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 |
|---|---|---|---|---|
| 201 | Cinemark Holdings Inc | 35,307 | 1M $ | 0.19 % |
| 202 | First Interstate BancSystem Inc | 30,111 | 1M $ | 0.19 % |
| 203 | Seacoast Banking Corp of Florida | 33,128 | 1M $ | 0.19 % |
| 204 | American States Water Co | 13,242 | 1M $ | 0.19 % |
| 205 | Iridium Communications Inc | 35,905 | 996K $ | 0.19 % |
| 206 | Dorman Products Inc | 9,511 | 992.6K $ | 0.19 % |
| 207 | First Financial Bancorp | 35,408 | 987.2K $ | 0.19 % |
| 208 | Freshpet Inc | 16,697 | 984.5K $ | 0.19 % |
| 209 | Axcelis Technologies Inc | 10,503 | 977.6K $ | 0.19 % |
| 210 | NMI Holdings Inc | 26,015 | 975.8K $ | 0.19 % |
| 211 | Catalyst Pharmaceuticals Inc | 39,361 | 974.6K $ | 0.19 % |
| 212 | Griffon Corp | 13,390 | 973.2K $ | 0.19 % |
| 213 | Power Integrations Inc | 18,990 | 972.3K $ | 0.18 % |
| 214 | Cushman & Wakefield Ltd | 79,248 | 971.6K $ | 0.18 % |
| 215 | MGE Energy Inc | 12,499 | 966K $ | 0.18 % |
| 216 | Ultra Clean Holdings Inc | 15,529 | 965.6K $ | 0.18 % |
| 217 | RingCentral Inc | 25,939 | 964.7K $ | 0.18 % |
| 218 | Simmons First National Corp | 49,546 | 963.7K $ | 0.18 % |
| 219 | Boise Cascade Co | 12,675 | 961.4K $ | 0.18 % |
| 220 | Prestige Consumer Healthcare Inc | 16,192 | 959.7K $ | 0.18 % |
| 221 | ACADIA Pharmaceuticals Inc | 42,833 | 953.5K $ | 0.18 % |
| 222 | Western Union Co/The | 108,751 | 949.4K $ | 0.18 % |
| 223 | Waystar Holding Corp | 39,264 | 946.7K $ | 0.18 % |
| 224 | Cargurus Inc | 27,792 | 946.3K $ | 0.18 % |
| 225 | Provident Financial Services Inc | 44,690 | 945.6K $ | 0.18 % |
| 226 | Impinj Inc | 9,188 | 943.6K $ | 0.18 % |
| 227 | Kennametal Inc | 26,071 | 941.9K $ | 0.18 % |
| 228 | WD-40 Co | 4,614 | 941K $ | 0.18 % |
| 229 | United Natural Foods Inc | 20,847 | 939.4K $ | 0.18 % |
| 230 | LXP Industrial Trust | 20,220 | 935.4K $ | 0.18 % |
| 231 | California Water Service Group | 20,386 | 924.3K $ | 0.18 % |
| 232 | Hayward Holdings Inc | 68,261 | 913.3K $ | 0.17 % |
| 233 | American Eagle Outfitters Inc | 53,937 | 900.7K $ | 0.17 % |
| 234 | Adeia Inc | 37,465 | 900.3K $ | 0.17 % |
| 235 | Park National Corp | 5,503 | 899.5K $ | 0.17 % |
| 236 | SL Green Realty Corp | 24,349 | 899.5K $ | 0.17 % |
| 237 | IAC Inc | 22,305 | 892.9K $ | 0.17 % |
| 238 | Four Corners Property Trust Inc | 37,557 | 888.2K $ | 0.17 % |
| 239 | Phinia Inc | 12,965 | 887.3K $ | 0.17 % |
| 240 | Red Rock Resorts Inc | 16,607 | 886.1K $ | 0.17 % |
| 241 | Trinity Industries Inc | 27,436 | 882.9K $ | 0.17 % |
| 242 | Acushnet Holdings Corp | 9,438 | 882.3K $ | 0.17 % |
| 243 | Artisan Partners Asset Management Inc | 24,119 | 877.7K $ | 0.17 % |
| 244 | Ingevity Corp | 12,306 | 876.6K $ | 0.17 % |
| 245 | Hawaiian Electric Industries Inc | 59,065 | 876.5K $ | 0.17 % |
| 246 | Concentra Group Holdings Parent Inc | 40,782 | 874.8K $ | 0.17 % |
| 247 | Veracyte Inc | 27,047 | 871.2K $ | 0.17 % |
| 248 | Apple Hospitality REIT Inc | 75,302 | 866.7K $ | 0.16 % |
