Skip to main content

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, Q4 2021

Institutional positions in Octave Specialty Group Inc as of Dec 31, 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
135
+2 vs. Q3 2021
Shares held
37.3M
+1.29M (+3.6%) vs. Q3 2021
Total value
$598.9M
+$82.7M (+16.0%) vs. Q3 2021
New holders
19
53 more added
Sold out
17
31 more reduced

Compare with Q3 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.

Institutional holdersQ4 2021: 135 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 heldQ4 2021: $598.9M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2021.

Institutions holding OSG in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Lee Financial Co36$1.00K0.00%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.35$1.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC47$1.00K0.00%00.0%Unchanged
Parallel Advisors, LLC34$1.00K0.00%+18+112.5%Added
US Bancorp38$1.00K0.00%+38New
Versant Capital Management, Inc155$2.00K0.00%00.0%Unchanged
Quadrant Capital Group LLC101$2.00K0.00%00.0%Unchanged
Repertoire Partners LP100$2.00K0.00%+100New
Captrust Financial Advisors308$5.00K0.00%−89−22.4%Reduced
Advisor Group Holdings, Inc.316$5.00K0.00%00.0%Unchanged
Signaturefd, LLC312$5.00K0.00%00.0%Unchanged
Macquarie Group Ltd514$8.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.643$10.0K0.00%−26−3.9%Reduced
Steward Partners Investment Advisory, LLC877$14.0K0.00%+700+395.5%Added
Eaton Vance Management869$14.0K0.00%+436+100.7%Added
Geneos Wealth Management Inc.1,429$22.0K0.00%00.0%Unchanged
Aquatic Capital Management LLC2,200$35.0K0.07%+2,200New
Wolverine Asset Management LLC2,708$43.0K0.00%+2,708New
Ameritas Investment Partners, Inc.3,798$61.0K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio5,533$89.0K0.00%+338+6.5%Added
Mutual of America Capital Management LLC6,326$102.0K0.00%+163+2.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)6,830$110.0K0.00%00.0%Unchanged
Royal Bank of Canada6,825$110.0K0.00%+704+11.5%Added
Long Focus Capital Management, LLC10,000$161.0K0.04%+10,000New
Bridgefront Capital, LLC10,458$168.0K0.16%+10,458New
UBS Group AG10,626$170.0K0.00%−319−2.9%Reduced
Teachers Retirement System of the State of Kentucky10,700$172.0K0.00%00.0%Unchanged
ProShare Advisors LLC11,392$183.0K0.00%+11,392New
Metropolitan Life Insurance Co11,709$187.9K0.00%+351+3.1%Added
Arizona State Retirement System12,439$200.0K0.00%−145−1.2%Reduced
Cornerstone Investment Partners, LLC12,485$200.0K0.01%00.0%Unchanged
Alpine Global Management, LLC12,916$207.0K0.03%−80,000−86.1%Reduced
New York State Teachers Retirement System14,430$232.0K0.00%00.0%Unchanged
Delphia (USA) Inc.14,575$234.0K0.25%+14,575New
State of Tennessee, Treasury Department14,769$237.0K0.00%00.0%Unchanged
MetLife Investment Management15,807$253.7K0.00%+4,950+45.6%Added
Tower Research Capital LLC (TRC)16,074$258.0K0.00%−4,988−23.7%Reduced
Voya Investment Management LLC17,991$289.0K0.00%−1,048−5.5%Reduced
Oregon Public Employees Retirement Fund17,982$289.0K0.00%−800−4.3%Reduced
Maryland State Retirement & Pension System18,200$292.0K0.01%00.0%Unchanged
Redwood Investment Management, LLC20,285$326.0K0.04%−1,033−4.8%Reduced
Mraz, Amerine & Associates, Inc.20,850$335.0K0.09%00.0%Unchanged
State Board of Administration of Florida Retirement System20,940$336.0K0.00%00.0%Unchanged
Amalgamated Bank21,753$349.0K0.00%+449+2.1%Added
