E
Ambac Assurance Corp
Rating Date
June 2026
NAIC
Classification
Risk Adjusted
Capital Ratio #1
Risk Adjusted
Capital Ratio #2
Loss
Ratio
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Capital
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Premiums
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Major Rating Factors: Weak overall results on stability tests (0.0 on a scale of 0 to 10) including negative cash flow from operations for 2025 and fair risk adjusted capital in prior years. The largest net exposure for one risk is excessive at 98.8% of capital. Fair profitability index (3.8) with operating losses during 2021, 2023 and 2024. Good liquidity (6.5) with sufficient resources (cash flows and marketable investments) to handle a spike in claims.
Other Rating Factors: Strong long-term capitalization index (7.5) based on excellent current risk adjusted capital (severe and moderate loss scenarios) reflecting significant improvement over results in 2021. Ample reserve history (8.2) that helps to protect the company against sharp claims increases.
Stability Factors: D - Limited diversification of general business, policy, and/or investment risk. F - Negative cash flow. R - Concerns about the financial strength of its reinsurers. T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Fin guar/surety (100.0%)
Licensed in: All states except TN, also licensed in PR, VI
Principal Investments: Investment grade bonds (54.1%), non investment grade bonds (18.4%), preferred stock (1.4%), common stock (0.3%), other (25.8%)
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2-Year Reserve Development
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Combined Ratio
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Investments in Affiliates
Corporate Info
Group Affiliation
None
Investment Rating
BN
Company Address
Harborside Plaza 10
Jersey City, NJ 07302
Phone Number
(212) 208-3111
NAIC Number
18708
Largest Affiliates
No affiliate information available.