NYSE: OSG
Octave Specialty Group Inc Stock Ownership - Who owns Octave Specialty Group?

Insider buying vs selling

Have Octave Specialty Group Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Cristina E. AhnChief Accounting Officer2026-03-10203$4.90
$994.70Sell
David TrickExec VP CFO Treasurer2026-03-031,715$5.60
$9.60kSell
Claude LeblancChief Executive Officer2026-03-0310,694$5.60
$59.89kSell
R. Sharon SmithExec VP Group COO2026-03-031,541$5.60
$8.63kSell
Claude LeblancChief Executive Officer2026-01-0212,000$7.59
$91.08kBuy
R. Sharon SmithExec VP Group COO2025-11-1220$10.25
$205.00Buy
Claude LeblancChief Executive Officer2025-10-0125,000$8.54
$213.50kBuy
R. Sharon SmithExec VP Group COO2025-09-303,235$8.34
$26.98kSell
David TrickExec VP CFO Treasurer2025-09-3022,796$8.34
$190.12kSell
Claude LeblancChief Executive Officer2025-09-30111,034$8.34
$926.02kSell

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Net Insider Buy/Sell (L12M) Ownership

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OSG Shareholders

What type of owners hold Octave Specialty Group Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc9.99%4,488,468$19.66MInstitution
Vanguard Group Inc5.58%2,508,395$10.99MInstitution
Western Standard LLC5.57%2,504,627$10.97MInstitution
Wolf Hill Capital Management LP4.20%1,888,973$8.27MInstitution
Dimensional Fund Advisors LP3.75%1,685,627$7.38MInstitution
Gendell Jeffrey L3.49%1,569,472$6.87MInstitution
Jane Street Group LLC3.38%1,520,654$6.66MInstitution
Bain Capital Credit LP2.46%1,108,012$4.85MInstitution
Caption Management LLC2.38%1,071,094$4.69MInstitution
Claude Leblanc2.33%1,047,631$4.59MInsider

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OSG vs Specialty Insurance Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OSG77.20%11.95%Net SellingNet Selling
JRVR68.12%31.88%Net BuyingNet Selling
MBI3.05%96.95%Net BuyingNet Buying
ITIC34.12%65.88%Net BuyingNet Buying
AMSF21.63%78.37%Net SellingNet Selling

Octave Specialty Group Stock Ownership FAQ

Who owns Octave Specialty Group?

Octave Specialty Group (NYSE: OSG) is owned by 77.20% institutional shareholders, 11.95% Octave Specialty Group insiders, and 10.85% retail investors. Claude Leblanc is the largest individual Octave Specialty Group shareholder, owning 1.05M shares representing 2.33% of the company. Claude Leblanc's Octave Specialty Group shares are currently valued at $4.59M.

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