ordinary Shares IAA 449253103 0.31 27,271 1,487,360 SEI Investments Co SEIC 784117103 0.31 23,922 1,482,446 Woodward Inc WWD 980745103 0.30 11,883 1,460,183 Casey's General Stores Inc CASY 147528103 0.30 7,488 1,457,464 Tempur Sealy International Inc TPX 88023U101 0.30 37,090 1,453,557 Paylocity Holding Corp PCTY 70438V106 0.30 7,604 1,450,843 Tenet Healthcare Corp THC 88033G407 0.30 21,650 1,450,334 Staar Surgical Co STAA 852312305 0.30 9,508 1,449,970 Brooks Automation Inc BRKS 114340102 0.30 15,043 1,433,297 Old Republic International Corp ORI 680223104 0.30 57,337 1,428,265 Harley-Davidson Inc HOG 412822108 0.29 31,074 1,423,811 Mattel Inc MAT 577081102 0.29 70,568 1,418,417 First Financial Bankshares Inc FFIN 32020R109 0.29 28,831 1,416,467 Envista Holdings Corp Ordinary Shares NVST 29415F104 0.29 32,446 1,401,992 YETI Holdings Inc YETI 98585X104 0.29 15,195 1,395,205 Churchill Downs Inc CHDN 171484108 0.29 7,019 1,391,587 Silicon Laboratories Inc SLAB 826919102 0.29 9,045 1,386,146 Jefferies Financial Group Inc JEF 47233W109 0.29 40,400 1,381,680 Fund Shares or Par Position Market Security Name Ticker CUSIP Weighting (%) Amount Value ($) First American Financial Corp FAF 31847R102 0.29 22,146 1,380,803 Stifel Financial Corp SF 860630102 0.29 21,276 1,379,961 Marriott Vacations Worldwide Corp VAC 57164Y107 0.28 8,649 1,377,786 Brixmor Property Group Inc BRX 11120U105 0.28 60,149 1,376,811 First Industrial Realty Trust Inc FR 32054K103 0.28 26,172 1,366,964 Wyndham Hotels & Resorts Inc Ordinary Shares WH 98311A105 0.28 18,884 1,365,124 OGE Energy Corp OGE 670837103 0.28 40,541 1,364,205 SLM Corp SLM 78442P106 0.28 65,140 1,364,032 Sonoco Products Co SON 835495102 0.28 20,363 1,362,285 HealthEquity Inc HQY 42226A107 0.28 16,908 1,360,756 Pinnacle Financial Partners Inc PNFP 72346Q104 0.28 15,402 1,359,843 EMCOR Group Inc EME 29084Q100 0.28 11,008 1,356,076 Skechers USA Inc SKX 830566105 0.28 27,202 1,355,476 Concentrix Corp Ordinary Shares CNXC 20602D101 0.28 8,428 1,355,222 Prosperity Bancshares Inc PB 743606105 0.28 18,835 1,352,353 Acuity Brands Inc AYI 00508Y102 0.28 7,204 1,347,364 Janus Henderson Group PLC JHG G4474Y214 0.28 34,583 1,342,166 Olin Corp OLN 680665205 0.28 28,941 1,338,811 EastGroup Properties Inc EGP 277276101 0.28 8,115 1,334,512 Tetra Tech Inc TTEK 88162G103 0.28 10,927 1,333,531 Stericycle Inc SRCL 858912108 0.27 18,568 1,328,540 Dick's Sporting Goods Inc DKS 253393102 0.27 13,220 1,324,512 TopBuild Corp BLD 89055F103 0.27 6,692 1,323,544 Synovus Financial Corp SNV 87161C501 0.27 30,127 1,321,973 Fox Factory Holding Corp FOXF 35138V102 0.27 8,473 1,318,907 BJ's Wholesale Club Holdings Inc BJ 05550J101 0.27 27,666 1,316,348 Toll Brothers Inc TOL 889478103 0.27 22,709 1,312,807 Coherent Inc COHR 192479103 0.27 4,955 1,309,805 ManpowerGroup Inc MAN 56418H100 0.27 11,001 1,308,129 United States Steel Corp X 912909108 0.27 54,478 1,307,472 American Campus Communities Inc ACC 024835100 0.27 27,897 1,303,348 Affiliated Managers Group Inc AMG 008252108 0.27 8,410 1,296,906 Post Holdings Inc POST 737446104 0.27 11,940 1,295,132 Cullen/Frost Bankers Inc CFR 229899109 0.27 11,468 1,284,416 Foot Locker Inc FL 344849104 0.27 20,834 1,283,999 LHC Group Inc LHCG 50187A107 0.27 6,404 1,282,465 New York Times Co Class A NYT 650111107 0.26 29,387 1,279,804 Texas Roadhouse Inc TXRH 882681109 0.26 13,264 1,275,997 MDU Resources Group Inc MDU 552690109 0.26 40,642 1,273,720 Thor Industries Inc THO 885160101 0.26 11,222 1,268,086 Littelfuse Inc LFUS 537008104 0.26 4,973 1,267,071 Lumentum Holdings Inc