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, Q4 2021
Institutional positions in Octave Specialty Group Inc as of Dec 31, 2021. 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
- 135
- +2 vs. Q3 2021
- Shares held
- 37.3M
- +1.29M (+3.6%) vs. Q3 2021
- Total value
- $598.9M
- +$82.7M (+16.0%) vs. Q3 2021
- New holders
- 19
- 53 more added
- Sold out
- 17
- 31 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,453,584 | $103.6M | 0.00% | +126,757+2.0% | Added |
| Vanguard Group Inc | 4,981,390 | $80.0M | 0.00% | +124,312+2.6% | Added |
| FMR LLC | 2,060,260 | $33.1M | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,962,711 | $31.5M | 0.01% | +19,593+1.0% | Added |
| CQS (US), LLC | 1,890,000 | $30.3M | 1.91% | 00.0% | Unchanged |
| State Street Corp | 1,576,858 | $25.3M | 0.00% | +91,066+6.1% | Added |
| Dimensional Fund Advisors LP | 1,475,153 | $23.7M | 0.01% | +113,493+8.3% | Added |
| Morgan Stanley | 1,257,134 | $20.2M | 0.00% | −292,375−18.9% | Reduced |
| Boussard & Gavaudan Investment Management LLP | 1,100,386 | $17.7M | 1.75% | −117,520−9.6% | Reduced |
| Davidson Kempner Capital Management LP | 984,385 | $15.8M | 0.24% | 00.0% | Unchanged |
| Bracebridge Capital, LLC | 799,234 | $12.8M | 3.86% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 761,044 | $12.2M | 0.00% | +10,928+1.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 744,495 | $11.9M | 0.03% | +309,395+71.1% | Added |
| Barclays PLC | 720,623 | $11.6M | 0.01% | +12,868+1.8% | Added |
| JPMorgan Chase & Co | 635,471 | $10.2M | 0.00% | +222,274+53.8% | Added |
| Charles Schwab Investment Management Inc | 626,721 | $10.1M | 0.00% | +32,626+5.5% | Added |
| Northern Trust Corp | 530,591 | $8.52M | 0.00% | +35,943+7.3% | Added |
| Hotchkis & Wiley Capital Management LLC | 471,017 | $7.56M | 0.02% | −12,400−2.6% | Reduced |
| Bank of New York Mellon Corp | 447,341 | $7.18M | 0.00% | +9,650+2.2% | Added |
| Arctis Global LLC | 412,880 | $6.63M | 2.59% | +341,317+476.9% | Added |
| Citadel Advisors LLC | 388,216 | $6.23M | 0.01% | +253,342+187.8% | Added |
| Assenagon Asset Management S.A. | 368,689 | $5.92M | 0.02% | −3,487−0.9% | Reduced |
| Principal Financial Group Inc | 308,552 | $4.95M | 0.00% | −6,569−2.1% | Reduced |
| Gator Capital Management, LLC | 276,286 | $4.43M | 3.21% | +276,286 | New |
| Public Sector Pension Investment Board | 261,451 | $4.20M | 0.02% | +106,000+68.2% | Added |
| Harbor Advisors LLC | 261,382 | $4.20M | 0.78% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 247,949 | $3.98M | 0.00% | −3,470−1.4% | Reduced |
| Norges Bank | 229,386 | $3.68M | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 227,000 | $3.64M | 0.00% | +122,000+116.2% | Added |
| Deutsche Bank AG | 207,209 | $3.33M | 0.00% | −13,185−6.0% | Reduced |
| Nuveen Asset Management, LLC | 219,009 | $3.13M | 0.00% | +29,595+15.6% | Added |
| Two Seas Capital LP | 188,457 | $3.02M | 2.32% | +188,457 | New |
| Invesco Ltd. | 176,164 | $2.83M | 0.00% | −7,888−4.3% | Reduced |
| HSBC Holdings PLC | 162,554 | $2.62M | 0.00% | +162,554 | New |
| Wells Fargo & Company | 156,412 | $2.51M | 0.00% | +21,971+16.3% | Added |
| D. E. Shaw & Co., Inc. | 155,104 | $2.49M | 0.00% | +116,114+297.8% | Added |
| Credit Suisse AG | 151,271 | $2.43M | 0.00% | +8,472+5.9% | Added |
| Brookfield Asset Management Inc. | 150,000 | $2.41M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 140,781 | $2.26M | 0.00% | +463+0.3% | Added |
| Rhumbline Advisers | 131,771 | $2.12M | 0.00% | +2,381+1.8% | Added |
| Interval Partners, LP | 126,090 | $2.02M | 0.14% | +22,206+21.4% | Added |
| Schonfeld Strategic Advisors LLC | 121,900 | $1.96M | 0.02% | +49,900+69.3% | Added |
| Quinn Opportunity Partners LLC | 116,000 | $1.86M | 0.11% | −12,701−9.9% | Reduced |
| Tudor Investment Corp Et Al | 114,048 | $1.83M | 0.04% | +76,100+200.5% | Added |
| Legal & General Group Plc | 110,579 | $1.77M | 0.00% | +3,742+3.5% | Added |
| Bluefin Capital Management, LLC | 108,403 | $1.74M | 0.14% | +6,333+6.2% | Added |
| Simplex Trading, LLC | 102,854 | $1.65M | 0.05% | +101,894+10,614.0% | Added |
| Swiss National Bank | 101,000 | $1.62M | 0.00% | 00.0% | Unchanged |
