WESTFIELD CAPITAL MANAGEMENT CO LP
Top Portfolio Positions
243 positions ·
$23,810,970,015 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| NVDA |
Nvidia Corp
Technology
|
6,317,039 | $1,101,691,601 | 4.63% | |
| ASND |
Ascendis Pharma A/S
Healthcare
|
4,813,440 | $1,100,978,131 | 4.62% | |
| FIX |
Comfort Systems USA Inc
Industrials
|
620,915 | $856,235,575 | 3.60% | |
| AAPL |
Apple Inc.
Technology
|
3,133,113 | $795,152,748 | 3.34% | |
| FTAI |
FTAI Aviation Ltd.
Industrials
|
2,848,227 | $697,815,615 | 2.93% | |
| MSFT |
Microsoft Corp
Technology
|
1,649,513 | $610,600,227 | 2.56% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,026,744 | $582,810,504 | 2.45% | |
| HWM |
Howmet Aerospace Inc.
Industrials
|
2,289,697 | $527,683,570 | 2.22% | |
| VRT |
Vertiv Holdings Co
Industrials
|
1,921,696 | $481,538,583 | 2.02% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
2,279,654 | $474,783,538 | 1.99% |
Portfolio Trend
24 quarters · across all stocks
Holdings in FICO
Shares Held
Position Value (USD)
20 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,631,142 | 39,934 | Shares | Sole | 2026-05-11 | |
| 2025-09-30 | $48,589,336 | 32,468 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $77,330,019 | 42,304 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $90,044,800 | 48,827 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $84,901,223 | 42,644 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $116,782,229 | 60,088 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $124,233,142 | 83,453 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $96,682,325 | 77,370 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $92,030,122 | 79,063 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $74,383,514 | 85,643 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $129,577,178 | 160,128 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $60,355,449 | 85,892 | Shares | Sole | 2023-05-12 | |
| 2021-12-31 | $3,220,433 | 7,426 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $5,702,734 | 14,331 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $7,334,603 | 14,591 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $7,111,397 | 14,631 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $7,507,688 | 14,691 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $49,512,105 | 116,395 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $49,245,112 | 117,800 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $53,692,520 | 174,502 | Shares | Sole | 2020-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||