Basic Stats
| Portfolio Value | $ 690,318,667 |
| Current Positions | 147 |
Latest Holdings, Performance, AUM (from 13F, 13D)
NORTHWESTERN MUTUAL SERIES FUND INC - Small Cap Growth Stock Portfolio has disclosed 147 total holdings in their latest SEC filings. Most recent portfolio value is calculated to be $ 690,318,667 USD. Actual Assets Under Management (AUM) is this value plus cash (which is not disclosed). NORTHWESTERN MUTUAL SERIES FUND INC - Small Cap Growth Stock Portfolio’s top holdings are iShares Trust - iShares Russell 2000 Growth ETF (US:IWO) , The Ensign Group, Inc. (US:ENSG) , SPX Technologies, Inc. (US:SPXC) , Credo Technology Group Holding Ltd (US:CRDO) , and HealthEquity, Inc. (US:HQY) . NORTHWESTERN MUTUAL SERIES FUND INC - Small Cap Growth Stock Portfolio’s new positions include AeroVironment, Inc. (US:AVAV) , FirstCash Holdings, Inc. (US:FCFS) , Vertex, Inc. (US:VERX) , Pool Corporation (US:POOL) , and Universal Technical Institute, Inc. (US:UTI) .
Top Increases This Quarter
We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.
| Security | Shares (MM) |
Value (MM$) |
Portfolio % | ΔPortfolio % |
|---|---|---|---|---|
| 0.03 | 9.27 | 1.3247 | 1.3247 | |
| 0.06 | 7.69 | 1.0989 | 1.0989 | |
| 0.18 | 8.13 | 1.1607 | 0.9019 | |
| 0.10 | 9.63 | 1.3759 | 0.7217 | |
| 0.13 | 4.73 | 0.6763 | 0.6763 | |
| 0.02 | 6.87 | 0.9806 | 0.6457 | |
| 0.01 | 4.20 | 0.6003 | 0.6003 | |
| 0.12 | 4.09 | 0.5838 | 0.5838 | |
| 0.35 | 3.83 | 0.5470 | 0.5470 | |
| 0.19 | 3.74 | 0.5343 | 0.5343 |
Top Decreases This Quarter
We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.
| Security | Shares (MM) |
Value (MM$) |
Portfolio % | ΔPortfolio % |
|---|---|---|---|---|
| 0.04 | 12.32 | 1.7596 | -1.2005 | |
| 0.00 | 0.00 | -1.0909 | ||
| 0.06 | 6.44 | 0.9197 | -0.5537 | |
| 0.14 | 4.39 | 0.6270 | -0.4639 | |
| 0.04 | 2.98 | 0.4254 | -0.4463 | |
| 0.04 | 1.37 | 0.1954 | -0.4184 | |
| 0.29 | 4.27 | 0.6092 | -0.3264 | |
| 0.05 | 1.71 | 0.2437 | -0.3166 | |
| 0.07 | 7.53 | 1.0754 | -0.2991 | |
| 0.08 | 4.07 | 0.5815 | -0.2951 |
13F and Fund Filings
This form was filed on 2025-08-19 for the reporting period 2025-06-30. Click the link icon to see the full transaction history.
