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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 2024

Institutional positions in Octave Specialty Group Inc as of Jun 30, 2024. 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
182
+11 vs. Q1 2024
Shares held
38.7M
+936.2K (+2.5%) vs. Q1 2024
Total value
$495.9M
−$93.9M (−15.9%) vs. Q1 2024
New holders
31
64 more added
Sold out
20
60 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 182 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 2024: $495.9M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q1 2024.

Institutions holding OSG in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Cresset Asset Management, LLC23,337$299.2K0.00%+814+3.6%Added
SEI Investments Co22,852$293.0K0.00%−6,862−23.1%Reduced
Louisiana State Employees Retirement System22,800$292.3K0.01%+400+1.8%Added
Mirae Asset Global ETFs Holdings Ltd.22,778$292.0K0.00%+22,778New
BNP Paribas Arbitrage, SA22,411$287.3K0.00%−959−4.1%Reduced
Schonfeld Strategic Advisors LLC21,102$270.5K0.00%+21,102New
Royal Bank of Canada20,964$268.0K0.00%+15,743+301.5%Added
Janus Henderson Group PLC19,792$253.1K0.00%−228−1.1%Reduced
Teacher Retirement System of Texas18,998$244.0K0.00%+18,998New
Yousif Capital Management, LLC18,240$233.8K0.00%−2,267−11.1%Reduced
Fox Run Management, L.L.C.18,017$231.0K0.04%+18,017New
New York State Common Retirement Fund17,973$230.4K0.00%−7,716−30.0%Reduced
Quadrature Capital Ltd17,518$224.2K0.00%+17,518New
Manufacturers Life Insurance Company, The17,300$221.8K0.00%+439+2.6%Added
Versor Investments LP17,026$218.3K0.04%+17,026New
Comerica Bank16,884$216.5K0.00%−1,884−10.0%Reduced
GTS Securities LLC16,745$214.7K0.00%−47,272−73.8%Reduced
Mraz, Amerine & Associates, Inc.16,600$212.8K0.04%−4,500−21.3%Reduced
Intech Investment Management LLC16,064$205.9K0.00%+16,064New
Maryland State Retirement & Pension System15,768$202.1K0.00%−919−5.5%Reduced
State of Wyoming15,551$199.4K0.03%+4,241+37.5%Added
Bank of Montreal14,839$190.2K0.00%+14,839New
Trexquant Investment LP14,075$180.4K0.00%−13,999−49.9%Reduced
Dark Forest Capital Management LP14,007$179.6K0.03%−24,076−63.2%Reduced
KLCM Advisors, Inc.14,000$179.5K0.02%00.0%Unchanged
Centiva Capital, LP13,890$178.1K0.01%−6,110−30.6%Reduced
Pathstone Holdings, LLC13,497$173.0K0.00%+98+0.7%Added
Amalgamated Bank13,329$171.0K0.00%−1,377−9.4%Reduced
Dynamic Technology Lab Private Ltd13,276$170.0K0.02%+13,276New
Arizona State Retirement System12,661$162.3K0.00%+240+1.9%Added
State Board of Administration of Florida Retirement System12,630$161.9K0.00%−3,410−21.3%Reduced
Counterpoint Mutual Funds LLC12,601$161.5K0.04%+12,601New
Teachers Retirement System of the State of Kentucky12,301$158.0K0.00%00.0%Unchanged
Everence Capital Management Inc10,910$158.0K0.01%00.0%Unchanged
State of Tennessee, Treasury Department12,291$157.6K0.00%−10,232−45.4%Reduced
Oregon Public Employees Retirement Fund10,998$141.0K0.00%−1,100−9.1%Reduced
UBS Group AG10,979$140.8K0.00%−23,632−68.3%Reduced
Interval Partners, LP10,161$130.3K0.00%−9,131−47.3%Reduced
Cornerstone Investment Partners, LLC10,002$128.2K0.01%−805−7.4%Reduced
Long Focus Capital Management, LLC10,000$128.2K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)9,826$126.0K0.00%+1,637+20.0%Added
