AMBC Shares Outstanding History — Ambac Financial Group Share Count Over Time

As of 11/7/2025 Ambac Financial Group has 43.81 million AMBC shares outstanding. Investors often track the AMBC shares outstanding history to compare shareholder return trends against the change in share count over time.

This page shows AMBC share count trends over time, with 50 historical shares outstanding datapoints presented, dating back to 5/1/2013.

Quick links: Shares Outstanding History Table  |  Shares Outstanding History Chart  |  About Ambac Financial Group
AMBC Shares Outstanding History



Below is a table of the AMBC shares outstanding history going back to 5/1/2013:

Date AMBC Shares Outstanding
5/1/201345.00M
5/9/201345.00M
8/13/201345.00M
11/12/201345.00M
2/24/201445.00M
5/1/201445.00M
8/4/201445.00M
11/6/201445.00M
2/25/201545.00M
5/7/201545.00M
8/7/201545.02M
11/6/201545.02M
2/25/201645.05M
5/6/201645.05M
8/5/201645.12M
11/2/201645.12M
2/24/201745.23M
5/5/201745.23M
8/7/201745.25M
11/3/201745.25M
2/27/201845.28M
5/7/201845.33M
8/6/201845.33M
11/5/201845.34M
2/25/201945.34M
5/6/201945.52M
8/5/201945.55M
7/31/20194.92M
11/4/201945.55M
2/24/202045.78M
8/3/202045.81M
11/6/202045.81M
2/26/202145.85M
5/10/202146.20M
8/2/202146.22M
11/5/202146.30M
2/22/202246.34M
5/6/202245.04M
8/5/202244.96M
11/4/202244.97M
5/5/202345.32M
8/4/202345.30M
11/3/202345.19M
2/26/202445.20M
5/3/202445.22M
8/2/202447.44M
11/8/202447.44M
3/4/202546.24M
8/5/202546.40M
11/7/202543.81M

Also see: AMBC Market Cap History
AMBC YTD Return
AMBC Historical Shares Outstanding:
-0.21% CAGR
AMBC Historical Shares Outstanding: +-0.21% CAGR

Mouse over chart for data details
5/1/2013 ...11/7/2025
Ambac Financial Group, Inc. is a financial services holding company. It operates three principal businesses: Legacy Financial Guarantee (LFG) Insurance, Specialty Property and Casualty Insurance, and Insurance Distribution. The LFG Insurance includes the activities of Ambac Assurance Corporation (AAC) and its wholly owned subsidiaries, including Ambac Assurance UK Limited (Ambac UK) and Ambac Financial Services LLC (AFS). The Specialty Property and Casualty Insurance includes five admitted carriers and an excess and surplus lines (E&S or no admitted) insurer, Everspan Indemnity Insurance Co. (all carriers collectively, Everspan). We show 50 historical shares outstanding datapoints in our coverage of AMBC's shares outstanding history.

Understanding the changing numbers of AMBC shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like AMBC versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching AMBC by allowing them to research AMBC shares outstanding history as well as any other stock in our coverage universe.
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Video: Shares Outstanding Importance
Ambac Financial Group (AMBC) is categorized under the Financials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

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