WESTFIELD CAPITAL MANAGEMENT CO LP Q1 2025 Filing
Filed May 9, 2025
Portfolio Value
$20.5B
Holdings
244
Report Date
Q1 2025
Filing Type
13F-HR
All Holdings (244 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | DDOGDATADOG INC | 640,549 | $63.5B | 309.24% | |
| 102 | ICLRICON PLC | 361,912 | $63.3B | 308.18% | |
| 103 | MRUSMERUS N V | 1,501,220 | $63.2B | 307.48% | |
| 104 | OKTAOKTA INC | 578,946 | $60.9B | 296.43% | |
| 105 | SSENTINELONE INC | 3,286,406 | $59.7B | 290.74% | |
| 106 | WIXWIX COM LTD | 364,332 | $59.5B | 289.66% | |
| 107 | VMCVULCAN MATLS CO | 254,781 | $59.4B | 289.25% | |
| 108 | RRRRED ROCK RESORTS INC | 1,360,609 | $59.0B | 287.15% | |
| 109 | HOODROBINHOOD MKTS INC | 1,415,103 | $58.9B | 286.60% | |
| 110 | HLTHILTON WORLDWIDE HLDGS INC | 251,474 | $57.2B | 278.46% | |
| 111 | ROKROCKWELL AUTOMATION INC | 219,860 | $56.8B | 276.44% | |
| 112 | AXTAAXALTA COATING SYS LTD | 1,712,448 | $56.8B | 276.41% | |
| 113 | RMBS*RAMBUS INC DEL | 1,089,081 | $56.4B | 274.39% | |
| 114 | CPRTCOPART INC | 991,920 | $56.1B | 273.15% | |
| 115 | MLTXMOONLAKE IMMUNOTHERAPEUTICS | 1,434,770 | $56.1B | 272.78% | |
| 116 | FANGDIAMONDBACK ENERGY INC | 344,596 | $55.1B | 268.10% | |
| 117 | AVNTAVIENT CORPORATION | 1,475,318 | $54.8B | 266.78% | |
| 118 | BRZEBRAZE INC | 1,514,513 | $54.6B | 265.91% | |
| 119 | JT5MUELLER WTR PRODS INC | 2,118,561 | $53.9B | 262.07% | |
| 120 | LRCXLAM RESEARCH CORP | 736,520 | $53.5B | 260.56% | |
| 121 | CYTKCYTOKINETICS INC | 1,310,336 | $52.7B | 256.27% | |
| 122 | NXTNEXTRACKER INC | 1,243,151 | $52.4B | 254.92% | |
| 123 | GEHCGE HEALTHCARE TECHNOLOGIES I | 644,607 | $52.0B | 253.17% | |
| 124 | ALNYALNYLAM PHARMACEUTICALS INC | 192,172 | $51.9B | 252.51% | |
| 125 | —WNS HLDGS LTD | 840,983 | $51.7B | 251.64% | |
| 126 | CSXCSX CORP | 1,753,021 | $51.6B | 251.06% | |
| 127 | HQYHEALTHEQUITY INC | 563,389 | $49.8B | 242.27% | |
| 128 | COINCOINBASE GLOBAL INC | 288,763 | $49.7B | 242.02% | |
| 129 | NOGNORTHERN OIL & GAS INC | 1,636,938 | $49.5B | 240.80% | |
| 130 | CARTMAPLEBEAR INC | 1,219,320 | $48.6B | 236.69% | |
| 131 | BWINTHE BALDWIN INSURANCE GRP IN | 1,076,847 | $48.1B | 234.18% | |
| 132 | KEYKEYCORP | 2,968,535 | $47.5B | 230.98% | |
| 133 | TERTERADYNE INC | 574,467 | $47.5B | 230.91% | |
| 134 | MCXMCCORMICK & CO INC | 571,698 | $47.1B | 228.99% | |
| 135 | FTITECHNIPFMC PLC | 1,483,510 | $47.0B | 228.77% | |
| 136 | AITAPPLIED INDL TECHNOLOGIES IN | 208,136 | $46.9B | 228.23% | |
| 137 | WF2WINTRUST FINL CORP | 415,498 | $46.7B | 227.38% | |
| 138 | XENEXENON PHARMACEUTICALS INC | 1,391,370 | $46.7B | 227.16% | |
| 139 | RKLBROCKET LAB USA INC | 2,586,532 | $46.2B | 225.05% | |
| 140 | HLIHOULIHAN LOKEY INC | 286,288 | $46.2B | 224.99% | |
| 141 | TLNTALEN ENERGY CORP | 229,674 | $45.9B | 223.16% | |
| 142 | SMTCSEMTECH CORP | 1,322,351 | $45.5B | 221.36% | |
| 143 | LECOLINCOLN ELEC HLDGS INC | 236,086 | $44.7B | 217.32% | |
| 144 | PRCTPROCEPT BIOROBOTICS CORP | 748,557 | $43.6B | 212.22% | |
| 145 | LYVLIVE NATION ENTERTAINMENT IN | 322,451 | $42.1B | 204.90% | |
| 146 | FLRFLUOR CORP NEW | 1,142,294 | $40.9B | 199.11% | |
| 147 | SPOTSPOTIFY TECHNOLOGY S A | 74,210 | $40.8B | 198.63% | |
| 148 | TECHBIO-TECHNE CORP | 676,408 | $39.7B | 192.98% | |
