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AMBC Insider Trading

Insider Ownership Percentage: 6.20%
Insider Buying (Last 12 Months): $486,355.00
Insider Selling (Last 12 Months): $0.00

Ambac Financial Group Insider Trading History Chart

This chart shows the insider buying and selling history at Ambac Financial Group by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Ambac Financial Group Share Price & Price History

Current Price: $9.04
Price Change: ▼ Price Decrease of -0.04 (-0.44%)
As of 11/19/2025 08:47 PM ET

This chart shows the closing price history over time for AMBC up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Ambac Financial Group Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/12/2025R Sharon SmithCOOBuy20$10.25$205.00170,952View SEC Filing Icon  
10/1/2025Claude LeBlancCEOBuy25,000$8.54$213,500.001,021,777View SEC Filing Icon  
8/11/2025Claude LeBlancCEOBuy25,000$7.03$175,750.00603,291View SEC Filing Icon  
5/14/2025Jeffrey Scott SteinDirectorBuy15,000$6.46$96,900.0050,000View SEC Filing Icon  
9/26/2024Kristi Ann MatusDirectorBuy2,700$11.27$30,429.002,700View SEC Filing Icon  
8/8/2024R Sharon SmithVPBuy1,100$10.64$11,704.0074,707View SEC Filing Icon  
8/7/2024David TrickCFOBuy3,700$10.76$39,812.00156,082View SEC Filing Icon  
8/7/2024Jeffrey Scott SteinDirectorBuy25,000$10.82$270,500.0035,000View SEC Filing Icon  
8/7/2024Stephen Michael KsenakGeneral CounselBuy5,000$11.00$55,000.00116,609View SEC Filing Icon  
9/1/2023Claude LeBlancCEOBuy2,500$13.29$33,225.00502,416View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Ambac Financial Group (NYSE:AMBC)

