Filed: 2/13/2023ACC: 0001085146-23-001109
📋 What this filing means
WESTFIELD CAPITAL MANAGEMENT CO LP filed this quarterly 13F‑HR report disclosing 226 equity positions with a total reported market value of $12.96B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
226
Positions
$12.96B
Total AUM (reported)
160.52M
Total Shares
Allocation by class
COM$9.65B74.4%
CL A$749.13M5.8%
COM CL A$557.04M4.3%
SHS$532.15M4.1%
SPONSORED ADR$468.58M3.6%
COM NEW$316.18M2.4%
CAP STK CL A$281.95M2.2%
Portfolio Concentration
Top 3$1.19B9.1%
4–10$1.56B12.1%
11–25$2.04B15.7%
Rest$8.18B63.1%
Top 3 weight
9.1%
Top 10 weight
21.2%
Voting Authority Distribution
Total shares with voting rights: 160.52M
Sole
Full voting authority
135.93M
shares
% of voting shares84.7%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
24.59M
shares
% of voting shares15.3%
Investment Discretion (by position count)
Sole226
Shared0
Other0
Dominant voting typeSole · 84.7% of voting shares
Institutional Holdings226
Rows:
APPLE INC
SOLEShares3.33M
TypeSH
Market value$433.01M
3.34%
Sole
2.90M
Shared
0.00
None
429.82K
ASCENDIS PHARMA A/S
SOLEShares3.16M
TypeSH
Market value$385.71M
2.98%
Sole
2.79M
Shared
0.00
None
367.82K
MICROSOFT CORP
SOLEShares1.53M
TypeSH
Market value$366.51M
2.83%
Sole
1.31M
Shared
0.00
None
217.35K
ALPHABET INC
SOLEShares3.20M
TypeSH
Market value$281.95M
2.17%
Sole
2.83M
Shared
0.00
None
363.68K
ICON PLC
SOLEShares1.39M
TypeSH
Market value$270.24M
2.08%
Sole
1.18M
Shared
0.00
None
209.04K
TRANSDIGM GROUP INC
SOLEShares379.17K
TypeSH
Market value$238.74M
1.84%
Sole
317.67K
Shared
0.00
None
61.49K
VISA INC
SOLEShares1.10M
TypeSH
Market value$227.85M
1.76%
Sole
955.59K
Shared
0.00
None
141.09K
UNITEDHEALTH GROUP INC
SOLEShares375.79K
TypeSH
Market value$199.24M
1.54%
Sole
327.57K
Shared
0.00
None
48.22K
WESCO INTL INC
SOLEShares1.39M
TypeSH
Market value$174.25M
1.34%
Sole
1.15M
Shared
0.00
None
243.59K
DEXCOM INC
SOLEShares1.52M
TypeSH
Market value$171.95M
1.33%
Sole
1.20M
Shared
0.00
None
314.51K
HOME DEPOT INC
SOLEShares533.91K
TypeSH
Market value$168.64M
1.30%
Sole
459.45K
Shared
0.00
None
74.46K
AMETEK INC
SOLEShares1.18M
TypeSH
Market value$165.53M
1.28%
Sole
966.35K
Shared
0.00
None
218.37K
AMAZON COM INC
SOLEShares1.96M
TypeSH
Market value$164.57M
1.27%
Sole
1.72M
Shared
0.00
None
240.70K
BIO RAD LABS INC
SOLEShares389.50K
TypeSH
Market value$163.78M
1.26%
Sole
347.39K
Shared
0.00
None
42.12K
FORTINET INC
SOLEShares2.96M
TypeSH
Market value$144.63M
1.12%
Sole
2.39M
Shared
0.00
None
569.61K
IDEX CORP
SOLEShares595.28K
TypeSH
Market value$135.92M
1.05%
Sole
488.46K
Shared
0.00
None
106.82K
SERVICENOW INC
SOLEShares327.93K
TypeSH
Market value$127.33M
0.98%
Sole
288K
Shared
0.00
None
39.94K
TAPESTRY INC
SOLEShares3.32M
TypeSH
Market value$126.46M
0.98%
Sole
2.74M
Shared
0.00
None
580.47K
LPL FINL HLDGS INC
SOLEShares582.78K
TypeSH
