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 2023
Institutional positions in Octave Specialty Group Inc as of Mar 31, 2023. 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
- 160
- −6 vs. Q4 2022
- Shares held
- 38.9M
- +4.41M (+12.8%) vs. Q4 2022
- Total value
- $596.2M
- −$3.76M (−0.6%) vs. Q4 2022
- New holders
- 20
- 49 more added
- Sold out
- 26
- 56 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 68,568 | $1.06M | 0.00% | −248,720−78.4% | Reduced |
| Susquehanna International Group, LLP | 70,274 | $1.09M | 0.00% | +70,274 | New |
| Winton Group Ltd | 73,877 | $1.14M | 0.07% | −21,552−22.6% | Reduced |
| Prudential Financial Inc | 76,422 | $1.18M | 0.00% | +4,030+5.6% | Added |
| National Bank of Canada | 80,000 | $1.24M | 0.00% | +80,000 | New |
| Assetmark, Inc | 80,955 | $1.25M | 0.01% | +80,955 | New |
| Renaissance Technologies LLC | 81,844 | $1.27M | 0.00% | +62,900+332.0% | Added |
| Thrivent Financial for Lutherans | 87,814 | $1.36M | 0.00% | −1,562−1.7% | Reduced |
| Bank of America Corp | 90,359 | $1.40M | 0.00% | +8,303+10.1% | Added |
| Swiss National Bank | 97,000 | $1.50M | 0.00% | −11,500−10.6% | Reduced |
| Legal & General Group Plc | 108,669 | $1.68M | 0.00% | −1,306−1.2% | Reduced |
| Brandywine Global Investment Management, LLC | 110,082 | $1.70M | 0.01% | +24,468+28.6% | Added |
| Qube Research & Technologies Ltd | 110,177 | $1.71M | 0.01% | +110,177 | New |
| Millennium Management LLC | 112,366 | $1.74M | 0.00% | −345,720−75.5% | Reduced |
| Walleye Trading LLC | 112,862 | $1.75M | 0.06% | +105,247+1,382.1% | Added |
| Voloridge Investment Management, LLC | 115,111 | $1.78M | 0.01% | +71,193+162.1% | Added |
| Caxton Associates LP | 120,842 | $1.87M | 0.30% | +28,320+30.6% | Added |
| Simplex Trading, LLC | 121,605 | $1.88M | 0.09% | +106,206+689.7% | Added |
| Voya Investment Management LLC | 127,588 | $1.98M | 0.00% | +103,875+438.1% | Added |
| Russell Investments Group, Ltd. | 134,140 | $2.08M | 0.00% | +6,474+5.1% | Added |
| Gendell Jeffrey L | 140,296 | $2.17M | 0.20% | +40,296+40.3% | Added |
| Gator Capital Management, LLC | 140,935 | $2.18M | 1.69% | −43,482−23.6% | Reduced |
| Rhumbline Advisers | 147,616 | $2.29M | 0.00% | +6,638+4.7% | Added |
| Public Sector Pension Investment Board | 151,094 | $2.34M | 0.02% | +68,676+83.3% | Added |
| Wells Fargo & Company | 171,549 | $2.66M | 0.00% | −8,059−4.5% | Reduced |
| Norges Bank | 184,000 | $2.85M | 0.00% | −139,400−43.1% | Reduced |
| Two Seas Capital LP | 187,568 | $2.90M | 2.66% | −52,958−22.0% | Reduced |
| Harbor Advisors LLC | 196,382 | $3.04M | 0.71% | −55,000−21.9% | Reduced |
| Allianz Asset Management GmbH | 230,803 | $3.57M | 0.01% | +8,919+4.0% | Added |
| HSBC Holdings PLC | 239,927 | $3.64M | 0.00% | −8,105−3.3% | Reduced |
| Ameriprise Financial Inc | 247,007 | $3.82M | 0.00% | +71,319+40.6% | Added |
| Hillsdale Investment Management Inc. | 257,100 | $3.98M | 0.34% | 00.0% | Unchanged |
| Principal Financial Group Inc | 272,068 | $4.21M | 0.00% | −2,694−1.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 275,414 | $4.26M | 0.03% | +275,414 | New |
| American Century Companies Inc | 286,122 | $4.43M | 0.00% | +166,558+139.3% | Added |
| D. E. Shaw & Co., Inc. | 310,826 | $4.81M | 0.01% | +20,245+7.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 311,725 | $4.83M | 0.03% | +27,200+9.6% | Added |
