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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, Q3 2024

Institutional positions in Octave Specialty Group Inc as of Sep 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
180
−1 vs. Q2 2024
Shares held
40.3M
+9.05M (+29.0%) vs. Q2 2024
Total value
$449.6M
+$49.4M (+12.3%) vs. Q2 2024
New holders
28
72 more added
Sold out
29
55 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 180 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 heldQ3 2024: $449.6M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q2 2024.

Institutions holding OSG in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
GWM Advisors LLC5$560.00%00.0%Unchanged
Umb Bank N A15$1680.00%−19−55.9%Reduced
Allworth Financial LP19$2130.00%−5−20.8%Reduced
Versant Capital Management, Inc19$2130.00%00.0%Unchanged
Legacy Investment Solutions, LLC25$3230.00%+25New
Legacy Wealth Managment, LLC25$3230.00%+25New
Farmers & Merchants Investments Inc31$3480.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC41$4600.00%−109−72.7%Reduced
Massmutual Trust Co FSB58$6500.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC65$7280.00%+65New
Parallel Advisors, LLC84$9420.00%00.0%Unchanged
Farther Finance Advisors, LLC89$9980.00%+14+18.7%Added
CWM, LLC105$1.00K0.00%−22−17.3%Reduced
Capital Advisors, Ltd. LLC55$1.00K0.00%00.0%Unchanged
Covestor Ltd94$1.00K0.00%+94New
Rothschild Investment LLC92$1.03K0.00%+30+48.4%Added
Quadrant Capital Group LLC101$1.13K0.00%−1,439−93.4%Reduced
Assetmark, Inc171$1.92K0.00%−48−21.9%Reduced
DiNuzzo Private Wealth, Inc.177$1.99K0.00%00.0%Unchanged
Red Tortoise LLC180$2.02K0.00%00.0%Unchanged
Pinnacle Holdings, LLC186$2.08K0.00%−11−5.6%Reduced
Smartleaf Asset Management LLC296$3.32K0.00%+108+57.4%Added
Capital Analysts, LLC325$4.00K0.00%00.0%Unchanged
Venturi Wealth Management, LLC375$4.20K0.00%+375New
Huntington National Bank381$4.27K0.00%−20−5.0%Reduced
Fifth Third Bancorp429$4.81K0.00%−26−5.7%Reduced
Bessemer Group Inc442$5.00K0.00%+152+52.4%Added
Wiser Advisor Group LLC500$5.61K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.556$6.23K0.00%+552+13,800.0%Added
GAMMA Investing LLC590$6.61K0.00%−207−26.0%Reduced
Lindbrook Capital, LLC590$6.61K0.00%+41+7.5%Added
US Bancorp756$8.47K0.00%+109+16.8%Added
Harbor Capital Advisors, Inc.831$9.00K0.00%+831New
Nisa Investment Advisors, LLC1,005$11.3K0.00%−76,969−98.7%Reduced
Quarry LP1,246$14.0K0.00%−1,118−47.3%Reduced
Point72 Hong Kong Ltd1,370$15.4K0.00%+1,370New
Point72 Asia (Singapore) Pte. Ltd.1,426$16.0K0.00%+1,426New
The PNC Financial Services Group, Inc.1,631$18.3K0.00%−1,073−39.7%Reduced
Federated Hermes, Inc.2,503$28.1K0.00%−814−24.5%Reduced
Catalyst Funds Management Pty Ltd3,000$33.6K0.01%+2,600+650.0%Added
Point72 (DIFC) Ltd4,091$45.9K0.00%+4,091New
Ameritas Investment Partners, Inc.4,583$51.4K0.00%00.0%Unchanged
Sterling Capital Management LLC5,534$62.0K0.00%+5,534New
Amundi7,465$81.9K0.00%+1,172+18.6%Added
Tower Research Capital LLC (TRC)9,596$107.6K0.00%+501+5.5%Added
nVerses Capital, LLC9,600$107.6K0.05%+4,600+92.0%Added
Group One Trading, L.P.9,764$109.5K0.00%+9,764New
Zurcher Kantonalbank (Zurich Cantonalbank)9,826$110.1K0.00%00.0%Unchanged
