OSG
OCTAVE SPECIALTY GROUP INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
OCTAVE SPECIALTY GROUP INC (OSG) is held as common stock by 4 tracked hedge-fund managers, with a combined reported value of ~$4.84M; the largest are Ken Griffin, Paul Tudor Jones, Renaissance Technologies. 2 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 added, 3 trimmed, 1 closed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Common-stock holders42 also report options
Congress trades0
Price$4.10vs quarter-end-34.29%
Sectors0
This quarter's moves
Top holderNew0
Added1
Trimmed / sold4
Common-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $425.6K— of portfolio68,2002026 Q2
Value $322.0K— of portfolio51,6002026 Q2
Value $246.5K— of portfolio39,5002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $425.6K | — | — |
| Paul Tudor JonesCALL | $322.0K | — | — |
| Ken GriffinPUT | $246.5K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.