| 149 | APY1EURCHAMPIONX CORPORATION | 1,310,725 | $39.1B | 190.07% | |
| 150 | VSTVISTRA CORP | 332,342 | $39.0B | 189.93% | |
| 151 | TTDTHE TRADE DESK INC | 712,098 | $39.0B | 189.62% | |
| 152 | CHRCHURCHILL DOWNS INC | 346,452 | $38.5B | 187.25% | |
| 153 | MOG/AMOOG INC | 217,368 | $37.7B | 183.36% | |
| 154 | RVMDREVOLUTION MEDICINES INC | 1,064,046 | $37.6B | 183.09% | |
| 155 | SLABSILICON LABORATORIES INC | 330,897 | $37.2B | 181.26% | |
| 156 | CRWDCROWDSTRIKE HLDGS INC | 105,130 | $37.1B | 180.38% | |
| 157 | ANFABERCROMBIE & FITCH CO | 479,651 | $36.6B | 178.25% | |
| 158 | WDCWESTERN DIGITAL CORP | 875,743 | $35.4B | 172.30% | |
| 159 | DAYDAYFORCE INC | 587,439 | $34.3B | 166.74% | |
| 160 | BUWABIO RAD LABS INC | 134,671 | $32.8B | 159.61% | |
| 161 | RCKTROCKET PHARMACEUTICALS INC | 4,820,701 | $32.2B | 156.47% | |
| 162 | ETNBGBP89BIO INC | 3,894,741 | $28.3B | 137.79% | |
| 163 | ALABASTERA LABS INC | 467,080 | $27.9B | 135.63% | |
| 164 | FMFFORMFACTOR INC | 913,330 | $25.8B | 125.73% | |
| 165 | COHRCOHERENT CORP | 395,504 | $25.7B | 124.98% | |
| 166 | KNSLKINSALE CAP GROUP INC | 51,624 | $25.1B | 122.27% | |
| 167 | ONTOONTO INNOVATION INC | 203,566 | $24.7B | 120.20% | |
| 168 | CRDOCREDO TECHNOLOGY GROUP HOLDI | 605,805 | $24.3B | 118.39% | |
| 169 | BCYCBICYCLE THERAPEUTICS PLC | 2,657,305 | $22.6B | 109.78% | |
| 170 | GENIGENIUS SPORTS LIMITED | 2,178,257 | $21.8B | 106.10% | |
| 171 | VECOVEECO INSTRS INC DEL | 1,059,504 | $21.3B | 103.53% | |
| 172 | PRIMPRIMORIS SVCS CORP | 362,729 | $20.8B | 101.34% | |
| 173 | WGSGENEDX HOLDINGS CORP | 222,477 | $19.7B | 95.88% | |
| 174 | EXTREXTREME NETWORKS | 1,371,749 | $18.1B | 88.31% | |
| 175 | SPXCSPX TECHNOLOGIES INC | 128,615 | $16.6B | 80.60% | |
| 176 | ANETARISTA NETWORKS INC | 196,534 | $15.2B | 74.10% | |
| 177 | MARAMARA HOLDINGS INC | 1,287,869 | $14.8B | 72.07% | |
| 178 | MLIMUELLER INDS INC | 168,424 | $12.8B | 62.40% | |
| 179 | KOCOCA COLA CO | 178,810 | $12.8B | 62.32% | |
| 180 | U6ZURANIUM ENERGY CORP | 2,606,954 | $12.5B | 60.64% | |
| 181 | CLSCELESTICA INC | 154,406 | $12.2B | 59.22% | |
| 182 | CITCINTAS CORP | 56,903 | $11.7B | 56.91% | |
| 183 | RIOTRIOT PLATFORMS INC | 1,635,177 | $11.6B | 56.65% | |
| 184 | WMBWILLIAMS COS INC | 177,064 | $10.6B | 51.49% | |
| 185 | GOOGALPHABET INC | 62,285 | $9.7B | 47.35% | |
| 186 | A4SAMERIPRISE FINL INC | 19,397 | $9.4B | 45.70% | |
| 187 | STAGSTAG INDL INC | 250,875 | $9.1B | 44.10% | |
| 188 | PGPROCTER AND GAMBLE CO | 53,118 | $9.1B | 44.05% | |
| 189 | WLYWILEY JOHN & SONS INC | 186,014 | $8.3B | 40.34% | |
| 190 | PFEPFIZER INC | 315,697 | $8.0B | 38.93% | |
| 191 | TJXTJX COS INC NEW | 64,939 | $7.9B | 38.49% | |
| 192 | ALGMALLEGRO MICROSYSTEMS INC | 303,672 | $7.6B | 37.14% | |
| 193 | TOSTTOAST INC | 229,968 | $7.6B | 37.12% | |
| 194 | TSCOTRACTOR SUPPLY CO | 136,377 | $7.5B | 36.57% | |
| 195 | MDTMEDTRONIC PLC | 80,415 | $7.2B | 35.16% | |
| 196 | TMOTHERMO FISHER SCIENTIFIC INC | 14,335 | $7.1B | 34.71% | |
| 197 | MTBM & T BK CORP | 39,657 | $7.1B | 34.50% | |
| 198 | NEENEXTERA ENERGY INC | 98,747 | $7.0B | 34.06% | |
| 199 | CMICUMMINS INC | 21,762 | $6.8B | 33.19% | |
| 200 | EQIXEQUINIX INC | 7,607 | $6.2B | 30.18% |