Universe · entity
WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional manager (13F) · CIK 1177719
13F holdings · as of 2026-03-31 · top 50 · reported portfolio $14.7B
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | NVIDIA CORPORATION | $1.1B | 6,317,039 |
| 2 | ASCENDIS PHARMA A/S | $1.1B | 4,813,440 |
| 3 | COMFORT SYS USA INC | $856M | 620,915 |
| 4 | APPLE INC | $795M | 3,133,113 |
| 5 | FTAI AVIATION LTD | $698M | 2,848,227 |
| 6 | MICROSOFT CORP | $611M | 1,649,513 |
| 7 | ALPHABET INC | $583M | 2,026,744 |
| 8 | HOWMET AEROSPACE INC | $528M | 2,289,697 |
| 9 | VERTIV HOLDINGS CO | $482M | 1,921,696 |
| 10 | AMAZON COM INC | $475M | 2,279,654 |
| 11 | AXON ENTERPRISE INC | $452M | 1,064,134 |
| 12 | BROADCOM INC | $383M | 1,236,925 |
| 13 | ELI LILLY & CO | $335M | 364,579 |
| 14 | TAPESTRY INC | $310M | 2,198,862 |
| 15 | META PLATFORMS INC | $301M | 526,822 |
| 16 | LPL FINL HLDGS INC | $265M | 881,506 |
| 17 | MKS INC. | $241M | 1,046,763 |
| 18 | INSMED INC | $240M | 1,468,459 |
| 19 | VAXCYTE INC | $212M | 3,646,138 |
| 20 | ROCKET LAB CORP | $204M | 3,172,611 |
| 21 | NETFLIX INC. | $189M | 1,969,994 |
| 22 | API GROUP CORP | $188M | 4,634,929 |
| 23 | QUANTA SVCS INC | $182M | 331,816 |
| 24 | GE VERNOVA INC | $174M | 199,306 |
| 25 | ARES MANAGEMENT CORPORATION | $172M | 1,572,787 |
| 26 | RHYTHM PHARMACEUTICALS INC | $168M | 1,929,123 |
| 27 | TAIWAN SEMICONDUCTOR MANUFAC | $167M | 493,504 |
| 28 | MARVELL TECHNOLOGY INC | $166M | 1,673,381 |
| 29 | BLOOM ENERGY CORP | $161M | 1,191,572 |
| 30 | SAMSARA INC | $161M | 5,072,821 |
| 31 | AMETEK INC | $160M | 745,832 |
| 32 | PERMIAN RESOURCES CORP | $160M | 7,481,457 |
| 33 | DYNATRACE INC | $156M | 4,209,594 |
| 34 | REVOLUTION MEDICINES INC | $151M | 1,556,578 |
| 35 | NATERA INC | $151M | 754,729 |
| 36 | FABRINET | $149M | 284,874 |
| 37 | ABIVAX SA | $147M | 1,322,938 |
| 38 | SERVICENOW INC | $146M | 1,394,187 |
| 39 | TECHNIPFMC PLC | $141M | 2,033,755 |
| 40 | ROYAL CARIBBEAN GROUP | $139M | 505,765 |
| 41 | HILTON WORLDWIDE HLDGS INC | $139M | 457,425 |
| 42 | VISA INC | $138M | 456,548 |
| 43 | CENCORA INC | $137M | 436,909 |
| 44 | ITT INC | $134M | 703,309 |
| 45 | CELSIUS HLDGS INC | $134M | 3,768,911 |
| 46 | NEXTPOWER INC | $133M | 1,107,346 |
| 47 | CHENIERE ENERGY INC | $130M | 459,044 |
| 48 | AMER SPORTS INC | $130M | 3,937,521 |
| 49 | REGAL REXNORD CORPORATION | $128M | 681,717 |
| 50 | MSCI INC | $126M | 233,764 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.