Filed: 2/11/2025ACC: 0001085146-25-000986
📋 What this filing means
WESTFIELD CAPITAL MANAGEMENT CO LP filed this quarterly 13F‑HR report disclosing 239 equity positions with a total reported market value of $22.97B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
239
Positions
$22.97B
Total AUM (reported)
240.49M
Total Shares
Allocation by class
COM$14.65B63.8%
CL A$2.22B9.7%
COM CL A$1.63B7.1%
SHS$820.31M3.6%
SPONSORED ADR$766.76M3.3%
CAP STK CL A$657.90M2.9%
COM NEW$492.81M2.1%
Portfolio Concentration
Top 3$2.70B11.7%
4–10$4.01B17.4%
11–25$3.74B16.3%
Rest$12.53B54.5%
Top 3 weight
11.7%
Top 10 weight
29.2%
Voting Authority Distribution
Total shares with voting rights: 240.49M
Sole
Full voting authority
173.81M
shares
% of voting shares72.3%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
66.68M
shares
% of voting shares27.7%
Investment Discretion (by position count)
Sole239
Shared0
Other0
Dominant voting typeSole · 72.3% of voting shares
Institutional Holdings239
Rows:
NVIDIA CORPORATION
SOLEShares7.40M
TypeSH
Market value$993.72M
4.33%
Sole
5.39M
Shared
0.00
None
2.01M
APPLE INC
SOLEShares3.66M
TypeSH
Market value$915.29M
3.98%
Sole
2.74M
Shared
0.00
None
919.13K
MICROSOFT CORP
SOLEShares1.87M
TypeSH
Market value$789.39M
3.44%
Sole
1.36M
Shared
0.00
None
511.81K
ASCENDIS PHARMA A/S
SOLEShares5.53M
TypeSH
Market value$761.07M
3.31%
Sole
3.87M
Shared
0.00
None
1.66M
AMAZON COM INC
SOLEShares3.44M
TypeSH
Market value$755.19M
3.29%
Sole
2.66M
Shared
0.00
None
786.86K
ALPHABET INC
SOLEShares3.48M
TypeSH
Market value$657.90M
2.86%
Sole
2.66M
Shared
0.00
None
814.88K
META PLATFORMS INC
SOLEShares900.96K
TypeSH
Market value$527.52M
2.30%
Sole
652.37K
Shared
0.00
None
248.59K
TRANSDIGM GROUP INC
SOLEShares362.22K
TypeSH
Market value$459.03M
2.00%
Sole
248.21K
Shared
0.00
None
114.01K
AXON ENTERPRISE INC
SOLEShares714.87K
TypeSH
Market value$424.86M
1.85%
Sole
438.51K
Shared
0.00
None
276.36K
VERTIV HOLDINGS CO
SOLEShares3.72M
TypeSH
Market value$422.63M
1.84%
Sole
2.46M
Shared
0.00
None
1.26M
COMFORT SYS USA INC
SOLEShares885.13K
TypeSH
Market value$375.35M
1.63%
Sole
586.69K
Shared
0.00
None
298.43K
FTAI AVIATION LTD
SOLEShares2.49M
TypeSH
Market value$358.47M
1.56%
Sole
1.69M
Shared
0.00
None
801.30K
SERVICENOW INC
SOLEShares315.04K
TypeSH
Market value$333.98M
1.45%
Sole
219.78K
Shared
0.00
None
95.27K
BROADCOM INC
SOLEShares1.35M
TypeSH
Market value$314.14M
1.37%
Sole
976.76K
Shared
0.00
None
378.22K
VISA INC
SOLEShares899.65K
TypeSH
Market value$284.33M
1.24%
Sole
740.88K
Shared
0.00
None
158.77K
TESLA INC
SOLEShares660.11K
TypeSH
Market value$266.58M
1.16%
Sole
482.30K
Shared
0.00
None
177.81K
TAPESTRY INC
SOLEShares3.60M
TypeSH
Market value$235.51M
1.03%
Sole
2.28M
Shared
0.00
None
1.32M
LPL FINL HLDGS INC
SOLEShares705.92K
TypeSH
Market value$230.49M
1.00%
Sole
406.49K
Shared
0.00
None
299.43K
VAXCYTE INC
SOLEShares2.57M
TypeSH
