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
14 May 25	BuyUS$499,642	Michael Price	Individual	76,986	US$6.54
14 May 25	BuyUS$260,000	Claude LeBlanc	Individual	40,000	US$6.50
14 May 25	BuyUS$96,900	Jeffrey Stein	Individual	15,000	US$6.48
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: AMBC 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	0.0239%
Individual Insiders	2,076,380	4.47%
General Public	6,992,982	15.1%
Institutions	37,346,964	80.4%

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

Top Shareholders

Top 25 shareholders own 59.29% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.5%	BlackRock, Inc.	4,894,568	US$39.5m	-38.5%	no data
5.73%	The Vanguard Group, Inc.	2,660,882	US$21.5m	-17.3%	no data
5.51%	Dimensional Fund Advisors LP	2,556,880	US$20.6m	-5.52%	no data
3.31%	FMR LLC	1,535,671	US$12.4m	-4.9%	no data
2.54%	Susquehanna International Group, LLP, Asset Management Arm	1,180,557	US$9.5m	56.4%	0.01%
2.53%	Repertoire Partners LP	1,173,874	US$9.5m	-45.7%	53.7%
2.39%	Bain Capital Credit, LP	1,108,012	US$8.9m	0%	1.82%
2.38%	Citadel Advisors LLC	1,102,722	US$8.9m	191%	0.01%
2.36%	Geode Capital Management, LLC	1,094,946	US$8.8m	4.63%	no data
2.22%	State Street Global Advisors, Inc.	1,032,294	US$8.3m	-42.5%	no data
1.84%	American Century Investment Management Inc	856,261	US$6.9m	-7.86%	no data
1.71%	Morgan Stanley, Investment Banking and Brokerage Investments	792,696	US$6.4m	143%	no data
1.56%	Jane Street Group, LLC, Asset Management Arm	724,094	US$5.8m	129%	0.01%
1.56%	Deutsche Asset & Wealth Management	723,250	US$5.8m	7.13%	no data
1.51%	Western Standard, LLC	699,352	US$5.6m	54.2%	3.45%
1.49%	Wolf Hill Capital Management, LP	693,444	US$5.6m	-30.7%	0.47%
1.3%	Tontine Management, LLC	602,286	US$4.9m	14.2%	0.14%
1.25%	Bracebridge Capital, LLC	579,234	US$4.7m	0%	2.41%
1.25%	Claude LeBlanc	578,291	US$4.7m	7.43%	no data
1.2%	Hotchkis and Wiley Capital Management, LLC	557,680	US$4.5m	-33.4%	0.01%
1.13%	Schonfeld Strategic Advisors LLC	522,484	US$4.2m	0%	0.03%
1.1%	Millennium Management LLC	508,686	US$4.1m	143%	no data
0.99%	Northern Trust Global Investments	461,256	US$3.7m	-14%	no data
0.96%	Barclays PLC Private Banking & Investment Banking Investment	446,651	US$3.6m	3.91%	no data
0.95%	Prescott Group Capital Management L.L.C.	442,364	US$3.6m	127%	0.42%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/21 08:34
End of Day Share Price	2025/05/21 00:00
Earnings	2025/03/31
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