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| Security | Type | Avg Share Price | Shares (MM) |
ΔShares (%) |
ΔShares (%) |
Value ($MM) |
Portfolio (%) |
ΔPortfolio (%) |
|
|---|---|---|---|---|---|---|---|---|---|
| IWO / iShares Trust - iShares Russell 2000 Growth ETF | 0.04 | -41.54 | 12.32 | -34.60 | 1.7596 | -1.2005 | |||
| ENSG / The Ensign Group, Inc. | 0.08 | -1.88 | 11.74 | 16.98 | 1.6763 | 0.0997 | |||
| SPXC / SPX Technologies, Inc. | 0.06 | 8.79 | 9.77 | 41.67 | 1.3957 | 0.3117 | |||
| CRDO / Credo Technology Group Holding Ltd | 0.10 | 0.37 | 9.63 | 131.43 | 1.3759 | 0.7217 | |||
| HQY / HealthEquity, Inc. | 0.09 | 1.30 | 9.62 | 20.09 | 1.3736 | 0.1152 | |||
| AVAV / AeroVironment, Inc. | 0.03 | 9.27 | 1.3247 | 1.3247 | |||||
| VRRM / Verra Mobility Corporation | 0.36 | 13.44 | 9.23 | 27.95 | 1.3191 | 0.1849 | |||
| ACIW / ACI Worldwide, Inc. | 0.18 | 488.03 | 8.13 | 393.62 | 1.1607 | 0.9019 | |||
| MOGA / Moog, Inc. - Class A | 0.04 | 6.07 | 7.95 | 10.73 | 1.1351 | 0.0073 | |||
| SF / Stifel Financial Corp. | 0.07 | 20.00 | 7.74 | 32.13 | 1.1063 | 0.1851 | |||
| FCFS / FirstCash Holdings, Inc. | 0.06 | 7.69 | 1.0989 | 1.0989 | |||||
| FTAI / FTAI Aviation Ltd. | 0.07 | -16.92 | 7.53 | -13.92 | 1.0754 | -0.2991 | |||
| GTLS / Chart Industries, Inc. | 0.04 | 17.32 | 7.35 | 33.81 | 1.0505 | 0.1868 | |||
| CWAN / Clearwater Analytics Holdings, Inc. | 0.33 | 35.72 | 7.26 | 11.06 | 1.0372 | 0.0097 | |||
| CVLT / Commvault Systems, Inc. | 0.04 | 15.70 | 7.05 | 27.86 | 1.0076 | 0.1406 | |||
| CBZ / CBIZ, Inc. | 0.10 | 2.21 | 7.03 | -3.38 | 1.0036 | -0.1392 | |||
| SNV / Synovus Financial Corp. | 0.13 | 6.18 | 6.94 | 17.58 | 0.9909 | 0.0636 | |||
| FN / Fabrinet | 0.02 | 115.87 | 6.87 | 222.15 | 0.9806 | 0.6457 | |||
| BOOT / Boot Barn Holdings, Inc. | 0.05 | 27.39 | 6.84 | 80.26 | 0.9772 | 0.3807 | |||
| COOP / Mr. Cooper Group Inc. | 0.05 | -28.45 | 6.76 | -10.74 | 0.9661 | -0.2247 | |||
| CBT / Cabot Corporation | 0.09 | 0.00 | 6.75 | -9.79 | 0.9647 | -0.2118 | |||
| CLH / Clean Harbors, Inc. | 0.03 | 7.50 | 6.71 | 26.10 | 0.9579 | 0.1221 | |||
| MOD / Modine Manufacturing Company | 0.07 | 20.53 | 6.68 | 54.69 | 0.9535 | 0.2753 | |||
| FLR / Fluor Corporation | 0.13 | -22.27 | 6.65 | 11.26 | 0.9498 | 0.0106 | |||
| ATI / ATI Inc. | 0.08 | -19.04 | 6.54 | 34.34 | 0.9344 | 0.1692 | |||
| SPSC / SPS Commerce, Inc. | 0.05 | 49.33 | 6.51 | 53.09 | 0.9293 | 0.2615 | |||
| CWST / Casella Waste Systems, Inc. | 0.06 | -33.63 | 6.44 | -31.33 | 0.9197 | -0.5537 | |||
| KTB / Kontoor Brands, Inc. | 0.10 | 41.22 | 6.35 | 45.28 | 0.9065 | 0.2200 | |||