84.49% of Ambac Financial Group stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AMBC by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Ambac Financial Group Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Verition Fund Management LLC20,533$0.17M0.0%-47.8%0.047%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC17,878$0.15M0.0%N/A0.041%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC700,895$5.85M0.0%-29.6%1.600%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20,052$0.17M0.0%-23.7%0.046%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP35,485$0.30M0.0%-30.0%0.081%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE203,202$1.70M0.0%+22.2%0.464%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC12,588$0.11M0.0%N/A0.029%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC548,442$4.57M0.0%+92.0%1.182%Search for SEC Filing on Google Icon
11/14/2025Creative Planning90,303$0.75M0.0%+342.2%0.195%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC319,493$2.67M0.1%+0.7%0.689%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC175,017$1.46M0.0%-70.8%0.377%Search for SEC Filing on Google Icon
11/14/2025Arrowpoint Investment Partners Singapore Pte. Ltd.203,011$1.69M1.7%N/A0.438%Search for SEC Filing on Google Icon
11/14/2025Continental General Insurance Co.2,068,349$17.25M3.4%+69.8%4.457%Search for SEC Filing on Google Icon
11/13/2025Wolf Hill Capital Management LP1,158,197$9.66M0.9%+67.0%2.496%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG279,489$2.33M0.0%-22.4%0.602%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets89,147$0.74M0.0%-25.4%0.192%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.4,916$41K0.0%+613.5%0.011%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC669,513$5.58M0.0%+47.2%1.443%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP2,141,047$17.86M0.0%-10.6%4.614%Search for SEC Filing on Google Icon
11/12/2025Western Standard LLC2,641,351$22.03M6.5%N/A5.692%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC22,520$0.19M0.0%-45.6%0.049%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.2,555,181$21.31M0.0%-0.5%5.507%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.34,555$0.29M0.0%+10.6%0.074%Search for SEC Filing on Google Icon
11/6/2025Prescott Group Capital Management L.L.C.895,977$7.47M0.8%+2.3%1.931%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers67,170$0.56M0.0%-10.3%0.145%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd150,489$1.26M0.0%-57.1%0.324%Search for SEC Filing on Google Icon
10/30/2025VELA Investment Management LLC180,089$1.50M0.4%+46.7%0.388%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC75,415$0.63M0.0%+248.5%0.163%Search for SEC Filing on Google Icon
10/15/2025CWM LLC6,961$58K0.0%+75.7%0.015%Search for SEC Filing on Google Icon
8/15/2025LM Asset IM Inc.6,000$43K0.0%N/A0.013%Search for SEC Filing on Google Icon
8/15/2025Gendell Jeffrey L1,198,420$8.51M0.2%+99.0%2.583%Search for SEC Filing on Google Icon
8/15/2025Engineers Gate Manager LP46,607$0.33M0.0%-64.0%0.100%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets119,468$0.85M0.0%+467.1%0.257%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC317,249$2.25M0.1%+4.0%0.684%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP50,703$0.36M0.0%-31.8%0.109%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE166,265$1.18M0.0%-9.5%0.358%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.164,805$1.17M0.0%+65.5%0.355%Search for SEC Filing on Google Icon
8/14/2025FJ Capital Management LLC24,677$0.18M0.0%N/A0.053%Search for SEC Filing on Google Icon
8/14/2025Immersion Corp300,000$2.13M1.1%N/A0.647%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 17,993$0.13M0.0%+9.9%0.039%Search for SEC Filing on Google Icon
8/14/2025Sei Investments Co.23,565$0.17M0.0%-15.8%0.051%Search for SEC Filing on Google Icon
8/14/2025Nebula Research & Development LLC107,124$0.76M0.1%+46.5%0.231%Search for SEC Filing on Google Icon
8/14/2025Qube Research & Technologies Ltd37,584$0.27M0.0%N/A0.081%Search for SEC Filing on Google Icon
8/14/2025WINTON GROUP Ltd15,197$0.11M0.0%N/A0.033%Search for SEC Filing on Google Icon
8/14/2025Continental General Insurance Co.1,218,349$8.65M2.2%N/A2.626%Search for SEC Filing on Google Icon
8/14/2025Cerity Partners LLC11,851$84K0.0%N/A0.026%Search for SEC Filing on Google Icon
8/14/2025Federated Hermes Inc.5,231$37K0.0%N/A0.011%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP648,155$4.60M0.0%+215.5%1.397%Search for SEC Filing on Google Icon
8/13/2025Walleye Capital LLC38,094$0.27M0.0%-174.7%0.082%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.170,436$1.21M0.0%-5.6%0.367%Search for SEC Filing on Google Icon
8/13/2025Quantbot Technologies LP18,834$0.13M0.0%-81.2%0.041%Search for SEC Filing on Google Icon
8/13/2025Third Avenue Management LLC603,391$4.28M0.9%+64.7%1.300%Search for SEC Filing on Google Icon
8/13/2025Aurelius Capital Management LP60,546$0.43M2.9%N/A0.130%Search for SEC Filing on Google Icon
8/13/2025Norges Bank75,000$0.53M0.0%N/A0.162%Search for SEC Filing on Google Icon
