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 2024
Institutional positions in Octave Specialty Group Inc as of Dec 31, 2024. 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
- 181
- +1 vs. Q3 2024
- Shares held
- 41.5M
- +1.22M (+3.0%) vs. Q3 2024
- Total value
- $522.4M
- +$72.7M (+16.2%) vs. Q3 2024
- New holders
- 24
- 68 more added
- Sold out
- 23
- 55 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thrivent Financial for Lutherans | 36,671 | $464.0K | 0.00% | −584−1.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 38,850 | $491.5K | 0.03% | +7,216+22.8% | Added |
| Quantbot Technologies LP | 40,434 | $511.5K | 0.02% | −9,465−19.0% | Reduced |
| Alliancebernstein L.P. | 41,240 | $521.7K | 0.00% | +15,200+58.4% | Added |
| Intech Investment Management LLC | 43,629 | $551.9K | 0.01% | +19,921+84.0% | Added |
| Cubist Systematic Strategies, LLC | 43,808 | $554.2K | 0.01% | −368,366−89.4% | Reduced |
| California State Teachers Retirement System | 44,277 | $560.1K | 0.00% | +1,651+3.9% | Added |
| New York State Teachers Retirement System | 44,930 | $568.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 46,833 | $592.4K | 0.01% | +29,405+168.7% | Added |
| Price T Rowe Associates Inc | 46,835 | $593.0K | 0.00% | +7,042+17.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 47,306 | $598.4K | 0.00% | +47,306 | New |
| Prudential Financial Inc | 47,670 | $603.0K | 0.00% | −124,000−72.2% | Reduced |
| Caxton Associates LP | 48,648 | $615.4K | 0.02% | +790+1.7% | Added |
| Graham Capital Management, L.P. | 51,489 | $651.3K | 0.02% | +34,128+196.6% | Added |
| Walleye Trading LLC | 52,452 | $663.5K | 0.01% | +28,401+118.1% | Added |
| Nebula Research & Development LLC | 54,177 | $685.3K | 0.08% | −21,031−28.0% | Reduced |
| BNP Paribas Arbitrage, SA | 60,968 | $771.2K | 0.00% | +29,484+93.6% | Added |
| VELA Investment Management, LLC | 62,584 | $791.7K | 0.27% | +62,584 | New |
| Citigroup Inc | 70,618 | $893.3K | 0.00% | +12,975+22.5% | Added |
| Wells Fargo & Company | 71,421 | $903.5K | 0.00% | −27,102−27.5% | Reduced |
| Royce & Associates LP | 72,934 | $922.6K | 0.01% | +36,015+97.6% | Added |
| Verition Fund Management LLC | 74,335 | $940.3K | 0.00% | −14,414−16.2% | Reduced |
| Great West Life Assurance Co | 77,655 | $981.0K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 88,469 | $1.12M | 0.03% | +60,816+219.9% | Added |
| UBS Group AG | 89,528 | $1.13M | 0.00% | +70,333+366.4% | Added |
| Swiss National Bank | 93,300 | $1.18M | 0.00% | +4,100+4.6% | Added |
| Walleye Capital LLC | 99,425 | $1.26M | 0.01% | +81,327+449.4% | Added |
| HRT Financial LP | 107,557 | $1.36M | 0.01% | −37,968−26.1% | Reduced |
| Squarepoint Ops LLC | 120,848 | $1.53M | 0.00% | −130,801−52.0% | Reduced |
| Legal & General Group Plc | 122,939 | $1.56M | 0.00% | −657−0.5% | Reduced |
| Renaissance Technologies LLC | 124,200 | $1.57M | 0.00% | −165,300−57.1% | Reduced |
| Two Sigma Investments, LP | 132,295 | $1.67M | 0.00% | +38,540+41.1% | Added |
| Rhumbline Advisers | 140,999 | $1.78M | 0.00% | +8,495+6.4% | Added |
| Exchange Traded Concepts, LLC | 164,474 | $2.08M | 0.04% | +6,760+4.3% | Added |
| Tudor Investment Corp Et Al | 164,868 | $2.09M | 0.02% | −2,058−1.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 167,172 | $2.11M | 0.00% | −78,248−31.9% | Reduced |
| Russell Investments Group, Ltd. | 170,536 | $2.16M | 0.00% | −82,472−32.6% | Reduced |
| Empowered Funds, LLC | 181,633 | $2.30M | 0.03% | +8,784+5.1% | Added |
| Public Sector Pension Investment Board | 190,804 | $2.41M | 0.01% | +18,148+10.5% | Added |
| UBS Asset Management Americas Inc | 194,034 | $2.45M | 0.00% | +37,067+23.6% | Added |
| Bank of America Corp | 194,061 | $2.45M | 0.00% | +121,228+166.4% | Added |
| Prescott Group Capital Management, L.L.C. | 194,902 | $2.47M | 0.33% | 00.0% | Unchanged |
| Harbor Advisors LLC | 196,382 | $2.48M | 0.39% | 00.0% | Unchanged |
| Millennium Management LLC | 209,592 | $2.65M | 0.00% | −66,065−24.0% | Reduced |
