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 2024
Institutional positions in Octave Specialty Group Inc as of Mar 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
- 172
- −2 vs. Q4 2023
- Shares held
- 37.9M
- −294.2K (−0.8%) vs. Q4 2023
- Total value
- $591.5M
- −$36.9M (−5.9%) vs. Q4 2023
- New holders
- 17
- 46 more added
- Sold out
- 19
- 70 more reduced
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,211,756 | $112.7M | 0.00% | −73,648−1.0% | Reduced |
| Vanguard Group Inc | 4,833,468 | $75.5M | 0.00% | −1,8970.0% | Reduced |
| Dimensional Fund Advisors LP | 2,865,884 | $44.8M | 0.01% | +262,205+10.1% | Added |
| FMR LLC | 2,050,417 | $32.0M | 0.00% | −25,092−1.2% | Reduced |
| State Street Corp | 1,646,835 | $25.7M | 0.00% | +20,708+1.3% | Added |
| Invesco Ltd. | 1,092,507 | $17.1M | 0.00% | +59,693+5.8% | Added |
| Repertoire Partners LP | 1,004,702 | $15.7M | 33.00% | +439,469+77.8% | Added |
| Geode Capital Management, LLC | 967,145 | $15.1M | 0.00% | +20,966+2.2% | Added |
| Bracebridge Capital, LLC | 799,234 | $12.5M | 2.39% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 797,113 | $12.5M | 0.02% | +517,001+184.6% | Added |
| Boussard & Gavaudan Investment Management LLP | 683,012 | $10.6M | 1.53% | −170,519−20.0% | Reduced |
| American Century Companies Inc | 669,951 | $10.5M | 0.01% | +150,249+28.9% | Added |
| Charles Schwab Investment Management Inc | 666,072 | $10.4M | 0.00% | +16,495+2.5% | Added |
| Goldman Sachs Group Inc | 604,447 | $9.45M | 0.00% | −45,239−7.0% | Reduced |
| Deutsche Bank AG | 603,309 | $9.43M | 0.00% | −137,121−18.5% | Reduced |
| Prudential Financial Inc | 603,120 | $9.43M | 0.01% | −127,000−17.4% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 559,920 | $8.75M | 0.03% | +173,390+44.9% | Added |
| Northern Trust Corp | 495,412 | $7.74M | 0.00% | −9,285−1.8% | Reduced |
| Morgan Stanley | 480,539 | $7.51M | 0.00% | −70,651−12.8% | Reduced |
| Gendell Jeffrey L | 434,313 | $6.79M | 0.26% | +235,058+118.0% | Added |
| Bank of New York Mellon Corp | 422,014 | $6.60M | 0.00% | −48,962−10.4% | Reduced |
| D. E. Shaw & Co., Inc. | 414,721 | $6.48M | 0.01% | −76,998−15.7% | Reduced |
| Bridgeway Capital Management, LLC | 402,439 | $6.29M | 0.13% | +11,517+2.9% | Added |
| HSBC Holdings PLC | 370,948 | $5.80M | 0.00% | +69,171+22.9% | Added |
| Nuveen Asset Management, LLC | 279,915 | $4.38M | 0.00% | −476,563−63.0% | Reduced |
| Simplex Trading, LLC | 279,725 | $4.37M | 0.13% | −53,636−16.1% | Reduced |
| AQR Capital Management LLC | 252,144 | $3.94M | 0.01% | −115,695−31.5% | Reduced |
| Principal Financial Group Inc | 234,538 | $3.67M | 0.00% | −29,141−11.1% | Reduced |
| Ameriprise Financial Inc | 207,715 | $3.25M | 0.00% | +18,379+9.7% | Added |
| Harbor Advisors LLC | 196,382 | $3.07M | 0.56% | 00.0% | Unchanged |
| Citadel Advisors LLC | 193,189 | $3.02M | 0.00% | −211,121−52.2% | Reduced |
| Jupiter Asset Management Ltd | 176,515 | $2.76M | 0.03% | −250,148−58.6% | Reduced |
| Voya Investment Management LLC | 174,667 | $2.73M | 0.00% | +9,040+5.5% | Added |
| Public Sector Pension Investment Board | 165,792 | $2.59M | 0.02% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 164,344 | $2.57M | 0.00% | −22,400−12.0% | Reduced |
| Empowered Funds, LLC | 154,084 | $2.41M | 0.04% | +12,457+8.8% | Added |
| Jane Street Group, LLC | 149,969 | $2.34M | 0.00% | −49,090−24.7% | Reduced |
| Russell Investments Group, Ltd. | 145,382 | $2.27M | 0.00% | −12,025−7.6% | Reduced |
| JPMorgan Chase & Co | 141,124 | $2.21M | 0.00% | +103,182+271.9% | Added |
| Rhumbline Advisers | 134,449 | $2.10M | 0.00% | −796−0.6% | Reduced |
| Wells Fargo & Company | 131,313 | $2.05M | 0.00% | +3,527+2.8% | Added |
| Barclays PLC | 129,036 | $2.02M | 0.00% | +32,714+34.0% | Added |
| First Trust Advisors LP | 128,070 | $2.00M | 0.00% | +3,873+3.1% | Added |
| Legal & General Group Plc | 126,050 | $1.97M | 0.00% | +1,143+0.9% | Added |
| Gator Capital Management, LLC | 121,435 | $1.90M | 1.01% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 121,265 | $1.90M | 0.01% | −881−0.7% | Reduced |
| Winton Group Ltd | 105,272 | $1.65M | 0.12% | +15,540+17.3% | Added |
