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, Q1 2025
Institutional positions in Octave Specialty Group Inc as of Mar 31, 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
- 176
- −2 vs. Q4 2024
- Shares held
- 37.5M
- −3.07M (−7.6%) vs. Q4 2024
- Total value
- $327.5M
- −$183.8M (−35.9%) vs. Q4 2024
- New holders
- 35
- 53 more added
- Sold out
- 37
- 59 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Corebridge Financial, Inc. | 22,301 | $195.1K | 0.00% | −2,003−8.2% | Reduced |
| Cresset Asset Management, LLC | 22,193 | $194.2K | 0.00% | −370−1.6% | Reduced |
| Gator Capital Management, LLC | 21,435 | $187.6K | 0.07% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 21,066 | $184.3K | 0.00% | −39,902−65.4% | Reduced |
| Point72 (DIFC) Ltd | 20,799 | $182.0K | 0.02% | +15,106+265.3% | Added |
| EntryPoint Capital, LLC | 20,235 | $177.1K | 0.08% | +20,235 | New |
| Janus Henderson Group PLC | 19,792 | $171.1K | 0.00% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 19,432 | $170.0K | 0.02% | +19,432 | New |
| Mraz, Amerine & Associates, Inc. | 19,550 | $169.1K | 0.03% | +4,650+31.2% | Added |
| SEI Investments Co | 18,876 | $165.2K | 0.00% | −9,118−32.6% | Reduced |
| Manufacturers Life Insurance Company, The | 16,378 | $143.3K | 0.00% | +27+0.2% | Added |
| Laurion Capital Management LP | 16,353 | $143.1K | 0.01% | +16,353 | New |
| Hudson Bay Capital Management LP | 15,470 | $135.4K | 0.00% | +15,470 | New |
| State of Wyoming | 14,758 | $129.1K | 0.02% | +12,166+469.4% | Added |
| First Citizens Bank & Trust Co | 14,070 | $123.1K | 0.00% | +14,070 | New |
| Arizona State Retirement System | 13,609 | $119.1K | 0.00% | −159−1.2% | Reduced |
| SummitTX Capital, L.P. | 13,069 | $114.4K | 0.01% | +13,069 | New |
| Catalyst Funds Management Pty Ltd | 12,840 | $112.3K | 0.03% | +12,840 | New |
| Voya Investment Management LLC | 12,696 | $111.1K | 0.00% | −1,419−10.1% | Reduced |
| State Board of Administration of Florida Retirement System | 12,630 | $110.5K | 0.00% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 12,527 | $109.6K | 0.00% | +12,527 | New |
| KLP Kapitalforvaltning AS | 12,400 | $108.5K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 12,198 | $106.7K | 0.00% | +12,198 | New |
| Franklin Resources Inc | 11,464 | $100.3K | 0.00% | −1,013−8.1% | Reduced |
| Inceptionr LLC | 11,189 | $97.9K | 0.03% | +11,189 | New |
| State of Tennessee, Treasury Department | 11,095 | $97.1K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 10,800 | $94.5K | 0.01% | +10,800 | New |
| CIBC World Markets Corp | 10,101 | $88.4K | 0.00% | +10,101 | New |
| New York State Common Retirement Fund | 10,073 | $88.1K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,826 | $86.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 9,202 | $80.5K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 6,947 | $60.8K | 0.01% | +6,947 | New |
| Ameritas Investment Partners, Inc. | 4,583 | $40.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,348 | $29.3K | 0.00% | +666+24.8% | Added |
| Royal Bank of Canada | 3,012 | $27.0K | 0.00% | −2,975−49.7% | Reduced |
| Amalgamated Bank | 1,567 | $14.0K | 0.00% | −12,373−88.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 1,601 | $14.0K | 0.00% | −10,700−87.0% | Reduced |
| US Bancorp | 1,372 | $12.0K | 0.00% | +681+98.6% | Added |
| Harbor Capital Advisors, Inc. | 1,377 | $12.0K | 0.00% | +386+39.0% | Added |
| Nisa Investment Advisors, LLC | 970 | $8.49K | 0.00% | −31−3.1% | Reduced |
| Skopos Labs, Inc. | 960 | $8.40K | 0.00% | +608+172.7% | Added |
| Sterling Capital Management LLC | 785 | $6.87K | 0.00% | −605−43.5% | Reduced |
| Fifth Third Bancorp | 622 | $5.44K | 0.00% | +193+45.0% | Added |
| Lindbrook Capital, LLC | 549 | $4.80K | 0.00% | −84−13.3% | Reduced |
| GAMMA Investing LLC | 510 | $4.46K | 0.00% | −1,019−66.6% | Reduced |
| Wiser Advisor Group LLC | 500 | $4.38K | 0.01% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 450 | $3.94K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 325 | $3.00K | 0.00% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 281 | $2.46K | 0.00% | +281 | New |
| Farther Finance Advisors, LLC | 256 | $2.11K | 0.00% | +167+187.6% | Added |
| Pinnacle Holdings, LLC | 186 | $1.63K | 0.00% | 00.0% | Unchanged |
| Red Tortoise LLC | 180 | $1.57K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 177 | $1.55K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 158 | $1.38K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 158 | $1.38K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 147 | $1.29K | 0.00% | +5+3.5% | Added |
| Russell Investments Group, Ltd. | 127 | $1.11K | 0.00% | −170,409−99.9% | Reduced |
| Smartleaf Asset Management LLC | 96 | $830 | 0.00% | −371−79.4% | Reduced |
| Massmutual Trust Co FSB | 81 | $709 | 0.00% | −71−46.7% | Reduced |
| Advisor Group Holdings, Inc. | 58 | $507 | 0.00% | −535−90.2% | Reduced |
| Parkside Financial Bank & Trust | 55 | $482 | 0.00% | +55 | New |
| Quadrant Capital Group LLC | 46 | $403 | 0.00% | −101−68.7% | Reduced |
| Stephens Consulting, LLC | 40 | $350 | 0.00% | +40 | New |
| Farmers & Merchants Investments Inc | 31 | $271 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 29 | $225 | 0.00% | +10+52.6% | Added |
| Legacy Wealth Managment, LLC | 25 | $219 | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 16 | $202 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 19 | $166 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 13 | $114 | 0.00% | +13 | New |
| True Wealth Design, LLC | 13 | $114 | 0.00% | +13 | New |
| IFP Advisors, Inc | 0 | $105 | 0.00% | 0 | Unchanged |
| SBI Securities Co., Ltd. | 10 | $88 | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 29 | $0 | 0.00% | −413−93.4% | Reduced |
| CWM, LLC | 6 | $0 | 0.00% | −327−98.2% | Reduced |
| Covestor Ltd | 21 | $0 | 0.00% | −91−81.3% | Reduced |
| Hantz Financial Services, Inc. | 12 | $0 | 0.00% | +12 | New |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −589,437−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −229,954−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −164,474−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −99,425−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −51,489−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −47,670−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −44,930−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −36,671−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −35,422−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −35,111−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −28,185−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −26,912−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −24,988−100.0% | Sold out |
| Louisiana State Employees Retirement System | 0 | $0 | 0.00% | −22,900−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −24,217−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −21,210−100.0% | Sold out |
| Yousif Capital Management, LLC | 0 | $0 | 0.00% | −18,075−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −17,837−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −16,296−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −15,927−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −13,756−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −12,357−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −11,539−100.0% | Sold out |
| Oregon Public Employees Retirement Fund | 0 | $0 | 0.00% | −11,198−100.0% | Sold out |