Market value$125.98M
0.97%
Sole
494.07K
Shared
0.00
None
88.72K
LULULEMON ATHLETICA INC
SOLEShares377.45K
TypeSH
Market value$120.93M
0.93%
Sole
299.72K
Shared
0.00
None
77.73K
LILLY ELI & CO
SOLEShares328.12K
TypeSH
Market value$120.04M
0.93%
Sole
279.76K
Shared
0.00
None
48.36K
HUBSPOT INC
SOLEShares412.95K
TypeSH
Market value$119.40M
0.92%
Sole
345.80K
Shared
0.00
None
67.16K
SAIA INC
SOLEShares566.29K
TypeSH
Market value$118.74M
0.92%
Sole
499.71K
Shared
0.00
None
66.58K
DEVON ENERGY CORP NEW
SOLEShares1.92M
TypeSH
Market value$118.00M
0.91%
Sole
1.67M
Shared
0.00
None
250.21K
SUN CMNTYS INC
SOLEShares808.37K
TypeSH
Market value$115.60M
0.89%
Sole
678.74K
Shared
0.00
None
129.63K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
APPLE INCSOLE | COM | 3.33M | SH | $433.01M 3.34% | 2.90M | 0.00 | 429.82K |
ASCENDIS PHARMA A/SSOLE | SPONSORED ADR | 3.16M | SH | $385.71M 2.98% | 2.79M | 0.00 | 367.82K |
MICROSOFT CORPSOLE | COM | 1.53M | SH | $366.51M 2.83% | 1.31M | 0.00 | 217.35K |
ALPHABET INCSOLE | CAP STK CL A | 3.20M | SH | $281.95M 2.17% | 2.83M | 0.00 | 363.68K |
ICON PLCSOLE | SHS | 1.39M | SH | $270.24M 2.08% | 1.18M | 0.00 | 209.04K |
TRANSDIGM GROUP INCSOLE | COM | 379.17K | SH | $238.74M 1.84% | 317.67K | 0.00 | 61.49K |
VISA INCSOLE | COM CL A | 1.10M | SH | $227.85M 1.76% | 955.59K | 0.00 | 141.09K |
UNITEDHEALTH GROUP INCSOLE | COM | 375.79K | SH | $199.24M 1.54% | 327.57K | 0.00 | 48.22K |
WESCO INTL INCSOLE | COM | 1.39M | SH | $174.25M 1.34% | 1.15M | 0.00 | 243.59K |
DEXCOM INCSOLE | COM | 1.52M | SH | $171.95M 1.33% | 1.20M | 0.00 | 314.51K |
HOME DEPOT INCSOLE | COM | 533.91K | SH | $168.64M 1.30% | 459.45K | 0.00 | 74.46K |
AMETEK INCSOLE | COM | 1.18M | SH | $165.53M 1.28% | 966.35K | 0.00 | 218.37K |
AMAZON COM INCSOLE | COM | 1.96M | SH | $164.57M 1.27% | 1.72M | 0.00 | 240.70K |
BIO RAD LABS INCSOLE | CL A | 389.50K | SH | $163.78M 1.26% | 347.39K | 0.00 | 42.12K |
FORTINET INCSOLE | COM | 2.96M | SH | $144.63M 1.12% | 2.39M | 0.00 | 569.61K |
IDEX CORPSOLE | COM | 595.28K | SH | $135.92M 1.05% | 488.46K | 0.00 | 106.82K |
SERVICENOW INCSOLE | COM | 327.93K | SH | $127.33M 0.98% | 288K | 0.00 | 39.94K |
TAPESTRY INCSOLE | COM | 3.32M | SH | $126.46M 0.98% | 2.74M | 0.00 | 580.47K |
LPL FINL HLDGS INCSOLE | COM | 582.78K | SH | $125.98M 0.97% | 494.07K | 0.00 | 88.72K |
LULULEMON ATHLETICA INCSOLE | COM | 377.45K | SH | $120.93M 0.93% | 299.72K | 0.00 | 77.73K |
LILLY ELI & COSOLE | COM | 328.12K | SH | $120.04M 0.93% | 279.76K | 0.00 | 48.36K |
HUBSPOT INCSOLE | COM | 412.95K | SH | $119.40M 0.92% | 345.80K | 0.00 | 67.16K |
SAIA INCSOLE | COM | 566.29K | SH | $118.74M 0.92% | 499.71K | 0.00 | 66.58K |
DEVON ENERGY CORP NEWSOLE | COM | 1.92M | SH | $118.00M 0.91% | 1.67M | 0.00 | 250.21K |
SUN CMNTYS INCSOLE | COM | 808.37K | SH | $115.60M 0.89% | 678.74K | 0.00 | 129.63K |
Page 1 of 10
…