Octave Specialty Group Inc (NYSE:OSG) has 143 institutional investors that have filed 13F reports for the period ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 3,917,798 | -570,670 | -12.71% | $18,217,762.00 |
| Western Standard LLC | 31 Mar, 2026 | 2,247,591 | -257,036 | -10.26% | $10,451,298.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,945,076 | 1,945,076 | 0.00% | $9,044,603.00 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 31 Mar, 2026 | 1,592,587 | 699,070 | 78.24% | $7,405,530.00 |
| Wolf Hill Capital Management, LP | 31 Mar, 2026 | 1,470,334 | -418,639 | -22.16% | $6,837,053.00 |
| GENDELL JEFFREY L | 31 Mar, 2026 | 1,413,212 | -156,260 | -9.96% | $6,571,436.00 |
| THIRD AVENUE MANAGEMENT LLC | 31 Mar, 2026 | 1,341,211 | 559,118 | 71.49% | $6,236,631.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 1,310,132 | -375,495 | -22.28% | $6,092,068.00 |
| Bain Capital Credit, LP | 31 Mar, 2026 | 1,108,012 | 0 | 0.00% | $5,152,256.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 1,065,335 | 316,763 | 42.32% | $4,953,807.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,022,438 | -2,109 | -0.21% | $4,755,504.00 |
| State Street Corp | 31 Mar, 2026 | 941,404 | -1,964 | -0.21% | $4,377,529.00 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 31 Mar, 2026 | 884,272 | 647,087 | 272.82% | $4,111,865.00 |
| Nuveen, LLC | 31 Mar, 2026 | 800,253 | -10,026 | -1.24% | $3,721,176.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 764,384 | -756,270 | -49.73% | $3,554,385.00 |
| Caption Management, LLC | 31 Mar, 2026 | 642,597 | -428,497 | -40.01% | $2,988,076.00 |
| Bracebridge Capital, LLC | 31 Mar, 2026 | 579,234 | 0 | 0.00% | $2,693,438.00 |
| RIHO Partners, LLC | 31 Mar, 2026 | 546,569 | 546,569 | 0.00% | $2,541,546.00 |
| CITADEL ADVISORS LLC | 31 Mar, 2026 | 431,809 | 144,526 | 50.31% | $2,007,912.00 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 31 Mar, 2026 | 418,203 | 7,381 | 1.80% | $1,944,644.00 |