Key Takeaways
- • Thoma Bravo has agreed to acquire Accelerant Holdings, a specialty insurance risk exchange platform, in a take-private transaction valued at more than $4 billion, with the deal announced on August 13, 2026.
- • Accelerant shareholders will receive $20.25 per share in cash, representing a 49% premium to the stock's closing price on August 12, 2026, reflecting a significant valuation uplift from the company's July 2025 IPO.
- • Altamont Capital Partners, Accelerant's largest investor and a principal shareholder, intends to retain equity ownership alongside Thoma Bravo, with final terms to be determined prior to closing in the first half of 2027.
- • Ropes & Gray LLP served as legal counsel to Altamont Capital Partners in the transaction, with a team led by private equity partners Jay Freedman and Elizabeth Gallucci.
- • The transaction is subject to regulatory and shareholder approvals and is expected to close during the first half of 2027, marking an exit opportunity for Altamont following Accelerant's public market debut approximately one year prior.
Summary
Thoma Bravo has entered into a definitive agreement to acquire Accelerant Holdings, NYSE-listed specialty insurance risk exchange platform, in an all-cash take-private transaction with an enterprise value exceeding $4 billion. The transaction was announced on August 13, 2026, and represents a significant value creation event for the company's shareholders and investors. Under the merger agreement, Accelerant Class A and Class B stockholders will receive $20.25 per share in cash, representing a 49% premium to the company's closing share price on August 12, 2026.
Altamont Capital Partners, which currently holds the largest shareholder stake in Accelerant, led the company's Series A investment in 2019 and remains a principal stakeholder. As part of the transaction structure, Altamont and Accelerant's founders intend to retain equity ownership alongside Thoma Bravo going forward, with the specific ownership percentages and other terms to be finalized prior to the transaction's anticipated closing. This rollover equity arrangement is typical in take-private transactions involving mature platforms and reflects confidence in Accelerant's future prospects under Thoma Bravo's ownership and operational platform.
Ropes & Gray LLP represented Altamont Capital Partners in negotiating and structuring the transaction. The legal team was led by private equity partners Jay Freedman and Elizabeth Gallucci, with support from private equity associate Anna Park. The deal is expected to close during the first half of 2027, subject to customary closing conditions, including regulatory approvals and shareholder approval. Altamont Capital Partners, a middle-market private equity firm managing over $4 billion of capital with a focus on financial services, industrial, and business services sectors, has invested in more than 50 companies over its operating history. The transaction follows Accelerant's initial public offering in July 2025, when the company raised $832.2 million in an upsized IPO and began trading on the New York Stock Exchange under the ticker ARX.
Altamont Capital Partners, which currently holds the largest shareholder stake in Accelerant, led the company's Series A investment in 2019 and remains a principal stakeholder. As part of the transaction structure, Altamont and Accelerant's founders intend to retain equity ownership alongside Thoma Bravo going forward, with the specific ownership percentages and other terms to be finalized prior to the transaction's anticipated closing. This rollover equity arrangement is typical in take-private transactions involving mature platforms and reflects confidence in Accelerant's future prospects under Thoma Bravo's ownership and operational platform.
Ropes & Gray LLP represented Altamont Capital Partners in negotiating and structuring the transaction. The legal team was led by private equity partners Jay Freedman and Elizabeth Gallucci, with support from private equity associate Anna Park. The deal is expected to close during the first half of 2027, subject to customary closing conditions, including regulatory approvals and shareholder approval. Altamont Capital Partners, a middle-market private equity firm managing over $4 billion of capital with a focus on financial services, industrial, and business services sectors, has invested in more than 50 companies over its operating history. The transaction follows Accelerant's initial public offering in July 2025, when the company raised $832.2 million in an upsized IPO and began trading on the New York Stock Exchange under the ticker ARX.
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