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 |
|---|---|---|---|---|---|
| New York State Teachers Retirement System | 44,830 | $701.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 45,109 | $705.1K | 0.00% | −2,520−5.3% | Reduced |
| Walleye Trading LLC | 56,752 | $887.0K | 0.01% | −415,223−88.0% | Reduced |
| Millennium Management LLC | 57,266 | $895.1K | 0.00% | −19,192−25.1% | Reduced |
| UBS Asset Management Americas Inc | 59,394 | $928.3K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 62,314 | $974.0K | 0.09% | +39,145+169.0% | Added |
| GTS Securities LLC | 64,017 | $1.00M | 0.03% | −65,965−50.7% | Reduced |
| Bank of America Corp | 64,129 | $1.00M | 0.00% | −45,071−41.3% | Reduced |
| Qube Research & Technologies Ltd | 64,576 | $1.01M | 0.00% | +64,243+19,292.2% | Added |
| Marshall Wace, LLP | 69,505 | $1.09M | 0.00% | +69,505 | New |
| Shay Capital LLC | 70,000 | $1.09M | 0.32% | +70,000 | New |
| Arrowstreet Capital, Limited Partnership | 70,176 | $1.10M | 0.00% | +70,176 | New |
| IMC-Chicago, LLC | 71,988 | $1.13M | 0.04% | +71,988 | New |
| Norges Bank | 75,000 | $1.17M | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 77,089 | $1.20M | 0.04% | −9,341−10.8% | Reduced |
| Nisa Investment Advisors, LLC | 78,014 | $1.22M | 0.01% | +75,000+2,488.4% | Added |
| Allianz Asset Management GmbH | 84,326 | $1.32M | 0.00% | +23,060+37.6% | Added |
| Guggenheim Capital LLC | 86,234 | $1.35M | 0.01% | +6,097+7.6% | Added |
| Royce & Associates LP | 86,929 | $1.36M | 0.01% | +29,855+52.3% | Added |
| Los Angeles Capital Management LLC | 87,291 | $1.36M | 0.00% | −7,968−8.4% | Reduced |
| Swiss National Bank | 89,200 | $1.39M | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 94,561 | $1.48M | 0.00% | +3,438+3.8% | Added |
| Exchange Traded Concepts, LLC | 96,166 | $1.50M | 0.04% | −179−0.2% | Reduced |
| Tudor Investment Corp Et Al | 101,130 | $1.58M | 0.02% | +101,130 | New |
| Credit Suisse AG | 104,142 | $1.63M | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 105,272 | $1.65M | 0.12% | +15,540+17.3% | Added |
| Brandywine Global Investment Management, LLC | 121,265 | $1.90M | 0.01% | −881−0.7% | Reduced |
| Gator Capital Management, LLC | 121,435 | $1.90M | 1.01% | 00.0% | Unchanged |
| Legal & General Group Plc | 126,050 | $1.97M | 0.00% | +1,143+0.9% | Added |
| First Trust Advisors LP | 128,070 | $2.00M | 0.00% | +3,873+3.1% | Added |
| Barclays PLC | 129,036 | $2.02M | 0.00% | +32,714+34.0% | Added |
| Wells Fargo & Company | 131,313 | $2.05M | 0.00% | +3,527+2.8% | Added |
| Rhumbline Advisers | 134,449 | $2.10M | 0.00% | −796−0.6% | Reduced |
| JPMorgan Chase & Co | 141,124 | $2.21M | 0.00% | +103,182+271.9% | Added |
| Russell Investments Group, Ltd. | 145,382 | $2.27M | 0.00% | −12,025−7.6% | Reduced |
| Jane Street Group, LLC | 149,969 | $2.34M | 0.00% | −49,090−24.7% | Reduced |
| Empowered Funds, LLC | 154,084 | $2.41M | 0.04% | +12,457+8.8% | Added |
| Renaissance Technologies LLC | 164,344 | $2.57M | 0.00% | −22,400−12.0% | Reduced |
| Public Sector Pension Investment Board | 165,792 | $2.59M | 0.02% | 00.0% | Unchanged |
| Voya Investment Management LLC | 174,667 | $2.73M | 0.00% | +9,040+5.5% | Added |
| Jupiter Asset Management Ltd | 176,515 | $2.76M | 0.03% | −250,148−58.6% | Reduced |
| Citadel Advisors LLC | 193,189 | $3.02M | 0.00% | −211,121−52.2% | Reduced |
