Companies / OSG
Octave Specialty Group Inc (OSG)
Octave Specialty Group, Inc., an insurance holding company, primarily engages in the specialty property and casualty insurance business in the United States and the United Kingdom. It operates in two segments, Specialty Property and Casualty Insurance; and Insurance Distribution. The Specialty Property and Casualty Insurance segment provides specialty property and casualty program insurance with a focus on commercial and personal liability risks. The Insurance Distribution segment offers property, niche specialty risk, accident and health, miscellaneous specialty, reinsurance, surety, marine and energy, specialty auto, excess and surplus lines commercial package, professional lines, and directors' and officers' insurance. The company was formerly known as Ambac Financial Group, Inc. and changed its name to Octave Specialty Group, Inc. in November 2025. The company was incorporated in 1991 and is headquartered in New York, New York.
Ticker OSG Exchange NYSE Sector Financial Services Industry Insurance - Specialty Market cap $224.64M 52-week range $3.88 - $10.38
Valuation Share price $4.99 (close of Nov 6, 2026) P/E (TTM) -1.36x Price to book 0.27x Price to free cash flow -3.62x Enterprise value $218.49M Book value per share $18.17
Price performance Period Change 1 day -2.92% 5 days -0.99% 1 month +8.01% 3 months -11.84% 6 months +18.25% Year to date -35.86% 1 year -39.00% 3 years -60.08% 5 years -70.70% 10 years -74.71% All time -75.05%
Short interest As of Oct 15, 2026 Short % of float 3.21% Shares short 1.36M Days to cover 2.35 Change since prior report -3.32% Source FINRA consolidated short interest
Profitability and growth Return on equity -31.10% Return on assets -11.65% Net margin -103.13% Revenue growth 6.53%
Cash flow and balance sheet Free cash flow yield (TTM) -27.66% Net debt to EBITDA 0.07x
Latest reported year Period end Dec 31, 2025 Fiscal year 2025 Revenue $251.22M Net income -$259.09M Interest expense $18.64M
Income statement by year Period end Revenue Net income 2025-12-31 $251.22M -$259.09M 2024-12-31 $235.81M -$556.09M 2023-12-31 $124.73M $4.95M 2022-12-31 - $522.12M 2021-12-31 $282.00M -$17.00M 2020-12-31 $156.00M -$437.00M 2019-12-31 $496.00M -$216.00M 2018-12-31 $511.00M $186.00M 2017-12-31 $622.00M -$329.00M 2016-12-31 $506.77M $74.84M
Margins and returns by year Period end Net margin Return on equity 2025-12-31 -103.13% -31.10% 2024-12-31 -235.82% -55.83% 2023-12-31 3.97% 0.35% 2022-12-31 - 40.00% 2021-12-31 -6.03% -1.55% 2020-12-31 -280.13% -38.33% 2019-12-31 -43.55% -14.06% 2018-12-31 36.40% 11.39% 2017-12-31 -52.89% -20.00% 2016-12-31 14.77% 3.78%
Cash and debt by year Period end Cash Debt 2025-12-31 $216.53M $117.56M 2024-12-31 $157.21M - 2023-12-31 $207.85M $508.00M 2022-12-31 $513.33M $639.00M 2021-12-31 $431.00M $2.23B 2020-12-31 $512.00M $2.74B 2019-12-31 $3.34B $2.82B 2018-12-31 $3.61B $2.93B 2017-12-31 $5.93B $991.70M 2012-12-31 $43.84M $150.17M
Free cash flow by year Period end Free cash flow Stock-based compensation 2025-12-31 -$52.28M $9.71M 2024-12-31 $762.00K $9.36M 2023-12-31 $200.00M $12.27M 2022-12-31 $1.33B $11.23M 2021-12-31 -$131.00M $14.00M 2020-12-31 -$175.00M $11.00M 2019-12-31 -$311.00M $12.00M 2018-12-31 -$1.54B $12.00M 2017-12-31 -$221.00M $4.00M 2016-12-31 $830.31M $5.25M
Investor relations Next earnings report Next confirmed report Nov 9, 2026 Consensus EPS estimate $-0.06 Past earnings dates Reported Fiscal period EPS estimate 2026-08-06 Jun 2026 -$0.01 2026-05-06 Mar 2026 $0.02 2026-02-23 Dec 2025 -$0.21
Filings and sources Company website octavegroup.com SEC filings 10-K, 10-Q and 8-K on EDGAR Earnings calendar All upcoming reports
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