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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 2022

Institutional positions in Octave Specialty Group Inc as of Jun 30, 2022. 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
141
−5 vs. Q1 2022
Shares held
34.1M
−3.57M (−9.5%) vs. Q1 2022
Total value
$386.6M
−$4.86M (−1.2%) vs. Q1 2022
New holders
15
51 more added
Sold out
20
52 more reduced

4 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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.

Institutional holdersQ2 2022: 141 institutions
Q1 2021: 140 institutionsQ2 2021: 126 institutionsQ3 2021: 133 institutionsQ4 2021: 135 institutionsQ1 2022: 150 institutionsQ2 2022: 141 institutionsQ3 2022: 154 institutionsQ4 2022: 167 institutionsQ1 2023: 160 institutionsQ2 2023: 160 institutionsQ3 2023: 167 institutionsQ4 2023: 174 institutionsQ1 2024: 172 institutionsQ2 2024: 182 institutionsQ3 2024: 180 institutionsQ4 2024: 181 institutionsQ1 2025: 176 institutionsQ2 2025: 147 institutionsQ3 2025: 130 institutionsQ4 2025: 144 institutionsQ1 2026: 148 institutionsQ2 2026: 147 institutions
Value heldQ2 2022: $386.6M
Q1 2021: $611.7MQ2 2021: $565.0MQ3 2021: $516.2MQ4 2021: $598.9MQ1 2022: $392.1MQ2 2022: $386.6MQ3 2022: $400.7MQ4 2022: $600.4MQ1 2023: $596.2MQ2 2023: $529.6MQ3 2023: $438.7MQ4 2023: $628.4MQ1 2024: $591.5MQ2 2024: $495.9MQ3 2024: $449.6MQ4 2024: $522.4MQ1 2025: $327.5MQ2 2025: $262.5MQ3 2025: $303.6MQ4 2025: $270.0MQ1 2026: $151.4MQ2 2026: $187.6M
Institutions holding OSG and their total value by quarter
QuarterHoldersValue
Q2 2026147$187.6M
Q1 2026148$151.4M
Q4 2025144$270.0M
Q3 2025130$303.6M
Q2 2025147$262.5M
Q1 2025176$327.5M
Q4 2024181$522.4M
Q3 2024180$449.6M
Q2 2024182$495.9M
Q1 2024172$591.5M
Q4 2023174$628.4M
Q3 2023167$438.7M
Q2 2023160$529.6M
Q1 2023160$596.2M
Q4 2022167$600.4M
Q3 2022154$400.7M
Q2 2022141$386.6M
Q1 2022150$392.1M
Q4 2021135$598.9M
Q3 2021133$516.2M
Q2 2021126$565.0M
Q1 2021140$611.7M

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q1 2022.