| Bridgeway Capital Management, LLC | 323,730 | $5.01M | 0.13% | +98,730+43.9% | Added |
| Deutsche Bank AG | 386,136 | $5.98M | 0.00% | +83,061+27.4% | Added |
| Bank of New York Mellon Corp | 453,231 | $7.02M | 0.00% | −22,055−4.6% | Reduced |
| Invesco Ltd. | 467,949 | $7.24M | 0.00% | −10,704−2.2% | Reduced |
| Northern Trust Corp | 493,964 | $7.65M | 0.00% | −5,207−1.0% | Reduced |
| Goldman Sachs Group Inc | 537,573 | $8.32M | 0.00% | +25,038+4.9% | Added |
| AQR Capital Management LLC | 583,441 | $9.03M | 0.02% | +185,335+46.6% | Added |
| Charles Schwab Investment Management Inc | 672,523 | $10.4M | 0.00% | −5,610−0.8% | Reduced |
| Nuveen Asset Management, LLC | 721,502 | $11.2M | 0.00% | +251,105+53.4% | Added |
| Bracebridge Capital, LLC | 799,234 | $12.4M | 6.99% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 823,450 | $12.7M | 0.00% | +707,991+613.2% | Added |
| Geode Capital Management, LLC | 837,930 | $13.0M | 0.00% | +27,088+3.3% | Added |
| UBS Group AG | 839,268 | $13.0M | 0.01% | +451,498+116.4% | Added |
| Arrowstreet Capital, Limited Partnership | 913,665 | $14.1M | 0.02% | +853,797+1,426.1% | Added |
| Morgan Stanley | 1,024,894 | $15.9M | 0.00% | +682,857+199.6% | Added |
| Boussard & Gavaudan Investment Management LLP | 1,429,791 | $21.1M | 1.99% | +285,651+25.0% | Added |
| Dimensional Fund Advisors LP | 1,690,891 | $26.2M | 0.01% | +168,422+11.1% | Added |
| State Street Corp | 1,754,872 | $27.2M | 0.00% | +87,376+5.2% | Added |
| FMR LLC | 1,992,632 | $30.8M | 0.00% | +2,472+0.1% | Added |
| Repertoire Partners LP | 2,246,112 | $34.8M | 10.07% | +246,112+12.3% | Added |
| Vanguard Group Inc | 5,195,158 | $80.4M | 0.00% | +207,184+4.2% | Added |
| BlackRock Inc. | 6,833,925 | $105.8M | 0.00% | +170,380+2.6% | Added |
| Cerity Partners LLC | 155 | – | – | +155 | New |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −110,791−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −78,509−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −70,137−100.0% | Sold out |
| Salzhauer Michael | 0 | $0 | 0.00% | −66,821−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −66,029−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −58,939−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −49,996−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −45,105−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −30,931−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −26,600−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −24,367−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −24,218−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −21,433−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,118−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −14,463−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −12,273−100.0% | Sold out |
| Natixis Advisors, L.P. | 0 | $0 | 0.00% | −12,112−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −10,871−100.0% | Sold out |
| Pathstone Family Office, LLC | 0 | $0 | 0.00% | −12,450−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,907−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −1,582−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −603−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −378−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −197−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Tfo-TDC, LLC | 0 | $0 | 0.00% | −1,738−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |