Octave Specialty Group, Inc. (OSG) Stock

Octave Specialty Group, Inc. (OSG) is a Financials stock trading at $5.75 (as of 2026-06-18), with a market capitalization of $246.67M and a trailing P/E of -1.1. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Octave Specialty Group, Inc. is a financial-services holding company with segments in Specialty Property & Casualty Insurance and Insurance Distribution. It provides specialty property and casualty program insurance for liability risks, and it also distributes such insurance through roles including managing general agents and brokers, serving commercial and personal policyholders.

Valuation — source: SEC EDGAR (first-party)

Price	$5.75
Market Cap	$246.67M
P/E Ratio	-1.1
EV / EBITDA	-6.6
Price / Book	0.30
Price / Sales	0.84

Profitability & Growth — source: SEC EDGAR

Revenue (TTM)	$251.22M
Net Margin	-103.1%
Return on Equity	-26.5%
Debt / Equity	0.17
Revenue Growth (YoY)	66.0%
EPS Growth (YoY)	-89.3%

Valuation vs Sector & Industry

Stock P/E	-1.1
Sector P/E (Financials)	14.2
Industry P/E (Insurance)	11.8
vs Sector	-108.0%
vs Industry	-109.6%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures

Top Institutional Holder	BlackRock Fund Advisors ($22.09M)
Institutional Holders Tracked	10

Company

Sector	Financials
Industry	Insurance
CEO	Claude LeBlanc
Employees	380
Country	US
IPO Date	2013-05-01

Related Companies (Business model: Property & Casualty Insurer; 8 closest by market cap)

• American Coastal Insurance Corporation (ACIC)
• Greenlight Capital Re, Ltd. (GLRE)
• American Integrity Insurance Group, Inc. (AII)
• Global Indemnity Group, LLC (GBLI)
• MBIA Inc. (MBI)
• James River Group Holdings, Ltd. (JRVR)
• NI Holdings, Inc. (NODK)
• Kingstone Companies, Inc. (KINS)

Data as of 2026-06-18.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.