Institutions holding OSG in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.6,680,033$75.8M0.00%+321,702+5.1%Added
Vanguard Group Inc4,510,981$51.2M0.00%−648,176−12.6%Reduced
FMR LLC2,060,260$23.4M0.00%−1800.0%Reduced
State Street Corp1,641,117$18.6M0.00%+21,426+1.3%Added
Dimensional Fund Advisors LP1,561,957$17.7M0.01%−4,302−0.3%Reduced
CQS (US), LLC1,407,245$16.0M1.72%−642,755−31.4%Reduced
Goldman Sachs Group Inc1,367,300$15.5M0.00%−14,584−1.1%Reduced
Repertoire Partners LP1,196,066$13.6M10.53%+189,064+18.8%Added
Boussard & Gavaudan Investment Management LLP1,112,712$12.2M2.22%00.0%Unchanged
Geode Capital Management, LLC801,239$9.09M0.00%+58,328+7.9%Added
Bracebridge Capital, LLC799,234$9.07M2.96%00.0%Unchanged
Hotchkis & Wiley Capital Management LLC762,731$8.66M0.03%+143,990+23.3%Added
Charles Schwab Investment Management Inc693,256$7.87M0.00%+44,480+6.9%Added
Barclays PLC645,193$7.32M0.01%−52,840−7.6%Reduced
Deutsche Bank AG624,416$7.09M0.00%+376,632+152.0%Added
Northern Trust Corp503,438$5.71M0.00%−12,221−2.4%Reduced
Morgan Stanley432,348$4.91M0.00%−696,485−61.7%Reduced
Bank of New York Mellon Corp400,530$4.55M0.00%−38,195−8.7%Reduced
Gator Capital Management, LLC337,486$3.83M3.21%+22,200+7.0%Added
Ameriprise Financial Inc291,679$3.31M0.00%+28,120+10.7%Added
Principal Financial Group Inc277,809$3.15M0.00%−27,629−9.0%Reduced
Two Seas Capital LP268,457$3.05M3.97%+35,000+15.0%Added
Invesco Ltd.265,437$3.01M0.00%+38,578+17.0%Added
Harbor Advisors LLC251,382$2.85M0.69%00.0%Unchanged
Bank of Montreal232,942$2.74M0.00%+120,226+106.7%Added
HSBC Holdings PLC242,649$2.66M0.00%+49,275+25.5%Added
Citadel Advisors LLC222,900$2.53M0.00%+36,233+19.4%Added
Wells Fargo & Company176,564$2.00M0.00%+40,691+29.9%Added
Nuveen Asset Management, LLC169,536$1.92M0.00%−81,239−32.4%Reduced
Susquehanna International Group, LLP168,319$1.91M0.00%+42,354+33.6%Added
Wolverine Trading, LLC169,360$1.88M0.06%+157,668+1,348.5%Added
Interval Partners, LP153,542$1.74M0.12%+23,104+17.7%Added
Brookfield Asset Management Inc.150,000$1.70M0.01%00.0%Unchanged
Quinn Opportunity Partners LLC143,093$1.62M0.15%−46,907−24.7%Reduced
Rhumbline Advisers134,387$1.52M0.00%+3,074+2.3%Added
D. E. Shaw & Co., Inc.133,342$1.51M0.00%−172,893−56.5%Reduced
Verition Fund Management LLC125,108$1.42M0.03%−12,892−9.3%Reduced
Swiss National Bank109,500$1.24M0.00%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund107,000$1.21M0.01%−1,229,800−92.0%Reduced
Legal & General Group Plc106,637$1.21M0.00%−2,930−2.7%Reduced
Bank of America Corp105,602$1.20M0.00%−28,181−21.1%Reduced
Catalyst Capital Advisors LLC97,190$1.10M0.05%+97,190New
Algert Global LLC95,519$1.08M0.08%+95,519New
State of Wisconsin Investment Board90,275$1.02M0.00%+35,675+65.3%Added
Jane Street Group, LLC88,863$1.01M0.00%−18,514−17.2%Reduced
Graham Capital Management, L.P.85,305$968.0K0.04%+85,305New
Public Sector Pension Investment Board83,376$946.0K0.01%−64,295−43.5%Reduced
LPL Financial LLC78,533$891.0K0.00%+1,000+1.3%Added
APG Asset Management N.V.81,700$887.0K0.00%+81,700New
Salzhauer Michael131,061$833.0K0.52%+35,300+36.9%Added
Clear Harbor Asset Management, LLC68,400$776.0K0.10%+49,400+260.0%Added
