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 |
|---|---|---|---|---|
| 101 | Life Time Group Holdings Inc | 52,046 | 1.4M $ | 0.27 % |
| 102 | Merit Medical Systems Inc | 20,288 | 1.4M $ | 0.27 % |
| 103 | Rush Enterprises Inc | 20,750 | 1.4M $ | 0.26 % |
| 104 | Amentum Holdings Inc | 52,579 | 1.4M $ | 0.26 % |
| 105 | Peabody Energy Corp | 41,605 | 1.4M $ | 0.26 % |
| 106 | Covista Inc | 11,806 | 1.4M $ | 0.26 % |
| 107 | Tri Pointe Homes Inc | 28,902 | 1.4M $ | 0.26 % |
| 108 | Ligand Pharmaceuticals Inc | 6,718 | 1.3M $ | 0.26 % |
| 109 | Tanger Inc | 39,296 | 1.3M $ | 0.25 % |
| 110 | Group 1 Automotive Inc | 4,036 | 1.3M $ | 0.25 % |
| 111 | RadNet Inc | 23,832 | 1.3M $ | 0.25 % |
| 112 | Outfront Media Inc | 49,782 | 1.3M $ | 0.25 % |
| 113 | Tidewater Inc | 15,771 | 1.3M $ | 0.25 % |
| 114 | Mercury Systems Inc | 18,068 | 1.3M $ | 0.25 % |
| 115 | Frontdoor Inc | 24,670 | 1.3M $ | 0.25 % |
| 116 | Indivior Pharmaceuticals Inc | 42,717 | 1.3M $ | 0.25 % |
| 117 | PriceSmart Inc | 8,637 | 1.3M $ | 0.25 % |
| 118 | Asbury Automotive Group Inc | 6,651 | 1.3M $ | 0.25 % |
| 119 | United Community Banks Inc/GA | 41,071 | 1.3M $ | 0.25 % |
| 120 | Dana Inc | 38,414 | 1.3M $ | 0.25 % |
| 121 | Corcept Therapeutics Inc | 32,030 | 1.3M $ | 0.25 % |
| 122 | Academy Sports & Outdoors Inc | 22,814 | 1.3M $ | 0.24 % |
| 123 | Cavco Industries Inc | 2,655 | 1.3M $ | 0.24 % |
| 124 | Patterson-UTI Energy Inc | 118,184 | 1.3M $ | 0.24 % |
| 125 | AZZ Inc | 10,215 | 1.3M $ | 0.24 % |
| 126 | Independent Bank Corp | 16,961 | 1.3M $ | 0.24 % |
| 127 | Victoria's Secret & Co | 27,464 | 1.3M $ | 0.24 % |
| 128 | Stride Inc | 14,377 | 1.3M $ | 0.24 % |
| 129 | Patrick Industries Inc | 11,387 | 1.3M $ | 0.24 % |
| 130 | SkyWest Inc | 13,722 | 1.3M $ | 0.24 % |
| 131 | Otter Tail Corp | 14,337 | 1.3M $ | 0.24 % |
| 132 | Sensient Technologies Corp | 14,536 | 1.3M $ | 0.24 % |
| 133 | ServisFirst Bancshares Inc | 17,194 | 1.3M $ | 0.24 % |
| 134 | Fulton Financial Corp | 61,564 | 1.3M $ | 0.24 % |
| 135 | UniFirst Corp/MA | 4,968 | 1.2M $ | 0.24 % |
| 136 | Helmerich & Payne Inc | 34,166 | 1.2M $ | 0.23 % |
| 137 | Kontoor Brands Inc | 17,500 | 1.2M $ | 0.23 % |
| 138 | Shake Shack Inc | 13,771 | 1.2M $ | 0.23 % |
| 139 | Cal-Maine Foods Inc | 15,325 | 1.2M $ | 0.23 % |
| 140 | BGC Group Inc | 124,023 | 1.2M $ | 0.23 % |
| 141 | Brady Corp | 14,929 | 1.2M $ | 0.23 % |
| 142 | Assured Guaranty Ltd | 14,825 | 1.2M $ | 0.23 % |
| 143 | Franklin Electric Co Inc | 13,097 | 1.2M $ | 0.23 % |
| 144 | Oceaneering International Inc | 33,973 | 1.2M $ | 0.23 % |
| 145 | Virtu Financial Inc | 27,308 | 1.2M $ | 0.23 % |
| 146 | StepStone Group Inc | 25,143 | 1.2M $ | 0.23 % |
| 147 | WSFS Financial Corp | 18,276 | 1.2M $ | 0.23 % |
| 148 | Signet Jewelers Ltd | 13,920 | 1.2M $ | 0.22 % |
| 149 | Kadant Inc | 4,029 | 1.2M $ | 0.22 % |
