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 2021
Institutional positions in Octave Specialty Group Inc as of Jun 30, 2021. 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
- 126
- −14 vs. Q1 2021
- Shares held
- 36.1M
- −427.9K (−1.2%) vs. Q1 2021
- Total value
- $565.0M
- −$46.6M (−7.6%) vs. Q1 2021
- New holders
- 12
- 37 more added
- Sold out
- 26
- 46 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,525,869 | $102.2M | 0.00% | −92,263−1.4% | Reduced |
| Vanguard Group Inc | 4,820,533 | $75.5M | 0.00% | +144,524+3.1% | Added |
| FMR LLC | 2,060,260 | $32.3M | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 2,004,538 | $31.4M | 0.01% | +1,159,037+137.1% | Added |
| CQS (US), LLC | 1,890,000 | $29.6M | 1.80% | +890,000+89.0% | Added |
| Arctis Global LLC | 1,771,563 | $27.7M | 6.72% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,676,585 | $26.3M | 0.01% | −85,549−4.9% | Reduced |
| State Street Corp | 1,478,110 | $23.1M | 0.00% | +47,472+3.3% | Added |
| EJF Capital LLC | 1,324,662 | $20.7M | 1.86% | −50,411−3.7% | Reduced |
| Boussard & Gavaudan Investment Management LLP | 999,883 | $15.7M | 1.67% | −81,848−7.6% | Reduced |
| Bracebridge Capital, LLC | 799,234 | $12.5M | 4.97% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 745,697 | $11.7M | 0.00% | +14,847+2.0% | Added |
| Citigroup Inc | 722,781 | $11.3M | 0.01% | +365+0.1% | Added |
| Barclays PLC | 695,145 | $10.9M | 0.01% | −36,822−5.0% | Reduced |
| Charles Schwab Investment Management Inc | 562,349 | $8.81M | 0.00% | +42,090+8.1% | Added |
| JPMorgan Chase & Co | 531,084 | $8.32M | 0.00% | +7,427+1.4% | Added |
| Northern Trust Corp | 521,170 | $8.16M | 0.00% | −14,484−2.7% | Reduced |
| Davidson Kempner Capital Management LP | 500,000 | $7.83M | 0.06% | +500,000 | New |
| Hotchkis & Wiley Capital Management LLC | 496,147 | $7.77M | 0.02% | +114,230+29.9% | Added |
| Bank of New York Mellon Corp | 427,690 | $6.70M | 0.00% | −34,006−7.4% | Reduced |
| Morgan Stanley | 415,342 | $6.50M | 0.00% | −1,039,506−71.5% | Reduced |
| Assenagon Asset Management S.A. | 378,200 | $5.92M | 0.03% | −456,081−54.7% | Reduced |
| Principal Financial Group Inc | 319,494 | $5.00M | 0.00% | +4,363+1.4% | Added |
| Deutsche Bank AG | 306,495 | $4.80M | 0.00% | −258,785−45.8% | Reduced |
| Harbor Advisors LLC | 261,382 | $4.09M | 0.81% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 255,048 | $3.99M | 0.00% | +7,154+2.9% | Added |
| Nuveen Asset Management, LLC | 192,577 | $3.02M | 0.00% | −9,482−4.7% | Reduced |
| Invesco Ltd. | 179,964 | $2.82M | 0.00% | +18,564+11.5% | Added |
| Public Sector Pension Investment Board | 155,451 | $2.43M | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 146,588 | $2.30M | 0.00% | −6,574−4.3% | Reduced |
| Jacobs Asset Management, LLC | 150,000 | $2.16M | 0.81% | 00.0% | Unchanged |
| Credit Suisse AG | 134,809 | $2.11M | 0.00% | −16,842−11.1% | Reduced |
| Wells Fargo & Company | 133,925 | $2.10M | 0.00% | −13,728−9.3% | Reduced |
| Quinn Opportunity Partners LLC | 128,701 | $2.02M | 0.13% | −8,000−5.9% | Reduced |
| Bank of America Corp | 106,634 | $1.67M | 0.00% | −24,701−18.8% | Reduced |
| Citadel Advisors LLC | 104,866 | $1.64M | 0.00% | +12,237+13.2% | Added |
| Swiss National Bank | 101,000 | $1.58M | 0.00% | −2,800−2.7% | Reduced |
| Legal & General Group Plc | 97,790 | $1.53M | 0.00% | −30,002−23.5% | Reduced |
| Bluefin Capital Management, LLC | 84,731 | $1.33M | 0.09% | +84,731 | New |
| Parametric Portfolio Associates LLC | 83,010 | $1.30M | 0.00% | +8,417+11.3% | Added |
| UBS Group AG | 70,503 | $1.10M | 0.00% | −19,487−21.7% | Reduced |
| Millennium Management LLC | 69,388 | $1.09M | 0.00% | −34,106−33.0% | Reduced |
| D. E. Shaw & Co., Inc. | 68,998 | $1.08M | 0.00% | −45,712−39.9% | Reduced |
| California State Teachers Retirement System | 62,584 | $980.0K | 0.00% | −5,676−8.3% | Reduced |
| Brookfield Asset Management Inc. | 60,000 | $940.0K | 0.00% | +60,000 | New |
| Gsa Capital Partners LLP | 58,189 | $911.0K | 0.10% | +58,189 | New |
| Ensign Peak Advisors, Inc | 57,500 | $900.0K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 56,740 | $889.0K | 0.02% | +2,112+3.9% | Added |
