Index 400 Stock Portfolio
Registrant
NORTHWESTERN MUTUAL SERIES FUND INC
Net Assets
$1,704,046,358
Holdings
383
Latest Report
Jun 30, 2026
Net Assets Over Time
Holdings · 383
Export CSV
Portfolio coverage: 383 of
402 reported positions.
Showing 1–50
of 383 holdings by value
· page 1 of 8
| Holding | Symbol | Balance | Value | % of Fund | Side | Category | Open |
|---|---|---|---|---|---|---|---|
| Twilio Inc | TWLO | 70,421 | $14,529,965 | 0.85% | Long | EC | |
| Carpenter Technology Corp | CRS | 23,060 | $14,224,330 | 0.83% | Long | EC | |
| MKS Inc | MKSI | 31,311 | $13,927,133 | 0.82% | Long | EC | |
| Curtiss-Wright Corp | CW | 17,120 | $12,972,851 | 0.76% | Long | EC | |
| Entegris Inc | ENTG | 70,714 | $12,718,620 | 0.75% | Long | EC | |
| ATI Inc | ATI | 63,339 | $12,484,117 | 0.73% | Long | EC | |
| Illumina Inc | ILMN | 70,230 | $12,348,541 | 0.72% | Long | EC | |
| Sterling Infrastructure Inc | STRL | 14,244 | $11,955,844 | 0.70% | Long | EC | |
| MasTec Inc | MTZ | 28,563 | $11,883,922 | 0.70% | Long | EC | |
| Woodward Inc | WWD | 27,627 | $11,753,631 | 0.69% | Long | EC | |
| MACOM Technology Solutions Holdings Inc | MTSI | 30,424 | $11,572,377 | 0.68% | Long | EC | |
| Everpure Inc | P | 146,285 | $11,525,795 | 0.68% | Long | EC | |
| XPO Inc | XPO | 54,434 | $11,174,756 | 0.66% | Long | EC | |
| United Therapeutics Corp | UTHR | 19,676 | $10,661,047 | 0.63% | Long | EC | |
| Okta Inc | OKTA | 77,824 | $10,619,085 | 0.62% | Long | EC | |
| US Foods Holding Corp | USFD | 102,235 | $10,453,529 | 0.61% | Long | EC | |
| RB Global Inc | RBA | 86,344 | $10,054,759 | 0.59% | Long | EC | |
| Lattice Semiconductor Corp | LSCC | 63,514 | $9,715,101 | 0.57% | Long | EC | |
| RBC Bearings Inc | RBC | 14,613 | $9,411,649 | 0.55% | Long | EC | |
| TD SYNNEX Corp | SNX | 34,654 | $9,264,400 | 0.54% | Long | EC | |
| Burlington Stores Inc | BURL | 29,120 | $9,225,216 | 0.54% | Long | EC | |
| TTM Technologies Inc | TTMI | 48,145 | $9,004,078 | 0.53% | Long | EC | |
| Reliance Inc | RS | 23,679 | $8,846,474 | 0.52% | Long | EC | |
| Onto Innovation Inc | ONTO | 23,093 | $8,739,546 | 0.51% | Long | EC | |
| Roku Inc | ROKU | 60,783 | $8,396,564 | 0.49% | Long | EC | |
| BWX Technologies Inc | BWXT | 42,526 | $8,277,686 | 0.49% | Long | EC | |
| Nextpower Inc | NXT | 68,927 | $8,211,963 | 0.48% | Long | EC | |
| ITT Inc | ITT | 41,489 | $8,204,865 | 0.48% | Long | EC | |
| East West Bancorp Inc | EWBC | 63,483 | $8,195,020 | 0.48% | Long | EC | |
| Performance Food Group Co | PFGC | 72,874 | $8,146,584 | 0.48% | Long | EC | |
| Talen Energy Corp | TLN | 21,071 | $8,096,742 | 0.48% | Long | EC | |
| Neurocrine Biosciences Inc | NBIX | 46,675 | $7,866,371 | 0.46% | Long | EC | |
| Coeur Mining Inc | CDE | 480,124 | $7,835,624 | 0.46% | Long | EC | |
| WESCO International Inc | WCC | 22,571 | $7,796,701 | 0.46% | Long | EC | |
| SiTime Corp | SITM | 10,297 | $7,677,031 | 0.45% | Long | EC | |
| Somnigroup International Inc | SGI | 97,622 | $7,653,565 | 0.45% | Long | EC | |
| Annaly Capital Management Inc | NLY | 339,966 | $7,601,640 | 0.45% | Long | EC | |
| API Group Corp | APG | 178,940 | $7,578,109 | 0.44% | Long | EC | |
| Royal Gold Inc | RGLD | 37,786 | $7,542,463 | 0.44% | Long | EC | |
| Tenet Healthcare Corp | THC | 39,980 | $7,479,458 | 0.44% | Long | EC | |
| WP Carey Inc | WPC | 103,455 | $7,397,033 | 0.43% | Long | EC | |
| Regal Rexnord Corp | RRX | 30,861 | $7,350,782 | 0.43% | Long | EC | |
| Toll Brothers Inc | TOL | 43,853 | $7,224,782 | 0.42% | Long | EC | |
| Dycom Industries Inc | DY | 13,936 | $7,045,902 | 0.41% | Long | EC | |
| Pinnacle Financial Partners Inc | PNFP | 69,707 | $7,032,042 | 0.41% | Long | EC | |
| Semtech Corp | SMTC | 43,229 | $6,996,614 | 0.41% | Long | EC | |
| DT Midstream Inc | DTM | 47,283 | $6,938,307 | 0.41% | Long | EC | |
| Aramark | ARMK | 121,923 | $6,937,419 | 0.41% | Long | EC | |
| Dick's Sporting Goods Inc | DKS | 30,509 | $6,919,746 | 0.41% | Long | EC | |
| Clean Harbors Inc | CLH | 23,008 | $6,873,640 | 0.40% | Long | EC |
Showing the top 50 of 383 holdings. Create a free account to see every holding and download the CSV.