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
25 quarters · across all stocks
Holdings in AVNT
Shares Held
Position Value (USD)
21 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $56,971,688 | 1,569,468 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $49,188,317 | 1,574,530 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $51,705,996 | 1,569,226 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $50,406,895 | 1,560,102 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $54,822,816 | 1,475,318 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $69,942,186 | 1,711,752 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $76,620,049 | 1,522,656 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $63,707,960 | 1,459,518 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $59,009,721 | 1,359,671 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $49,946,687 | 1,201,508 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $33,529,876 | 949,317 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $36,340,549 | 888,522 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $33,405,867 | 811,610 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $17,519,819 | 518,952 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $24,060,230 | 794,067 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $32,285,321 | 805,522 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $31,168,944 | 649,353 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $36,866,574 | 658,920 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $31,454,268 | 678,625 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $32,025,871 | 651,462 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $26,897,811 | 569,025 | Shares | Sole | 2021-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||