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Ambac Financial Group (AMBC) Institutional Ownership

Ambac Financial Group logo
$8.03 -0.19 (-2.36%)
Closing price 08/14/2025 03:59 PM Eastern
Extended Trading
$8.02 -0.01 (-0.14%)
As of 05:28 AM Eastern
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Institutional Ownership Changes (13F Filings) for Ambac Financial Group (NYSE:AMBC)

Current
Institutional Ownership
Percentage
84.49%
Number of
Institutional Buyers
(last 12 months)
101
Total
Institutional Inflows
(last 12 months)
$94.59M
Number of
Institutional Sellers
(last 12 months)
51
Total
Institutional Outflows
(last 12 months)
$62.80M
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AMBC Institutional Buying and Selling by Quarter

Ambac Financial Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025FJ Capital Management LLC24,677$175K0.0%N/A0.053%
8/14/2025Immersion Corp300,000$2.13M1.1%N/A0.647%
8/14/2025The Manufacturers Life Insurance Company 17,993$128K0.0%+9.9%0.039%
8/14/2025Sei Investments Co.23,565$167K0.0%-15.8%0.051%
8/14/2025Nebula Research & Development LLC107,124$761K0.1%+46.5%0.231%
8/14/2025Qube Research & Technologies Ltd37,584$267K0.0%N/A0.081%
8/14/2025WINTON GROUP Ltd15,197$108K0.0%N/A0.033%
8/14/2025 Continental General Insurance Co.1,218,349$8.65M2.2%N/A2.626%
8/14/2025 Cerity Partners LLC11,851$84K0.0%N/A0.026%
8/14/2025 Federated Hermes Inc.5,231$37K0.0%N/A0.011%
8/13/2025 Marshall Wace LLP648,155$4.60M0.0%+215.5%1.397%
8/13/2025 Walleye Capital LLC38,094$270K0.0%-174.7%0.082%
8/13/2025 Invesco Ltd.170,436$1.21M0.0%-5.6%0.367%
8/13/2025 Quantbot Technologies LP18,834$134K0.0%-81.2%0.041%
8/13/2025 Third Avenue Management LLC603,391$4.28M0.9%+64.7%1.300%
8/13/2025 Aurelius Capital Management LP60,546$430K2.9%N/A0.130%
8/13/2025 Norges Bank75,000$532K0.0%N/A0.162%
8/13/2025 Hsbc Holdings PLC97,348$675K0.0%-54.8%0.210%
8/12/2025 XTX Topco Ltd38,524$274K0.0%-67.8%0.083%
8/12/2025 American Century Companies Inc.438,335$3.11M0.0%-48.8%0.945%
8/12/2025 Rhumbline Advisers74,916$532K0.0%+7.7%0.161%
8/12/2025 AXQ Capital LP35,439$252K0.1%+27.7%0.076%
8/12/2025 Legal & General Group Plc4,305$31K0.0%-90.1%0.009%
8/12/2025 JPMorgan Chase & Co.31,231$222K0.0%-50.8%0.067%
8/11/2025 Empirical Finance LLC72,182$512K0.0%N/A0.156%
8/8/2025 Intech Investment Management LLC41,388$294K0.0%+11.4%0.089%
8/8/2025 Creative Planning20,421$145K0.0%N/A0.044%
8/8/2025 Geode Capital Management LLC1,122,616$7.97M0.0%+2.5%2.418%
8/7/2025 Prescott Group Capital Management L.L.C.875,977$6.22M0.7%+98.0%1.887%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.111,053$788K0.0%+256.0%0.239%
8/6/2025 Fox Run Management L.L.C.37,922$269K0.0%-16.0%0.082%
8/1/2025 Y Intercept Hong Kong Ltd350,701$2.49M0.1%+139.5%0.755%
7/30/2025 First Citizens Bank & Trust Co.43,210$307K0.0%+207.1%0.093%
7/29/2025 VELA Investment Management LLC122,770$872K0.2%+32.9%0.264%
7/25/2025 Envestnet Portfolio Solutions Inc.41,667$296K0.0%+232.6%0.090%
7/25/2025 CWM LLC3,962$28K0.0%+65,933.3%0.009%
6/27/2025Goldman Sachs Group Inc.680,179$5.95M0.0%-42.6%1.465%
5/29/2025 Rhumbline Advisers69,540$608K0.0%-50.7%0.150%
5/16/2025 Empowered Funds LLC195,127$1.71M0.0%+7.4%0.382%
5/16/2025Caxton Associates LLP65,647$574K0.0%N/A0.128%
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5/16/2025Goldman Sachs Group Inc.680,179$5.95M0.0%-42.6%1.331%
5/16/2025 Dynamic Technology Lab Private Ltd64,233$562K0.1%N/A0.126%
5/16/2025Petrus Trust Company LTA19,432$170K0.0%N/A0.038%
5/16/2025Millennium Management LLC508,686$4.45M0.0%+142.7%0.996%
5/15/2025Cubist Systematic Strategies LLC170,643$1.49M0.0%+289.5%0.334%
