Gw&k Investment Management, LLC
● SEC registered since 2002CRD 121942SEC# 801-61559Boston, MA
Ranks #270 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$52.78B
Fund GAV
$171M
Private funds
3
Employees
177
Accounts
48,710
Location
Boston, MA
Gw&k Investment Management, LLC assets under management
Gw&k Investment Management, LLC operates as an SEC-registered investment adviser based in Boston, MA. The firm has been registered since 2002. It reports $52.8 billion in regulatory assets under management and employs 177 people. Gw&k Investment Management, LLC manages 3 private funds with combined gross assets of $171 million, including Gw&k International Small Cap Fund II, L.P. By regulatory assets, it ranks 270 of 6,004 private fund managers.
Gw&k Investment Management, LLC private funds
3 funds · $171M GAV| Fund | Type | Gross assets | Min. |
|---|---|---|---|
| Gw&k International Small Cap Fund II, L.P. | Hedge | $75.7M | $1M |
| Gw&k International Small Cap Fund, L.P. | Hedge | $66.2M | $250K |
| Gw&k Long Term International Small Cap Fund, L.P. | Hedge | $29.1M | $1M |
Gw&k Investment Management, LLC owners & executives
8 reported| Name | Title | Ownership | Since |
|---|---|---|---|
| Amg Boston Holdings, LLC | Manager Member | 50-75% | 2008 |
| Brian Timothy Maguire | Chief Financial Officer | Under 5% | 2025 |
| David John Rouse | Chief Compliance Officer | Under 5% | 2021 |
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Join to unlock · $37/moFrequently asked questions
How much does Gw&k Investment Management, LLC manage?
Gw&k Investment Management, LLC reports $52.8 billion in regulatory assets under management on its Form ADV.
How many private funds does Gw&k Investment Management, LLC manage?
Gw&k Investment Management, LLC manages 3 private funds with combined gross assets of $171 million.
How many employees does Gw&k Investment Management, LLC have?
Gw&k Investment Management, LLC reports 177 employees.
Where is Gw&k Investment Management, LLC located?
Gw&k Investment Management, LLC is based in Boston, MA and has been SEC-registered since 2002.
Does Gw&k Investment Management, LLC disclose fund performance?
Gw&k Investment Management, LLC is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.
Contact & registration
| Address | 222 Berkeley Street, 15th Floor, Boston, MA 02116 |
| Phone | 617-236-8900 |
| Fax | 617-236-1815 |
| Office hours | 8:30a.m. To 5:00p.m. |
| SEC region | Boston Regional Office (BRO) |
| CIK | 1082917 |
| Discloses disciplinary history | No |
Regulatory AUM
$52.78BNo change
Mar '25Form ADV, monthlyJun '26
How this firm compares
Regulatory AUMTop 3%
Larger than 97% of 16,271 advisers
AUM vs fund managersTop 4%
Larger than 96% of 6,004 private-fund managers
Number of fundsTop 53%
More funds than 47% of fund managers
EmployeesTop 4%
More than 96% of 16,825 advisers
Assets under management
$52.78Bregulatory AUM
Discretionary $52.78B