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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, Q4 2022

Institutional positions in Octave Specialty Group Inc as of Dec 31, 2022. 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
+16 vs. Q3 2022
Shares held
34.5M
+3.14M (+10.0%) vs. Q3 2022
Total value
$600.4M
+$200.8M (+50.2%) vs. Q3 2022
New holders
41
56 more added
Sold out
25
41 more reduced

3 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 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 heldQ4 2022: $600.4M
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 2022

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q3 2022.

Institutions holding OSG in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Amalgamated Bank20,381$355.0K0.00%+67+0.3%Added
Renaissance Technologies LLC18,944$330.0K0.00%−41,956−68.9%Reduced
Mirae Asset Global Investments Co., Ltd.18,835$328.5K0.00%00.0%Unchanged
Maryland State Retirement & Pension System18,569$323.8K0.01%00.0%Unchanged
State of Tennessee, Treasury Department18,242$318.0K0.00%00.0%Unchanged
XTX Topco Ltd17,118$298.5K0.06%+17,118New
Manufacturers Life Insurance Company, The16,641$290.2K0.00%−1,197−6.7%Reduced
State Board of Administration of Florida Retirement System16,040$279.7K0.00%−4,910−23.4%Reduced
HighTower Advisors, LLC15,654$273.0K0.00%+15,654New
Virginia Retirement Systems Et Al15,400$268.6K0.00%+15,400New
Simplex Trading, LLC15,399$268.0K0.01%−82,455−84.3%Reduced
Oregon Public Employees Retirement Fund14,967$261.0K0.00%+85+0.6%Added
Man Group plc14,795$258.0K0.00%+14,795New
Ensign Peak Advisors, Inc14,700$256.4K0.00%−15,200−50.8%Reduced
Counterpoint Mutual Funds LLC14,463$252.2K0.27%+6,251+76.1%Added
KLCM Advisors, Inc.14,000$244.2K0.05%+2,000+16.7%Added
Arizona State Retirement System12,687$221.3K0.00%+447+3.7%Added
Walleye Capital LLC12,273$214.0K0.00%+12,273New
Natixis Advisors, L.P.12,112$211.0K0.00%+12,112New
State of Wyoming12,009$209.4K0.07%+2,332+24.1%Added
Teachers Retirement System of the State of Kentucky11,512$201.0K0.00%00.0%Unchanged
Caption Management, LLC10,900$190.1K0.03%−7,521−40.8%Reduced
Everence Capital Management Inc10,910$190.0K0.02%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd10,871$189.6K0.03%−7,278−40.1%Reduced
Long Focus Capital Management, LLC10,000$174.4K0.03%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)8,189$142.8K0.00%+1,359+19.9%Added
Walleye Trading LLC7,615$132.8K0.00%−97,349−92.7%Reduced
Pathstone Family Office, LLC12,450$98.1K0.00%+12,450New
Royal Bank of Canada5,471$94.0K0.00%+4,399+410.4%Added
Tower Research Capital LLC (TRC)3,914$69.0K0.00%−2,172−35.7%Reduced
KBC Group NV3,972$69.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,798$65.5K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,874$50.1K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,814$49.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.2,772$48.3K0.00%−39−1.4%Reduced
Balyasny Asset Management LLC1,907$33.3K0.00%+1,907New
Dorsey Wright & Associates1,666$29.1K0.01%+1,666New
Gyon Technologies Capital Management, LP1,582$27.6K0.01%+1,582New
Public Employees Retirement System of Ohio1,543$27.0K0.00%−3,669−70.4%Reduced
Quarry LP1,519$26.5K0.03%+1,519New
Allspring Global Investments Holdings, LLC1,180$20.6K0.00%+1,180New
Lindbrook Capital, LLC644$11.2K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.603$10.5K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.477$8.00K0.00%+177+59.0%Added
Fifth Third Bancorp429$7.48K0.00%00.0%Unchanged
Money Concepts Capital Corp378$6.59K0.00%+378New
ICA Group Wealth Management, LLC354$6.17K0.00%+354New
Capital Analysts, LLC325$6.00K0.00%00.0%Unchanged
US Bancorp331$5.77K0.00%+52+18.6%Added
Signaturefd, LLC318$5.55K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.314$5.48K0.00%+171+119.6%Added
Versant Capital Management, Inc274$4.78K0.00%−89−24.5%Reduced
Parkside Financial Bank & Trust215$3.75K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC197$3.44K0.00%00.0%Unchanged
Federated Hermes, Inc.181$3.16K0.00%+181New
Red Tortoise LLC180$3.14K0.00%+180New
Steward Partners Investment Advisory, LLC177$3.09K0.00%00.0%Unchanged
CWM, LLC147$3.00K0.00%+19+14.8%Added
Quadrant Capital Group LLC135$2.35K0.00%−55−28.9%Reduced
Parallel Advisors, LLC106$1.85K0.00%−9−7.8%Reduced
Massmutual Trust Co FSB58$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC55$1.00K0.00%00.0%Unchanged
IFP Advisors, Inc19$1.00K0.00%+19New
Lee Financial Co36$6280.00%00.0%Unchanged
Farmers & Merchants Investments Inc31$5410.00%00.0%Unchanged
Rockefeller Capital Management L.P.13$00.00%00.0%Unchanged
Tfo-TDC, LLC1,738––+1,738New
CQS (US), LLC0$00.00%−566,717−100.0%Sold out
Bank of Montreal0$00.00%−186,633−100.0%Sold out
Jane Street Group, LLC0$00.00%−127,853−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−76,690−100.0%Sold out
Quinn Opportunity Partners LLC0$00.00%−65,280−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−47,386−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−47,005−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−42,500−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−42,089−100.0%Sold out
PDT Partners, LLC0$00.00%−38,772−100.0%Sold out
HAP Trading, LLC0$00.00%−23,145−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−19,644−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−12,714−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−10,926−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−10,300−100.0%Sold out
Mutual of America Capital Management LLC0$00.00%−8,946−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−4,171−100.0%Sold out
Cutler Group LP0$00.00%−3,750−100.0%Sold out
Covestor Ltd0$00.00%−3,234−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−1,033−100.0%Sold out
Macquarie Group Ltd0$00.00%0Sold out
Aquatic Capital Management LLC0$00.00%−500−100.0%Sold out
Allworth Financial LP0$00.00%−354−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−427−100.0%Sold out
Meeder Asset Management Inc0$00.00%−5−100.0%Sold out
Jefferies Group LLC––––Not filed
Hightower 6M Holding, LLC––––Not filed
Wipfli Financial Advisors LLC,––––Not filed