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, Q2 2025
Institutional positions in Octave Specialty Group Inc as of Jun 30, 2025. 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
- 147
- −28 vs. Q1 2025
- Shares held
- 37.0M
- −580.5K (−1.5%) vs. Q1 2025
- Total value
- $262.5M
- −$65.1M (−19.9%) vs. Q1 2025
- New holders
- 31
- 47 more added
- Sold out
- 59
- 50 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bessemer Group Inc | 29 | $0 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 7 | $50 | 0.00% | +7 | New |
| Parallel Advisors, LLC | 15 | $107 | 0.00% | +15 | New |
| Legacy Wealth Managment, LLC | 25 | $178 | 0.00% | 00.0% | Unchanged |
| Legacy Investment Solutions, LLC | 25 | $178 | 0.00% | +25 | New |
| Advisor Group Holdings, Inc. | 26 | $184 | 0.00% | −32−55.2% | Reduced |
| Rothschild Investment LLC | 32 | $227 | 0.00% | −115−78.2% | Reduced |
| True Wealth Design, LLC | 35 | $249 | 0.00% | +22+169.2% | Added |
| EverSource Wealth Advisors, LLC | 51 | $362 | 0.00% | +51 | New |
| The PNC Financial Services Group, Inc. | 101 | $718 | 0.00% | +101 | New |
| Advisors Asset Management, Inc. | 102 | $724 | 0.00% | +102 | New |
| Signaturefd, LLC | 116 | $824 | 0.00% | +116 | New |
| Allworth Financial LP | 137 | $973 | 0.00% | +108+372.4% | Added |
| Glenmede Investment Management, LP | 161 | $1.14K | 0.00% | +161 | New |
| DiNuzzo Private Wealth, Inc. | 177 | $1.26K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 0 | $1.32K | 0.00% | 0 | Unchanged |
| US Bancorp | 227 | $1.61K | 0.00% | −1,145−83.5% | Reduced |
| CoreCap Advisors, LLC | 266 | $1.89K | 0.00% | +266 | New |
| Capital Analysts, LLC | 325 | $2.00K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 303 | $2.15K | 0.00% | −657−68.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 410 | $2.91K | 0.00% | +397+3,053.8% | Added |
| SBI Securities Co., Ltd. | 440 | $3.12K | 0.00% | +430+4,300.0% | Added |
| Russell Investments Group, Ltd. | 689 | $4.89K | 0.00% | +562+442.5% | Added |
| GAMMA Investing LLC | 760 | $5.40K | 0.00% | +250+49.0% | Added |
| Nisa Investment Advisors, LLC | 1,018 | $7.23K | 0.00% | +48+4.9% | Added |
| Harbor Capital Advisors, Inc. | 1,124 | $8.00K | 0.00% | −253−18.4% | Reduced |
| Sterling Capital Management LLC | 1,220 | $8.66K | 0.00% | +435+55.4% | Added |
| Tower Research Capital LLC (TRC) | 1,510 | $10.7K | 0.00% | −1,838−54.9% | Reduced |
| Amalgamated Bank | 1,567 | $11.0K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 1,555 | $11.0K | 0.00% | +1,555 | New |
| Versant Capital Management, Inc | 1,619 | $11.5K | 0.00% | +1,600+8,421.1% | Added |
| CWM, LLC | 3,962 | $28.0K | 0.00% | +3,956+65,933.3% | Added |
| Legal & General Group Plc | 4,305 | $30.6K | 0.00% | −39,237−90.1% | Reduced |
| Ameritas Investment Partners, Inc. | 4,583 | $32.5K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 5,231 | $37.1K | 0.00% | +5,231 | New |
| Point72 (DIFC) Ltd | 5,943 | $42.2K | 0.00% | −14,856−71.4% | Reduced |
| LM Asset (IM) Inc. | 6,000 | $42.6K | 0.04% | +6,000 | New |
| Police & Firemen's Retirement System of New Jersey | 9,202 | $65.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,073 | $71.5K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 10,677 | $75.8K | 0.00% | −787−6.9% | Reduced |
| Cerity Partners LLC | 11,851 | $84.1K | 0.00% | +11,851 | New |
| State Board of Administration of Florida Retirement System | 12,630 | $89.7K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 12,946 | $91.9K | 0.00% | +250+2.0% | Added |
| Ieq Capital, LLC | 13,667 | $97.0K | 0.00% | +13,667 | New |
| Point72 Hong Kong Ltd | 14,151 | $100.5K | 0.01% | +14,151 | New |
| State of Wyoming | 14,501 | $103.0K | 0.01% | −257−1.7% | Reduced |
| Winton Group Ltd | 15,197 | $107.9K | 0.01% | +15,197 | New |
| Manufacturers Life Insurance Company, The | 17,993 | $127.8K | 0.00% | +1,615+9.9% | Added |
| Quantbot Technologies LP | 18,834 | $133.7K | 0.00% | −81,474−81.2% | Reduced |
