Flexstone acquires Glouston Capital Partners
Analysis based on 9 articles · First reported Jun 17, 2026 · Last updated Jun 17, 2026
The acquisition of Glouston Capital Partners by Flexstone Partners is expected to create a larger, more diversified private equity platform, potentially increasing competition and offering a broader range of investment solutions to institutional investors. This move by Natixis — Natixis Investment Managers signals a strategic focus on expanding its private assets portfolio, which could lead to increased investor confidence in the private markets segment. The combined entity's increased assets under management and expanded capabilities may attract more capital flows into private equity.
Flexstone Partners, a global private markets investment manager and an affiliate of Natixis — Natixis Investment Managers, has agreed to acquire Glouston Capital Partners, a Boston-based private equity secondaries manager. This acquisition will create a combined platform managing over $15 billion in assets across Primary, Co-Investment, and Secondary strategies, serving institutional investors globally. The transaction aims to strengthen Flexstone Partners' North American secondary capabilities and expand its ability to offer a broader range of investment solutions, including private equity, private debt, infrastructure, and real estate. Glouston Capital Partners' partners will roll a substantial portion of their equity into the combined firm and become Managing Partners of Flexstone Partners, ensuring alignment of interest. The combined entity will operate across five offices in New York, Boston, Paris, Geneva, and Singapore with 37 investment professionals. Glouston Capital Partners' strategies will be rebranded under the Flexstone Partners name post-transaction.
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