Louisiana State Employees Retirement System22,400$360.0K0.01%+100+0.4%Added
Trexquant Investment LP24,332$391.0K0.02%+4,479+22.6%Added
Renaissance Technologies LLC24,400$392.0K0.00%−28,400−53.8%Reduced
Dynamic Technology Lab Private Ltd24,937$400.0K0.04%+14,106+130.2%Added
Alliancebernstein L.P.25,013$401.0K0.00%+133+0.5%Added
Raymond James Financial Services Advisors, Inc.26,965$433.0K0.00%00.0%Unchanged
SEI Investments Co27,150$436.0K0.00%00.0%Unchanged
American International Group, Inc.27,730$445.0K0.00%−886−3.1%Reduced
Boothbay Fund Management, LLC29,553$474.0K0.02%+2,053+7.5%Added
Cutler Group LP32,400$520.0K0.04%+30,300+1,442.9%Added
State of Alaska, Department of Revenue32,787$526.0K0.01%−925−2.7%Reduced
Gsa Capital Partners LLP33,121$532.0K0.07%−49,463−59.9%Reduced
New York State Common Retirement Fund33,465$537.0K0.00%00.0%Unchanged
Texas Permanent School Fund33,530$538.0K0.01%−658−1.9%Reduced
BNP Paribas Arbitrage, SA33,646$540.0K0.00%−15,275−31.2%Reduced
Two Sigma Advisers, LP34,700$557.0K0.00%+12,600+57.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys34,997$562.0K0.01%−45−0.1%Reduced
Jane Street Group, LLC35,026$562.0K0.00%+35,026New
Citigroup Inc35,266$566.0K0.00%−292,121−89.2%Reduced
Comerica Bank39,977$574.0K0.00%−1,949−4.6%Reduced
Corton Capital Inc.37,561$603.0K0.27%+37,561New
Thrivent Financial for Lutherans37,683$605.0K0.00%+325+0.9%Added
Cubist Systematic Strategies, LLC38,801$623.0K0.01%+38,801New
Nomura Holdings Inc39,603$636.0K0.00%+39,603New
Ensign Peak Advisors, Inc39,900$640.0K0.00%−17,600−30.6%Reduced
Great West Life Assurance Co39,955$641.0K0.00%00.0%Unchanged
Walleye Trading LLC41,410$665.0K0.01%+38,670+1,411.3%Added
Engineers Gate Manager LP42,265$678.0K0.03%+42,265New
Yousif Capital Management, LLC42,352$680.0K0.01%+42,352New
Squarepoint Ops LLC43,686$701.0K0.00%+43,686New
Price T Rowe Associates Inc44,474$714.0K0.00%+2,000+4.7%Added
UBS Asset Management Americas Inc47,069$755.5K0.00%00.0%Unchanged
Prudential Financial Inc48,372$776.0K0.00%−712−1.5%Reduced
Verition Fund Management LLC51,000$819.0K0.01%−4,190−7.6%Reduced
Royce & Associates LP53,000$851.0K0.01%00.0%Unchanged
Susquehanna Fundamental Investments, LLC53,392$857.0K0.02%+20,312+61.4%Added
ExodusPoint Capital Management, LP62,001$995.0K0.01%+62,001New
Bank of Montreal62,783$1.02M0.00%+48,365+335.4%Added
California State Teachers Retirement System63,568$1.02M0.00%+1,444+2.3%Added
Parametric Portfolio Associates LLC65,127$1.04M0.00%−3,013−4.4%Reduced
Susquehanna International Group, LLP67,411$1.08M0.00%+10,239+17.9%Added
LPL Financial LLC69,565$1.12M0.00%+12,161+21.2%Added
Salzhauer Michael80,684$1.29M0.49%+10,684+15.3%Added
Swiss National Bank101,000$1.62M0.00%00.0%Unchanged
Simplex Trading, LLC102,854$1.65M0.05%+101,894+10,614.0%Added
Bluefin Capital Management, LLC108,403$1.74M0.14%+6,333+6.2%Added
Legal & General Group Plc110,579$1.77M0.00%+3,742+3.5%Added
Tudor Investment Corp Et Al114,048$1.83M0.04%+76,100+200.5%Added
Quinn Opportunity Partners LLC116,000$1.86M0.11%−12,701−9.9%Reduced
Schonfeld Strategic Advisors LLC121,900$1.96M0.02%+49,900+69.3%Added
Interval Partners, LP126,090$2.02M0.14%+22,206+21.4%Added
Rhumbline Advisers131,771$2.12M0.00%+2,381+1.8%Added
Bank of America Corp140,781$2.26M0.00%+463+0.3%Added
Brookfield Asset Management Inc.150,000$2.41M0.01%00.0%Unchanged
Credit Suisse AG151,271$2.43M0.00%+8,472+5.9%Added
D. E. Shaw & Co., Inc.155,104$2.49M0.00%+116,114+297.8%Added