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 NXT
Shares Held
Position Value (USD)
11 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $133,490,560 | 1,107,346 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $94,976,033 | 1,090,300 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $103,442,237 | 1,398,057 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $71,635,954 | 1,317,564 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $52,386,383 | 1,243,151 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $44,187,199 | 1,209,614 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $39,920,735 | 1,065,121 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $47,863,026 | 1,020,969 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $45,156,056 | 802,489 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $21,695,391 | 463,082 | Shares | Sole | 2024-02-09 | |
| 2023-03-31 | $829,592 | 22,879 | Shares | Sole | 2023-05-12 | |
| No 13F history on record for this holder in this stock. | ||||||