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 2021
Institutional positions in Octave Specialty Group Inc as of Sep 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
- 133
- +8 vs. Q2 2021
- Shares held
- 36.1M
- −30.1K (−0.1%) vs. Q2 2021
- Total value
- $516.2M
- −$48.6M (−8.6%) vs. Q2 2021
- New holders
- 20
- 37 more added
- Sold out
- 12
- 44 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eaton Vance Management | 433 | $0 | 0.00% | +280+183.0% | Added |
| Parallel Advisors, LLC | 16 | $0 | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 84 | $1.00K | 0.00% | −86−50.6% | Reduced |
| Lee Financial Co | 36 | $1.00K | 0.00% | 00.0% | Unchanged |
| Graves-Light Private Wealth Management, Inc. | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 47 | $1.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 101 | $1.00K | 0.00% | +101 | New |
| Versant Capital Management, Inc | 155 | $2.00K | 0.00% | −44−22.1% | Reduced |
| Red Tortoise LLC | 180 | $2.00K | 0.00% | +180 | New |
| Steward Partners Investment Advisory, LLC | 177 | $3.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 312 | $4.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 316 | $5.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 397 | $6.00K | 0.00% | −290−42.2% | Reduced |
| Macquarie Group Ltd | 514 | $7.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 669 | $9.00K | 0.00% | −201−23.1% | Reduced |
| Simplex Trading, LLC | 960 | $15.0K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 1,429 | $20.0K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 2,100 | $30.0K | 0.00% | +1,843+717.1% | Added |
| BDO Wealth Advisors, LLC | 2,661 | $38.0K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 2,740 | $39.0K | 0.00% | +1,034+60.6% | Added |
| Ameritas Investment Partners, Inc. | 3,798 | $54.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 4,950 | $71.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 5,195 | $74.0K | 0.00% | +529+11.3% | Added |
| Mutual of America Capital Management LLC | 6,163 | $88.0K | 0.00% | −405−6.2% | Reduced |
| Royal Bank of Canada | 6,121 | $88.0K | 0.00% | +2,888+89.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,830 | $98.0K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 10,700 | $153.0K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 10,831 | $155.0K | 0.02% | −9,299−46.2% | Reduced |
| Jump Financial, LLC | 10,800 | $155.0K | 0.01% | +10,800 | New |
| MetLife Investment Management | 10,857 | $155.5K | 0.00% | −6,078−35.9% | Reduced |
| UBS Group AG | 10,945 | $157.0K | 0.00% | −59,558−84.5% | Reduced |
| Metropolitan Life Insurance Co | 11,358 | $162.6K | 0.00% | +1,689+17.5% | Added |
| Cornerstone Investment Partners, LLC | 12,485 | $179.0K | 0.01% | +12,485 | New |
| Arizona State Retirement System | 12,584 | $180.0K | 0.00% | +132+1.1% | Added |
| New York State Teachers Retirement System | 14,430 | $207.0K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 14,418 | $208.0K | 0.00% | −271−1.8% | Reduced |
| State of Tennessee, Treasury Department | 14,769 | $212.0K | 0.00% | −1,574−9.6% | Reduced |
| HighTower Advisors, LLC | 15,326 | $219.0K | 0.00% | +15,326 | New |
| Everence Capital Management Inc | 16,620 | $238.0K | 0.02% | +16,620 | New |
| HRT Financial LP | 18,145 | $259.0K | 0.00% | +18,145 | New |
| Maryland State Retirement & Pension System | 18,200 | $263.0K | 0.01% | +18,200 | New |
| Oregon Public Employees Retirement Fund | 18,782 | $269.0K | 0.00% | −100−0.5% | Reduced |
| Voya Investment Management LLC | 19,039 | $273.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 19,853 | $284.0K | 0.02% | +9,302+88.2% | Added |
| Mraz, Amerine & Associates, Inc. | 20,850 | $299.0K | 0.08% | −250−1.2% | Reduced |
| State Board of Administration of Florida Retirement System | 20,940 | $300.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 21,062 | $302.0K | 0.01% | +18,038+596.5% | Added |
| Clear Harbor Asset Management, LLC | 21,130 | $303.0K | 0.04% | −1,550−6.8% | Reduced |
| Amalgamated Bank | 21,304 | $305.0K | 0.00% | −382−1.8% | Reduced |
