Westfield Capital Management Company, L.P.
● SEC registered since 2008CRD 146990SEC# 801-69413Boston, MA
Ranks #484 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$24.4B
Fund GAV
$71.1M
Private funds
2
Employees
61
Accounts
1,118
Location
Boston, MA
Westfield Capital Management Company, L.P. assets under management
Westfield Capital Management Company, L.P. operates as an SEC-registered investment adviser based in Boston, MA. The firm has been registered since 2008. It reports $24.4 billion in regulatory assets under management and employs 61 people. Westfield Capital Management Company, L.P. manages 2 private funds with combined gross assets of $71.1 million, including Westfield Absolute Return Fund Limited Partnership. By regulatory assets, it ranks 484 of 6,004 private fund managers.
Westfield Capital Management Company, L.P. private funds
2 funds · $71.1M GAV| Fund | Type | Gross assets | Min. |
|---|---|---|---|
| Westfield Absolute Return Fund Limited Partnership | Hedge | $35.7M | $500K |
| Westfield Select Growth Equity LP | Other Private | $35.4M | $1M |
Westfield Capital Management Company, L.P. owners & executives
17 reported| Name | Title | Ownership | Since |
|---|---|---|---|
| John Morgen Montgomery Control | Chief Operating Officer | Under 5% | 2015 |
| Kathryn Ann Kearney Control | Partner, Chief Financial Officer And Chief Compliance Officer | Under 5% | 2012 |
| Mg Am Holding, Inc. | Limited Partner | 10-25% | 2025 |
See all 17 owners & executives — unlock the full record.
Join to unlock · $37/moFrequently asked questions
How much does Westfield Capital Management Company, L.P. manage?
Westfield Capital Management Company, L.P. reports $24.4 billion in regulatory assets under management on its Form ADV.
How many private funds does Westfield Capital Management Company, L.P. manage?
Westfield Capital Management Company, L.P. manages 2 private funds with combined gross assets of $71.1 million.
How many employees does Westfield Capital Management Company, L.P. have?
Westfield Capital Management Company, L.P. reports 61 employees.
Where is Westfield Capital Management Company, L.P. located?
Westfield Capital Management Company, L.P. is based in Boston, MA and has been SEC-registered since 2008.
Does Westfield Capital Management Company, L.P. disclose fund performance?
Westfield Capital Management Company, L.P. is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.
Contact & registration
| Address | One Financial Center, Boston, MA 02111 |
| Phone | (617) 428-7100 |
| Fax | (617) 428-7190 |
| Office hours | 8:30a.m. - 5:00p.m. |
| SEC region | Boston Regional Office (BRO) |
| Discloses disciplinary history | No |
Regulatory AUM
$24.4B▲ 4%
Mar '25Form ADV, monthlyJun '26
How this firm compares
Regulatory AUMTop 5%
Larger than 95% of 16,271 advisers
AUM vs fund managersTop 8%
Larger than 92% of 6,004 private-fund managers
Number of fundsTop 63%
More funds than 37% of fund managers
EmployeesTop 10%
More than 90% of 16,825 advisers
Assets under management
$24.4Bregulatory AUM
Discretionary $24.4B
Fund type mix
Hedge1
Other Private1
Service providers
Auditor
Prime broker
Custodian
Administrator