Ambac Financial Group Inc
AMBC9.030USD
0.000
Close 12/26, 16:00（ET）Quotes delayed by 15 min
421.71MMarket Cap
LossP/E TTM
More Details of Ambac Financial Group Inc Company
Ambac Financial Group, Inc. is a financial services holding company. It operates two principal businesses: Insurance Distribution and Specialty Property and Casualty Insurance. Its specialty property and casualty (P&C) insurance distribution business includes Managing General Agents, Underwriters and other appointed and delegated underwriting businesses (MGA), an insurance broker, and other distribution and underwriting businesses. Its insurance distribution platform operates in various lines of business, including, accident & health, specialty auto, other professional, marine & energy, niche specialty risks, property, reinsurance, professional directors & officers and other specialty lines. Its Specialty Property and Casualty Insurance program business includes four admitted carriers that include Everspan Insurance Company, Greenwood Insurance Company, Consolidated Specialty Insurance Company and Providence Washington Insurance Company; and an excess and surplus lines insurer.
Ambac Financial Group Inc Info
Ticker SymbolAMBC
Company nameOctave Specialty Group Inc
IPO dateJul 10, 1991
CEOLeBlanc (Claude L)
Number of employees380
Security typeOrdinary Share
Fiscal year-endJul 10
AddressOne World Trade Center
CityNEW YORK
Stock exchangeNYSE Consolidated
CountryUnited States of America
Postal code10007
Phone12126587470
Websitehttps://octavegroup.com/
Ticker SymbolAMBC
IPO dateJul 10, 1991
CEOLeBlanc (Claude L)
Company Executives of Ambac Financial Group Inc
Name
Name/Position
Position
Shareholding
Change
Mr. David Trick
Mr. David Trick
Chief Financial Officer, Executive Vice President, Treasurer
Chief Financial Officer, Executive Vice President, Treasurer
474.77K
+40.03%
Ms. R. Sharon Smith
Ms. R. Sharon Smith
Executive Vice President, Group Chief Operating Officer
Executive Vice President, Group Chief Operating Officer
331.55K
+0.01%
Mr. Michael D. Price
Mr. Michael D. Price
Independent Director
Independent Director
231.88K
+20.33%
Ms. Joan M. Lamm-Tennant, Ph.D.
Ms. Joan M. Lamm-Tennant, Ph.D.
Independent Director
Independent Director
201.20K
+113.57%
Ms. Lisa G. Iglesias
Ms. Lisa G. Iglesias
Independent Director
Independent Director
137.32K
+97.46%
Ms. Kristi Ann Matus
Ms. Kristi Ann Matus
Independent Director
Independent Director
74.58K
+110.68%
Ms. Cristina E. Ahn
Ms. Cristina E. Ahn
Chief Accounting Officer
Chief Accounting Officer
--
--
Mr. Ian D. Haft, J.D.
Mr. Ian D. Haft, J.D.
Independent Director
Independent Director
--
--
Mr. Jeffrey S. Stein
Mr. Jeffrey S. Stein
Independent Chairman of the Board
Independent Chairman of the Board
--
--
Mr. Claude L. LeBlanc, CPA
Mr. Claude L. LeBlanc, CPA
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Mr. David Trick
Mr. David Trick
Chief Financial Officer, Executive Vice President, Treasurer
Chief Financial Officer, Executive Vice President, Treasurer
474.77K
+40.03%
Ms. R. Sharon Smith
Ms. R. Sharon Smith
Executive Vice President, Group Chief Operating Officer
Executive Vice President, Group Chief Operating Officer
331.55K
+0.01%
Mr. Michael D. Price
Mr. Michael D. Price
Independent Director
Independent Director
231.88K
+20.33%
Ms. Joan M. Lamm-Tennant, Ph.D.
Ms. Joan M. Lamm-Tennant, Ph.D.
Independent Director
Independent Director
201.20K
+113.57%
Ms. Lisa G. Iglesias
Ms. Lisa G. Iglesias
Independent Director
Independent Director
137.32K
+97.46%
Ms. Kristi Ann Matus
Ms. Kristi Ann Matus
Independent Director
Independent Director
74.58K
+110.68%
Revenue Breakdown
Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.
Shareholding Stats
Updated: Sun, Nov 16
Updated: Sun, Nov 16
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
8.09%
Western Standard, LLC
6.03%
The Vanguard Group, Inc.
5.83%
Dimensional Fund Advisors, L.P.
4.89%
Continental General Insurance Co
4.72%
Other
70.45%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
8.09%
Western Standard, LLC
6.03%
The Vanguard Group, Inc.
5.83%
Dimensional Fund Advisors, L.P.