| Redwood Investment Management, LLC | 21,318 | $305.0K | 0.04% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 22,100 | $316.0K | 0.00% | −4,600−17.2% | Reduced |
| Louisiana State Employees Retirement System | 22,300 | $319.0K | 0.01% | +1,500+7.2% | Added |
| Millennium Management LLC | 23,829 | $341.0K | 0.00% | −45,559−65.7% | Reduced |
| Maven Securities LTD | 24,061 | $345.0K | 0.04% | +7,100+41.9% | Added |
| Manufacturers Life Insurance Company, The | 24,325 | $348.0K | 0.00% | −1,300−5.1% | Reduced |
| Alliancebernstein L.P. | 24,880 | $356.0K | 0.00% | −4,150−14.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 26,965 | $386.0K | 0.00% | −1,450−5.1% | Reduced |
| SEI Investments Co | 27,150 | $389.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 27,500 | $394.0K | 0.02% | 00.0% | Unchanged |
| American International Group, Inc. | 28,616 | $410.0K | 0.00% | −995−3.4% | Reduced |
| SG Americas Securities, LLC | 29,370 | $421.0K | 0.00% | +29,370 | New |
| Wolverine Trading, LLC | 29,910 | $429.0K | 0.01% | +29,910 | New |
| Susquehanna Fundamental Investments, LLC | 33,080 | $474.0K | 0.01% | +381+1.2% | Added |
| New York State Common Retirement Fund | 33,465 | $479.0K | 0.00% | −6,712−16.7% | Reduced |
| State of Alaska, Department of Revenue | 33,712 | $482.0K | 0.00% | +1,745+5.5% | Added |
| Texas Permanent School Fund | 34,188 | $490.0K | 0.01% | −239−0.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,042 | $502.0K | 0.01% | −410−1.2% | Reduced |
| Thrivent Financial for Lutherans | 37,358 | $535.0K | 0.00% | −408−1.1% | Reduced |
| Tudor Investment Corp Et Al | 37,948 | $543.0K | 0.01% | −18,792−33.1% | Reduced |
| D. E. Shaw & Co., Inc. | 38,990 | $558.0K | 0.00% | −30,008−43.5% | Reduced |
| Great West Life Assurance Co | 39,955 | $577.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 42,474 | $608.0K | 0.00% | +233+0.6% | Added |
| UBS Asset Management Americas Inc | 47,069 | $674.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 48,921 | $700.5K | 0.00% | +27,026+123.4% | Added |
| Prudential Financial Inc | 49,084 | $703.0K | 0.00% | +857+1.8% | Added |
| Comerica Bank | 41,926 | $711.0K | 0.00% | −1,327−3.1% | Reduced |
| Renaissance Technologies LLC | 52,800 | $756.0K | 0.00% | +52,800 | New |
| Royce & Associates LP | 53,000 | $759.0K | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 55,190 | $790.0K | 0.01% | +2,190+4.1% | Added |
| Susquehanna International Group, LLP | 57,172 | $819.0K | 0.00% | +40,902+251.4% | Added |
| LPL Financial LLC | 57,404 | $822.0K | 0.00% | +57,404 | New |
| Ensign Peak Advisors, Inc | 57,500 | $823.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 62,124 | $890.0K | 0.00% | −460−0.7% | Reduced |
| Caption Management, LLC | 67,700 | $969.0K | 0.06% | +67,700 | New |
| Parametric Portfolio Associates LLC | 68,140 | $976.0K | 0.00% | −14,870−17.9% | Reduced |
| Salzhauer Michael | 70,000 | $1.00M | 0.45% | +70,000 | New |
| Arctis Global LLC | 71,563 | $1.02M | 0.32% | −1,700,000−96.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 72,000 | $1.03M | 0.01% | +72,000 | New |
| Gsa Capital Partners LLP | 82,584 | $1.18M | 0.12% | +24,395+41.9% | Added |
| Centiva Capital, LP | 89,516 | $1.28M | 0.10% | +89,516 | New |
| Alpine Global Management, LLC | 92,916 | $1.33M | 0.30% | +72,839+362.8% | Added |
| Swiss National Bank | 101,000 | $1.45M | 0.00% | 00.0% | Unchanged |
| Bluefin Capital Management, LLC | 102,070 | $1.46M | 0.17% | +17,339+20.5% | Added |
| Interval Partners, LP | 103,884 | $1.49M | 0.09% | +103,884 | New |
| Canada Pension Plan Investment Board | 105,000 | $1.50M | 0.00% | +105,000 | New |
| Legal & General Group Plc | 106,837 | $1.53M | 0.00% | +9,047+9.3% | Added |
| Quinn Opportunity Partners LLC | 128,701 | $1.84M | 0.12% | 00.0% | Unchanged |
| Rhumbline Advisers | 129,390 | $1.85M | 0.00% | −17,198−11.7% | Reduced |
| Wells Fargo & Company | 134,441 | $1.93M | 0.00% | +516+0.4% | Added |
| Citadel Advisors LLC | 134,874 | $1.93M | 0.00% | +30,008+28.6% | Added |