Ambac Financial Group Rebrands as Octave Specialty Group
Claude LeBlanc, President and CEO, Octave Specialty Group, Inc. • Photo Credit: Octave Specialty Group, Inc.
NEW YORK, November 10, 2025 (FINANCE INTERVIEWS) — Insurance company Ambac Financial Group, Inc. has rebranded as Octave Specialty Group, Inc., marking its transition into a specialty insurance platform. The firm will begin trading under the new ticker symbol “OSG” on the New York Stock Exchange on November 20, 2025.
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The rebrand follows the company’s sale of its legacy financial guarantee business and reflects its focus on building and acquiring managing general agency (MGA) businesses across the United States, the United Kingdom, and Bermuda.
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“Octave represents both the culmination of our multi-year transformation and the beginning of a bold new journey. We are now a dynamic, diversified specialty insurance enterprise — harmonizing entrepreneurial, high-performing businesses under one shared vision,” said Claude LeBlanc, President and Chief Executive Officer of Octave Specialty Group.
As part of the transition, Cirrata Group will now operate as Octave Partners, serving as the company’s acquisition division, while Beat Capital Partners will become Octave Ventures, functioning as its incubation division. The company’s MGAs and hybrid fronting carrier, Everspan Group, will retain their existing brand identities.
The new Octave brand identity includes a redesigned logo, updated visual system, and new website. In a press release, company stated that the branding reflects its commitment to innovation, collaboration, and performance across its portfolio of specialty insurance businesses.
“Octave captures who we are today — a family of unique, entrepreneurial businesses working in concert to deliver sustainable growth and long-term value,” said LeBlanc.
For more information, visit www.octavegroup.com.
Source: Octave Specialty Group