| Principal Financial Group Inc | 229,954 | $2.91M | 0.00% | +6,589+2.9% | Added |
| Third Avenue Management LLC | 230,416 | $2.91M | 0.56% | +230,416 | New |
| Ameriprise Financial Inc | 235,649 | $2.98M | 0.00% | +18,553+8.5% | Added |
| Norges Bank | 263,100 | $3.33M | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 266,939 | $3.38M | 0.00% | −97,635−26.8% | Reduced |
| Caption Management, LLC | 272,477 | $3.45M | 0.14% | +179,648+193.5% | Added |
| JPMorgan Chase & Co | 276,762 | $3.50M | 0.00% | +22,690+8.9% | Added |
| Bridgeway Capital Management, LLC | 291,633 | $3.69M | 0.08% | +8,784+3.1% | Added |
| Bank of New York Mellon Corp | 296,219 | $3.75M | 0.00% | −82,559−21.8% | Reduced |
| HSBC Holdings PLC | 312,282 | $3.91M | 0.00% | −16,681−5.1% | Reduced |
| Jane Street Group, LLC | 316,176 | $4.00M | 0.01% | +78,457+33.0% | Added |
| Invesco Ltd. | 375,513 | $4.75M | 0.00% | +58,630+18.5% | Added |
| Citadel Advisors LLC | 379,010 | $4.79M | 0.00% | −350,221−48.0% | Reduced |
| Barclays PLC | 429,861 | $5.44M | 0.00% | +53,759+14.3% | Added |
| D. E. Shaw & Co., Inc. | 431,135 | $5.45M | 0.01% | −44,326−9.3% | Reduced |
| Western Standard LLC | 453,530 | $5.74M | 3.82% | +177,567+64.3% | Added |
| Morgan Stanley | 497,955 | $6.30M | 0.00% | −244,958−33.0% | Reduced |
| Charles Schwab Investment Management Inc | 505,126 | $6.39M | 0.00% | −48,273−8.7% | Reduced |
| Gendell Jeffrey L | 527,538 | $6.67M | 0.21% | 00.0% | Unchanged |
| Northern Trust Corp | 536,486 | $6.79M | 0.00% | +63,430+13.4% | Added |
| Bracebridge Capital, LLC | 579,234 | $7.33M | 0.72% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 589,437 | $7.46M | 0.50% | +589,437 | New |
| Deutsche Bank AG | 675,133 | $8.54M | 0.00% | −14,697−2.1% | Reduced |
| Susquehanna International Group, LLP | 754,965 | $9.55M | 0.01% | +381,822+102.3% | Added |
| Nuveen Asset Management, LLC | 824,357 | $10.4M | 0.00% | +326,149+65.5% | Added |
| Hotchkis & Wiley Capital Management LLC | 837,650 | $10.6M | 0.04% | +92,900+12.5% | Added |
| American Century Companies Inc | 929,345 | $11.8M | 0.01% | +34,861+3.9% | Added |
| Bain Capital Credit, LP | 1,108,012 | $11.9M | 2.65% | 00.0% | Unchanged |
| Wolf Hill Capital Management, LP | 1,000,003 | $12.7M | 1.02% | +1,000,003 | New |
| Geode Capital Management, LLC | 1,046,510 | $13.2M | 0.00% | +17,554+1.7% | Added |
| Goldman Sachs Group Inc | 1,185,700 | $15.0M | 0.00% | +492,208+71.0% | Added |
| FMR LLC | 1,615,030 | $20.4M | 0.00% | −117,156−6.8% | Reduced |
| State Street Corp | 1,794,042 | $22.7M | 0.00% | +140,498+8.5% | Added |
| Repertoire Partners LP | 2,161,630 | $27.3M | 58.93% | +97,885+4.7% | Added |
| Dimensional Fund Advisors LP | 2,706,151 | $34.2M | 0.01% | −98,249−3.5% | Reduced |
| Vanguard Group Inc | 3,216,048 | $40.7M | 0.00% | −902,375−21.9% | Reduced |
| BlackRock, Inc. | 7,960,513 | $100.7M | 0.00% | +248,771+3.2% | Added |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −230,200−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −84,926−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −52,673−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −48,114−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −43,816−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −42,348−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −36,240−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −35,388−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −33,068−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −24,403−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −24,044−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −18,919−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −17,092−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −16,467−100.0% | Sold out |
| Interval Partners, LP | 0 | $0 | 0.00% | −10,238−100.0% | Sold out |
| Long Focus Capital Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |