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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 2023

Institutional positions in Octave Specialty Group Inc as of Sep 30, 2023. 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
167
+8 vs. Q2 2023
Shares held
36.3M
−834.4K (−2.2%) vs. Q2 2023
Total value
$438.7M
−$89.1M (−16.9%) vs. Q2 2023
New holders
23
56 more added
Sold out
15
53 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 167 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 2023: $438.7M
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 2023

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q2 2023.

Institutions holding OSG in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
IFP Advisors, Inc19$2290.00%00.0%Unchanged
Farmers & Merchants Investments Inc31$3740.00%00.0%Unchanged
Lee Financial Co36$4350.00%00.0%Unchanged
Massmutual Trust Co FSB58$6990.00%00.0%Unchanged
CWM, LLC60$1.00K0.00%−9−13.0%Reduced
Capital Advisors, Ltd. LLC55$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc83$1.00K0.00%−191−69.7%Reduced
Parallel Advisors, LLC106$1.28K0.00%00.0%Unchanged
Signaturefd, LLC144$1.74K0.00%−108−42.9%Reduced
Barrow Hanley Mewhinney & Strauss LLC150$1.81K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC177$2.13K0.00%00.0%Unchanged
Red Tortoise LLC180$2.17K0.00%00.0%Unchanged
Parkside Financial Bank & Trust215$2.59K0.00%00.0%Unchanged
Quadrant Capital Group LLC278$3.35K0.00%+143+105.9%Added
Capital Analysts, LLC325$4.00K0.00%00.0%Unchanged
Bessemer Group Inc293$4.00K0.00%+293New
Fifth Third Bancorp429$5.17K0.00%00.0%Unchanged
US Bancorp537$6.48K0.00%+190+54.8%Added
Lindbrook Capital, LLC549$6.62K0.00%−68−11.0%Reduced
Covestor Ltd666$8.00K0.01%+18+2.8%Added
Quarry LP881$10.6K0.01%+881New
Public Employees Retirement System of Ohio1,219$15.0K0.00%−31−2.5%Reduced
Dorsey Wright & Associates1,610$19.4K0.01%−56−3.4%Reduced
Lazard Asset Management LLC1,691$20.0K0.00%00.0%Unchanged
KBC Group NV2,214$27.0K0.00%−1,758−44.3%Reduced
Metropolitan Life Insurance Co2,437$29.4K0.00%00.0%Unchanged
Gladius Capital Management LP2,528$30.5K0.01%+1,052+71.3%Added
Quantbot Technologies LP2,739$33.0K0.00%−4,534−62.3%Reduced
Nisa Investment Advisors, LLC2,814$33.9K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.2,847$34.3K0.00%−254−8.2%Reduced
Ameritas Investment Partners, Inc.3,798$45.8K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.5,062$61.0K0.00%+3,409+206.2%Added
Amundi5,973$68.5K0.00%00.0%Unchanged
Clearstead Advisors, LLC6,000$72.4K0.00%+6,000New
Federated Hermes, Inc.6,171$74.4K0.00%+1,309+26.9%Added
Royal Bank of Canada7,622$92.0K0.00%+2,744+56.3%Added
Caption Management, LLC7,900$95.3K0.01%−100−1.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)8,189$98.8K0.00%00.0%Unchanged
Long Focus Capital Management, LLC10,000$120.6K0.02%00.0%Unchanged
Sherbrooke Park Advisers LLC10,100$121.8K0.04%+10,100New
Counterpoint Mutual Funds LLC10,374$125.1K0.10%+1,440+16.1%Added
Occudo Quantitative Strategies LP10,469$126.3K0.02%+10,469New
Everence Capital Management Inc10,910$132.0K0.01%00.0%Unchanged
State of Wyoming11,556$139.4K0.03%−424−3.5%Reduced
XTX Topco Ltd11,655$140.6K0.02%+11,655New
Teachers Retirement System of the State of Kentucky12,301$148.0K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd12,495$150.0K0.01%+12,495New