Tower Research Capital LLC (TRC)9,095$116.6K0.00%+5,923+186.7%Added
Caption Management, LLC8,428$108.0K0.01%+728+9.5%Added
Amundi6,293$78.0K0.00%−1,728−21.5%Reduced
nVerses Capital, LLC5,000$64.1K0.04%+4,200+525.0%Added
Ameritas Investment Partners, Inc.4,583$58.8K0.00%00.0%Unchanged
Federated Hermes, Inc.3,317$42.5K0.00%−5,061−60.4%Reduced
The PNC Financial Services Group, Inc.2,704$34.7K0.00%+110+4.2%Added
Quarry LP2,364$30.3K0.01%+2,110+830.7%Added
Innealta Capital, LLC1,716$22.0K0.01%+1,716New
Quadrant Capital Group LLC1,540$19.7K0.00%+1,347+697.9%Added
Public Employees Retirement System of Ohio1,138$14.6K0.00%−28−2.4%Reduced
GAMMA Investing LLC797$10.2K0.00%+458+135.1%Added
US Bancorp647$8.29K0.00%+23+3.7%Added
Lindbrook Capital, LLC549$7.04K0.00%00.0%Unchanged
Wiser Advisor Group LLC500$6.41K0.01%00.0%Unchanged
Fifth Third Bancorp455$5.83K0.00%+26+6.1%Added
Huntington National Bank401$5.14K0.00%+20+5.2%Added
Catalyst Funds Management Pty Ltd400$5.13K0.00%+100+33.3%Added
Fortitude Family Office, LLC329$4.22K0.00%00.0%Unchanged
Bessemer Group Inc290$4.00K0.00%00.0%Unchanged
Capital Analysts, LLC325$4.00K0.00%00.0%Unchanged
Assetmark, Inc219$2.81K0.00%−94,342−99.8%Reduced
Pinnacle Holdings, LLC197$2.53K0.00%00.0%Unchanged
Smartleaf Asset Management LLC188$2.40K0.00%+188New
Red Tortoise LLC180$2.31K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.177$2.27K0.00%00.0%Unchanged
CWM, LLC127$2.00K0.00%+127New
Barrow Hanley Mewhinney & Strauss LLC150$1.92K0.00%00.0%Unchanged
Parallel Advisors, LLC84$1.08K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC55$1.00K0.00%00.0%Unchanged
Farther Finance Advisors, LLC75$9380.00%+74+7,400.0%Added
Rothschild Investment LLC62$7950.00%+30+93.8%Added
Massmutual Trust Co FSB58$7440.00%00.0%Unchanged
Umb Bank N A34$4360.00%+4+13.3%Added
Farmers & Merchants Investments Inc31$3970.00%00.0%Unchanged
Principal Securities, Inc.26$3330.00%+26New
Allworth Financial LP24$3010.00%00.0%Unchanged
Versant Capital Management, Inc19$2440.00%00.0%Unchanged
Parkside Financial Bank & Trust10$1290.00%−3−23.1%Reduced
GWM Advisors LLC5$640.00%+5New
Advisor Group Holdings, Inc.4$510.00%−2,302−99.8%Reduced
Jupiter Asset Management Ltd0$00.00%−176,515−100.0%Sold out
Winton Group Ltd0$00.00%−105,272−100.0%Sold out
Guggenheim Capital LLC0$00.00%−86,234−100.0%Sold out
Group One Trading, L.P.0$00.00%−77,089−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−64,576−100.0%Sold out
Texas Permanent School Fund0$00.00%−39,554−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−37,388−100.0%Sold out
Wolverine Trading, LLC0$00.00%−26,301−100.0%Sold out
American International Group, Inc.0$00.00%−23,913−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−18,835−100.0%Sold out
Natixis Advisors, L.P.0$00.00%−16,696−100.0%Sold out
Walleye Capital LLC0$00.00%−16,071−100.0%Sold out
Axq Capital, LP0$00.00%−12,374−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−11,431−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−10,542−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−2,437−100.0%Sold out
Lazard Asset Management LLC0$00.00%−1,434−100.0%Sold out
Covestor Ltd0$00.00%−778−100.0%Sold out