Gagnon Securities, LLC
Gagnon Securities, LLC is an SEC-registered mass-market adviser in New York, NY with $529.7M assets under management (AUM, regulatory AUM), -3% over one year. See who owns Gagnon Securities, LLC: ownership, executives, custodians, and advisors from SEC Form ADV. CRD 103727, SEC 801-64836, data through 2026-05-04.
- AUM (assets under management / regulatory AUM)
- $529.7M (2026-05-04)
- Firm type
- Mass-Market Adviser
- Location
- New York, NY
- Employees
- 19
- Clients
- 1,202
- CRD
- 103727
- Ownership
- GRANT, SUSAN ELIZABETH; GAGNON, BRIAN JOSEPH; DREW, MAUREEN ONEILL; HOLDEN, KENT DONALD; SEARS, RICHARD MICHAEL
How much AUM does Gagnon Securities, LLC have?
Gagnon Securities, LLC reported $529.7M in assets under management (regulatory AUM) on its most recent SEC Form ADV (2026-05-04).
Who owns Gagnon Securities, LLC?
Disclosed owners and executives of Gagnon Securities, LLC include GRANT, SUSAN ELIZABETH, GAGNON, BRIAN JOSEPH, DREW, MAUREEN ONEILL, HOLDEN, KENT DONALD, SEARS, RICHARD MICHAEL. Full ownership history, officer changes, and indirect owners are on the interactive profile.
View the full interactive profile on ADV.News.