Ambac Financial Changes Name to Octave Specialty Group and Will Update Stock Symbols
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Nov 10 2025
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Rebranding Announcement: Ambac Financial has rebranded itself as Octave Specialty Group, effective November 20, when it will start trading under the new ticker symbol OSG.
Division Name Changes: The company's insurance distribution division will be rebranded, with Cirrata Group becoming Octave Partners and Beat Capital Partners changing to Octave Ventures.
Existing Brands: The company's managing general agents (MGAs) and its hybrid fronting carrier, Everspan Group, will continue to operate under their current brand names.
Strategic Focus: The rebranding reflects a strategic shift in the company's operations and identity, aiming to enhance its market presence and operational clarity.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