4.89%
Continental General Insurance Co
4.72%
Other
70.45%
Shareholder Types
Shareholders
Proportion
Investment Advisor
38.34%
Hedge Fund
23.40%
Investment Advisor/Hedge Fund
20.06%
Individual Investor
10.34%
Research Firm
3.82%
Private Equity
2.53%
Sovereign Wealth Fund
0.17%
Bank and Trust
0.13%
Pension Fund
0.06%
Other
1.17%
Institutional Shareholding
Updated: Mon, Dec 8
Updated: Mon, Dec 8
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
398
39.06M
98.47%
+8.55K
2025Q3
405
39.05M
93.17%
+1.42M
2025Q2
401
37.71M
91.89%
-584.97K
2025Q1
401
38.29M
98.90%
-7.63M
2024Q4
391
42.76M
93.73%
+1.29M
2024Q3
389
41.38M
90.37%
+1.92M
2024Q2
385
39.69M
93.07%
+871.46K
2024Q1
376
38.79M
95.16%
-4.24M
2023Q4
376
39.08M
94.24%
+1.88M
2023Q3
360
37.09M
97.20%
-952.18K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
3.77M
8.13%
-164.60K
-4.18%
Jun 30, 2025
The Vanguard Group, Inc.
2.57M
5.54%
-80.83K
-3.05%
Jun 30, 2025
Dimensional Fund Advisors, L.P.
2.40M
5.16%
-161.14K
-6.30%
Jun 30, 2025
Continental General Insurance Co
1.22M
2.63%
+1.22M
--
Jun 30, 2025
Tontine Asset Management, LLC
1.20M
2.58%
+596.13K
+98.98%
Jun 30, 2025
LeBlanc (Claude L.)
1.73M
3.73%
+393.49K
+29.45%
Sep 30, 2025
Fidelity Management & Research Company LLC
1.48M
3.2%
+174.00
+0.01%
Jun 30, 2025
Wolf Hill Capital Management LP
693.44K
1.49%
--
--
Jun 30, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
iShares Micro-Cap ETF
0.07%
WisdomTree US SmallCap Quality Growth Fund
0.05%
iShares US Small-Cap Equity Factor ETF
0.05%
Invesco RAFI US 1500 Small-Mid ETF
0.05%
Avantis US Small Cap Equity ETF
0.04%
iShares Russell 2000 Value ETF
0.03%
iShares U.S. Insurance ETF
0.03%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
0.02%
Invesco Russell 2000 Dynamic Multifactor ETF
0.01%
DFA Dimensional US Small Cap Value ETF
0.01%
View more
iShares Micro-Cap ETF
Proportion0.07%
WisdomTree US SmallCap Quality Growth Fund
Proportion0.05%
iShares US Small-Cap Equity Factor ETF
Proportion0.05%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.05%
Avantis US Small Cap Equity ETF
Proportion0.04%
iShares Russell 2000 Value ETF
Proportion0.03%
iShares U.S. Insurance ETF
Proportion0.03%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
Proportion0.02%
Invesco Russell 2000 Dynamic Multifactor ETF
Proportion0.01%
DFA Dimensional US Small Cap Value ETF
Proportion0.01%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of Ambac Financial Group Inc?
The top five shareholders of Ambac Financial Group Inc are:
BlackRock Institutional Trust Company, N.A. holds 3.77M shares, accounting for 8.13% of the total shares.
The Vanguard Group, Inc. holds 2.57M shares, accounting for 5.54% of the total shares.
Dimensional Fund Advisors, L.P. holds 2.40M shares, accounting for 5.16% of the total shares.
Continental General Insurance Co holds 1.22M shares, accounting for 2.63% of the total shares.
Tontine Asset Management, LLC holds 1.20M shares, accounting for 2.58% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 3.77M shares, accounting for 8.13% of the total shares.
The Vanguard Group, Inc. holds 2.57M shares, accounting for 5.54% of the total shares.
Dimensional Fund Advisors, L.P. holds 2.40M shares, accounting for 5.16% of the total shares.
Continental General Insurance Co holds 1.22M shares, accounting for 2.63% of the total shares.
Tontine Asset Management, LLC holds 1.20M shares, accounting for 2.58% of the total shares.
What are the top three shareholder types of Ambac Financial Group Inc?
The top three shareholder types of Ambac Financial Group Inc are:
BlackRock Institutional Trust Company, N.A.
Western Standard, LLC
The Vanguard Group, Inc.
BlackRock Institutional Trust Company, N.A.
Western Standard, LLC
The Vanguard Group, Inc.
How many institutions hold shares of Ambac Financial Group Inc (AMBC)?
As of 2025Q4, 398 institutions hold shares of Ambac Financial Group Inc, with a combined market value of approximately 39.06M, accounting for 98.47% of the total shares. Compared to 2025Q3, institutional shareholding has increased by 5.30%.
What is the biggest source of revenue for Ambac Financial Group Inc?
In --, the -- business generated the highest revenue for Ambac Financial Group Inc, amounting to -- and accounting for --% of total revenue.