| DORM / Dorman Products, Inc. | 0.05 | 5.49 | 6.29 | 7.36 | 0.8979 | -0.0222 | |||
| IRTC / iRhythm Technologies, Inc. | 0.04 | -3.71 | 6.27 | 41.65 | 0.8953 | 0.1998 | |||
| CRS / Carpenter Technology Corporation | 0.02 | -21.14 | 6.13 | 20.29 | 0.8759 | 0.0748 | |||
| IPAR / Interparfums, Inc. | 0.05 | -6.85 | 6.07 | 7.41 | 0.8677 | -0.0210 | |||
| AZEK / The AZEK Company Inc. | 0.11 | 20.95 | 6.03 | 34.46 | 0.8619 | 0.1567 | |||
| BPMC / Blueprint Medicines Corporation | 0.05 | 0.00 | 6.00 | 44.83 | 0.8570 | 0.2059 | |||
| LNTH / Lantheus Holdings, Inc. | 0.07 | 19.65 | 5.88 | 0.36 | 0.8403 | -0.0809 | |||
| MMSI / Merit Medical Systems, Inc. | 0.06 | 0.00 | 5.84 | -11.57 | 0.8340 | -0.2036 | |||
| RMBS / Rambus Inc. | 0.09 | 5.37 | 5.78 | 30.30 | 0.8251 | 0.1284 | |||
| CTRE / CareTrust REIT, Inc. | 0.19 | 0.00 | 5.72 | 7.08 | 0.8172 | -0.0225 | |||
| WDFC / WD-40 Company | 0.03 | 8.13 | 5.72 | 1.08 | 0.8167 | -0.0722 | |||
| WCC / WESCO International, Inc. | 0.03 | 2.54 | 5.70 | 22.28 | 0.8146 | 0.0817 | |||
| HLNE / Hamilton Lane Incorporated | 0.04 | 5.87 | 5.68 | 1.21 | 0.8111 | -0.0706 | |||
| PEGA / Pegasystems Inc. | 0.10 | 87.02 | 5.67 | 45.63 | 0.8093 | 0.1979 | |||
| CCCS / CCC Intelligent Solutions Holdings Inc. | 0.60 | 13.45 | 5.63 | 18.22 | 0.8047 | 0.0558 | |||
| NXT / Nextracker Inc. | 0.10 | -0.46 | 5.51 | 28.45 | 0.7874 | 0.1129 | |||
| AVPT / AvePoint, Inc. | 0.28 | 4.66 | 5.49 | 39.97 | 0.7844 | 0.1678 | |||
| RDNT / RadNet, Inc. | 0.10 | 6.72 | 5.42 | 22.15 | 0.7745 | 0.0769 | |||
| PRIM / Primoris Services Corporation | 0.07 | 22.85 | 5.31 | 66.80 | 0.7587 | 0.2582 | |||
| CARG / CarGurus, Inc. | 0.16 | 48.47 | 5.31 | 70.61 | 0.7580 | 0.2692 | |||
| AGYS / Agilysys, Inc. | 0.05 | 0.00 | 5.29 | 58.03 | 0.7552 | 0.2295 | |||
| GKOS / Glaukos Corporation | 0.05 | 12.26 | 5.25 | 17.83 | 0.7504 | 0.0496 | |||
| CHEF / The Chefs' Warehouse, Inc. | 0.08 | 45.49 | 5.21 | 70.49 | 0.7446 | 0.2641 | |||
| CACI / CACI International Inc | 0.01 | -6.68 | 5.17 | 21.23 | 0.7382 | 0.0683 | |||
| BATRK / Atlanta Braves Holdings, Inc. | 0.11 | 7.81 | 5.17 | 26.04 | 0.7379 | 0.0937 | |||
| GPOR / Gulfport Energy Corporation | 0.03 | 15.73 | 5.16 | 26.45 | 0.7370 | 0.0957 | |||
| OLLI / Ollie's Bargain Outlet Holdings, Inc. | 0.04 | 60.71 | 5.14 | 82.01 | 0.7342 | 0.2904 | |||
| MKSI / MKS Inc. | 0.05 | -9.75 | 5.04 | 11.89 | 0.7205 | 0.0120 | |||
| ATMU / Atmus Filtration Technologies Inc. | 0.14 | 58.67 | 5.03 | 57.35 | 0.7184 | 0.2161 | |||
| NSIT / Insight Enterprises, Inc. | 0.04 | 2.51 | 5.00 | -5.64 | 0.7148 | -0.1185 | |||
