Filed: 8/14/2024ACC: 0001085146-24-003888
📋 What this filing means
WESTFIELD CAPITAL MANAGEMENT CO LP filed this quarterly 13F‑HR report disclosing 248 equity positions with a total reported market value of $20.35B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
248
Positions
$20.35B
Total AUM (reported)
235.83M
Total Shares
Allocation by class
COM$13.65B67.1%
CL A$1.49B7.3%
COM CL A$1.22B6.0%
SPONSORED ADR$682.55M3.4%
SHS$590.04M2.9%
CAP STK CL A$564.82M2.8%
COM NEW$438.20M2.2%
Portfolio Concentration
Top 3$2.51B12.3%
4–10$3.39B16.7%
11–25$2.97B14.6%
Rest$11.49B56.4%
Top 3 weight
12.3%
Top 10 weight
29.0%
Voting Authority Distribution
Total shares with voting rights: 235.83M
Sole
Full voting authority
168.78M
shares
% of voting shares71.6%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
67.05M
shares
% of voting shares28.4%
Investment Discretion (by position count)
Sole248
Shared0
Other0
Dominant voting typeSole · 71.6% of voting shares
Institutional Holdings248
Rows:
NVIDIA CORPORATION
SOLEShares7.10M
TypeSH
Market value$876.76M
4.31%
Sole
5.11M
Shared
0.00
None
1.99M
MICROSOFT CORP
SOLEShares1.85M
TypeSH
Market value$825.35M
4.06%
Sole
1.31M
Shared
0.00
None
535.51K
APPLE INC
SOLEShares3.81M
TypeSH
Market value$802.93M
3.94%
Sole
2.84M
Shared
0.00
None
967.41K
ASCENDIS PHARMA A/S
SOLEShares4.96M
TypeSH
Market value$676.83M
3.33%
Sole
3.43M
Shared
0.00
None
1.53M
AMAZON COM INC
SOLEShares3.28M
TypeSH
Market value$633.82M
3.11%
Sole
2.52M
Shared
0.00
None
760.94K
ALPHABET INC
SOLEShares3.10M
TypeSH
Market value$564.82M
2.78%
Sole
2.36M
Shared
0.00
None
738.61K
TRANSDIGM GROUP INC
SOLEShares363.41K
TypeSH
Market value$464.29M
2.28%
Sole
242.22K
Shared
0.00
None
121.18K
META PLATFORMS INC
SOLEShares861.57K
TypeSH
Market value$434.42M
2.13%
Sole
622.93K
Shared
0.00
None
238.65K
VERTIV HOLDINGS CO
SOLEShares3.57M
TypeSH
Market value$309.13M
1.52%
Sole
2.07M
Shared
0.00
None
1.50M
AXON ENTERPRISE INC
SOLEShares1.05M
TypeSH
Market value$308.23M
1.51%
Sole
583.87K
Shared
0.00
None
463.69K
SERVICENOW INC
SOLEShares358.20K
TypeSH
Market value$281.79M
1.38%
Sole
245.34K
Shared
0.00
None
112.86K
COMFORT SYS USA INC
SOLEShares864.87K
TypeSH
Market value$263.02M
1.29%
Sole
576.67K
Shared
0.00
None
288.19K
VISA INC
SOLEShares882.45K
TypeSH
Market value$231.62M
1.14%
Sole
738.06K
Shared
0.00
None
144.39K
DEXCOM INC
SOLEShares1.97M
TypeSH
Market value$222.83M
1.09%
Sole
1.29M
Shared
0.00
None
670.82K
LEGEND BIOTECH CORP
SOLEShares4.77M
TypeSH
Market value$211.36M
1.04%
Sole
3.22M
Shared
0.00
None
1.55M
UBER TECHNOLOGIES INC
SOLEShares2.83M
TypeSH
Market value$205.51M
1.01%
Sole
1.82M
Shared
0.00
None
1.01M
PROGRESSIVE CORP
SOLEShares914.48K
TypeSH
Market value$189.95M
0.93%
Sole
562.89K
Shared
0.00
None
351.58K
WINGSTOP INC
SOLEShares436.48K
TypeSH
Market value$184.48M
0.91%
Sole
280.11K
Shared
0.00
None
156.37K
TAIWAN SEMICONDUCTOR MFG LTD
SOLEShares1.06M
TypeSH
Market value$184.24M
0.91%
Sole