| Mraz, Amerine & Associates, Inc. | 18,850 | $133.8K | 0.02% | −700−3.6% | Reduced |
| Creative Planning | 20,421 | $145.0K | 0.00% | +20,421 | New |
| Gator Capital Management, LLC | 21,435 | $152.2K | 0.05% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 21,642 | $154.0K | 0.00% | −14,554−40.2% | Reduced |
| Cresset Asset Management, LLC | 22,193 | $157.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 23,031 | $163.5K | 0.00% | −25,385−52.4% | Reduced |
| SEI Investments Co | 23,565 | $167.3K | 0.00% | +4,689+24.8% | Added |
| KLCM Advisors, Inc. | 24,000 | $170.4K | 0.02% | 00.0% | Unchanged |
| FJ Capital Management LLC | 24,677 | $175.2K | 0.02% | +24,677 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 26,281 | $186.6K | 0.00% | −696−2.6% | Reduced |
| Quantinno Capital Management LP | 28,826 | $204.7K | 0.00% | +28,826 | New |
| Simplex Trading, LLC | 31,219 | $221.0K | 0.01% | −99,452−76.1% | Reduced |
| JPMorgan Chase & Co | 31,231 | $221.7K | 0.00% | −32,188−50.8% | Reduced |
| Graham Capital Management, L.P. | 31,418 | $223.1K | 0.01% | +31,418 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 33,143 | $235.3K | 0.04% | −11,947−26.5% | Reduced |
| Axq Capital, LP | 35,439 | $251.6K | 0.08% | +7,694+27.7% | Added |
| Alliancebernstein L.P. | 37,530 | $266.5K | 0.00% | +9,690+34.8% | Added |
| Qube Research & Technologies Ltd | 37,584 | $266.8K | 0.00% | +37,584 | New |
| Fox Run Management, L.L.C. | 37,922 | $269.2K | 0.04% | −7,249−16.0% | Reduced |
| Walleye Capital LLC | 38,094 | $270.5K | 0.00% | +38,094 | New |
| XTX Topco Ltd | 38,524 | $273.5K | 0.01% | −81,083−67.8% | Reduced |
| Verition Fund Management LLC | 39,318 | $279.2K | 0.00% | −63−0.2% | Reduced |
| Intech Investment Management LLC | 41,388 | $293.9K | 0.00% | +4,250+11.4% | Added |
| Envestnet Portfolio Solutions, Inc. | 41,667 | $295.8K | 0.00% | +29,140+232.6% | Added |
| First Citizens Bank & Trust Co | 43,210 | $306.8K | 0.01% | +29,140+207.1% | Added |
| Two Sigma Investments, LP | 43,923 | $311.9K | 0.00% | −81,740−65.0% | Reduced |
| ExodusPoint Capital Management, LP | 46,074 | $327.0K | 0.00% | −46,965−50.5% | Reduced |
| Engineers Gate Manager LP | 46,607 | $330.9K | 0.00% | −82,908−64.0% | Reduced |
| Centiva Capital, LP | 46,815 | $332.4K | 0.02% | +46,815 | New |
| DLD Asset Management, LP | 50,000 | $355.0K | 0.04% | +50,000 | New |
| Brevan Howard Capital Management LP | 50,703 | $360.0K | 0.00% | −23,628−31.8% | Reduced |
| AQR Capital Management LLC | 51,300 | $364.2K | 0.00% | +51,300 | New |
| Price T Rowe Associates Inc | 52,205 | $371.0K | 0.00% | +3,332+6.8% | Added |
| Royal Bank of Canada | 52,209 | $371.0K | 0.00% | +49,197+1,633.4% | Added |
| State of Wisconsin Investment Board | 59,544 | $422.8K | 0.00% | +59,544 | New |
| Aurelius Capital Management, LP | 60,546 | $429.9K | 2.92% | +60,546 | New |
| Virtu Financial LLC | 62,840 | $446.0K | 0.02% | +62,840 | New |
| Caxton Associates LLP | 65,647 | $466.1K | 0.01% | 00.0% | Unchanged |
| Wells Fargo & Company | 71,808 | $509.8K | 0.00% | +487+0.7% | Added |
| Public Sector Pension Investment Board | 72,000 | $511.2K | 0.00% | 00.0% | Unchanged |
| Empirical Finance, LLC | 72,182 | $512.5K | 0.03% | +72,182 | New |
| Rhumbline Advisers | 74,916 | $531.9K | 0.00% | +5,376+7.7% | Added |
| Norges Bank | 75,000 | $532.5K | 0.00% | −188,100−71.5% | Reduced |
| HSBC Holdings PLC | 97,348 | $674.8K | 0.00% | −118,087−54.8% | Reduced |
| Nebula Research & Development LLC | 107,124 | $760.6K | 0.06% | +34,022+46.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 111,053 | $788.5K | 0.00% | +79,854+256.0% | Added |
| HRT Financial LP | 119,016 | $845.0K | 0.00% | −282,256−70.3% | Reduced |
| BNP Paribas Arbitrage, SA | 119,468 | $848.2K | 0.00% | +98,402+467.1% | Added |
| VELA Investment Management, LLC | 122,770 | $871.7K | 0.26% | +30,358+32.9% | Added |
| IMC-Chicago, LLC | 141,026 | $1.00M | 0.03% | +46,223+48.8% | Added |
| Bank of New York Mellon Corp | 141,935 | $1.01M | 0.00% | −2,138−1.5% | Reduced |