| Salzhauer Michael | 80,684 | $1.29M | 0.49% | +10,684+15.3% | Added |
| LPL Financial LLC | 69,565 | $1.12M | 0.00% | +12,161+21.2% | Added |
| Susquehanna International Group, LLP | 67,411 | $1.08M | 0.00% | +10,239+17.9% | Added |
| Parametric Portfolio Associates LLC | 65,127 | $1.04M | 0.00% | −3,013−4.4% | Reduced |
| California State Teachers Retirement System | 63,568 | $1.02M | 0.00% | +1,444+2.3% | Added |
| Bank of Montreal | 62,783 | $1.02M | 0.00% | +48,365+335.4% | Added |
| ExodusPoint Capital Management, LP | 62,001 | $995.0K | 0.01% | +62,001 | New |
| Susquehanna Fundamental Investments, LLC | 53,392 | $857.0K | 0.02% | +20,312+61.4% | Added |
| Royce & Associates LP | 53,000 | $851.0K | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 51,000 | $819.0K | 0.01% | −4,190−7.6% | Reduced |
| Prudential Financial Inc | 48,372 | $776.0K | 0.00% | −712−1.5% | Reduced |
| UBS Asset Management Americas Inc | 47,069 | $755.5K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 44,474 | $714.0K | 0.00% | +2,000+4.7% | Added |
| Squarepoint Ops LLC | 43,686 | $701.0K | 0.00% | +43,686 | New |
| Yousif Capital Management, LLC | 42,352 | $680.0K | 0.01% | +42,352 | New |
| Engineers Gate Manager LP | 42,265 | $678.0K | 0.03% | +42,265 | New |
| Walleye Trading LLC | 41,410 | $665.0K | 0.01% | +38,670+1,411.3% | Added |
| Great West Life Assurance Co | 39,955 | $641.0K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 39,900 | $640.0K | 0.00% | −17,600−30.6% | Reduced |
| Nomura Holdings Inc | 39,603 | $636.0K | 0.00% | +39,603 | New |
| Cubist Systematic Strategies, LLC | 38,801 | $623.0K | 0.01% | +38,801 | New |
| Thrivent Financial for Lutherans | 37,683 | $605.0K | 0.00% | +325+0.9% | Added |
| Corton Capital Inc. | 37,561 | $603.0K | 0.27% | +37,561 | New |
| Comerica Bank | 39,977 | $574.0K | 0.00% | −1,949−4.6% | Reduced |
| Citigroup Inc | 35,266 | $566.0K | 0.00% | −292,121−89.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,997 | $562.0K | 0.01% | −45−0.1% | Reduced |
| Jane Street Group, LLC | 35,026 | $562.0K | 0.00% | +35,026 | New |
| Two Sigma Advisers, LP | 34,700 | $557.0K | 0.00% | +12,600+57.0% | Added |
| BNP Paribas Arbitrage, SA | 33,646 | $540.0K | 0.00% | −15,275−31.2% | Reduced |
| Texas Permanent School Fund | 33,530 | $538.0K | 0.01% | −658−1.9% | Reduced |
| New York State Common Retirement Fund | 33,465 | $537.0K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 33,121 | $532.0K | 0.07% | −49,463−59.9% | Reduced |
| State of Alaska, Department of Revenue | 32,787 | $526.0K | 0.01% | −925−2.7% | Reduced |
| Cutler Group LP | 32,400 | $520.0K | 0.04% | +30,300+1,442.9% | Added |
| Boothbay Fund Management, LLC | 29,553 | $474.0K | 0.02% | +2,053+7.5% | Added |
| American International Group, Inc. | 27,730 | $445.0K | 0.00% | −886−3.1% | Reduced |
| SEI Investments Co | 27,150 | $436.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 26,965 | $433.0K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 25,013 | $401.0K | 0.00% | +133+0.5% | Added |
| Dynamic Technology Lab Private Ltd | 24,937 | $400.0K | 0.04% | +14,106+130.2% | Added |
| Renaissance Technologies LLC | 24,400 | $392.0K | 0.00% | −28,400−53.8% | Reduced |
| Trexquant Investment LP | 24,332 | $391.0K | 0.02% | +4,479+22.6% | Added |
| Louisiana State Employees Retirement System | 22,400 | $360.0K | 0.01% | +100+0.4% | Added |
| Amalgamated Bank | 21,753 | $349.0K | 0.00% | +449+2.1% | Added |
| State Board of Administration of Florida Retirement System | 20,940 | $336.0K | 0.00% | 00.0% | Unchanged |
| Mraz, Amerine & Associates, Inc. | 20,850 | $335.0K | 0.09% | 00.0% | Unchanged |
| Redwood Investment Management, LLC | 20,285 | $326.0K | 0.04% | −1,033−4.8% | Reduced |
| Maryland State Retirement & Pension System | 18,200 | $292.0K | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 17,991 | $289.0K | 0.00% | −1,048−5.5% | Reduced |
| Oregon Public Employees Retirement Fund | 17,982 | $289.0K | 0.00% | −800−4.3% | Reduced |
| Tower Research Capital LLC (TRC) | 16,074 | $258.0K | 0.00% | −4,988−23.7% | Reduced |
| MetLife Investment Management | 15,807 | $253.7K | 0.00% | +4,950+45.6% | Added |