| WTM / White Mountains Insurance Group, Ltd. | 0.00 | 0.00 | 4.98 | -6.77 | 0.7121 | -0.1281 | |||
| CPK / Chesapeake Utilities Corporation | 0.04 | 31.84 | 4.97 | 23.40 | 0.7098 | 0.0770 | |||
| EVR / Evercore Inc. | 0.02 | 36.72 | 4.91 | 84.83 | 0.7016 | 0.2840 | |||
| R / Ryder System, Inc. | 0.03 | 18.37 | 4.90 | 30.87 | 0.6994 | 0.1114 | |||
| AXTA / Axalta Coating Systems Ltd. | 0.16 | 0.00 | 4.84 | -10.50 | 0.6920 | -0.1586 | |||
| TGTX / TG Therapeutics, Inc. | 0.13 | 331.40 | 4.83 | 293.80 | 0.6897 | 0.4970 | |||
| VRNS / Varonis Systems, Inc. | 0.09 | 4.69 | 4.79 | 31.35 | 0.6847 | 0.1112 | |||
| IBP / Installed Building Products, Inc. | 0.03 | 0.00 | 4.76 | 5.15 | 0.6793 | -0.0313 | |||
| VERX / Vertex, Inc. | 0.13 | 4.73 | 0.6763 | 0.6763 | |||||
| IRT / Independence Realty Trust, Inc. | 0.27 | 19.05 | 4.72 | -0.80 | 0.6749 | -0.0736 | |||
| CRUS / Cirrus Logic, Inc. | 0.04 | 0.00 | 4.67 | 4.61 | 0.6672 | -0.0344 | |||
| LITE / Lumentum Holdings Inc. | 0.05 | 0.00 | 4.65 | 52.48 | 0.6641 | 0.1850 | |||
| PATK / Patrick Industries, Inc. | 0.05 | 4.61 | 4.64 | 14.15 | 0.6629 | 0.0240 | |||
| PTCT / PTC Therapeutics, Inc. | 0.09 | 6.89 | 4.58 | 2.44 | 0.6541 | -0.0484 | |||
| AZZ / AZZ Inc. | 0.05 | 0.00 | 4.55 | 13.01 | 0.6501 | 0.0172 | |||
| AXSM / Axsome Therapeutics, Inc. | 0.04 | 0.00 | 4.48 | -10.49 | 0.6397 | -0.1466 | |||
| HLMN / Hillman Solutions Corp. | 0.62 | 5.99 | 4.45 | -13.91 | 0.6357 | -0.1767 | |||
| OPCH / Option Care Health, Inc. | 0.14 | -31.96 | 4.39 | -36.77 | 0.6270 | -0.4639 | |||
| WING / Wingstop Inc. | 0.01 | -5.83 | 4.35 | 40.58 | 0.6211 | 0.1350 | |||
| EXLS / ExlService Holdings, Inc. | 0.10 | 36.46 | 4.27 | 26.58 | 0.6103 | 0.0798 | |||
| SG / Sweetgreen, Inc. | 0.29 | 20.45 | 4.27 | -28.36 | 0.6092 | -0.3264 | |||
| NSSC / Napco Security Technologies, Inc. | 0.14 | 18.78 | 4.26 | 53.22 | 0.6092 | 0.1717 | |||
| BRBR / BellRing Brands, Inc. | 0.07 | 3.27 | 4.25 | -19.66 | 0.6071 | -0.2242 | |||
| MTDR / Matador Resources Company | 0.09 | 0.00 | 4.21 | -6.59 | 0.6015 | -0.1070 | |||
| POOL / Pool Corporation | 0.01 | 4.20 | 0.6003 | 0.6003 | |||||
| MYRG / MYR Group Inc. | 0.02 | -8.21 | 4.19 | 47.31 | 0.5979 | 0.1513 | |||
| YETI / YETI Holdings, Inc. | 0.13 | -11.16 | 4.18 | -15.40 | 0.5970 | -0.1794 | |||
| RELY / Remitly Global, Inc. | 0.22 | 0.00 | 4.17 | -9.75 | 0.5961 | -0.1306 | |||
| INOD / Innodata Inc. | 0.08 | 11.73 | 4.16 | 59.41 | 0.5941 | 0.1841 | |||
| HIMS / Hims & Hers Health, Inc. | 0.08 | 81.75 | 4.12 | 206.62 | 0.5892 | 0.3778 | |||
| STEP / StepStone Group Inc. | 0.07 | -16.53 | 4.12 | -11.30 | 0.5888 | -0.1416 | |||
