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Symbol
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AMBC on NYSE
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Investment type
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Equity / Common Stock, $0.01 par value per share
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Latest Disclosed Ownership
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1.02M shares
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Security Ownership
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2.2%
G1 Execution Services, LLC ownership in OCTAVE SPECIALTY GROUP INC Common Stock, $0.01 par value per share (AMBC)
2025-11-13 - G1 Execution Services, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1.02M shares of OCTAVE SPECIALTY GROUP INC Common Stock, $0.01 par value per share (AMBC).
This represents 2.2% percent ownership of the company.
In their previous filing dated 2025-08-14, SUSQUEHANNA SECURITIES, LLC had reported owning 2.38M shares, indicating a decrease of -57.2% percent.