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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 2021

Institutional positions in Octave Specialty Group Inc as of Sep 30, 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
133
+8 vs. Q2 2021
Shares held
36.1M
−30.1K (−0.1%) vs. Q2 2021
Total value
$516.2M
−$48.6M (−8.6%) vs. Q2 2021
New holders
20
37 more added
Sold out
12
44 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 133 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 2021: $516.2M
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 2021

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q2 2021.

Institutions holding OSG in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cornerstone Investment Partners, LLC12,485$179.0K0.01%+12,485New
Metropolitan Life Insurance Co11,358$162.6K0.00%+1,689+17.5%Added
UBS Group AG10,945$157.0K0.00%−59,558−84.5%Reduced
MetLife Investment Management10,857$155.5K0.00%−6,078−35.9%Reduced
Dynamic Technology Lab Private Ltd10,831$155.0K0.02%−9,299−46.2%Reduced
Jump Financial, LLC10,800$155.0K0.01%+10,800New
Teachers Retirement System of the State of Kentucky10,700$153.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)6,830$98.0K0.00%00.0%Unchanged
Mutual of America Capital Management LLC6,163$88.0K0.00%−405−6.2%Reduced
Royal Bank of Canada6,121$88.0K0.00%+2,888+89.3%Added
Public Employees Retirement System of Ohio5,195$74.0K0.00%+529+11.3%Added
Nisa Investment Advisors, LLC4,950$71.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,798$54.0K0.00%00.0%Unchanged
Walleye Trading LLC2,740$39.0K0.00%+1,034+60.6%Added
BDO Wealth Advisors, LLC2,661$38.0K0.00%00.0%Unchanged
Cutler Group LP2,100$30.0K0.00%+1,843+717.1%Added
Geneos Wealth Management Inc.1,429$20.0K0.00%00.0%Unchanged
Simplex Trading, LLC960$15.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.669$9.00K0.00%−201−23.1%Reduced
Macquarie Group Ltd514$7.00K0.00%00.0%Unchanged
Captrust Financial Advisors397$6.00K0.00%−290−42.2%Reduced
Advisor Group Holdings, Inc.316$5.00K0.00%00.0%Unchanged
Signaturefd, LLC312$4.00K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC177$3.00K0.00%00.0%Unchanged
Versant Capital Management, Inc155$2.00K0.00%−44−22.1%Reduced
Red Tortoise LLC180$2.00K0.00%+180New
Meeder Asset Management Inc84$1.00K0.00%−86−50.6%Reduced
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
Quadrant Capital Group LLC101$1.00K0.00%+101New
Eaton Vance Management433$00.00%+280+183.0%Added
Parallel Advisors, LLC16$00.00%00.0%Unchanged
Jacobs Asset Management, LLC0$00.00%−150,000−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−36,431−100.0%Sold out
Raffles Associates LP0$00.00%−34,993−100.0%Sold out
Private Advisor Group, LLC0$00.00%−25,077−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−16,004−100.0%Sold out
ProShare Advisors LLC0$00.00%−13,061−100.0%Sold out
XTX Topco Ltd0$00.00%−12,461−100.0%Sold out
Pinz Capital Management, LP0$00.00%−6,200−100.0%Sold out
IFP Advisors, Inc0$00.00%−141−100.0%Sold out
Loring Wolcott & Coolidge Fiduciary Advisors LLP0$00.00%−65−100.0%Sold out
Gryphon Financial Partners LLC0$00.00%−78−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−11−100.0%Sold out
regents capital Ltd––––Not filed