| UTI / Universal Technical Institute, Inc. | 0.12 | 4.09 | 0.5838 | 0.5838 | |||||
| ATRC / AtriCure, Inc. | 0.12 | 26.14 | 4.08 | 28.16 | 0.5826 | 0.0824 | |||
| INTA / Intapp, Inc. | 0.08 | -17.46 | 4.07 | -27.02 | 0.5815 | -0.2951 | |||
| RUSHA / Rush Enterprises, Inc. | 0.08 | -23.84 | 4.00 | -26.57 | 0.5711 | -0.2843 | |||
| FMC / FMC Corporation | 0.09 | 26.70 | 3.96 | 25.38 | 0.5653 | 0.0693 | |||
| GG00BMG42V42 / Super Group SGHC Ltd. | 0.35 | 3.83 | 0.5470 | 0.5470 | |||||
| SLNO / Soleno Therapeutics, Inc. | 0.05 | 11.98 | 3.82 | 31.31 | 0.5458 | 0.0885 | |||
| BILL / BILL Holdings, Inc. | 0.08 | 41.22 | 3.81 | 42.36 | 0.5444 | 0.1237 | |||
| PTGX / Protagonist Therapeutics, Inc. | 0.07 | -5.54 | 3.81 | 7.97 | 0.5438 | -0.0104 | |||
| PWP / Perella Weinberg Partners | 0.19 | 3.74 | 0.5343 | 0.5343 | |||||
| VIAV / Viavi Solutions Inc. | 0.37 | 12.71 | 3.72 | 1.42 | 0.5319 | -0.0451 | |||
| WHD / Cactus, Inc. | 0.09 | 13.23 | 3.72 | 8.02 | 0.5313 | -0.0098 | |||
| H / Hyatt Hotels Corporation | 0.03 | 3.70 | 0.5281 | 0.5281 | |||||
| VRNA / Verona Pharma plc - Depositary Receipt (Common Stock) | 0.04 | -35.17 | 3.69 | -3.42 | 0.5277 | -0.0734 | |||
| RNA / Avidity Biosciences, Inc. | 0.13 | -5.20 | 3.64 | -8.79 | 0.5202 | -0.1073 | |||
| ITT / ITT Inc. | 0.02 | -28.28 | 3.49 | -5.73 | 0.4981 | -0.0406 | |||
| HURN / Huron Consulting Group Inc. | 0.03 | -7.88 | 3.47 | -11.68 | 0.4957 | -0.1218 | |||
| WGS / GeneDx Holdings Corp. | 0.04 | 158.02 | 3.42 | 168.90 | 0.4879 | 0.2883 | |||
| VCYT / Veracyte, Inc. | 0.12 | 33.82 | 3.32 | 22.00 | 0.4738 | 0.0465 | |||
| AKRO / Akero Therapeutics, Inc. | 0.06 | 17.76 | 3.31 | 55.23 | 0.4726 | 0.1377 | |||
| PAR / PAR Technology Corporation | 0.05 | 4.91 | 3.28 | 18.66 | 0.4688 | 0.0341 | |||
| VCEL / Vericel Corporation | 0.08 | 0.00 | 3.23 | -4.64 | 0.4613 | -0.0709 | |||
| FRPT / Freshpet, Inc. | 0.05 | 0.00 | 3.21 | -18.28 | 0.4592 | -0.1590 | |||
| NUVL / Nuvalent, Inc. | 0.04 | 18.09 | 3.06 | 27.08 | 0.4364 | 0.0585 | |||
| CMC / Commercial Metals Company | 0.06 | -24.06 | 3.04 | -19.28 | 0.4337 | -0.1573 | |||
| MTSI / MACOM Technology Solutions Holdings, Inc. | 0.02 | 3.03 | 0.4331 | 0.4331 | |||||
| BCC / Boise Cascade Company | 0.03 | 42.25 | 3.03 | 25.88 | 0.4322 | 0.0546 | |||
| SRRK / Scholar Rock Holding Corporation | 0.08 | 0.00 | 2.99 | 10.18 | 0.4269 | 0.0006 | |||
| WH / Wyndham Hotels & Resorts, Inc. | 0.04 | -40.16 | 2.98 | -46.30 | 0.4254 | -0.4463 | |||
| CRNX / Crinetics Pharmaceuticals, Inc. | 0.10 | -4.11 | 2.96 | -17.77 | 0.4223 | -0.1427 | |||
