WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2025 Filing
Filed February 11, 2026
Portfolio Value
$24.0B
Holdings
241
Report Date
Q4 2025
Filing Type
13F-HR
All Holdings (241 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | WF2WINTRUST FINL CORP | 559,762 | $78.0B | 324.93% | |
| 102 | UNHUNITEDHEALTH GROUP INC | 230,278 | $76.0B | 316.60% | |
| 103 | ONTOONTO INNOVATION INC | 483,082 | $76.0B | 316.60% | |
| 104 | BRZEBRAZE INC | 2,187,275 | $75.0B | 312.43% | |
| 105 | IM8NINSMED INC | 432,521 | $75.0B | 312.43% | |
| 106 | FICOFAIR ISAAC CORP | 44,593 | $75.0B | 312.43% | |
| 107 | JBLJABIL INC | 328,412 | $74.0B | 308.27% | |
| 108 | SAIASAIA INC | 228,751 | $74.0B | 308.27% | |
| 109 | AITAPPLIED INDL TECHNOLOGIES IN | 285,290 | $73.0B | 304.10% | |
| 110 | DHRDANAHER CORPORATION | 321,487 | $73.0B | 304.10% | |
| 111 | VMCVULCAN MATLS CO | 254,044 | $72.0B | 299.94% | |
| 112 | SLABSILICON LABORATORIES INC | 547,403 | $71.0B | 295.77% | |
| 113 | IEXIDEX CORP | 401,998 | $71.0B | 295.77% | |
| 114 | FFIVF5 INC | 281,299 | $71.0B | 295.77% | |
| 115 | RRRRED ROCK RESORTS INC | 1,157,653 | $71.0B | 295.77% | |
| 116 | CELHCELSIUS HLDGS INC | 1,544,215 | $70.0B | 291.61% | |
| 117 | WYNNWYNN RESORTS LTD | 581,717 | $69.0B | 287.44% | |
| 118 | LGNLEGENCE CORP | 1,613,326 | $69.0B | 287.44% | |
| 119 | KKRKKR & CO INC | 546,499 | $69.0B | 287.44% | |
| 120 | GRMNGARMIN LTD | 335,744 | $68.0B | 283.27% | |
| 121 | CRDOCREDO TECHNOLOGY GROUP HOLDI | 470,687 | $67.0B | 279.11% | |
| 122 | AJGGALLAGHER ARTHUR J & CO | 259,491 | $67.0B | 279.11% | |
| 123 | MDBMONGODB INC | 159,529 | $66.0B | 274.94% | |
| 124 | OWLBLUE OWL CAPITAL INC | 4,423,608 | $66.0B | 274.94% | |
| 125 | ADPTADAPTIVE BIOTECHNOLOGIES COR | 4,060,481 | $65.0B | 270.78% | |
| 126 | GENIGENIUS SPORTS LIMITED | 5,951,203 | $65.0B | 270.78% | |
| 127 | ZSZSCALER INC | 280,807 | $63.0B | 262.45% | |
| 128 | AFRMAFFIRM HLDGS INC | 851,834 | $63.0B | 262.45% | |
| 129 | KRMNKARMAN HLDGS INC | 836,981 | $61.0B | 254.11% | |
| 130 | CSXCSX CORP | 1,705,507 | $61.0B | 254.11% | |
| 131 | JBHTHUNT J B TRANS SVCS INC | 318,165 | $61.0B | 254.11% | |
| 132 | MCOMOODYS CORP | 118,321 | $60.0B | 249.95% | |
| 133 | PRIPRIMERICA INC | 234,597 | $60.0B | 249.95% | |
| 134 | CALXCALIX INC | 1,145,292 | $60.0B | 249.95% | |
| 135 | TECHBIO-TECHNE CORP | 994,330 | $58.0B | 241.62% | |
| 136 | PKGPACKAGING CORP AMER | 284,914 | $58.0B | 241.62% | |
| 137 | IRTCIRHYTHM TECHNOLOGIES INC | 325,063 | $57.0B | 237.45% | |
| 138 | SNPSSYNOPSYS INC | 121,649 | $57.0B | 237.45% | |
| 139 | CLHCLEAN HARBORS INC | 245,594 | $57.0B | 237.45% | |
| 140 | COCOVITA COCO CO INC | 1,073,610 | $56.0B | 233.28% | |
| 141 | DORMDORMAN PRODS INC | 462,212 | $56.0B | 233.28% | |
| 142 | GHGUARDANT HEALTH INC | 539,190 | $55.0B | 229.12% | |
| 143 | XENEXENON PHARMACEUTICALS INC | 1,226,771 | $54.0B | 224.95% | |
| 144 | WCNWASTE CONNECTIONS INC | 313,276 | $54.0B | 224.95% | |
| 145 | AMDADVANCED MICRO DEVICES INC | 250,455 | $53.0B | 220.79% | |
| 146 | FANGDIAMONDBACK ENERGY INC | 354,655 | $53.0B | 220.79% | |
| 147 | IONQIONQ INC | 1,114,665 | $50.0B | 208.29% | |
| 148 | PHPARKER-HANNIFIN CORP | 57,873 | $50.0B | 208.29% | |