State Board of Administration of Florida Retirement System12,630$152.3K0.00%+60+0.5%Added
GTS Securities LLC12,868$155.2K0.00%+12,868New
Arizona State Retirement System12,904$155.6K0.00%+184+1.4%Added
Oregon Public Employees Retirement Fund13,498$162.8K0.00%−600−4.3%Reduced
Simplex Trading, LLC13,592$163.0K0.01%−70,393−83.8%Reduced
KLCM Advisors, Inc.14,000$168.8K0.03%00.0%Unchanged
SG Americas Securities, LLC15,060$182.0K0.00%+15,060New
Nebula Research & Development LLC15,202$183.3K0.10%+15,202New
UBS Group AG15,382$185.5K0.00%−22,542−59.4%Reduced
Allspring Global Investments Holdings, LLC15,545$187.5K0.00%−1,513−8.9%Reduced
Manufacturers Life Insurance Company, The16,185$195.2K0.00%00.0%Unchanged
SEI Investments Co16,396$197.7K0.00%+16,396New
Maryland State Retirement & Pension System16,687$201.2K0.00%−970−5.5%Reduced
Tower Research Capital LLC (TRC)17,364$209.4K0.01%+16,538+2,002.2%Added
Amalgamated Bank18,171$219.0K0.00%00.0%Unchanged
New York State Common Retirement Fund18,357$221.4K0.00%00.0%Unchanged
Envestnet Asset Management Inc18,597$224.3K0.00%−4,498−19.5%Reduced
Susquehanna International Group, LLP18,671$225.2K0.00%−248,558−93.0%Reduced
Citigroup Inc19,134$230.8K0.00%−20,798−52.1%Reduced
BNP Paribas Arbitrage, SA19,211$231.7K0.00%+2,631+15.9%Added
Mirae Asset Global Investments Co., Ltd.19,837$239.2K0.00%+1,002+5.3%Added
Janus Henderson Group PLC20,055$241.4K0.00%+20.0%Added
Vident Advisory, LLC20,252$244.2K0.01%+20,252New
Graham Capital Management, L.P.20,255$244.3K0.01%+20,255New
Comerica Bank20,748$250.2K0.00%+20,748New
Interval Partners, LP21,031$253.6K0.01%+101+0.5%Added
Yousif Capital Management, LLC22,524$271.6K0.00%−1,595−6.6%Reduced
HRT Financial LP22,589$272.0K0.00%+22,589New
Cresset Asset Management, LLC22,985$277.2K0.00%+617+2.8%Added
Louisiana State Employees Retirement System23,100$278.6K0.01%−700−2.9%Reduced
American International Group, Inc.24,337$293.5K0.00%+510+2.1%Added
MetLife Investment Management24,566$296.3K0.00%00.0%Unchanged
Wellington Management Group LLP24,839$299.6K0.00%00.0%Unchanged
Truist Financial Corp25,110$302.8K0.00%+1,401+5.9%Added
Ensign Peak Advisors, Inc25,350$305.7K0.00%00.0%Unchanged
Illinois Municipal Retirement Fund25,740$310.0K0.01%+25,740New
Mraz, Amerine & Associates, Inc.26,850$323.8K0.07%−180−0.7%Reduced
Y-Intercept (Hong Kong) Ltd27,350$329.8K0.03%+27,350New
HighTower Advisors, LLC27,427$331.0K0.00%+14,247+108.1%Added
State of Alaska, Department of Revenue28,207$340.0K0.00%−1,614−5.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys30,288$365.3K0.00%−20,943−40.9%Reduced
ExodusPoint Capital Management, LP30,902$373.0K0.00%+30,902New
Dark Forest Capital Management LP31,505$379.9K0.03%+31,505New
Deutsche Bank AG31,669$381.9K0.00%−478,974−93.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund33,600$405.2K0.00%−44,000−56.7%Reduced
Belvedere Trading LLC33,965$409.6K0.05%+28,702+545.4%Added
Price T Rowe Associates Inc35,695$431.0K0.00%+1,180+3.4%Added
Texas Permanent School Fund38,151$460.1K0.00%−1,442−3.6%Reduced
PDT Partners, LLC39,614$477.7K0.06%+39,614New
Alliancebernstein L.P.40,250$485.4K0.00%00.0%Unchanged
Thrivent Financial for Lutherans41,444$500.0K0.00%−1,912−4.4%Reduced
Great West Life Assurance Co42,938$517.0K0.00%+4,641+12.1%Added
Assetmark, Inc45,493$548.6K0.00%−40,378−47.0%Reduced