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Accelerant to go private again in $4bn private equity deal

Reported by Intelligentinsurer
Aug 13, 2026· 2 min read
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Key Takeaways
  • • Thoma Bravo has agreed to acquire Accelerant, an Atlanta-based specialty insurance risk exchange platform, in an all-cash take-private transaction valued at more than $4 billion enterprise value, paying $20.25 per share.
  • • Accelerant completed its NYSE IPO in July 2025 at $21 per share, making this a sub-IPO acquisition barely one year after going public, capitalizing on depressed equity valuations post-listing.
  • • Altamont Capital Partners, Accelerant's largest shareholder controlling approximately 82% of voting rights, has committed to retain equity ownership alongside Thoma Bravo and support the transaction, effectively assuring shareholder approval.
  • • The take-private strategy allows Thoma Bravo, a software-focused private equity firm, to acquire the business at a discount to its flotation price following share price deterioration in public markets.
  • • Accelerant's founders and Altamont Capital Partners intend to maintain equity stakes in the company post-acquisition, indicating confidence in the business model under private ownership restructuring.
Summary
Thoma Bravo has secured an agreement to take Accelerant private in an all-cash transaction valued at more than $4 billion in enterprise value, representing a significant reversal for the specialty insurance risk exchange platform less than 14 months after its public market debut. The buyout firm will pay $20.25 per share, acquiring the Atlanta-based company from public shareholders following its July 2025 NYSE listing at $21 per share.

The transaction capitalizes on Accelerant's deteriorated stock performance since flotation. The company's shares have declined substantially below their initial offering price, creating an attractive entry point for Thoma Bravo despite the headline premium appearing large on paper. This dynamic reflects broader market sentiment around insurance technology and specialty risk platforms, offering the private equity acquirer a favorable window for take-private operations.

Altamont Capital Partners, which holds the largest stake with voting control of approximately 82%, has committed to supporting the transaction and retaining equity ownership alongside Thoma Bravo. This continued insider backing—including retention by Accelerant's founders—provides substantial confidence in transaction completion and signals management's alignment with Thoma Bravo's operational strategy under private control. Altamont's 82% voting stake effectively ensures shareholder approval, removing material execution risk from the acquisition timeline.

The deal underscores the software-focused private equity model that Thoma Bravo has deployed across its portfolio, applying operational improvements and strategic restructuring to technology-enabled business services. For Accelerant, the return to private ownership provides runway for operational optimization outside public market pressures, while the retention of insider equity stakes maintains founder and lead investor alignment with long-term value creation objectives.

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Sources

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Intelligentinsurer Accelerant to go private again in $4bn private equity deal