| ACVA / ACV Auctions Inc. | 0.18 | -26.33 | 2.94 | -15.19 | 0.4203 | -0.1249 | |||
| U / Unity Software Inc. | 0.12 | 2.94 | 0.4198 | 0.4198 | |||||
| SEZL / Sezzle Inc. | 0.02 | 2.93 | 0.4188 | 0.4188 | |||||
| ZETA / Zeta Global Holdings Corp. | 0.19 | 2.92 | 0.4171 | 0.4171 | |||||
| JAMF / Jamf Holding Corp. | 0.29 | -7.32 | 2.77 | -27.46 | 0.3954 | -0.2043 | |||
| KYMR / Kymera Therapeutics, Inc. | 0.06 | 0.00 | 2.73 | 59.52 | 0.3901 | 0.1209 | |||
| APPF / AppFolio, Inc. | 0.01 | -18.70 | 2.66 | -14.85 | 0.3800 | -0.1110 | |||
| ACHC / Acadia Healthcare Company, Inc. | 0.12 | 43.46 | 2.65 | 7.37 | 0.3788 | -0.0094 | |||
| GDYN / Grid Dynamics Holdings, Inc. | 0.22 | 12.25 | 2.54 | -17.14 | 0.3631 | -0.1191 | |||
| ACHR / Archer Aviation Inc. | 0.22 | 43.38 | 2.44 | 118.76 | 0.3482 | 0.1731 | |||
| KGS / Kodiak Gas Services, Inc. | 0.07 | 0.00 | 2.39 | -8.11 | 0.3415 | -0.0674 | |||
| IRON / Disc Medicine, Inc. | 0.04 | 3.58 | 2.37 | 10.54 | 0.3386 | 0.0015 | |||
| TMDX / TransMedics Group, Inc. | 0.02 | 0.89 | 2.32 | 101.04 | 0.3311 | 0.1498 | |||
| GENI / Genius Sports Limited | 0.21 | 2.19 | 0.3125 | 0.3125 | |||||
| CGON / CG Oncology, Inc. | 0.08 | 10.69 | 2.17 | 17.51 | 0.3106 | 0.0198 | |||
| SDHC / Smith Douglas Homes Corp. | 0.10 | 0.00 | 2.01 | -0.50 | 0.2870 | -0.0304 | |||
| APGE / Apogee Therapeutics, Inc. | 0.04 | 0.00 | 1.89 | 16.27 | 0.2706 | 0.0145 | |||
| FOLD / Amicus Therapeutics, Inc. | 0.33 | 0.00 | 1.88 | -29.79 | 0.2683 | -0.1521 | |||
| CLDX / Celldex Therapeutics, Inc. | 0.09 | -24.96 | 1.88 | -15.84 | 0.2680 | -0.0824 | |||
| IONS / Ionis Pharmaceuticals, Inc. | 0.05 | 0.00 | 1.83 | 30.92 | 0.2608 | 0.0417 | |||
| CYTK / Cytokinetics, Incorporated | 0.05 | -7.96 | 1.80 | -24.33 | 0.2573 | -0.1168 | |||
| RVMD / Revolution Medicines, Inc. | 0.05 | -54.01 | 1.71 | -52.17 | 0.2437 | -0.3166 | |||
| RARE / Ultragenyx Pharmaceutical Inc. | 0.04 | 0.00 | 1.46 | 0.41 | 0.2079 | -0.0199 | |||
| PCVX / Vaxcyte, Inc. | 0.04 | -59.32 | 1.37 | -64.97 | 0.1954 | -0.4184 | |||
| SYRE / Spyre Therapeutics, Inc. | 0.08 | 26.25 | 1.27 | 17.08 | 0.1813 | 0.0110 | |||
| GPCR / Structure Therapeutics Inc. - Depositary Receipt (Common Stock) | 0.05 | 0.00 | 1.04 | 19.79 | 0.1488 | 0.0122 | |||
| SPNT / SiriusPoint Ltd. | 0.05 | 68.02 | 1.01 | 98.23 | 0.1439 | 0.0640 | |||
| MBX / MBX Biosciences, Inc. | 0.08 | 0.00 | 0.88 | 54.75 | 0.1256 | 0.0362 | |||
| SFM / Sprouts Farmers Market, Inc. | 0.00 | -100.00 | 0.00 | -100.00 | -1.0909 | ||||
| RKLB / Rocket Lab Corporation | 0.00 | -100.00 | 0.00 | -100.00 | -0.2003 |
