Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Common Stock, $0.01 par value per share
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Shares outstanding
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46.2M
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Number of holders
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124
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Total 13F shares, excl. options
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36.4M
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Shares change
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+222K
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Total reported value, excl. options
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$304M
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Value change
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+$5.42M
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Put/Call ratio
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0.1
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Number of buys
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61
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Number of sells
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-80
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Price
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$8.34
Significant Holders of OCTAVE SPECIALTY GROUP INC - Common Stock, $0.01 par value per share (AMBC) as of Q3 2025
179 filings reported holding AMBC - OCTAVE SPECIALTY GROUP INC - Common Stock, $0.01 par value per share as of Q3 2025.
OCTAVE SPECIALTY GROUP INC - Common Stock, $0.01 par value per share (AMBC) has 124 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 36.4M shares
of 46.2M outstanding shares and own 78.74% of the company stock.
Largest 10 shareholders include BlackRock, Inc. (4.49M shares), Western Standard LLC (2.64M shares), VANGUARD GROUP INC (2.56M shares), DIMENSIONAL FUND ADVISORS LP (2.14M shares), CONTINENTAL GENERAL INSURANCE CO (2.07M shares), GENDELL JEFFREY L (1.86M shares), FMR LLC (1.53M shares), Wolf Hill Capital Management, LP (1.16M shares), Caption Management, LLC (1.12M shares), and Bain Capital Credit, LP (1.11M shares).
This table shows the top 124 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.