| 249 | Robert Half Inc | 34,004 | 863.7K $ | 0.16 % |
| 250 | Urban Edge Properties | 43,111 | 861.4K $ | 0.16 % |
| 251 | Beacon Financial Corp | 28,672 | 860.2K $ | 0.16 % |
| 252 | Acadia Realty Trust | 44,849 | 857.5K $ | 0.16 % |
| 253 | St Joe Co/The | 13,632 | 856.1K $ | 0.16 % |
| 254 | Curbline Properties Corp | 33,155 | 855.1K $ | 0.16 % |
| 255 | Cheesecake Factory Inc/The | 15,616 | 855K $ | 0.16 % |
| 256 | Trustmark Corp | 20,063 | 845.5K $ | 0.16 % |
| 257 | CVB Financial Corp | 43,602 | 845.4K $ | 0.16 % |
| 258 | Steven Madden Ltd | 24,862 | 843.3K $ | 0.16 % |
| 259 | Andersons Inc/The | 11,496 | 825.2K $ | 0.16 % |
| 260 | RXO Inc | 56,175 | 821.3K $ | 0.16 % |
| 261 | Teradata Corp | 31,886 | 817.2K $ | 0.16 % |
| 262 | Photronics Inc | 20,209 | 816.6K $ | 0.16 % |
| 263 | WaFd Inc | 25,961 | 815.2K $ | 0.16 % |
| 264 | Privia Health Group Inc | 39,542 | 813.4K $ | 0.15 % |
| 265 | Banc of California Inc | 45,931 | 807.5K $ | 0.15 % |
| 266 | Highwoods Properties Inc | 37,625 | 805.6K $ | 0.15 % |
| 267 | Mercury General Corp | 9,097 | 801.9K $ | 0.15 % |
| 268 | OneSpaWorld Holdings Ltd | 34,865 | 800.2K $ | 0.15 % |
| 269 | First Bancorp/Southern Pines NC | 14,189 | 799.6K $ | 0.15 % |
| 270 | HNI Corp | 23,726 | 792.2K $ | 0.15 % |
| 271 | GEO Group Inc/The | 46,778 | 786.3K $ | 0.15 % |
| 272 | Medical Properties Trust Inc | 168,769 | 781.4K $ | 0.15 % |
| 273 | Sarepta Therapeutics Inc | 35,851 | 780.1K $ | 0.15 % |
| 274 | Verra Mobility Corp | 54,589 | 780.1K $ | 0.15 % |
| 275 | LeMaitre Vascular Inc | 7,141 | 779.6K $ | 0.15 % |
| 276 | Bancorp Inc/The | 14,491 | 778.6K $ | 0.15 % |
| 277 | ABM Industries Inc | 20,051 | 772.4K $ | 0.15 % |
| 278 | Perdoceo Education Corp | 20,678 | 769.4K $ | 0.15 % |
| 279 | BancFirst Corp | 7,091 | 769.4K $ | 0.15 % |
| 280 | SiriusPoint Ltd | 35,574 | 766.3K $ | 0.15 % |
| 281 | NBT Bancorp Inc | 17,897 | 762.1K $ | 0.14 % |
| 282 | Vishay Intertechnology Inc | 42,256 | 760.6K $ | 0.14 % |
| 283 | Alpha Metallurgical Resources Inc | 3,695 | 758.5K $ | 0.14 % |
| 284 | DNOW Inc | 63,519 | 756.5K $ | 0.14 % |
| 285 | Northwest Natural Holding Co | 14,198 | 755.6K $ | 0.14 % |
| 286 | Customers Bancorp Inc | 10,880 | 755.2K $ | 0.14 % |
| 287 | Kinetik Holdings Inc | 15,553 | 752.9K $ | 0.14 % |
| 288 | ArcBest Corp | 7,648 | 752.3K $ | 0.14 % |
| 289 | Minerals Technologies Inc | 10,580 | 750.3K $ | 0.14 % |
| 290 | H2O America | 12,779 | 749.7K $ | 0.14 % |
| 291 | Hub Group Inc | 20,727 | 747K $ | 0.14 % |
| 292 | Knowles Corp | 29,073 | 746.6K $ | 0.14 % |
| 293 | NetScout Systems Inc | 23,468 | 746K $ | 0.14 % |
| 294 | Cleanspark Inc | 87,493 | 744.6K $ | 0.14 % |
| 295 | CSG Systems International Inc | 9,241 | 738.7K $ | 0.14 % |
| 296 | Acadia Healthcare Co Inc | 31,562 | 738.2K $ | 0.14 % |
| 297 | Chefs' Warehouse Inc/The | 12,388 | 736.5K $ | 0.14 % |
| 298 | Alarm.com Holdings Inc | 17,050 | 736.4K $ | 0.14 % |
| 299 | FMC Corp | 42,742 | 736K $ | 0.14 % |
| 300 | ADMA Biologics Inc | 81,426 | 733.6K $ | 0.14 % |