| Harbor Advisors LLC | 196,382 | $3.07M | 0.56% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 207,715 | $3.25M | 0.00% | +18,379+9.7% | Added |
| Principal Financial Group Inc | 234,538 | $3.67M | 0.00% | −29,141−11.1% | Reduced |
| AQR Capital Management LLC | 252,144 | $3.94M | 0.01% | −115,695−31.5% | Reduced |
| Simplex Trading, LLC | 279,725 | $4.37M | 0.13% | −53,636−16.1% | Reduced |
| Nuveen Asset Management, LLC | 279,915 | $4.38M | 0.00% | −476,563−63.0% | Reduced |
| HSBC Holdings PLC | 370,948 | $5.80M | 0.00% | +69,171+22.9% | Added |
| Bridgeway Capital Management, LLC | 402,439 | $6.29M | 0.13% | +11,517+2.9% | Added |
| D. E. Shaw & Co., Inc. | 414,721 | $6.48M | 0.01% | −76,998−15.7% | Reduced |
| Bank of New York Mellon Corp | 422,014 | $6.60M | 0.00% | −48,962−10.4% | Reduced |
| Gendell Jeffrey L | 434,313 | $6.79M | 0.26% | +235,058+118.0% | Added |
| Morgan Stanley | 480,539 | $7.51M | 0.00% | −70,651−12.8% | Reduced |
| Northern Trust Corp | 495,412 | $7.74M | 0.00% | −9,285−1.8% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 559,920 | $8.75M | 0.03% | +173,390+44.9% | Added |
| Prudential Financial Inc | 603,120 | $9.43M | 0.01% | −127,000−17.4% | Reduced |
| Deutsche Bank AG | 603,309 | $9.43M | 0.00% | −137,121−18.5% | Reduced |
| Goldman Sachs Group Inc | 604,447 | $9.45M | 0.00% | −45,239−7.0% | Reduced |
| Charles Schwab Investment Management Inc | 666,072 | $10.4M | 0.00% | +16,495+2.5% | Added |
| American Century Companies Inc | 669,951 | $10.5M | 0.01% | +150,249+28.9% | Added |
| Boussard & Gavaudan Investment Management LLP | 683,012 | $10.6M | 1.53% | −170,519−20.0% | Reduced |
| Susquehanna International Group, LLP | 797,113 | $12.5M | 0.02% | +517,001+184.6% | Added |
| Bracebridge Capital, LLC | 799,234 | $12.5M | 2.39% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 967,145 | $15.1M | 0.00% | +20,966+2.2% | Added |
| Repertoire Partners LP | 1,004,702 | $15.7M | 33.00% | +439,469+77.8% | Added |
| Invesco Ltd. | 1,092,507 | $17.1M | 0.00% | +59,693+5.8% | Added |
| State Street Corp | 1,646,835 | $25.7M | 0.00% | +20,708+1.3% | Added |
| FMR LLC | 2,050,417 | $32.0M | 0.00% | −25,092−1.2% | Reduced |
| Dimensional Fund Advisors LP | 2,865,884 | $44.8M | 0.01% | +262,205+10.1% | Added |
| Vanguard Group Inc | 4,833,468 | $75.5M | 0.00% | −1,8970.0% | Reduced |
| BlackRock Inc. | 7,211,756 | $112.7M | 0.00% | −73,648−1.0% | Reduced |
| Man Group plc | 0 | $0 | 0.00% | −52,817−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −35,844−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −33,600−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −21,266−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −19,584−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,859−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −15,183−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,857−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −12,673−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −10,100−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −2,638−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −1,666−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −1,007−100.0% | Sold out |
| AJOVista, LLC | 0 | $0 | 0.00% | −626−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −526−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −479−100.0% | Sold out |
| Lee Financial Co | 0 | $0 | 0.00% | −36−100.0% | Sold out |