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 2023
Institutional positions in Octave Specialty Group Inc as of Dec 31, 2023. 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
- 174
- +7 vs. Q3 2023
- Shares held
- 38.1M
- +1.87M (+5.2%) vs. Q3 2023
- Total value
- $628.4M
- +$189.7M (+43.2%) vs. Q3 2023
- New holders
- 28
- 56 more added
- Sold out
- 21
- 60 more reduced
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Great West Life Assurance Co | 40,202 | $662.0K | 0.00% | −2,736−6.4% | Reduced |
| Thrivent Financial for Lutherans | 40,272 | $664.0K | 0.00% | −1,172−2.8% | Reduced |
| Wolverine Trading, LLC | 42,897 | $706.9K | 0.01% | +42,897 | New |
| State of Wisconsin Investment Board | 44,597 | $735.0K | 0.00% | −14,127−24.1% | Reduced |
| New York State Teachers Retirement System | 44,830 | $739.0K | 0.00% | −3,104−6.5% | Reduced |
| California State Teachers Retirement System | 47,629 | $784.9K | 0.00% | −2,184−4.4% | Reduced |
| Man Group plc | 52,817 | $870.4K | 0.00% | – | – |
| Royce & Associates LP | 57,074 | $940.6K | 0.01% | +8,496+17.5% | Added |
| State of Tennessee, Treasury Department | 57,135 | $941.6K | 0.00% | +6,459+12.7% | Added |
| LPL Financial LLC | 57,998 | $955.8K | 0.00% | −276−0.5% | Reduced |
| UBS Asset Management Americas Inc | 59,394 | $978.8K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 61,266 | $1.01M | 0.00% | −212,567−77.6% | Reduced |
| Caxton Associates LP | 66,203 | $1.09M | 0.06% | +38+0.1% | Added |
| Norges Bank | 75,000 | $1.24M | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 76,134 | $1.25M | 0.00% | +69,963+1,133.7% | Added |
| Millennium Management LLC | 76,458 | $1.26M | 0.00% | −15,669−17.0% | Reduced |
| Guggenheim Capital LLC | 80,137 | $1.32M | 0.01% | +80,137 | New |
| Group One Trading, L.P. | 86,430 | $1.42M | 0.04% | +86,430 | New |
| Swiss National Bank | 89,200 | $1.47M | 0.00% | −9,400−9.5% | Reduced |
| Winton Group Ltd | 89,732 | $1.48M | 0.11% | +89,732 | New |
| Assetmark, Inc | 91,123 | $1.50M | 0.01% | +45,630+100.3% | Added |
| Walleye Capital LLC | 93,614 | $1.54M | 0.02% | +93,614 | New |
| Los Angeles Capital Management LLC | 95,259 | $1.57M | 0.01% | −68,932−42.0% | Reduced |
| Barclays PLC | 96,322 | $1.59M | 0.00% | +42,242+78.1% | Added |
| Exchange Traded Concepts, LLC | 96,345 | $1.59M | 0.04% | +764+0.8% | Added |
| Credit Suisse AG | 104,142 | $1.72M | 0.00% | +2,598+2.6% | Added |
| Bank of America Corp | 109,200 | $1.80M | 0.00% | +9,027+9.0% | Added |
| Gator Capital Management, LLC | 121,435 | $2.00M | 1.11% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 122,146 | $2.01M | 0.02% | −12,762−9.5% | Reduced |
| First Trust Advisors LP | 124,197 | $2.05M | 0.00% | +2,659+2.2% | Added |
| Legal & General Group Plc | 124,907 | $2.06M | 0.00% | +5,103+4.3% | Added |
| Caption Management, LLC | 125,210 | $2.06M | 0.22% | +117,310+1,484.9% | Added |
| Wells Fargo & Company | 127,786 | $2.11M | 0.00% | −32,173−20.1% | Reduced |
| GTS Securities LLC | 129,982 | $2.14M | 0.05% | +117,114+910.1% | Added |
| Rhumbline Advisers | 135,245 | $2.23M | 0.00% | −10,210−7.0% | Reduced |
| Empowered Funds, LLC | 141,627 | $2.33M | 0.06% | +13,377+10.4% | Added |
| Russell Investments Group, Ltd. | 157,407 | $2.59M | 0.00% | +27,338+21.0% | Added |
| Voya Investment Management LLC | 165,627 | $2.73M | 0.00% | −74,747−31.1% | Reduced |
| Public Sector Pension Investment Board | 165,792 | $2.73M | 0.02% | +37,797+29.5% | Added |
| Renaissance Technologies LLC | 186,744 | $3.08M | 0.00% | +61,200+48.7% | Added |
| Ameriprise Financial Inc | 189,336 | $3.12M | 0.00% | −5,150−2.6% | Reduced |