5/15/2025DRW Securities LLC10,800$94K0.0%N/A0.021%
5/15/2025 Magnetar Financial LLC27,188$238K0.0%N/A0.053%
5/15/2025State of Wyoming14,758$129K0.0%+469.4%0.029%
5/15/2025 Trexquant Investment LP161,096$1.41M0.0%N/A0.315%
5/14/2025 Corebridge Financial Inc.22,301$195K0.0%-8.2%0.044%
5/14/2025 MetLife Investment Management LLC23,542$206K0.0%-12.3%0.046%
5/14/2025Hotchkis & Wiley Capital Management LLC557,680$4.88M0.0%-33.4%1.092%
5/14/2025 AlphaQuest LLC6,947$61K0.0%N/A0.014%
5/14/2025 EntryPoint Capital LLC20,235$177K0.1%N/A0.040%
5/14/2025 Third Avenue Management LLC366,461$3.21M0.6%+59.0%0.717%
5/14/2025 Hsbc Holdings PLC215,435$1.88M0.0%-31.0%0.422%
5/14/2025 Quantbot Technologies LP100,308$878K0.0%+148.1%0.196%
5/13/2025Algert Global LLC62,719$549K0.0%-29.1%0.123%
5/13/2025 American Century Companies Inc.856,261$7.49M0.0%-7.9%1.676%
5/13/2025 Fox Run Management L.L.C.45,171$395K0.1%+68.4%0.088%
5/13/2025 KLCM Advisors Inc.24,000$210K0.0%+71.4%0.047%
5/12/2025 Public Sector Pension Investment Board72,000$630K0.0%-62.3%0.141%
5/12/2025 Nuveen LLC282,657$2.47M0.0%N/A0.553%
5/12/2025 Invesco Ltd.180,495$1.58M0.0%-51.9%0.353%
5/12/2025 Connor Clark & Lunn Investment Management Ltd.31,199$273K0.0%-34.0%0.061%
5/12/2025 Swiss National Bank91,900$804K0.0%-1.5%0.180%
5/9/2025 Deutsche Bank AG723,250$6.33M0.0%+7.1%1.416%
5/9/2025 Charles Schwab Investment Management Inc.378,764$3.31M0.0%-25.0%0.741%
5/9/2025 Vanguard Group Inc.2,660,882$23.28M0.0%-17.3%5.208%
5/8/2025 XTX Topco Ltd119,607$1.05M0.1%+326.3%0.234%
5/7/2025 Prescott Group Capital Management L.L.C.442,364$3.87M0.6%+127.0%0.866%
5/6/2025 Royce & Associates LP66,122$579K0.0%-9.3%0.129%
5/6/2025 Y Intercept Hong Kong Ltd146,446$1.28M0.1%+277.0%0.287%
4/30/2025 Mraz Amerine & Associates Inc.19,550$169K0.0%+31.2%0.038%
4/29/2025 Bank of New York Mellon Corp144,073$1.26M0.0%-51.4%0.282%
4/29/2025 VELA Investment Management LLC92,412$809K0.3%+47.7%0.181%
4/21/2025 Envestnet Portfolio Solutions Inc.12,527$110K0.0%N/A0.025%
4/15/2025 SG Americas Securities LLC36,196$317K0.0%N/A0.078%
4/14/2025 First Citizens Bank & Trust Co.14,070$123K0.0%N/A0.030%
4/8/2025 Rhumbline Advisers69,540$608K0.0%-50.7%0.150%
4/7/2025 GAMMA Investing LLC4,463$39K0.0%+191.9%0.010%
3/18/2025California State Teachers Retirement System44,277$560K0.0%+3.9%0.096%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC194,034$2.46M0.0%+23.6%0.409%
2/17/2025Western Standard LLC453,530$5.74M3.8%+64.3%0.956%
2/17/2025Two Sigma Advisers LP21,100$267K0.0%N/A0.044%
2/17/2025Two Sigma Investments LP132,295$1.67M0.0%+41.1%0.279%
2/17/2025State of Wyoming2,592$33K0.0%-89.6%0.005%
2/17/2025Point72 Asset Management L.P.7,300$92K0.0%N/A0.015%
2/17/2025 ProShare Advisors LLC13,756$174K0.0%N/A0.029%
2/17/2025Nuveen Asset Management LLC824,357$10.43M0.0%+65.5%1.738%
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Click here for the names of our three top stocks to own this year (no purchase necessary).
2/17/2025Millennium Management LLC209,592$2.65M0.0%-24.0%0.442%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.25,807$326K0.0%+8.2%0.054%
2/17/2025Graham Capital Management L.P.51,489$651K0.0%+196.6%0.109%
2/17/2025D. E. Shaw & Co. Inc.431,135$5.45M0.0%-9.3%0.909%
2/17/2025 Deutsche Bank AG675,133$8.54M0.0%-2.1%1.423%
2/17/2025 Cresset Asset Management LLC22,563$285K0.0%-8.5%0.048%
2/17/2025Cubist Systematic Strategies LLC43,808$554K0.0%-89.4%0.092%
2/17/2025 Centiva Capital LP35,111$444K0.0%-21.9%0.074%
2/17/2025Bridgeway Capital Management LLC291,633$3.69M0.1%+3.1%0.615%
2/17/2025Bayesian Capital Management LP10,076$127K0.0%N/A0.021%
(Data available from 1/1/2016 forward)

