WESTFIELD CAPITAL MANAGEMENT CO LP
CIK: 0001177719SEC EDGAR →
Portfolio Value
$24.0B
Holdings
241
As of
Q4 2025
New Positions
43
Closed Positions
47
Portfolio Value History
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 5,951,049 | $1.1B | 4.62% |
| 2 | ASCENDIS PHARMA A/S | 5,185,696 | $1.1B | 4.60% |
| 3 | APPLE INC | 3,274,318 | $890.0M | 3.71% |
| 4 | MICROSOFT CORP | 1,621,219 | $784.0M | 3.27% |
| 5 | ALPHABET INC | 2,178,478 | $681.0M | 2.84% |
| 6 | COMFORT SYS USA INC | 668,835 | $624.0M | 2.60% |
| 7 | AMAZON COM INC | 2,330,770 | $537.0M | 2.24% |
| 8 | AXON ENTERPRISE INC | 831,177 | $472.0M | 1.97% |
| 9 | FTAI AVIATION LTD | 2,350,625 | $462.0M | 1.92% |
| 10 | HOWMET AEROSPACE INC | 2,219,125 | $454.0M | 1.89% |
Quarterly Changes
Top Buys
New Positions (39)
$136.0M · 1.0M shares
$132.0M · 3.5M shares
$108.0M · 1.8M shares
$70.0M · 1.5M shares
$69.0M · 1.6M shares
$68.0M · 336K shares
$65.0M · 4.1M shares
$63.0M · 281K shares
$60.0M · 118K shares
$58.0M · 994K shares
$58.0M · 285K shares
$56.0M · 462K shares
$55.0M · 539K shares
$53.0M · 250K shares
$48.0M · 363K shares
$47.0M · 179K shares
$33.0M · 471K shares
$25.0M · 1.0M shares
$20.0M · 936K shares
$11.0M · 67K shares
$7.0M · 15K shares
$6.0M · 13K shares
$6.0M · 33K shares
$6.0M · 267K shares
$5.0M · 42K shares
$5.0M · 54K shares
$5.0M · 18K shares
$5.0M · 44K shares
$4.0M · 33K shares
$4.0M · 121K shares
$3.0M · 137K shares
$3.0M · 138K shares
$2.0M · 46K shares
$0 · 936 shares
$0 · 4K shares
$0 · 185K shares
$0 · 8K shares
$0 · 1K shares
$0 · 1K shares
Closed Positions (33)
$200.8M · 2.1M shares
$108.6M · 2.3M shares
$100.4M · 1.2M shares
$85.3M · 92K shares
$70.3M · 2.0M shares
$67.6M · 333K shares
$65.1M · 2.0M shares
$64.9M · 218K shares
$63.8M · 379K shares
$60.8M · 899K shares
$60.4M · 142K shares
$59.2M · 591K shares
$58.6M · 84K shares
$57.3M · 994K shares
$52.7M · 416K shares
$50.6M · 654K shares
$48.4M · 3.3M shares
$47.1M · 1.9M shares
$43.3M · 2.0M shares
$42.6M · 460K shares
$39.5M · 1.3M shares
$30.2M · 1.1M shares
$25.7M · 1.4M shares
$20.6M · 99K shares
$20.5M · 90K shares
$17.2M · 359K shares
$7.2M · 15K shares
$5.7M · 32K shares
$4.3M · 64K shares
$4.1M · 19K shares
$1.9M · 51K shares
$325K · 4K shares
$223K · 4K shares
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Technology | 59 | $7.1B | 29.7% |
| Industrials | 36 | $4.9B | 20.6% |
| Healthcare | 40 | $3.9B | 16.2% |
| Consumer Cyclical | 24 | $2.3B | 9.8% |
| Financial Services | 35 | $2.3B | 9.7% |
| Communication Services | 9 | $1.7B | 7.0% |
| Unknown | 16 | $846.0M | 3.5% |
| Energy | 8 | $279.0M | 1.2% |
| Utilities | 5 | $256.0M | 1.1% |
| Consumer Defensive | 5 | $147.0M | 0.6% |
| Basic Materials | 3 | $125.0M | 0.5% |
| Real Estate | 1 | $0 | 0.0% |