Holdings of Index 600 Stock Portfolio
NORTHWESTERN MUTUAL SERIES FUND INC ·603 declared positions · as of Mar 31, 2026
Original filing · Net assets 525.9M $ · Ten largest lines: 5 % of the equity sleeve
Sector breakdown
- Unattributed 100.0 %
Titelia classification, company by company. The unattributed share stays visible.
Currency breakdown
- USD 100.0 %
The quoted currency of each line, as declared.
Country breakdown
- US 96.9 %
- GB 0.8 %
- BM 0.6 %
- IE 0.6 %
- PR 0.5 %
- MH 0.3 %
- KY 0.2 %
- BS 0.2 %
Shares computed on the equity sleeve.
| Rank | Country | Lines | Value | Share |
|---|---|---|---|---|
| 1 | US | 586 | 506M $ | 96.92 % |
| 2 | GB | 2 | 4.1M $ | 0.78 % |
| 3 | BM | 4 | 3.3M $ | 0.64 % |
| 4 | IE | 3 | 3M $ | 0.58 % |
| 5 | PR | 3 | 2.4M $ | 0.45 % |
| 6 | MH | 2 | 1.4M $ | 0.28 % |
| 7 | KY | 2 | 1M $ | 0.19 % |
| 8 | BS | 1 | 800.2K $ | 0.15 % |
Positions
| Rank | Company | Shares | Value | Weight |
|---|---|---|---|---|
| 301 | DXC Technology Co | 58,081 | 730.1K $ | 0.14 % |
| 302 | SPS Commerce Inc | 12,900 | 718.1K $ | 0.14 % |
| 303 | FB Financial Corp | 13,814 | 717.5K $ | 0.14 % |
| 304 | Amneal Pharmaceuticals Inc | 57,709 | 717.3K $ | 0.14 % |
| 305 | Vita Coco Co Inc/The | 14,970 | 717.2K $ | 0.14 % |
| 306 | ACM Research Inc | 18,226 | 717.2K $ | 0.14 % |
| 307 | Insight Enterprises Inc | 10,604 | 710.6K $ | 0.14 % |
| 308 | Banner Corp | 11,672 | 708.3K $ | 0.13 % |
| 309 | National Vision Holdings Inc | 27,139 | 702.9K $ | 0.13 % |
| 310 | Veeco Instruments Inc | 20,630 | 698.5K $ | 0.13 % |
| 311 | Extreme Networks Inc | 45,945 | 692.9K $ | 0.13 % |
| 312 | Neogen Corp | 74,425 | 691.4K $ | 0.13 % |
| 313 | Benchmark Electronics Inc | 12,216 | 684.8K $ | 0.13 % |
| 314 | Talos Energy Inc | 43,039 | 678.3K $ | 0.13 % |
| 315 | National HealthCare Corp | 4,247 | 678.2K $ | 0.13 % |
| 316 | ePlus Inc | 8,945 | 673.1K $ | 0.13 % |
| 317 | Green Brick Partners Inc | 10,432 | 672.3K $ | 0.13 % |
| 318 | Pathward Financial Inc | 7,447 | 664.5K $ | 0.13 % |
| 319 | Callaway Golf Co | 47,826 | 663.8K $ | 0.13 % |
| 320 | Kaiser Aluminum Corp | 5,493 | 662K $ | 0.13 % |
| 321 | Strategic Education Inc | 7,949 | 659.4K $ | 0.13 % |
| 322 | Enerpac Tool Group Corp | 18,057 | 658.5K $ | 0.13 % |
| 323 | Penn Entertainment Inc | 43,569 | 654.8K $ | 0.12 % |
| 324 | DiamondRock Hospitality Co | 69,712 | 653.2K $ | 0.12 % |
| 325 | CoreCivic Inc | 34,232 | 647.3K $ | 0.12 % |
| 326 | ARMOUR Residential REIT Inc | 38,271 | 638.4K $ | 0.12 % |
| 327 | Stewart Information Services Corp | 10,343 | 636.9K $ | 0.12 % |
| 328 | Northwest Bancshares Inc | 49,905 | 633.3K $ | 0.12 % |
| 329 | BlackLine Inc | 17,094 | 632.5K $ | 0.12 % |
| 330 | Global Net Lease Inc | 67,162 | 628.6K $ | 0.12 % |
| 331 | Arcus Biosciences Inc | 29,004 | 626.5K $ | 0.12 % |
| 332 | Agilysys Inc | 8,748 | 622.3K $ | 0.12 % |
| 333 | Innospec Inc | 8,482 | 619.4K $ | 0.12 % |
| 334 | EVERTEC Inc | 21,880 | 617.5K $ | 0.12 % |
| 335 | Marriott Vacations Worldwide Corp | 9,473 | 616.9K $ | 0.12 % |
| 336 | Digi International Inc | 12,796 | 616.8K $ | 0.12 % |
| 337 | First Commonwealth Financial Corp | 35,076 | 616.6K $ | 0.12 % |
| 338 | Six Flags Entertainment Corp | 34,714 | 616.2K $ | 0.12 % |
| 339 | Pediatrix Medical Group Inc | 28,803 | 616.1K $ | 0.12 % |
| 340 | Select Medical Holdings Corp | 37,702 | 614.2K $ | 0.12 % |
