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OCTAVE SPECIALTY GROUP INC (OSG)

Name: OCTAVE SPECIALTY GROUP INC (OSG) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Financials · SEC CIK 0000874501 · EDGAR filings · Updated 2026-07-13

OCTAVE SPECIALTY GROUP INC (OSG) has reported institutional ownership of 72.4%, with 148 institutional managers holding positions valued at $151.4M per the latest 13F reporting period.

Institutional ownership

72.4%

Institutional managers

148

Reported 13F value

$151.4M

Insider activity

47 trans.

$1.34M net buying

Latest updates

2026-07-13 — Insider transaction reported (Form 4)
2026-07-13 — Insider transaction reported (Form 4)
2026-07-13 — Insider transaction reported (Form 4)
2026-07-07 — Insider transaction reported (Form 4)
2026-07-07 — Insider transaction reported (Form 4)
2026-07-07 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, OCTAVE SPECIALTY GROUP INC has 148 institutional holders and institutional ownership of 72.4%.

Insider activity

Insiders reported 47 transactions (9 buys, 0 sells) across 12 reporting insiders, with a net reported value of $1.34M.

Related companies

MBIA INC (MBI) · FG IMPERII ACQUISITION CORP (FGII) · Yorkville Acquisition Corp (MCGA) · OPPFI INC (OPFI) · CANTOR EQUITY PARTNERS II IN (CEPT) · EGH ACQUISITION CORP. (EGHA)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-13.