Ambac Financial Group, Inc. (AMBC) Stock

About Ambac Financial Group, Inc.

Ambac Financial Group, Inc. operates as a financial services holding company, providing financial guarantees across a wide international footprint, including the United States, the United Kingdom, Italy, Austria, Australia, and France. Its diverse offerings include financial guarantee insurance policies, specialty property and casualty program insurance, credit derivative agreements, and interest rate derivative transactions. Additionally, the company delivers managing general agency and underwriting services. Ambac was established in 1991 and maintains its corporate headquarters in New York, New York.

Ambac Financial Group, Inc. is headquartered in US.

Ambac Financial Group, Inc. (AMBC) stock trades at $8.29 with a market capitalization of $397.37M. The stock is valued at a negative price-to-earnings (P/E) ratio of -1.24, reflecting a net loss over the last twelve months, price-to-book of 0.38, price-to-sales of 0.93. Over the past 52 weeks the stock has ranged between $5.99 and $13.64, and currently trades 39.2% below its 52-week high.

On profitability, Ambac Financial Group, Inc. generates a return on equity (ROE) of -25.46% (negative, reflecting a net loss), return on capital employed of -6.80%, an operating margin of -30.50%, a net profit margin of -68.12%.

Official website: www.ambac.com

Ambac Financial Group, Inc. by the numbers, 2016–2025

Between 2016 and 2025 Ambac Financial Group, Inc. reported revenue of $502.0M rising to $121.0M, a change of -75.9% across 10 years. Compounded, revenue has grown -5.0% a year over five years, 30.9% over three, -48.7% over the last twelve months. Net profit fell to $-262.0M.

Operating margin went from 20.9% in 2016 to -134.9% in 2025, a fall of 155.8 percentage points. The most recent net margin is -68.12%. On a trailing twelve-month basis to Mar '26, revenue is $293.0M and net profit $-223.0M.

Borrowings fell from $12.3B to $118.0M, cash on hand is $230.6M, cash from operations was $-52.0M in the latest year, positive in 4 of the last 10.

Return on equity has averaged -12.2% over five years, and was -36.6% in the most recent year.

The share price itself has compounded at —% a year over five years, —% over three, —% over the last year. Past price movement is history, not a forecast.

Figures are as reported and in the company's own reporting currency. They describe what has already happened and carry no implication about what follows.

Ambac Financial Group, Inc. (AMBC) — frequently asked questions