| 149 | STEPSTEPSTONE GROUP INC | 786,501 | $50.0B | 208.29% | |
| 150 | BUWABIO RAD LABS INC | 165,107 | $50.0B | 208.29% | |
| 151 | AVNTAVIENT CORPORATION | 1,574,530 | $49.0B | 204.12% | |
| 152 | FNBF N B CORP | 2,903,113 | $49.0B | 204.12% | |
| 153 | LSCCLATTICE SEMICONDUCTOR CORP | 678,146 | $49.0B | 204.12% | |
| 154 | HLNEHAMILTON LANE INC | 363,487 | $48.0B | 199.96% | |
| 155 | BLDRBUILDERS FIRSTSOURCE INC | 475,697 | $48.0B | 199.96% | |
| 156 | CRMSALESFORCE INC | 178,508 | $47.0B | 195.79% | |
| 157 | TLNTALEN ENERGY CORP | 124,227 | $46.0B | 191.63% | |
| 158 | TTTRANE TECHNOLOGIES PLC | 118,163 | $45.0B | 187.46% | |
| 159 | TOSTTOAST INC | 1,268,337 | $45.0B | 187.46% | |
| 160 | RYANRYAN SPECIALTY HOLDINGS INC | 814,334 | $42.0B | 174.96% | |
| 161 | NIQNIQ GLOBAL INTELLIGENCE PLC | 2,388,660 | $39.0B | 162.47% | |
| 162 | MTSIMACOM TECH SOLUTIONS HLDGS I | 231,093 | $39.0B | 162.47% | |
| 163 | RBLXROBLOX CORP | 461,670 | $37.0B | 154.13% | |
| 164 | ALNYALNYLAM PHARMACEUTICALS INC | 93,444 | $37.0B | 154.13% | |
| 165 | RDNTRADNET INC | 531,761 | $37.0B | 154.13% | |
| 166 | TRGPTARGA RES CORP | 198,542 | $36.0B | 149.97% | |
| 167 | HOODROBINHOOD MKTS INC | 312,554 | $35.0B | 145.80% | |
| 168 | RMBS*RAMBUS INC DEL | 362,092 | $33.0B | 137.47% | |
| 169 | RNAAVIDITY BIOSCIENCES INC | 471,127 | $33.0B | 137.47% | |
| 170 | ALABASTERA LABS INC | 195,294 | $32.0B | 133.31% | |
| 171 | SPXCSPX TECHNOLOGIES INC | 141,462 | $28.0B | 116.64% | |
| 172 | PLTRPALANTIR TECHNOLOGIES INC | 154,585 | $27.0B | 112.48% | |
| 173 | FMFFORMFACTOR INC | 449,604 | $25.0B | 104.14% | |
| 174 | APLDAPPLIED DIGITAL CORP | 1,034,397 | $25.0B | 104.14% | |
| 175 | T7DTRANSDIGM GROUP INC | 16,193 | $21.0B | 87.48% | |
| 176 | BCYCBICYCLE THERAPEUTICS PLC | 3,016,026 | $21.0B | 87.48% | |
| 177 | RGTIRIGETTI COMPUTING INC | 935,778 | $20.0B | 83.32% | |
| 178 | CORZCORE SCIENTIFIC INC NEW | 1,392,132 | $20.0B | 83.32% | |
| 179 | MLIMUELLER INDS INC | 124,927 | $14.0B | 58.32% | |
| 180 | GOOGALPHABET INC | 45,820 | $14.0B | 58.32% | |
| 181 | PTRNPATTERN GROUP INC | 1,184,716 | $13.0B | 54.16% | |
| 182 | WMBWILLIAMS COS INC | 231,177 | $13.0B | 54.16% | |
| 183 | IUSGISHARES TR | 66,532 | $11.0B | 45.82% | |
| 184 | KOCOCA COLA CO | 132,670 | $9.0B | 37.49% | |
| 185 | SMFGSUMITOMO MITSUI FINL GROUP I | 453,681 | $8.0B | 33.33% | |
| 186 | WFCWELLS FARGO CO NEW | 86,942 | $8.0B | 33.33% | |
| 187 | MUFGMITSUBISHI UFJ FINL GROUP IN | 510,711 | $8.0B | 33.33% | |
| 188 | CITCINTAS CORP | 42,271 | $7.0B | 29.16% | |
| 189 | WMTWALMART INC | 70,910 | $7.0B | 29.16% | |
| 190 | HDHOME DEPOT INC | 20,347 | $7.0B | 29.16% | |
| 191 | TJXTJX COS INC NEW | 48,343 | $7.0B | 29.16% | |
| 192 | CMICUMMINS INC | 15,274 | $7.0B | 29.16% | |
| 193 | CIENCIENA CORP | 31,750 | $7.0B | 29.16% | |
| 194 | TMOTHERMO FISHER SCIENTIFIC INC | 13,681 | $7.0B | 29.16% | |
| 195 | IWFISHARES TR | 13,058 | $6.0B | 24.99% | |
| 196 | GSGOLDMAN SACHS GROUP INC | 7,029 | $6.0B | 24.99% | |
| 197 | JNJJOHNSON & JOHNSON | 33,288 | $6.0B | 24.99% | |
| 198 | FCNCAFIRST CTZNS BANCSHARES INC D | 3,185 | $6.0B | 24.99% | |
| 199 | RJFRAYMOND JAMES FINL INC | 40,095 | $6.0B | 24.99% | |
| 200 | BBVABANCO BILBAO VIZCAYA ARGENTA | 266,816 | $6.0B | 24.99% |