| Harbor Advisors LLC | 196,382 | $3.24M | 0.62% | 00.0% | Unchanged |
| Jane Street Group, LLC | 199,059 | $3.28M | 0.00% | +13,790+7.4% | Added |
| Gendell Jeffrey L | 199,255 | $3.28M | 0.18% | +68,959+52.9% | Added |
| Principal Financial Group Inc | 263,679 | $4.35M | 0.00% | −1,752−0.7% | Reduced |
| Susquehanna International Group, LLP | 280,112 | $4.62M | 0.01% | +261,441+1,400.3% | Added |
| HSBC Holdings PLC | 301,777 | $4.92M | 0.00% | −3,408−1.1% | Reduced |
| Simplex Trading, LLC | 333,361 | $5.49M | 0.17% | +319,769+2,352.6% | Added |
| AQR Capital Management LLC | 367,839 | $6.06M | 0.01% | −133,285−26.6% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 386,530 | $6.37M | 0.02% | −28,510−6.9% | Reduced |
| Bridgeway Capital Management, LLC | 390,922 | $6.44M | 0.14% | +12,672+3.4% | Added |
| Citadel Advisors LLC | 404,310 | $6.66M | 0.01% | +255,812+172.3% | Added |
| Jupiter Asset Management Ltd | 426,663 | $7.03M | 0.07% | +17,944+4.4% | Added |
| Bank of New York Mellon Corp | 470,976 | $7.76M | 0.00% | +1,302+0.3% | Added |
| Walleye Trading LLC | 471,975 | $7.78M | 0.12% | +471,975 | New |
| D. E. Shaw & Co., Inc. | 491,719 | $8.10M | 0.01% | +96,742+24.5% | Added |
| Northern Trust Corp | 504,697 | $8.32M | 0.00% | +2,968+0.6% | Added |
| American Century Companies Inc | 519,702 | $8.56M | 0.01% | +92,024+21.5% | Added |
| Morgan Stanley | 551,190 | $9.08M | 0.00% | −27,655−4.8% | Reduced |
| Repertoire Partners LP | 565,233 | $9.32M | 23.09% | −956,537−62.9% | Reduced |
| Charles Schwab Investment Management Inc | 649,577 | $10.7M | 0.00% | +9,493+1.5% | Added |
| Goldman Sachs Group Inc | 649,686 | $10.7M | 0.00% | −21,541−3.2% | Reduced |
| Prudential Financial Inc | 730,120 | $12.0M | 0.02% | +494,058+209.3% | Added |
| Deutsche Bank AG | 740,430 | $12.2M | 0.01% | +708,761+2,238.0% | Added |
| Nuveen Asset Management, LLC | 756,478 | $12.5M | 0.00% | +188,836+33.3% | Added |
| Bracebridge Capital, LLC | 799,234 | $13.2M | 10.52% | 00.0% | Unchanged |
| Boussard & Gavaudan Investment Management LLP | 853,531 | $13.9M | 2.71% | −520,120−37.9% | Reduced |
| Geode Capital Management, LLC | 946,179 | $15.6M | 0.00% | +44,924+5.0% | Added |
| Invesco Ltd. | 1,032,814 | $17.0M | 0.00% | +147,358+16.6% | Added |
| State Street Corp | 1,626,127 | $26.8M | 0.00% | +16,554+1.0% | Added |
| FMR LLC | 2,075,509 | $34.2M | 0.00% | +55,341+2.7% | Added |
| Dimensional Fund Advisors LP | 2,603,679 | $42.9M | 0.01% | +65,733+2.6% | Added |
| Vanguard Group Inc | 4,835,365 | $79.7M | 0.00% | +11,586+0.2% | Added |
| BlackRock Inc. | 7,285,404 | $120.1M | 0.00% | +454,843+6.7% | Added |
| Bank of Montreal | 0 | $0 | 0.00% | −204,023−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −106,459−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −31,505−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −30,288−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −27,350−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −24,839−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −20,252−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −15,202−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,060−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −12,495−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,655−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −10,469−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −10,374−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −10,100−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −2,739−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −1,610−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −19−100.0% | Sold out |