| Credit Suisse AG | 104,142 | $1.63M | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 101,130 | $1.58M | 0.02% | +101,130 | New |
| Exchange Traded Concepts, LLC | 96,166 | $1.50M | 0.04% | −179−0.2% | Reduced |
| Assetmark, Inc | 94,561 | $1.48M | 0.00% | +3,438+3.8% | Added |
| Swiss National Bank | 89,200 | $1.39M | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 87,291 | $1.36M | 0.00% | −7,968−8.4% | Reduced |
| Royce & Associates LP | 86,929 | $1.36M | 0.01% | +29,855+52.3% | Added |
| Guggenheim Capital LLC | 86,234 | $1.35M | 0.01% | +6,097+7.6% | Added |
| Allianz Asset Management GmbH | 84,326 | $1.32M | 0.00% | +23,060+37.6% | Added |
| Nisa Investment Advisors, LLC | 78,014 | $1.22M | 0.01% | +75,000+2,488.4% | Added |
| Group One Trading, L.P. | 77,089 | $1.20M | 0.04% | −9,341−10.8% | Reduced |
| Norges Bank | 75,000 | $1.17M | 0.00% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 71,988 | $1.13M | 0.04% | +71,988 | New |
| Arrowstreet Capital, Limited Partnership | 70,176 | $1.10M | 0.00% | +70,176 | New |
| Shay Capital LLC | 70,000 | $1.09M | 0.32% | +70,000 | New |
| Marshall Wace, LLP | 69,505 | $1.09M | 0.00% | +69,505 | New |
| Qube Research & Technologies Ltd | 64,576 | $1.01M | 0.00% | +64,243+19,292.2% | Added |
| Bank of America Corp | 64,129 | $1.00M | 0.00% | −45,071−41.3% | Reduced |
| GTS Securities LLC | 64,017 | $1.00M | 0.03% | −65,965−50.7% | Reduced |
| PDT Partners, LLC | 62,314 | $974.0K | 0.09% | +39,145+169.0% | Added |
| UBS Asset Management Americas Inc | 59,394 | $928.3K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 57,266 | $895.1K | 0.00% | −19,192−25.1% | Reduced |
| Walleye Trading LLC | 56,752 | $887.0K | 0.01% | −415,223−88.0% | Reduced |
| California State Teachers Retirement System | 45,109 | $705.1K | 0.00% | −2,520−5.3% | Reduced |
| New York State Teachers Retirement System | 44,830 | $701.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 40,202 | $628.0K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 39,620 | $619.3K | 0.00% | 00.0% | Unchanged |
| Texas Permanent School Fund | 39,554 | $618.2K | 0.00% | +770+2.0% | Added |
| Thrivent Financial for Lutherans | 39,208 | $613.0K | 0.00% | −1,064−2.6% | Reduced |
| Price T Rowe Associates Inc | 38,405 | $601.0K | 0.00% | +1,861+5.1% | Added |
| LPL Financial LLC | 38,350 | $599.4K | 0.00% | −19,648−33.9% | Reduced |
| Dark Forest Capital Management LP | 38,083 | $595.2K | 0.10% | +38,083 | New |
| ExodusPoint Capital Management, LP | 37,388 | $584.0K | 0.01% | +7,251+24.1% | Added |
| State of Wisconsin Investment Board | 35,242 | $550.8K | 0.00% | −9,355−21.0% | Reduced |
| UBS Group AG | 34,611 | $541.0K | 0.00% | +6,407+22.7% | Added |
| Citigroup Inc | 31,000 | $484.5K | 0.00% | +2,984+10.7% | Added |
| ClearAlpha Technologies LP | 30,600 | $478.3K | 0.20% | −399−1.3% | Reduced |
| SEI Investments Co | 29,714 | $464.5K | 0.00% | +6,879+30.1% | Added |
| Trexquant Investment LP | 28,074 | $438.8K | 0.01% | +28,074 | New |
| Illinois Municipal Retirement Fund | 27,952 | $437.0K | 0.01% | +1,307+4.9% | Added |
| State of Alaska, Department of Revenue | 27,533 | $430.0K | 0.00% | −271−1.0% | Reduced |
| Algert Global LLC | 27,460 | $429.2K | 0.02% | −9,490−25.7% | Reduced |
| Franklin Resources Inc | 27,347 | $427.4K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 26,301 | $411.1K | 0.00% | −16,596−38.7% | Reduced |
| HighTower Advisors, LLC | 25,834 | $411.0K | 0.00% | −1,441−5.3% | Reduced |
| New York State Common Retirement Fund | 25,689 | $401.5K | 0.00% | +10,704+71.4% | Added |
| Truist Financial Corp | 24,325 | $380.2K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 24,133 | $377.2K | 0.00% | −1,217−4.8% | Reduced |
| American International Group, Inc. | 23,913 | $373.8K | 0.00% | −214−0.9% | Reduced |
| BNP Paribas Arbitrage, SA | 23,370 | $365.3K | 0.00% | +8,318+55.3% | Added |
| Verition Fund Management LLC | 23,299 | $364.2K | 0.00% | +2,893+14.2% | Added |
| Caxton Associates LP | 22,792 | $356.2K | 0.02% | −43,411−65.6% | Reduced |
| State of Tennessee, Treasury Department | 22,523 | $352.0K | 0.00% | −34,612−60.6% | Reduced |