Market value$210.11M
0.91%
Sole
1.72M
Shared
0.00
None
841.76K
GE VERNOVA INC
SOLEShares611.80K
TypeSH
Market value$201.24M
0.88%
Sole
378.42K
Shared
0.00
None
233.38K
SALESFORCE INC
SOLEShares597.10K
TypeSH
Market value$199.63M
0.87%
Sole
437.36K
Shared
0.00
None
159.74K
LEGEND BIOTECH CORP
SOLEShares5.71M
TypeSH
Market value$185.92M
0.81%
Sole
3.86M
Shared
0.00
None
1.85M
DEXCOM INC
SOLEShares2.35M
TypeSH
Market value$182.42M
0.79%
Sole
1.81M
Shared
0.00
None
534.40K
PROGRESSIVE CORP
SOLEShares748.17K
TypeSH
Market value$179.27M
0.78%
Sole
476.07K
Shared
0.00
None
272.10K
NETFLIX INC
SOLEShares200.35K
TypeSH
Market value$178.57M
0.78%
Sole
166.21K
Shared
0.00
None
34.14K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 7.40M | SH | $993.72M 4.33% | 5.39M | 0.00 | 2.01M |
APPLE INCSOLE | COM | 3.66M | SH | $915.29M 3.98% | 2.74M | 0.00 | 919.13K |
MICROSOFT CORPSOLE | COM | 1.87M | SH | $789.39M 3.44% | 1.36M | 0.00 | 511.81K |
ASCENDIS PHARMA A/SSOLE | SPONSORED ADR | 5.53M | SH | $761.07M 3.31% | 3.87M | 0.00 | 1.66M |
AMAZON COM INCSOLE | COM | 3.44M | SH | $755.19M 3.29% | 2.66M | 0.00 | 786.86K |
ALPHABET INCSOLE | CAP STK CL A | 3.48M | SH | $657.90M 2.86% | 2.66M | 0.00 | 814.88K |
META PLATFORMS INCSOLE | CL A | 900.96K | SH | $527.52M 2.30% | 652.37K | 0.00 | 248.59K |
TRANSDIGM GROUP INCSOLE | COM | 362.22K | SH | $459.03M 2.00% | 248.21K | 0.00 | 114.01K |
AXON ENTERPRISE INCSOLE | COM | 714.87K | SH | $424.86M 1.85% | 438.51K | 0.00 | 276.36K |
VERTIV HOLDINGS COSOLE | COM CL A | 3.72M | SH | $422.63M 1.84% | 2.46M | 0.00 | 1.26M |
COMFORT SYS USA INCSOLE | COM | 885.13K | SH | $375.35M 1.63% | 586.69K | 0.00 | 298.43K |
FTAI AVIATION LTDSOLE | SHS | 2.49M | SH | $358.47M 1.56% | 1.69M | 0.00 | 801.30K |
SERVICENOW INCSOLE | COM | 315.04K | SH | $333.98M 1.45% | 219.78K | 0.00 | 95.27K |
BROADCOM INCSOLE | COM | 1.35M | SH | $314.14M 1.37% | 976.76K | 0.00 | 378.22K |
VISA INCSOLE | COM CL A | 899.65K | SH | $284.33M 1.24% | 740.88K | 0.00 | 158.77K |
TESLA INCSOLE | COM | 660.11K | SH | $266.58M 1.16% | 482.30K | 0.00 | 177.81K |
TAPESTRY INCSOLE | COM | 3.60M | SH | $235.51M 1.03% | 2.28M | 0.00 | 1.32M |
LPL FINL HLDGS INCSOLE | COM | 705.92K | SH | $230.49M 1.00% | 406.49K | 0.00 | 299.43K |
VAXCYTE INCSOLE | COM | 2.57M | SH | $210.11M 0.91% | 1.72M | 0.00 | 841.76K |
GE VERNOVA INCSOLE | COM | 611.80K | SH | $201.24M 0.88% | 378.42K | 0.00 | 233.38K |
SALESFORCE INCSOLE | COM | 597.10K | SH | $199.63M 0.87% | 437.36K | 0.00 | 159.74K |
LEGEND BIOTECH CORPSOLE | SPONSORED ADS | 5.71M | SH | $185.92M 0.81% | 3.86M | 0.00 | 1.85M |
DEXCOM INCSOLE | COM | 2.35M | SH | $182.42M 0.79% | 1.81M | 0.00 | 534.40K |
PROGRESSIVE CORPSOLE | COM | 748.17K | SH | $179.27M 0.78% | 476.07K | 0.00 | 272.10K |
NETFLIX INCSOLE | COM | 200.35K | SH | $178.57M 0.78% | 166.21K | 0.00 | 34.14K |
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