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OCTAVE SPECIALTY GROUP INC OSG
NYSE · stock · Surety Insurance · website · IPO 1991-07-10
OCTAVE SPECIALTY GROUP INC institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 7,463,784 | $95.7M | 15.82% |
| CITADEL ADVISORS LLC | 530,477 | $3.3M | 1.12% |
| AQR CAPITAL MANAGEMENT LLC | 229,890 | $1.4M | 0.49% |
| RENAISSANCE TECHNOLOGIES LLC | 117,200 | $731,328 | 0.25% |
| MILLENNIUM MANAGEMENT LLC | 19,610 | $122,366 | 0.04% |
| D. E. Shaw & Co., Inc. | 12,207 | $76,172 | 0.03% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.