Holdings of WESTFIELD CAPITAL MANAGEMENT CO LP
230 declared positions · as of Mar 31, 2026
Original filing · Ten largest lines: 31.9 % of the equity sleeve
Sector breakdown
- Technology 22.8 %
- Industrials 17.5 %
- Financials 7.2 %
- Consumer discretionary 7.0 %
- Communication 5.8 %
- Health care 5.0 %
- Energy 2.2 %
- Materials 1.2 %
- Utilities 0.4 %
- Consumer staples 0.1 %
- Unattributed 30.8 %
Titelia classification, company by company. The unattributed share stays visible.
Currency breakdown
The quoted currency of each line, as declared.
Country breakdown
- US 93.0 %
- DK 5.0 %
- TW 0.8 %
- FR 0.7 %
- KY 0.5 %
- JP 0.0 %
- ES 0.0 %
Shares computed on the equity sleeve.
| Rank | Country | Lines | Value | Share |
|---|
| 1 | US | 223 | 20.3B $ | 92.98 % |
| 2 | DK | 2 | 1.1B $ | 5.04 % |
| 3 | TW | 1 | 166.8M $ | 0.76 % |
| 4 | FR | 1 | 147.3M $ | 0.67 % |
| 5 | KY | 1 | 104.3M $ | 0.48 % |
| 6 | JP | 1 | 9M $ | 0.04 % |
| 7 | ES | 1 | 5.8M $ | 0.03 % |
Positions
| Rank | Company | Shares | Value | Weight |
|---|
| 101 | CH Robinson Worldwide Inc | 429,500 | 71.3M $ | |
| 102 | Lowe's Cos Inc | 300,962 | 71.1M $ | |
| 103 | CSX Corp | 1,658,299 | 68.1M $ | |
| 104 | Onto Innovation Inc | 326,960 | 67M $ | |
| 105 | DoorDash Inc | 443,921 | 66.7M $ | |
| 106 | Red Rock Resorts Inc | 1,228,158 | 65.5M $ | |
| 107 | Casella Waste Systems Inc | 822,492 | 65.3M $ | |
| 108 | Packaging Corp of America | 303,771 | 64.5M $ | |
| 109 | Wintrust Financial Corp | 455,222 | 63.2M $ | |
| 110 | Microchip Technology Inc | 970,295 | 62.7M $ | |
| 111 | Masimo Corp | 341,229 | 60.7M $ | |
| 112 | Zscaler Inc | 427,919 | 60M $ | |
| 113 | HealthEquity Inc | 712,848 | 59.6M $ | |
| 114 | Procore Technologies Inc | 1,001,253 | 57.1M $ | |
| 115 | Avient Corp | 1,569,468 | 57M $ | |
| 116 | HubSpot Inc | 232,976 | 56.9M $ | |
| 117 | StepStone Group Inc | 1,177,971 | 56.2M $ | |
| 118 | Installed Building Products Inc | 208,248 | 55.2M $ | |
| 119 | Vita Coco Co Inc/The | 1,151,933 | 55.2M $ | |
| 120 | Saia Inc | 155,600 | 54.7M $ | |
| 121 | Moody's Corp | 123,603 | 53.9M $ | |
| 122 | Synopsys Inc | 132,848 | 52.7M $ | |
| 123 | Parker-Hannifin Corp | 58,489 | 52.4M $ | |
| 124 | Lattice Semiconductor Corp | 563,422 | 52.3M $ | |
| 125 | TopBuild Corp | 148,581 | 52.2M $ | |
| 126 | Bank of America Corp | 1,066,885 | 52M $ | |
| 127 | Glaukos Corp | 482,219 | 51.9M $ | |
| 128 | KKR & Co Inc | 558,136 | 51.6M $ | |
| 129 | Coeur Mining Inc | 2,738,846 | 51.4M $ | |
| 130 | Salesforce Inc | 271,963 | 50.8M $ | |
| 131 | Marriott International Inc/MD | 153,219 | 50.1M $ | |
| 132 | Madrigal Pharmaceuticals Inc | 94,813 | 49.6M $ | |
| 133 | Affirm Holdings Inc | 1,080,636 | 49.5M $ | |
| 134 | JB Hunt Transport Services Inc | 228,577 | 48.4M $ | |
| 135 | Dorman Products Inc | 461,282 | 48.1M $ | |
| 136 | Toast Inc | 1,790,873 | 47.5M $ | |
| 137 | Planet Labs PBC | 1,637,041 | 45.8M $ | |
| 138 | Bio-Techne Corp | 856,043 | 44.7M $ | |
| 139 | Robinhood Markets Inc | 633,384 | 43.9M $ | |