8/13/2025Hsbc Holdings PLC97,348$0.68M0.0%-54.8%0.210%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd38,524$0.27M0.0%-67.8%0.083%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.438,335$3.11M0.0%-48.8%0.945%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers74,916$0.53M0.0%+7.7%0.161%Search for SEC Filing on Google Icon
8/12/2025AXQ Capital LP35,439$0.25M0.1%+27.7%0.076%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc4,305$31K0.0%-90.1%0.009%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.31,231$0.22M0.0%-50.8%0.067%Search for SEC Filing on Google Icon
8/11/2025Empirical Finance LLC72,182$0.51M0.0%N/A0.156%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC41,388$0.29M0.0%+11.4%0.089%Search for SEC Filing on Google Icon
8/8/2025Creative Planning20,421$0.15M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC1,122,616$7.97M0.0%+2.5%2.418%Search for SEC Filing on Google Icon
8/7/2025Prescott Group Capital Management L.L.C.875,977$6.22M0.7%+98.0%1.887%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.111,053$0.79M0.0%+256.0%0.239%Search for SEC Filing on Google Icon
8/6/2025Fox Run Management L.L.C.37,922$0.27M0.0%-16.0%0.082%Search for SEC Filing on Google Icon
8/1/2025Y Intercept Hong Kong Ltd350,701$2.49M0.1%+139.5%0.755%Search for SEC Filing on Google Icon
7/30/2025First Citizens Bank & Trust Co.43,210$0.31M0.0%+207.1%0.093%Search for SEC Filing on Google Icon
7/29/2025VELA Investment Management LLC122,770$0.87M0.2%+32.9%0.264%Search for SEC Filing on Google Icon
7/25/2025Envestnet Portfolio Solutions Inc.41,667$0.30M0.0%+232.6%0.090%Search for SEC Filing on Google Icon
7/25/2025CWM LLC3,962$28K0.0%+65,933.3%0.009%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.680,179$5.95M0.0%-42.6%1.465%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers69,540$0.61M0.0%-50.7%0.150%Search for SEC Filing on Google Icon
5/16/2025Empowered Funds LLC195,127$1.71M0.0%+7.4%0.382%Search for SEC Filing on Google Icon
5/16/2025Caxton Associates LLP65,647$0.57M0.0%N/A0.128%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.680,179$5.95M0.0%-42.6%1.331%Search for SEC Filing on Google Icon
5/16/2025Dynamic Technology Lab Private Ltd64,233$0.56M0.1%N/A0.126%Search for SEC Filing on Google Icon
5/16/2025Petrus Trust Company LTA19,432$0.17M0.0%N/A0.038%Search for SEC Filing on Google Icon
5/16/2025Millennium Management LLC508,686$4.45M0.0%+142.7%0.996%Search for SEC Filing on Google Icon
5/15/2025Cubist Systematic Strategies LLC170,643$1.49M0.0%+289.5%0.334%Search for SEC Filing on Google Icon
5/15/2025DRW Securities LLC10,800$94K0.0%N/A0.021%Search for SEC Filing on Google Icon
5/15/2025Magnetar Financial LLC27,188$0.24M0.0%N/A0.053%Search for SEC Filing on Google Icon
5/15/2025State of Wyoming14,758$0.13M0.0%+469.4%0.029%Search for SEC Filing on Google Icon
5/15/2025Trexquant Investment LP161,096$1.41M0.0%N/A0.315%Search for SEC Filing on Google Icon
5/14/2025Corebridge Financial Inc.22,301$0.20M0.0%-8.2%0.044%Search for SEC Filing on Google Icon
5/14/2025MetLife Investment Management LLC23,542$0.21M0.0%-12.3%0.046%Search for SEC Filing on Google Icon
5/14/2025Hotchkis & Wiley Capital Management LLC557,680$4.88M0.0%-33.4%1.092%Search for SEC Filing on Google Icon
5/14/2025AlphaQuest LLC6,947$61K0.0%N/A0.014%Search for SEC Filing on Google Icon
5/14/2025EntryPoint Capital LLC20,235$0.18M0.1%N/A0.040%Search for SEC Filing on Google Icon
5/14/2025Third Avenue Management LLC366,461$3.21M0.6%+59.0%0.717%Search for SEC Filing on Google Icon
5/14/2025Hsbc Holdings PLC215,435$1.88M0.0%-31.0%0.422%Search for SEC Filing on Google Icon
5/14/2025Quantbot Technologies LP100,308$0.88M0.0%+148.1%0.196%Search for SEC Filing on Google Icon
5/13/2025Algert Global LLC62,719$0.55M0.0%-29.1%0.123%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.856,261$7.49M0.0%-7.9%1.676%Search for SEC Filing on Google Icon
5/13/2025Fox Run Management L.L.C.45,171$0.40M0.1%+68.4%0.088%Search for SEC Filing on Google Icon
5/13/2025KLCM Advisors Inc.24,000$0.21M0.0%+71.4%0.047%Search for SEC Filing on Google Icon
5/12/2025Public Sector Pension Investment Board72,000$0.63M0.0%-62.3%0.141%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC282,657$2.47M0.0%N/A0.553%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Ambac Financial Group logo
Ambac Financial Group, Inc. operates as a financial services holding company. It operates three businesses: Specialty Property and Casualty Insurance, Insurance Distribution, and Legacy Financial Guarantee (LFG) Insurance. The Specialty Property and Casualty Insurance business provides specialty property and casualty program insurance with a focus commercial and personal liability risks. The Insurance Distribution business includes the specialty property and casualty insurance distribution business, which includes managing general agents and underwriters, insurance wholesalers, brokers, and other distribution businesses. The LFG Insurance business offers financial guarantee insurance policies that provide an unconditional and irrevocable guarantee, which protects the holder of a debt obligation against non-payment when due of the principal and interest on the obligations guaranteed. Ambac Financial Group, Inc. was incorporated in 1991 and is headquartered in New York, New York.
Read More on Ambac Financial Group