AMBC Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AMBC shares?

During the previous two years, 161 institutional investors and hedge funds held shares of Ambac Financial Group. The most heavily invested institutionals were Dimensional Fund Advisors LP ($34.23M), Repertoire Partners LP ($31.93M), Vanguard Group Inc. ($23.28M), FMR LLC ($19.42M), State Street Corp ($18.54M), Boussard & Gavaudan Investment Management LLP ($13.89M), and Wolf Hill Capital Management LP ($12.65M).Learn more on Ambac Financial Group's institutional investors.

What percentage of Ambac Financial Group's stock is owned by institutional investors?

84.49% of Ambac Financial Group's stock is owned by institutional investors. Learn more on AMBC's institutional investor holdings.

Which institutional investors have been buying Ambac Financial Group's stock?

Of the 131 institutional investors that purchased Ambac Financial Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Continental General Insurance Co. ($1.22M), Wolf Hill Capital Management LP ($1.00M), Marshall Wace LLP ($718.96K), Prescott Group Capital Management L.L.C. ($681.08K), Portolan Capital Management LLC ($589.44K), Western Standard LLC ($453.53K), and Third Avenue Management LLC ($372.98K).

How much institutional buying is happening at Ambac Financial Group?

Institutional investors have bought a total of 9,761,396 shares in the last 24 months. This purchase volume represents approximately $94.59M in transactions.

Which of Ambac Financial Group's major shareholders have been selling company stock?

Of the 49 institutional investors that sold Ambac Financial Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Vanguard Group Inc. ($1.46M), Goldman Sachs Group Inc. ($1.01M), American Century Companies Inc. ($491.01K), Cubist Systematic Strategies LLC ($368.37K), Hotchkis & Wiley Capital Management LLC ($279.97K), Bank of New York Mellon Corp ($234.71K), and Hsbc Holdings PLC ($231.62K).

How much institutional selling is happening at Ambac Financial Group?

Institutional investors have sold a total of 6,193,032 shares in the last 24 months. This volume of shares sold represents approximately $62.80M in transactions.


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This page (NYSE:AMBC) was last updated on 8/15/2025 by MarketBeat.com Staff
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