Simplex Trading, LLC67,329$764.0K0.03%+60,844+938.2%Added
Credit Suisse AG59,331$674.0K0.00%−2,608−4.2%Reduced
California State Teachers Retirement System59,055$670.0K0.00%−54−0.1%Reduced
PDT Partners, LLC58,380$663.0K0.06%00.0%Unchanged
Caxton Associates LP58,060$659.0K0.08%+58,060New
UBS Asset Management Americas Inc56,423$640.4K0.00%+9,354+19.9%Added
Exchange Traded Concepts, LLC54,126$614.0K0.02%+1,898+3.6%Added
Prudential Financial Inc45,522$517.0K0.00%−2,250−4.7%Reduced
Thrivent Financial for Lutherans44,250$502.0K0.00%+6,555+17.4%Added
Great West Life Assurance Co44,157$501.0K0.00%+4,202+10.5%Added
Price T Rowe Associates Inc43,060$489.0K0.00%−2,345−5.2%Reduced
Comerica Bank38,727$478.0K0.00%−11,260−22.5%Reduced
Bluefin Capital Management, LLC42,880$476.0K0.07%+6,875+19.1%Added
Tudor Investment Corp Et Al41,769$474.0K0.01%−75,837−64.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys41,058$466.0K0.00%+1,139+2.9%Added
Redwood Investment Management, LLC40,000$454.0K0.08%00.0%Unchanged
Ensign Peak Advisors, Inc39,900$453.0K0.00%00.0%Unchanged
Yousif Capital Management, LLC37,787$429.0K0.01%−14,880−28.3%Reduced
Dynamic Technology Lab Private Ltd34,527$391.0K0.04%−37,375−52.0%Reduced
State of Alaska, Department of Revenue34,067$386.0K0.00%+1,860+5.8%Added
JPMorgan Chase & Co33,444$379.0K0.00%−350,442−91.3%Reduced
Texas Permanent School Fund32,487$369.0K0.01%−340−1.0%Reduced
Alliancebernstein L.P.30,659$348.0K0.00%+5,580+22.2%Added
New York State Common Retirement Fund29,011$329.0K0.00%−4,089−12.4%Reduced
Gsa Capital Partners LLP26,498$301.0K0.05%+11,974+82.4%Added
Ergoteles LLC25,241$286.0K0.01%−63,010−71.4%Reduced
American International Group, Inc.24,772$281.0K0.00%−1,358−5.2%Reduced
Raymond James Financial Services Advisors, Inc.24,744$281.0K0.00%−1,121−4.3%Reduced
MetLife Investment Management24,566$278.8K0.00%00.0%Unchanged
SEI Investments Co23,950$272.0K0.00%−7,800−24.6%Reduced
Louisiana State Employees Retirement System21,800$269.0K0.01%−700−3.1%Reduced
Mraz, Amerine & Associates, Inc.23,030$261.0K0.07%+1,100+5.0%Added
Engineers Gate Manager LP21,093$239.0K0.01%−154,915−88.0%Reduced
State Board of Administration of Florida Retirement System20,950$238.0K0.00%+100.0%Added
Amalgamated Bank20,314$231.0K0.00%−207−1.0%Reduced
American Century Companies Inc20,262$230.0K0.00%+754+3.9%Added
Citigroup Inc20,126$228.0K0.00%−20,100−50.0%Reduced
Maryland State Retirement & Pension System18,569$211.0K0.01%00.0%Unchanged
Manufacturers Life Insurance Company, The18,300$207.7K0.00%−836−4.4%Reduced
Voya Investment Management LLC17,976$204.0K0.00%−802−4.3%Reduced
State of Tennessee, Treasury Department17,407$198.0K0.00%00.0%Unchanged
Millennium Management LLC16,143$183.0K0.00%−97,312−85.8%Reduced
Man Group plc–$177.0K0.00%––
Oregon Public Employees Retirement Fund15,182$172.0K0.00%−2,400−13.7%Reduced
Two Sigma Advisers, LP14,600$166.0K0.00%−22,800−61.0%Reduced
New York State Teachers Retirement System14,430$164.0K0.00%00.0%Unchanged
Hightower 6M Holding, LLC14,335$163.0K0.01%+153+1.1%Added
BNP Paribas Arbitrage, SA13,694$155.4K0.00%−4,024−22.7%Reduced
Mirae Asset Global Investments Co., Ltd.13,055$148.0K0.00%+13,055New