Mid Cap Growth Stock Portfolio
NORTHWESTERN MUTUAL SERIES FUND INC

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
109
Top-10 weight
28.00%
Effective holdings ?
67
Crowding ?
813.8

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 HOWMET AEROSPACE INC 144,513 $33.30M 3.47%
2 HILTON WORLDWIDE HOLDINGS INC 108,303 $32.93M 3.43%
3 VERTIV HOLDINGS CO 129,057 $32.34M 3.37%
4 ROYAL CARIBBEAN CRUISES LTD 108,652 $29.90M 3.12%
5 QUANTA SVCS INC 50,762 $27.87M 2.90%
6 COMFORT SYSTEMS USA INC 17,839 $24.60M 2.56%
7 CENCORA INC 76,295 $23.97M 2.50%
8 INSMED INC 131,668 $21.53M 2.24%
9 CLOUDFLARE INC-A 103,668 $21.39M 2.23%
10 ALNYLAM PHARMACEUTICALS INC 59,550 $19.70M 2.05%
11 CHENIERE ENERGY INC 59,489 $16.88M 1.76%
12 CARVANA CO CL A 53,419 $16.79M 1.75%
13 BURLINGTON STORES INC 46,796 $15.23M 1.59%
14 NATERA INC 71,780 $14.36M 1.50%
15 NEUROCRINE BIOSCIENCES INC 101,844 $13.42M 1.40%
16 MSCI INC 24,723 $13.33M 1.39%
17 LIVE NATION ENTERTAINMENT INC 87,341 $13.32M 1.39%
18 DATADOG INC CL A 112,473 $13.28M 1.38%
19 VISTRA CORP 87,048 $13.09M 1.36%
20 WILLIAMS COS INC 175,285 $12.76M 1.33%
21 HEICO CORP CL A 57,914 $12.23M 1.27%
22 TAKE-TWO INTERACTV SOFTWR INC 60,185 $11.89M 1.24%
23 FTAI AVIATION LTD 48,374 $11.85M 1.24%
24 VEEVA SYSTEMS-A 66,437 $11.67M 1.22%
25 IDEXX LABS INC 20,224 $11.36M 1.18%
26 MONOLITHIC POWER SYS INC 10,322 $11.29M 1.18%
27 CBRE GROUP INC - CL A 79,312 $10.74M 1.12%
28 ITT INC 56,304 $10.73M 1.12%
29 TEMPUR SEALY INTERNATIONAL INC 144,189 $10.66M 1.11%
30 CASEY'S GENERAL 14,217 $10.35M 1.08%
31 ULTA BEAUTY INC 19,388 $10.13M 1.06%
32 ROBLOX CORP - A 178,107 $10.07M 1.05%
33 CIENA CORP 25,307 $9.82M 1.02%
34 PERFORMANCE FOOD GROUP CO 111,357 $9.54M 0.99%
35 DEXCOM INC 151,491 $9.51M 0.99%
36 ON SEMICONDUCTOR CORP 151,126 $9.36M 0.98%
37 TELEDYNE TECHNOLOGIES INC 15,112 $9.14M 0.95%
38 AMETEK INC NEW 42,629 $9.14M 0.95%
39 BWX TECHNOLOGIES INC 44,631 $9.13M 0.95%
40 RAYMOND JAMES FINANCIAL INC. 62,642 $9.07M 0.95%
41 EOG RESOURCES INC 61,735 $8.93M 0.93%
42 AUTOZONE INC 2,629 $8.88M 0.93%
43 TERADYNE INC 29,207 $8.66M 0.90%
44 FABRINET 16,271 $8.49M 0.88%
45 REDDIT INC-A 61,172 $8.24M 0.86%
46 AXON ENTERPRISE INC 19,072 $8.10M 0.84%
47 ROLLINS INC 148,656 $7.94M 0.83%
48 BROADRIDGE FINL 47,754 $7.76M 0.81%
49 HUBSPOT INC 29,895 $7.30M 0.76%
50 TWILIO INC CLASS A 56,191 $7.07M 0.74%
1 / 3 Next ›

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.