| Verition Fund Management LLC | 53,000 | $830.0K | 0.01% | −19,048−26.4% | Reduced |
| Royce & Associates LP | 53,000 | $830.0K | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 48,227 | $755.0K | 0.00% | −3,013−5.9% | Reduced |
| UBS Asset Management Americas Inc | 47,069 | $737.1K | 0.00% | +3,469+8.0% | Added |
| Price T Rowe Associates Inc | 42,241 | $661.0K | 0.00% | −7,067−14.3% | Reduced |
| New York State Common Retirement Fund | 40,177 | $629.0K | 0.00% | +377+0.9% | Added |
| Great West Life Assurance Co | 39,955 | $626.0K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 43,253 | $591.0K | 0.00% | −3,077−6.6% | Reduced |
| Thrivent Financial for Lutherans | 37,766 | $591.0K | 0.00% | +102+0.3% | Added |
| Alpha Paradigm Partners, LLC | 36,431 | $571.0K | 0.22% | +36,431 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,452 | $555.0K | 0.01% | +92+0.3% | Added |
| Raffles Associates LP | 34,993 | $548.0K | 0.47% | 00.0% | Unchanged |
| Texas Permanent School Fund | 34,427 | $539.0K | 0.01% | +173+0.5% | Added |
| Susquehanna Fundamental Investments, LLC | 32,699 | $512.0K | 0.01% | −8,965−21.5% | Reduced |
| State of Alaska, Department of Revenue | 31,967 | $500.0K | 0.01% | +935+3.0% | Added |
| American International Group, Inc. | 29,611 | $464.0K | 0.00% | −625−2.1% | Reduced |
| Alliancebernstein L.P. | 29,030 | $455.0K | 0.00% | −6,700−18.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 28,415 | $445.0K | 0.00% | +800+2.9% | Added |
| Boothbay Fund Management, LLC | 27,500 | $431.0K | 0.02% | −189−0.7% | Reduced |
| SEI Investments Co | 27,150 | $425.0K | 0.00% | +4,300+18.8% | Added |
| Two Sigma Advisers, LP | 26,700 | $418.0K | 0.00% | −28,600−51.7% | Reduced |
| Manufacturers Life Insurance Company, The | 25,625 | $401.0K | 0.00% | +328+1.3% | Added |
| Private Advisor Group, LLC | 25,077 | $393.0K | 0.00% | +179+0.7% | Added |
| Clear Harbor Asset Management, LLC | 22,680 | $355.0K | 0.04% | −45,220−66.6% | Reduced |
| BNP Paribas Arbitrage, SA | 21,895 | $342.9K | 0.00% | −2,101−8.8% | Reduced |
| Amalgamated Bank | 21,686 | $340.0K | 0.00% | +21,686 | New |
| Redwood Investment Management, LLC | 21,318 | $334.0K | 0.05% | +93+0.4% | Added |
| Mraz, Amerine & Associates, Inc. | 21,100 | $330.0K | 0.09% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 20,940 | $328.0K | 0.00% | +2,007+10.6% | Added |
| Louisiana State Employees Retirement System | 20,800 | $326.0K | 0.01% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 20,130 | $315.0K | 0.03% | +9,947+97.7% | Added |
| Alpine Global Management, LLC | 20,077 | $314.0K | 0.04% | +4,278+27.1% | Added |
| Voya Investment Management LLC | 19,039 | $298.0K | 0.00% | −1,790−8.6% | Reduced |
| Oregon Public Employees Retirement Fund | 18,882 | $296.0K | 0.00% | 00.0% | Unchanged |
| Maven Securities LTD | 16,961 | $266.0K | 0.03% | 00.0% | Unchanged |
| MetLife Investment Management | 16,935 | $265.2K | 0.00% | +4,482+36.0% | Added |
| State of Tennessee, Treasury Department | 16,343 | $256.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 16,270 | $255.0K | 0.00% | −22,490−58.0% | Reduced |
| ExodusPoint Capital Management, LP | 16,004 | $251.0K | 0.00% | −8,388−34.4% | Reduced |
| Bank of Montreal | 14,689 | $230.0K | 0.00% | +3,302+29.0% | Added |
| regents capital Ltd | 14,500 | $227.0K | 0.35% | +4,200+40.8% | Added |
| New York State Teachers Retirement System | 14,430 | $226.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 13,061 | $205.0K | 0.00% | −409−3.0% | Reduced |
| Arizona State Retirement System | 12,452 | $195.0K | 0.00% | −883−6.6% | Reduced |
| XTX Topco Ltd | 12,461 | $195.0K | 0.07% | +12,461 | New |
| Teachers Retirement System of the State of Kentucky | 10,700 | $168.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 10,551 | $165.0K | 0.01% | +10,551 | New |
| Metropolitan Life Insurance Co | 9,669 | $151.4K | 0.00% | −2,808−22.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,830 | $107.0K | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 6,568 | $103.0K | 0.00% | +444+7.3% | Added |
| Pinz Capital Management, LP | 6,200 | $97.0K | 0.03% | −1,300−17.3% | Reduced |
| Nisa Investment Advisors, LLC | 4,950 | $78.0K | 0.00% | 00.0% | Unchanged |