Flexstone Partners Acquires Glouston Capital Partners to Build $15 Billion Private Markets Platform

June 17, 2026

Flexstone Partners agreed to acquire Glouston Capital Partners, a Boston-based private equity secondaries manager, to create a scaled private markets platform managing more than $15 billion across primary, co-investment and secondary strategies. The deal combines Flexstone’s global primary/co-investment capabilities with Glouston’s North American secondary presence and U.S. distribution leadership.

Buyers
Flexstone Partners, Natixis Investment Managers
Targets
Glouston Capital Partners
Platforms
Flexstone Partners
Location
Massachusetts, United States
Transaction Type
Buyout

Explore More

Build a buyer list for your deal

Find active buyers from recent acquisition patterns and move straight into outreach.