Today's Range

Now: $9.04
Low: $8.86
High: $9.26

50 Day Range

MA: $8.75
Low: $8.01
High: $10.07

52 Week Range

Now: $9.04
Low: $5.99
High: $13.64

Volume

838,741 shs

Average Volume

954,617 shs

Market Capitalization

$396.06 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.96

Who are the company insiders with the largest holdings of Ambac Financial Group?

Ambac Financial Group's top insider shareholders include:
  1. Claude Leblanc (CEO)
  2. R Sharon Smith (COO)
  3. David Trick (CFO)
  4. Stephen Michael Ksenak (General Counsel)
  5. R Sharon Smith (VP)
  6. Jeffrey Scott Stein (Director)
  7. Kristi Ann Matus (Director)
Learn More about top insider investors at Ambac Financial Group.

Who are the major institutional investors of Ambac Financial Group?

Ambac Financial Group's top institutional shareholders include:
  1. Western Standard LLC — 5.69%
  2. Vanguard Group Inc. — 5.51%
  3. Dimensional Fund Advisors LP — 4.61%
  4. Continental General Insurance Co. — 4.46%
  5. Wolf Hill Capital Management LP — 2.50%
  6. Prescott Group Capital Management L.L.C. — 1.93%
Learn More about top institutional investors of Ambac Financial Group stock.

Which institutional investors are selling Ambac Financial Group stock?

Within the previous quarter, AMBC stock was sold by these institutional investors:
  1. Squarepoint Ops LLC
  2. Millennium Management LLC
  3. Dimensional Fund Advisors LP
  4. Y Intercept Hong Kong Ltd
  5. Caption Management LLC
  6. Susquehanna International Group LLP
  7. UBS Group AG
  8. BNP Paribas Financial Markets

Which institutional investors are buying Ambac Financial Group stock?

Within the previous quarter, AMBC stock was purchased by institutional investors including:
  1. Western Standard LLC
  2. Continental General Insurance Co.
  3. Wolf Hill Capital Management LP
  4. Schonfeld Strategic Advisors LLC
  5. Barclays PLC
  6. Arrowpoint Investment Partners Singapore Pte. Ltd.
  7. Group One Trading LLC
  8. Creative Planning
In the previous year, these company insiders have bought Ambac Financial Group stock:
  1. Claude Leblanc (CEO)
  2. R Sharon Smith (COO)
  3. David Trick (CFO)
  4. Stephen Michael Ksenak (General Counsel)
  5. R Sharon Smith (VP)
  6. Jeffrey Scott Stein (Director)
  7. Kristi Ann Matus (Director)
Learn More investors buying Ambac Financial Group stock.