| 341 | Kemper Corp | 20,091 | 614K $ | 0.12 % |
| 342 | Rogers Corp | 5,679 | 609.5K $ | 0.12 % |
| 343 | Alamo Group Inc | 3,685 | 607.9K $ | 0.12 % |
| 344 | DXP Enterprises Inc/TX | 4,345 | 607.1K $ | 0.12 % |
| 345 | LTC Properties Inc | 16,299 | 605.7K $ | 0.12 % |
| 346 | National Bank Holdings Corp | 15,418 | 603.8K $ | 0.11 % |
| 347 | Werner Enterprises Inc | 20,434 | 601K $ | 0.11 % |
| 348 | OFG Bancorp | 14,801 | 598.8K $ | 0.11 % |
| 349 | Getty Realty Corp | 18,831 | 598.8K $ | 0.11 % |
| 350 | Horace Mann Educators Corp | 13,926 | 594.4K $ | 0.11 % |
| 351 | City Holding Co | 4,933 | 589.6K $ | 0.11 % |
| 352 | Cohen & Steers Inc | 9,424 | 589.5K $ | 0.11 % |
| 353 | Sunstone Hotel Investors Inc | 64,910 | 584.8K $ | 0.11 % |
| 354 | Addus HomeCare Corp | 6,239 | 584.3K $ | 0.11 % |
| 355 | CorVel Corp | 10,672 | 583.2K $ | 0.11 % |
| 356 | Quaker Chemical Corp | 4,688 | 582.4K $ | 0.11 % |
| 357 | Uniti Group Inc | 61,321 | 575.2K $ | 0.11 % |
| 358 | LiveRamp Holdings Inc | 21,589 | 572.5K $ | 0.11 % |
| 359 | WisdomTree Inc | 39,312 | 572.4K $ | 0.11 % |
| 360 | Stellar Bancorp Inc | 15,630 | 572.2K $ | 0.11 % |
| 361 | Comstock Resources Inc | 27,072 | 570.7K $ | 0.11 % |
| 362 | HCI Group Inc | 3,675 | 568.2K $ | 0.11 % |
| 363 | Interparfums Inc | 6,252 | 567.9K $ | 0.11 % |
| 364 | Ziff Davis Inc | 13,516 | 567.1K $ | 0.11 % |
| 365 | Innoviva Inc | 24,304 | 566.3K $ | 0.11 % |
| 366 | ASGN Inc | 14,610 | 565.6K $ | 0.11 % |
| 367 | A10 Networks Inc | 24,452 | 565.3K $ | 0.11 % |
| 368 | Central Garden & Pet Co | 17,434 | 565.2K $ | 0.11 % |
| 369 | Pitney Bowes Inc | 50,665 | 559.8K $ | 0.11 % |
| 370 | Vericel Corp | 17,303 | 556.6K $ | 0.11 % |
| 371 | Greenbrier Cos Inc/The | 10,568 | 556.4K $ | 0.11 % |
| 372 | Worthington Enterprises Inc | 10,642 | 554.9K $ | 0.11 % |
| 373 | Sonos Inc | 41,291 | 553.3K $ | 0.11 % |
| 374 | ZoomInfo Technologies Inc | 91,903 | 549.6K $ | 0.10 % |
| 375 | O-I Glass Inc | 52,140 | 548K $ | 0.10 % |
| 376 | Ichor Holdings Ltd | 11,752 | 547.8K $ | 0.10 % |
| 377 | Adient PLC | 26,791 | 541.4K $ | 0.10 % |
| 378 | Enviri Corp | 27,595 | 541.4K $ | 0.10 % |
| 379 | Douglas Emmett Inc | 56,930 | 536.3K $ | 0.10 % |
| 380 | S&T Bancorp Inc | 12,802 | 535.5K $ | 0.10 % |
| 381 | Encore Capital Group Inc | 7,632 | 535.2K $ | 0.10 % |
| 382 | Organon & Co | 88,956 | 532.8K $ | 0.10 % |
| 383 | Artivion Inc | 14,417 | 528K $ | 0.10 % |
| 384 | John Wiley & Sons Inc | 13,783 | 525.1K $ | 0.10 % |
| 385 | Veris Residential Inc | 27,757 | 523.8K $ | 0.10 % |
| 386 | Buckle Inc/The | 10,296 | 518.5K $ | 0.10 % |
| 387 | Walker & Dunlop Inc | 11,656 | 517.3K $ | 0.10 % |
| 388 | Arbor Realty Trust Inc | 66,958 | 516.2K $ | 0.10 % |
| 389 | Arlo Technologies Inc | 36,259 | 516K $ | 0.10 % |
| 390 | Albany International Corp | 9,819 | 512.6K $ | 0.10 % |
| 391 | Omnicell Inc | 15,355 | 512.5K $ | 0.10 % |
| 392 | Hilltop Holdings Inc | 14,269 | 511.1K $ | 0.10 % |
| 393 | UFP Technologies Inc | 2,639 | 510.9K $ | 0.10 % |
| 394 | EZCORP Inc | 19,981 | 507.1K $ | 0.10 % |
| 395 | Perrigo Co PLC | 47,092 | 505.8K $ | 0.10 % |
| 396 | Ellington Financial Inc | 42,652 | 505.4K $ | 0.10 % |
| 397 | Kohl's Corp | 38,627 | 498.3K $ | 0.09 % |
| 398 | Interface Inc | 19,981 | 497.9K $ | 0.09 % |
| 399 | Century Communities Inc | 8,652 | 496.5K $ | 0.09 % |
| 400 | Lakeland Financial Corp | 8,630 | 495.2K $ | 0.09 % |