Ambac Financial Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:AMBC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
27 Sep 24	BuyUS$100,737	Kristi Matus	Individual	9,000	US$11.27
08 Aug 24	BuyUS$11,704	Rhonta Smith	Individual	1,100	US$10.64
07 Aug 24	BuyUS$39,827	David Trick	Individual	3,700	US$10.86
07 Aug 24	BuyUS$270,867	Claude LeBlanc	Individual	25,000	US$11.00
07 Aug 24	BuyUS$999,515	Michael Price	Individual	89,312	US$11.21
07 Aug 24	BuyUS$270,500	Jeffrey Stein	Individual	25,000	US$10.82
07 Aug 24	BuyUS$55,000	Stephen Ksenak	Individual	5,000	US$11.00

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMBC?
Owner Type	Number of Shares	Ownership Percentage
State or Government	11,095	0.0217%
Individual Insiders	2,677,205	5.24%
General Public	11,025,243	21.6%
Institutions	37,377,647	73.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 57.96% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.58%	BlackRock, Inc.	4,894,568	US$39.7m	-38.5%	no data
5.3%	Dimensional Fund Advisors LP	2,706,151	US$21.9m	-3.5%	no data
5.21%	The Vanguard Group, Inc.	2,660,882	US$21.6m	-17.3%	no data
4.23%	Repertoire Partners LP	2,161,630	US$17.5m	4.74%	46.67%
3.51%	State Street Global Advisors, Inc.	1,794,042	US$14.5m	8.5%	no data
3.16%	FMR LLC	1,614,867	US$13.1m	-6.77%	no data
2.49%	Claude LeBlanc	1,271,102	US$10.3m	141%	no data
2.17%	Bain Capital Credit, LP	1,108,012	US$9.0m	0%	1.83%
2.05%	Geode Capital Management, LLC	1,046,510	US$8.5m	1.71%	no data
1.96%	Wolf Hill Capital Management, LP	1,000,003	US$8.1m	0%	0.68%
1.82%	American Century Investment Management Inc	929,345	US$7.5m	3.9%	no data
1.64%	Hotchkis and Wiley Capital Management, LLC	837,650	US$6.8m	12.5%	0.02%
1.61%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	823,761	US$6.7m	65.5%	no data
1.58%	Goldman Sachs Asset Management, L.P.	806,606	US$6.5m	234%	no data
1.48%	Susquehanna International Group, LLP, Asset Management Arm	754,965	US$6.1m	102%	0.01%
1.32%	Deutsche Asset & Wealth Management	675,133	US$5.5m	-2.13%	no data
1.15%	Portolan Capital Management, LLC	589,437	US$4.8m	0%	0.36%
1.13%	Bracebridge Capital, LLC	579,234	US$4.7m	0%	0.46%
1.05%	Northern Trust Global Investments	536,486	US$4.4m	13.4%	no data
1.03%	Tontine Management, LLC	527,538	US$4.3m	0%	0.13%
0.99%	Charles Schwab Investment Management, Inc.	505,126	US$4.1m	0%	no data
0.93%	Bridgeway Capital Management, LLC	473,266	US$3.8m	3.86%	0.07%
0.89%	Western Standard, LLC	453,530	US$3.7m	64.3%	3.39%
0.84%	D. E. Shaw & Co., L.P.	431,135	US$3.5m	-9.32%	no data
0.84%	Barclays PLC Private Banking & Investment Banking Investment	429,861	US$3.5m	14.3%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/07 23:35
End of Day Share Price	2025/05/07 00:00
Earnings	2024/12/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Ambac Financial Group, Inc. is covered by 8 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Giuliano Anderes Bologna	BTIG
Catherine Seifert	CFRA Equity Research
Mary Kane	Citigroup Inc