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 2022
Institutional positions in Octave Specialty Group Inc as of Mar 31, 2022. 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
- 150
- +15 vs. Q4 2021
- Shares held
- 37.8M
- +436.0K (+1.2%) vs. Q4 2021
- Total value
- $392.1M
- −$206.7M (−34.5%) vs. Q4 2021
- New holders
- 29
- 56 more added
- Sold out
- 14
- 47 more reduced
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Salzhauer Michael | 95,761 | $996.0K | 0.44% | +15,077+18.7% | Added |
| Bank of Montreal | 112,716 | $1.08M | 0.00% | +49,933+79.5% | Added |
| Jane Street Group, LLC | 107,377 | $1.12M | 0.00% | +72,351+206.6% | Added |
| Swiss National Bank | 109,500 | $1.14M | 0.00% | +8,500+8.4% | Added |
| Legal & General Group Plc | 109,567 | $1.14M | 0.00% | −1,012−0.9% | Reduced |
| Millennium Management LLC | 113,455 | $1.18M | 0.00% | +113,455 | New |
| Tudor Investment Corp Et Al | 117,606 | $1.22M | 0.03% | +3,558+3.1% | Added |
| Susquehanna International Group, LLP | 125,965 | $1.31M | 0.00% | +58,554+86.9% | Added |
| Norges Bank | 126,300 | $1.31M | 0.00% | −103,086−44.9% | Reduced |
| Interval Partners, LP | 130,438 | $1.36M | 0.10% | +4,348+3.4% | Added |
| Rhumbline Advisers | 131,313 | $1.37M | 0.00% | −458−0.3% | Reduced |
| Bank of America Corp | 133,783 | $1.39M | 0.00% | −6,998−5.0% | Reduced |
| Wells Fargo & Company | 135,873 | $1.41M | 0.00% | −20,539−13.1% | Reduced |
| Verition Fund Management LLC | 138,000 | $1.44M | 0.03% | +87,000+170.6% | Added |
| Public Sector Pension Investment Board | 147,671 | $1.54M | 0.01% | −113,780−43.5% | Reduced |
| Brookfield Asset Management Inc. | 150,000 | $1.56M | 0.01% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 176,008 | $1.83M | 0.07% | +133,743+316.4% | Added |
| Canada Pension Plan Investment Board | 184,000 | $1.91M | 0.00% | −43,000−18.9% | Reduced |
| Citadel Advisors LLC | 186,667 | $1.94M | 0.00% | −201,549−51.9% | Reduced |
| Quinn Opportunity Partners LLC | 190,000 | $1.98M | 0.12% | +74,000+63.8% | Added |
| HSBC Holdings PLC | 193,374 | $1.98M | 0.00% | +30,820+19.0% | Added |
| Nuveen Asset Management, LLC | 250,775 | $2.25M | 0.00% | +31,766+14.5% | Added |
| Invesco Ltd. | 226,859 | $2.36M | 0.00% | +50,695+28.8% | Added |
| Two Seas Capital LP | 233,457 | $2.43M | 2.03% | +45,000+23.9% | Added |
| Deutsche Bank AG | 247,784 | $2.58M | 0.00% | +40,575+19.6% | Added |
| Harbor Advisors LLC | 251,382 | $2.61M | 0.54% | −10,000−3.8% | Reduced |
| Ameriprise Financial Inc | 263,559 | $2.74M | 0.00% | +15,610+6.3% | Added |
| Principal Financial Group Inc | 305,438 | $3.18M | 0.00% | −3,114−1.0% | Reduced |
| D. E. Shaw & Co., Inc. | 306,235 | $3.19M | 0.00% | +151,131+97.4% | Added |
| Gator Capital Management, LLC | 315,286 | $3.28M | 2.40% | +39,000+14.1% | Added |
| JPMorgan Chase & Co | 383,886 | $3.99M | 0.00% | −251,585−39.6% | Reduced |
| Bank of New York Mellon Corp | 438,725 | $4.56M | 0.00% | −8,616−1.9% | Reduced |
| Northern Trust Corp | 515,659 | $5.36M | 0.00% | −14,932−2.8% | Reduced |
| UBS Group AG | 551,993 | $5.74M | 0.00% | +541,367+5,094.7% | Added |
| Hotchkis & Wiley Capital Management LLC | 618,741 | $6.43M | 0.02% | +147,724+31.4% | Added |
| Charles Schwab Investment Management Inc | 648,776 | $6.75M | 0.00% | +22,055+3.5% | Added |
| Barclays PLC | 698,033 | $7.26M | 0.01% | −22,590−3.1% | Reduced |
| Geode Capital Management, LLC | 742,911 | $7.73M | 0.00% | −18,133−2.4% | Reduced |
| Bracebridge Capital, LLC | 799,234 | $8.31M | 2.86% | 00.0% | Unchanged |
| Repertoire Partners LP | 1,007,002 | $10.5M | 4.93% | +1,006,902+1,006,902.0% | Added |
| Boussard & Gavaudan Investment Management LLP | 1,112,712 | $11.5M | 1.86% | +12,326+1.1% | Added |
| Morgan Stanley | 1,128,833 | $11.7M | 0.00% | −128,301−10.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 1,336,800 | $13.9M | 0.05% | +592,305+79.6% | Added |
| Goldman Sachs Group Inc | 1,381,884 | $14.4M | 0.00% | −580,827−29.6% | Reduced |
| Dimensional Fund Advisors LP | 1,566,259 | $16.3M | 0.01% | +91,106+6.2% | Added |
| State Street Corp | 1,619,691 | $16.8M | 0.00% | +42,833+2.7% | Added |
| CQS (US), LLC | 2,050,000 | $21.3M | 1.48% | +160,000+8.5% | Added |
| FMR LLC | 2,060,440 | $21.4M | 0.00% | +1800.0% | Added |
| Vanguard Group Inc | 5,159,157 | $53.7M | 0.00% | +177,767+3.6% | Added |
| BlackRock Inc. | 6,358,331 | $66.1M | 0.00% | −95,253−1.5% | Reduced |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −984,385−100.0% | Sold out |
| Arctis Global LLC | 0 | $0 | 0.00% | −412,880−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −368,689−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −53,392−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −43,686−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −41,410−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −39,603−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −37,561−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −24,400−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −14,575−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −12,916−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −10,458−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −2,708−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −869−100.0% | Sold out |