702.46K
Shared
0.00
None
357.57K
ABBVIE INC
SOLEShares1.01M
TypeSH
Market value$172.39M
0.85%
Sole
828.87K
Shared
0.00
None
176.19K
CADENCE DESIGN SYSTEM INC
SOLEShares550.39K
TypeSH
Market value$169.38M
0.83%
Sole
310.10K
Shared
0.00
None
240.30K
ICON PLC
SOLEShares527.75K
TypeSH
Market value$165.43M
0.81%
Sole
417.73K
Shared
0.00
None
110.02K
LPL FINL HLDGS INC
SOLEShares584.60K
TypeSH
Market value$163.28M
0.80%
Sole
281.59K
Shared
0.00
None
303.01K
OPTION CARE HEALTH INC
SOLEShares5.89M
TypeSH
Market value$163.22M
0.80%
Sole
4.19M
Shared
0.00
None
1.70M
CHIPOTLE MEXICAN GRILL INC
SOLEShares2.56M
TypeSH
Market value$160.28M
0.79%
Sole
1.56M
Shared
0.00
None
1M
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 7.10M | SH | $876.76M 4.31% | 5.11M | 0.00 | 1.99M |
MICROSOFT CORPSOLE | COM | 1.85M | SH | $825.35M 4.06% | 1.31M | 0.00 | 535.51K |
APPLE INCSOLE | COM | 3.81M | SH | $802.93M 3.94% | 2.84M | 0.00 | 967.41K |
ASCENDIS PHARMA A/SSOLE | SPONSORED ADR | 4.96M | SH | $676.83M 3.33% | 3.43M | 0.00 | 1.53M |
AMAZON COM INCSOLE | COM | 3.28M | SH | $633.82M 3.11% | 2.52M | 0.00 | 760.94K |
ALPHABET INCSOLE | CAP STK CL A | 3.10M | SH | $564.82M 2.78% | 2.36M | 0.00 | 738.61K |
TRANSDIGM GROUP INCSOLE | COM | 363.41K | SH | $464.29M 2.28% | 242.22K | 0.00 | 121.18K |
META PLATFORMS INCSOLE | CL A | 861.57K | SH | $434.42M 2.13% | 622.93K | 0.00 | 238.65K |
VERTIV HOLDINGS COSOLE | COM CL A | 3.57M | SH | $309.13M 1.52% | 2.07M | 0.00 | 1.50M |
AXON ENTERPRISE INCSOLE | COM | 1.05M | SH | $308.23M 1.51% | 583.87K | 0.00 | 463.69K |
SERVICENOW INCSOLE | COM | 358.20K | SH | $281.79M 1.38% | 245.34K | 0.00 | 112.86K |
COMFORT SYS USA INCSOLE | COM | 864.87K | SH | $263.02M 1.29% | 576.67K | 0.00 | 288.19K |
VISA INCSOLE | COM CL A | 882.45K | SH | $231.62M 1.14% | 738.06K | 0.00 | 144.39K |
DEXCOM INCSOLE | COM | 1.97M | SH | $222.83M 1.09% | 1.29M | 0.00 | 670.82K |
LEGEND BIOTECH CORPSOLE | SPONSORED ADS | 4.77M | SH | $211.36M 1.04% | 3.22M | 0.00 | 1.55M |
UBER TECHNOLOGIES INCSOLE | COM | 2.83M | SH | $205.51M 1.01% | 1.82M | 0.00 | 1.01M |
PROGRESSIVE CORPSOLE | COM | 914.48K | SH | $189.95M 0.93% | 562.89K | 0.00 | 351.58K |
WINGSTOP INCSOLE | COM | 436.48K | SH | $184.48M 0.91% | 280.11K | 0.00 | 156.37K |
TAIWAN SEMICONDUCTOR MFG LTDSOLE | SPONSORED ADS | 1.06M | SH | $184.24M 0.91% | 702.46K | 0.00 | 357.57K |
ABBVIE INCSOLE | COM | 1.01M | SH | $172.39M 0.85% | 828.87K | 0.00 | 176.19K |
CADENCE DESIGN SYSTEM INCSOLE | COM | 550.39K | SH | $169.38M 0.83% | 310.10K | 0.00 | 240.30K |
ICON PLCSOLE | SHS | 527.75K | SH | $165.43M 0.81% | 417.73K | 0.00 | 110.02K |
LPL FINL HLDGS INCSOLE | COM | 584.60K | SH | $163.28M 0.80% | 281.59K | 0.00 | 303.01K |
OPTION CARE HEALTH INCSOLE | COM NEW | 5.89M | SH | $163.22M 0.80% | 4.19M | 0.00 | 1.70M |
CHIPOTLE MEXICAN GRILL INCSOLE | COM | 2.56M | SH | $160.28M 0.79% | 1.56M | 0.00 | 1M |
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