Octave Specialty Group Inc
OSG- Exchange
- NYSE
- Industry
- Surety Insurance
- SEC CIK
- 0000874501
No open-market purchases or sales by Octave Specialty Group Inc insiders were filed in the last 90 days; 147 institutions reported holding it in 13F filings for Q2 2026, worth $187.6M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Octave Specialty Group Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 147
- −28 vs. Q1 2025
- Shares held
- 37.0M
- −580.5K (−1.5%) vs. Q1 2025
- Total value
- $262.5M
- −$65.1M (−19.9%) vs. Q1 2025
- New holders
- 31
- 47 more added
- Sold out
- 59
- 50 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 147 | $187.6M |
| Q1 2026 | 148 | $151.4M |
| Q4 2025 | 144 | $270.0M |
| Q3 2025 | 130 | $303.6M |
| Q2 2025 | 147 | $262.5M |
| Q1 2025 | 176 | $327.5M |
| Q4 2024 | 181 | $522.4M |
| Q3 2024 | 180 | $449.6M |
| Q2 2024 | 182 | $495.9M |
| Q1 2024 | 172 | $591.5M |
| Q4 2023 | 174 | $628.4M |
| Q3 2023 | 167 | $438.7M |
| Q2 2023 | 160 | $529.6M |
| Q1 2023 | 160 | $596.2M |
| Q4 2022 | 167 | $600.4M |
| Q3 2022 | 154 | $400.7M |
| Q2 2022 | 141 | $386.6M |
| Q1 2022 | 150 | $392.1M |
| Q4 2021 | 135 | $598.9M |
| Q3 2021 | 133 | $516.2M |
| Q2 2021 | 126 | $565.0M |
| Q1 2021 | 140 | $611.7M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Hantz Financial Services, Inc. | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |