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, Q3 2023
Institutional positions in Octave Specialty Group Inc as of Sep 30, 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
- 167
- +8 vs. Q2 2023
- Shares held
- 36.3M
- −834.4K (−2.2%) vs. Q2 2023
- Total value
- $438.7M
- −$89.1M (−16.9%) vs. Q2 2023
- New holders
- 23
- 56 more added
- Sold out
- 15
- 53 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 19,211 | $231.7K | 0.00% | +2,631+15.9% | Added |
| Citigroup Inc | 19,134 | $230.8K | 0.00% | −20,798−52.1% | Reduced |
| Susquehanna International Group, LLP | 18,671 | $225.2K | 0.00% | −248,558−93.0% | Reduced |
| Envestnet Asset Management Inc | 18,597 | $224.3K | 0.00% | −4,498−19.5% | Reduced |
| New York State Common Retirement Fund | 18,357 | $221.4K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 18,171 | $219.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 17,364 | $209.4K | 0.01% | +16,538+2,002.2% | Added |
| Maryland State Retirement & Pension System | 16,687 | $201.2K | 0.00% | −970−5.5% | Reduced |
| SEI Investments Co | 16,396 | $197.7K | 0.00% | +16,396 | New |
| Manufacturers Life Insurance Company, The | 16,185 | $195.2K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 15,545 | $187.5K | 0.00% | −1,513−8.9% | Reduced |
| UBS Group AG | 15,382 | $185.5K | 0.00% | −22,542−59.4% | Reduced |
| Nebula Research & Development LLC | 15,202 | $183.3K | 0.10% | +15,202 | New |
| SG Americas Securities, LLC | 15,060 | $182.0K | 0.00% | +15,060 | New |
| KLCM Advisors, Inc. | 14,000 | $168.8K | 0.03% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,592 | $163.0K | 0.01% | −70,393−83.8% | Reduced |
| Oregon Public Employees Retirement Fund | 13,498 | $162.8K | 0.00% | −600−4.3% | Reduced |
| Arizona State Retirement System | 12,904 | $155.6K | 0.00% | +184+1.4% | Added |
| GTS Securities LLC | 12,868 | $155.2K | 0.00% | +12,868 | New |
| State Board of Administration of Florida Retirement System | 12,630 | $152.3K | 0.00% | +60+0.5% | Added |
| Dynamic Technology Lab Private Ltd | 12,495 | $150.0K | 0.01% | +12,495 | New |
| Teachers Retirement System of the State of Kentucky | 12,301 | $148.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 11,655 | $140.6K | 0.02% | +11,655 | New |
| State of Wyoming | 11,556 | $139.4K | 0.03% | −424−3.5% | Reduced |
| Everence Capital Management Inc | 10,910 | $132.0K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 10,469 | $126.3K | 0.02% | +10,469 | New |
| Counterpoint Mutual Funds LLC | 10,374 | $125.1K | 0.10% | +1,440+16.1% | Added |
| Sherbrooke Park Advisers LLC | 10,100 | $121.8K | 0.04% | +10,100 | New |
| Long Focus Capital Management, LLC | 10,000 | $120.6K | 0.02% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,189 | $98.8K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 7,900 | $95.3K | 0.01% | −100−1.3% | Reduced |
| Royal Bank of Canada | 7,622 | $92.0K | 0.00% | +2,744+56.3% | Added |
| Federated Hermes, Inc. | 6,171 | $74.4K | 0.00% | +1,309+26.9% | Added |
| Clearstead Advisors, LLC | 6,000 | $72.4K | 0.00% | +6,000 | New |
| Amundi | 5,973 | $68.5K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,062 | $61.0K | 0.00% | +3,409+206.2% | Added |
| Ameritas Investment Partners, Inc. | 3,798 | $45.8K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 2,847 | $34.3K | 0.00% | −254−8.2% | Reduced |
| Nisa Investment Advisors, LLC | 2,814 | $33.9K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,739 | $33.0K | 0.00% | −4,534−62.3% | Reduced |
| Gladius Capital Management LP | 2,528 | $30.5K | 0.01% | +1,052+71.3% | Added |
| Metropolitan Life Insurance Co | 2,437 | $29.4K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 2,214 | $27.0K | 0.00% | −1,758−44.3% | Reduced |
| Lazard Asset Management LLC | 1,691 | $20.0K | 0.00% | 00.0% | Unchanged |
| Dorsey Wright & Associates | 1,610 | $19.4K | 0.01% | −56−3.4% | Reduced |
| Public Employees Retirement System of Ohio | 1,219 | $15.0K | 0.00% | −31−2.5% | Reduced |
| Quarry LP | 881 | $10.6K | 0.01% | +881 | New |
| Covestor Ltd | 666 | $8.00K | 0.01% | +18+2.8% | Added |
| Lindbrook Capital, LLC | 549 | $6.62K | 0.00% | −68−11.0% | Reduced |
| US Bancorp | 537 | $6.48K | 0.00% | +190+54.8% | Added |
| Fifth Third Bancorp | 429 | $5.17K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 325 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 293 | $4.00K | 0.00% | +293 | New |
| Quadrant Capital Group LLC | 278 | $3.35K | 0.00% | +143+105.9% | Added |
| Parkside Financial Bank & Trust | 215 | $2.59K | 0.00% | 00.0% | Unchanged |
| Red Tortoise LLC | 180 | $2.17K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 177 | $2.13K | 0.00% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 150 | $1.81K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 144 | $1.74K | 0.00% | −108−42.9% | Reduced |
| Parallel Advisors, LLC | 106 | $1.28K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 83 | $1.00K | 0.00% | −191−69.7% | Reduced |
| CWM, LLC | 60 | $1.00K | 0.00% | −9−13.0% | Reduced |
| Capital Advisors, Ltd. LLC | 55 | $1.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 58 | $699 | 0.00% | 00.0% | Unchanged |
| Lee Financial Co | 36 | $435 | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 31 | $374 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 19 | $229 | 0.00% | 00.0% | Unchanged |
| Two Seas Capital LP | 0 | $0 | 0.00% | −187,568−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −165,988−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −155,878−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −91,934−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −82,582−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −72,571−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −41,652−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −28,430−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −24,109−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −8,956−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −6,300−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −2,674−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −181−100.0% | Sold out |
| Impact Partnership Wealth, LLC | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| EA Series Trust | – | – | – | – | Not filed |