Long Focus Capital Management, LLC10,000$112.1K0.01%00.0%Unchanged
New York State Common Retirement Fund10,073$112.9K0.00%−7,900−44.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,140$113.7K0.00%+10,140New
Interval Partners, LP10,238$114.8K0.00%+77+0.8%Added
Cornerstone Investment Partners, LLC10,315$115.6K0.01%+313+3.1%Added
Bank of Montreal10,339$116.1K0.00%−4,500−30.3%Reduced
Oregon Public Employees Retirement Fund11,198$125.5K0.00%+200+1.8%Added
State of Tennessee, Treasury Department11,581$129.8K0.00%−710−5.8%Reduced
Teachers Retirement System of the State of Kentucky12,301$138.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System12,630$141.6K0.00%00.0%Unchanged
Arizona State Retirement System13,023$146.0K0.00%+362+2.9%Added
Amalgamated Bank13,258$149.0K0.00%−71−0.5%Reduced
Creative Planning13,905$155.9K0.00%+13,905New
KLCM Advisors, Inc.14,000$156.9K0.02%00.0%Unchanged
AQR Capital Management LLC15,252$171.0K0.00%−8,250−35.1%Reduced
XTX Topco Ltd15,380$172.4K0.01%+15,380New
Mraz, Amerine & Associates, Inc.15,600$174.9K0.03%−1,000−6.0%Reduced
SG Americas Securities, LLC16,467$185.0K0.00%+16,467New
Manufacturers Life Insurance Company, The16,814$188.5K0.00%−486−2.8%Reduced
Comerica Bank16,832$188.7K0.00%−52−0.3%Reduced
GTS Securities LLC17,092$191.6K0.00%+347+2.1%Added
Graham Capital Management, L.P.17,361$194.6K0.01%+17,361New
Engineers Gate Manager LP17,428$195.4K0.00%+17,428New
Wexford Capital LP18,000$201.8K0.05%+18,000New
Walleye Capital LLC18,098$202.9K0.00%+18,098New
Yousif Capital Management, LLC18,240$204.5K0.00%00.0%Unchanged
Teacher Retirement System of Texas18,919$212.0K0.00%−79−0.4%Reduced
UBS Group AG19,195$215.2K0.00%+8,216+74.8%Added
Janus Henderson Group PLC19,792$222.2K0.00%00.0%Unchanged
Louisiana State Employees Retirement System22,900$256.7K0.00%+100+0.4%Added
Intech Investment Management LLC23,708$265.8K0.00%+7,644+47.6%Added
Mirae Asset Global ETFs Holdings Ltd.23,849$267.3K0.00%+1,071+4.7%Added
Walleye Trading LLC24,051$269.6K0.01%−18,426−43.4%Reduced
Dynamic Technology Lab Private Ltd24,044$270.0K0.03%+10,768+81.1%Added
Ensign Peak Advisors, Inc24,133$270.5K0.00%00.0%Unchanged
Magnetar Financial LLC24,403$273.6K0.01%+24,403New
MetLife Investment Management24,569$275.4K0.00%00.0%Unchanged
Cresset Asset Management, LLC24,669$276.5K0.00%+1,332+5.7%Added
State of Wyoming24,839$278.4K0.04%+9,288+59.7%Added
Corebridge Financial, Inc.25,066$281.0K0.00%−181−0.7%Reduced
Alliancebernstein L.P.26,040$291.9K0.00%−13,580−34.3%Reduced
Illinois Municipal Retirement Fund26,202$293.7K0.00%−7,659−22.6%Reduced
Franklin Resources Inc25,849$299.8K0.00%−27,230−51.3%Reduced
Royal Bank of Canada26,834$301.0K0.00%+5,870+28.0%Added
State of Alaska, Department of Revenue27,072$303.0K0.00%+519+2.0%Added
Algert Global LLC27,653$310.0K0.01%00.0%Unchanged
SEI Investments Co28,047$314.4K0.00%+5,195+22.7%Added
CI Private Wealth, LLC28,214$316.3K0.00%+4,583+19.4%Added
IMC-Chicago, LLC31,424$352.3K0.01%−26,534−45.8%Reduced
BNP Paribas Arbitrage, SA31,484$352.9K0.00%+9,073+40.5%Added
Y-Intercept (Hong Kong) Ltd31,634$354.6K0.02%−35,553−52.9%Reduced
Paloma Partners Management Co33,068$370.7K0.02%+33,068New