| 150 | Kulicke & Soffa Industries Inc | 17,905 | 1.2M $ | 0.22 % |
| 151 | Renasant Corp | 32,374 | 1.2M $ | 0.22 % |
| 152 | Urban Outfitters Inc | 18,409 | 1.2M $ | 0.22 % |
| 153 | TransMedics Group Inc | 11,692 | 1.2M $ | 0.22 % |
| 154 | PJT Partners Inc | 8,317 | 1.2M $ | 0.22 % |
| 155 | Box Inc | 48,994 | 1.2M $ | 0.22 % |
| 156 | Enova International Inc | 8,457 | 1.1M $ | 0.22 % |
| 157 | Cathay General Bancorp | 23,001 | 1.1M $ | 0.22 % |
| 158 | HB Fuller Co | 18,587 | 1.1M $ | 0.22 % |
| 159 | ADT Inc | 173,912 | 1.1M $ | 0.22 % |
| 160 | BankUnited Inc | 25,263 | 1.1M $ | 0.22 % |
| 161 | Clearway Energy Inc | 29,032 | 1.1M $ | 0.22 % |
| 162 | First BanCorp/Puerto Rico | 53,251 | 1.1M $ | 0.22 % |
| 163 | Bread Financial Holdings Inc | 15,088 | 1.1M $ | 0.21 % |
| 164 | Chemours Co/The | 51,286 | 1.1M $ | 0.21 % |
| 165 | Crescent Energy Co | 83,135 | 1.1M $ | 0.21 % |
| 166 | Korn Ferry | 17,783 | 1.1M $ | 0.21 % |
| 167 | Avista Corp | 27,846 | 1.1M $ | 0.21 % |
| 168 | Cactus Inc | 23,555 | 1.1M $ | 0.21 % |
| 169 | Genworth Financial Inc | 136,643 | 1.1M $ | 0.21 % |
| 170 | NCR Atleos Corp | 25,284 | 1.1M $ | 0.21 % |
| 171 | Hawkins Inc | 7,151 | 1.1M $ | 0.21 % |
| 172 | M/I Homes Inc | 8,947 | 1.1M $ | 0.21 % |
| 173 | Life360 Inc | 26,821 | 1.1M $ | 0.21 % |
| 174 | ICU Medical Inc | 8,448 | 1.1M $ | 0.21 % |
| 175 | Palomar Holdings Inc | 9,066 | 1.1M $ | 0.21 % |
| 176 | Advance Auto Parts Inc | 20,536 | 1.1M $ | 0.21 % |
| 177 | WillScot Holdings Corp | 62,252 | 1.1M $ | 0.21 % |
| 178 | Par Pacific Holdings Inc | 17,207 | 1.1M $ | 0.20 % |
| 179 | Sunrun Inc | 79,395 | 1.1M $ | 0.20 % |
| 180 | Diodes Inc | 15,697 | 1.1M $ | 0.20 % |
| 181 | Sphere Entertainment Co | 9,111 | 1.1M $ | 0.20 % |
| 182 | Century Aluminum Co | 18,202 | 1.1M $ | 0.20 % |
| 183 | Victory Capital Holdings Inc | 16,242 | 1.1M $ | 0.20 % |
| 184 | OPENLANE Inc | 36,357 | 1.1M $ | 0.20 % |
| 185 | Community Financial System Inc | 18,030 | 1.1M $ | 0.20 % |
| 186 | Standex International Corp | 4,146 | 1.1M $ | 0.20 % |
| 187 | MARA Holdings Inc | 129,376 | 1.1M $ | 0.20 % |
| 188 | Integer Holdings Corp | 11,988 | 1.1M $ | 0.20 % |
| 189 | SolarEdge Technologies Inc | 20,460 | 1M $ | 0.20 % |
| 190 | Northern Oil & Gas Inc | 35,676 | 1M $ | 0.20 % |
| 191 | Blackstone Mortgage Trust Inc | 54,283 | 1M $ | 0.20 % |
| 192 | First Hawaiian Inc | 41,995 | 1M $ | 0.20 % |
| 193 | Materion Corp | 7,094 | 1M $ | 0.20 % |
| 194 | Chesapeake Utilities Corp | 8,091 | 1M $ | 0.19 % |
| 195 | LCI Industries | 8,277 | 1M $ | 0.19 % |
| 196 | Supernus Pharmaceuticals Inc | 19,619 | 1M $ | 0.19 % |
| 197 | Calix Inc | 20,636 | 1M $ | 0.19 % |
| 198 | Bank of Hawaii Corp | 13,613 | 1M $ | 0.19 % |
| 199 | International Seaways Inc | 13,859 | 1M $ | 0.19 % |
| 200 | Q2 Holdings Inc | 21,348 | 1M $ | 0.19 % |