Third Harbor
Firm details
- Headquarters
- Cold Spring Harbor, New York
- CRD number
- 343219
- Registered since
- July 22, 2026
- Fee structure
- Percentage of AUM, Performance Based Fees
- Services
- Portfolio Management for Pooled Investment Vehicles
Firm profile
FINTRXOverview
Third Harbor is a newly formed investment adviser organized as a limited partnership and registered with the SEC in 2026. The firm’s stated advisory activity is portfolio management for pooled investment vehicles, and its fee model combines a percentage-of-AUM charge with performance-based fees. Third Harbor is not identified as an active ESG investor, is not reported as a multi-state adviser, and does not describe itself as a capital allocator or pension consultant.
Assets & Accounts
Location & Offices
Investment profile
FINTRXTraditional investments used
Alternative investments used
Active ESG investor
Technology & operations
FINTRXCRM & tech providers
TAMPs used
Clients
FINTRXClient base
Client personas
Location
Cold Spring Harbor, NY
Suffolk
Location
Cold Spring Harbor, NY
Headquartered in Cold Spring Harbor, NY, anchoring the New York-Newark, NY-NJ-CT-PA metro in the Northeast.
- Metro area
- New York-Newark, NY-NJ-CT-PA
- Region
- Northeast
- County
- Suffolk
- Address
- 3 Harbor Rd
- Time zone
- ET (UTC-5)
- Office locations
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