| 140 | Entegris Inc | 371,686 | 43.6M $ | |
| 141 | Riot Platforms Inc | 3,499,880 | 43.3M $ | |
| 142 | Fair Isaac Corp | 39,934 | 42.6M $ | |
| 143 | TALEN ENERGY CORP | 131,461 | 42M $ | |
| 144 | Corpay Inc | 143,120 | 41.6M $ | |
| 145 | MongoDB Inc | 164,881 | 40.4M $ | |
| 146 | IonQ Inc | 1,373,788 | 39.6M $ | |
| 147 | Hamilton Lane Inc | 364,174 | 36.2M $ | |
| 148 | Micron Technology Inc | 100,434 | 33.9M $ | |
| 149 | Freeport-McMoRan Inc | 544,359 | 32M $ | |
| 150 | Option Care Health Inc | 1,182,814 | 31.8M $ | |
| 151 | LendingClub Corp | 2,117,543 | 30.3M $ | |
| 152 | SPX Technologies Inc | 149,276 | 29.8M $ | |
| 153 | RadNet Inc | 531,893 | 29.7M $ | |
| 154 | Fastenal Co | 638,334 | 29.6M $ | |
| 155 | MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 132,457 | 29.4M $ | |
| 156 | Rigetti Computing Inc | 1,895,313 | 26.6M $ | |
| 157 | Caterpillar Inc | 32,325 | 22.9M $ | |
| 158 | Core Scientific Inc | 1,480,013 | 22.1M $ | |
| 159 | Uranium Energy Corp | 1,567,772 | 21.2M $ | |
| 160 | Danaher Corp | 110,492 | 20.9M $ | |
| 161 | Oruka Therapeutics Inc | 313,130 | 15.4M $ | |
| 162 | TransDigm Group Inc | 12,950 | 15M $ | |
| 163 | Pattern Group Inc | 1,172,891 | 14.6M $ | |
| 164 | Alphabet Inc | 50,487 | 14.5M $ | |
| 165 | Mueller Industries Inc | 126,059 | 14M $ | |
| 166 | Williams Cos Inc/The | 181,444 | 13.2M $ | |
| 167 | Applied Digital Corp | 542,092 | 12.9M $ | |
| 168 | Ciena Corp | 31,750 | 12.3M $ | |
| 169 | Coca-Cola Co/The | 133,867 | 10.2M $ | |
| 170 | Sumitomo Mitsui Financial Group Inc | 457,584 | 9M $ | |
| 171 | Walmart Inc | 71,561 | 8.9M $ | |
| 172 | Johnson & Johnson | 35,912 | 8.8M $ | |
| 173 | Mitsubishi UFJ Financial Group Inc | 516,054 | 8.8M $ | |
| 174 | Cummins Inc | 15,415 | 8.3M $ | |
| 175 | NextEra Energy Inc | 87,251 | 8.1M $ | |
| 176 | TJX Cos Inc/The | 48,621 | 7.8M $ | |
| 177 | Wells Fargo & Co | 87,713 | 7M $ | |
| 178 | Rollins Inc | 130,617 | 7M $ | |
| 179 | Home Depot Inc/The | 20,405 | 6.7M $ | |
| 180 | Thermo Fisher Scientific Inc | 13,474 | 6.6M $ | |
| 181 | M&T Bank Corp | 29,839 | 6.2M $ | |
| 182 | Hershey Co/The | 29,158 | 6.1M $ | |
| 183 | First Citizens BancShares Inc/NC | 3,185 | 6M $ | |
| 184 | Amgen Inc | 17,052 | 6M $ | |
| 185 | Goldman Sachs Group Inc/The | 7,074 | 6M $ | |
| 186 | McKesson Corp | 6,901 | 6M $ | |
| 187 | Banco Bilbao Vizcaya Argentaria SA | 268,690 | 5.8M $ | |
| 188 | Raymond James Financial Inc | 40,095 | 5.8M $ | |
| 189 | McDonald's Corp. | 18,034 | 5.6M $ | |
| 190 | Merck & Co Inc | 42,901 | 5.2M $ | |
| 191 | Citigroup Inc | 44,457 | 5M $ | |
| 192 | HEICO Corp | 20,130 | 4.2M $ | |
| 193 | Southern Copper Corp | 24,124 | 4.2M $ | |
| 194 | Expedia Group Inc | 16,692 | 3.9M $ | |
| 195 | Pfizer Inc | 133,734 | 3.8M $ | |
| 196 | Gilead Sciences Inc | 26,690 | 3.7M $ | |
| 197 | Watsco Inc | 9,822 | 3.6M $ | |
| 198 | PepsiCo Inc | 22,760 | 3.5M $ | |
| 199 | Dominion Energy Inc | 53,262 | 3.3M $ | |
| 200 | Cardinal Health, Inc. | 13,043 | 2.8M $ | |