Onex and AIG Acquire 98% of Convex Group in $5.9B Deal

Why It Matters

The leadership shift aligns Convex’s governance with its new majority owners, positioning the carrier for accelerated growth and deeper market penetration under seasoned private‑equity guidance.

Key Takeaways

• Catlin steps down, remains founder and life president
• Le Blanc becomes chairman, also Onex CEO
• Onex holds 63% stake, AIG 35% after $3.8B, $2.1B deals
• Leadership change aligns with re‑capitalization strategy
• Convex focuses on sustainability and global expansion

Pulse Analysis

The appointment of Bobby Le Blanc as chairman marks the first major governance shift for Convex Group since its 2019 founding. Stephen Catlin, the co‑founder who built two global insurers, will retain an honorary role as founder and life president, providing strategic counsel while stepping back from day‑to‑day oversight. This transition reflects a deliberate succession plan that balances continuity with fresh leadership from Onex, the private‑equity firm that now controls the majority of Convex’s equity. Industry observers view the move as a signal that the board is positioning the carrier for accelerated growth under seasoned financial‑services leadership.

The underlying ownership structure underpins the leadership change. In a transaction announced in October 2025 and closed last month, Onex acquired a 63 % stake for roughly $3.8 billion, while AIG purchased 35 % for about $2.1 billion, leaving the management team with the remaining 2 %. The infusion of private‑equity capital provides Convex with a robust balance sheet, enabling it to underwrite larger risks, expand into new markets, and invest in technology platforms. The partnership also aligns Convex with Onex’s broader strategy of building platform insurers that can leverage scale and data.

From a market perspective, the leadership realignment and capital backing could reshape the competitive landscape of specialty insurance. Convex’s emphasis on sustainability initiatives, such as the Convex Seascape Survey, positions it to capture growing demand for ESG‑linked coverage. Moreover, the involvement of a seasoned private‑equity operator may accelerate product innovation and distribution efficiencies, challenging legacy carriers. As the industry grapples with digitization, climate risk, and regulatory change, Convex’s new governance model illustrates how strategic investor partnerships can drive both financial performance and purpose‑driven growth.

Deal Summary

Onex and AIG completed a joint acquisition of a combined 98% equity stake in Convex Group Ltd., a specialty insurer and reinsurer. Onex purchased a 63% stake for approximately $3.8 billion, while AIG bought a 35% stake for about $2.1 billion, leaving the remaining shares with Convex’s management team. The transaction, first announced in October 2025, closed in February 2026.