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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, Q1 2023

Institutional positions in Octave Specialty Group Inc as of Mar 31, 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
160
−6 vs. Q4 2022
Shares held
38.9M
+4.41M (+12.8%) vs. Q4 2022
Total value
$596.2M
−$3.76M (−0.6%) vs. Q4 2022
New holders
20
49 more added
Sold out
26
56 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 160 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 heldQ1 2023: $596.2M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Octave Specialty Group Inc; share changes are against Q4 2022.

Institutions holding OSG in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Cutler Group LP56$00.00%+56New
IFP Advisors, Inc19$3840.00%00.0%Unchanged
Farmers & Merchants Investments Inc31$4800.00%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.35$5420.00%+35New
Lee Financial Co36$5580.00%00.0%Unchanged
Massmutual Trust Co FSB58$8980.00%00.0%Unchanged
Capital Advisors, Ltd. LLC55$1.00K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.99$1.53K0.00%−43,930−99.8%Reduced
Parallel Advisors, LLC112$1.73K0.00%+6+5.7%Added
CWM, LLC147$2.00K0.00%00.0%Unchanged
Quadrant Capital Group LLC135$2.09K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC177$2.74K0.00%00.0%Unchanged
Red Tortoise LLC180$2.79K0.00%00.0%Unchanged
Parkside Financial Bank & Trust215$3.33K0.00%00.0%Unchanged
Signaturefd, LLC252$3.90K0.00%−66−20.8%Reduced
Versant Capital Management, Inc274$4.20K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.314$4.86K0.00%00.0%Unchanged
Capital Analysts, LLC325$5.00K0.00%00.0%Unchanged
US Bancorp331$5.12K0.00%00.0%Unchanged
ICA Group Wealth Management, LLC354$5.48K0.00%00.0%Unchanged
Fifth Third Bancorp429$6.64K0.00%00.0%Unchanged
Lindbrook Capital, LLC617$9.55K0.00%−27−4.2%Reduced
Federated Hermes, Inc.938$14.5K0.00%+757+418.2%Added
Tower Research Capital LLC (TRC)1,081$17.0K0.00%−2,833−72.4%Reduced
Dorsey Wright & Associates1,498$23.2K0.01%−168−10.1%Reduced
Advisor Group Holdings, Inc.1,578$24.4K0.00%+1,101+230.8%Added
Metropolitan Life Insurance Co2,055$31.8K0.00%−819−28.5%Reduced
Royal Bank of Canada2,677$41.0K0.00%−2,794−51.1%Reduced
Quarry LP2,660$41.2K0.02%+1,141+75.1%Added
Robeco Institutional Asset Management B.V.2,674$41.4K0.00%+2,674New
The PNC Financial Services Group, Inc.2,824$43.7K0.00%+52+1.9%Added
Nisa Investment Advisors, LLC2,814$44.0K0.00%00.0%Unchanged
Envestnet Asset Management Inc289,563$44.6K0.00%+289,563New
Point72 Middle East FZE3,306$51.2K0.00%+3,306New
Ameritas Investment Partners, Inc.3,798$58.8K0.00%00.0%Unchanged
KBC Group NV3,972$61.0K0.00%00.0%Unchanged
Amundi6,120$91.9K0.00%+6,120New
STRS Ohio6,300$97.0K0.00%+6,300New
Allspring Global Investments Holdings, LLC7,786$120.5K0.00%+6,606+559.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)8,189$126.8K0.00%00.0%Unchanged
State of Wyoming9,259$143.3K0.05%−2,750−22.9%Reduced
Long Focus Capital Management, LLC10,000$154.8K0.02%00.0%Unchanged
Mackenzie Financial Corp10,550$163.3K0.00%+10,550New
Everence Capital Management Inc10,910$169.0K0.01%00.0%Unchanged
Man Group plc–$175.4K0.00%––
Teachers Retirement System of the State of Kentucky11,512$179.0K0.00%00.0%Unchanged
Clear Harbor Asset Management, LLC12,450$192.7K0.02%−44,050−78.0%Reduced
Arizona State Retirement System13,030$201.7K0.00%+343+2.7%Added
HighTower Advisors, LLC13,278$208.0K0.00%−2,376−15.2%Reduced
KLCM Advisors, Inc.14,000$216.7K0.04%00.0%Unchanged
SG Americas Securities, LLC14,233$220.0K0.00%−33,963−70.5%Reduced
Oregon Public Employees Retirement Fund14,498$224.4K0.00%−469−3.1%Reduced
Ensign Peak Advisors, Inc14,700$227.6K0.00%00.0%Unchanged
Caption Management, LLC15,000$232.2K0.05%+4,100+37.6%Added
State of Tennessee, Treasury Department15,282$236.6K0.00%−2,960−16.2%Reduced
State Board of Administration of Florida Retirement System16,040$248.3K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The16,641$257.6K0.00%00.0%Unchanged
Gsa Capital Partners LLP17,200$266.0K0.03%−48,225−73.7%Reduced
Maryland State Retirement & Pension System18,110$280.3K0.01%−459−2.5%Reduced
Versor Investments LP18,700$289.5K0.04%−6,000−24.3%Reduced
Amalgamated Bank18,771$291.0K0.00%−1,610−7.9%Reduced
Mirae Asset Global Investments Co., Ltd.18,835$291.6K0.00%00.0%Unchanged
Janus Henderson Group PLC20,076$310.7K0.00%+20,076New
Louisiana State Employees Retirement System21,000$325.1K0.01%−400−1.9%Reduced
Virginia Retirement Systems Et Al21,500$332.8K0.00%+6,100+39.6%Added
Jane Street Group, LLC22,814$353.2K0.00%+22,814New
American International Group, Inc.24,214$374.8K0.00%+103+0.4%Added
Trexquant Investment LP24,408$377.8K0.01%−26,919−52.4%Reduced
MetLife Investment Management24,566$380.3K0.00%00.0%Unchanged
Wellington Management Group LLP24,839$384.5K0.00%00.0%Unchanged
Yousif Capital Management, LLC25,488$394.6K0.01%−2,980−10.5%Reduced
Franklin Resources Inc25,956$401.8K0.00%−14−0.1%Reduced
New York State Common Retirement Fund26,678$413.0K0.00%−5,886−18.1%Reduced
Mraz, Amerine & Associates, Inc.27,030$418.4K0.10%−1,000−3.6%Reduced
Citigroup Inc27,200$421.1K0.00%−4,865−15.2%Reduced
Dynamic Technology Lab Private Ltd28,244$438.0K0.04%+28,244New
Interval Partners, LP28,930$447.8K0.03%−25,843−47.2%Reduced
Truist Financial Corp30,700$475.2K0.00%00.0%Unchanged
State of Alaska, Department of Revenue30,795$476.0K0.01%−519−1.7%Reduced
Alliancebernstein L.P.31,310$484.7K0.00%−9,637−23.5%Reduced
Royce & Associates LP32,818$508.0K0.01%+32,818New
Price T Rowe Associates Inc34,069$528.0K0.00%−4,090−10.7%Reduced
BNP Paribas Arbitrage, SA36,153$559.6K0.00%−7,424−17.0%Reduced
Redwood Investment Management, LLC40,000$619.0K0.07%00.0%Unchanged
Texas Permanent School Fund40,018$619.5K0.01%+9,932+33.0%Added
Public Employees Retirement System of Ohio40,536$627.0K0.00%+38,993+2,527.1%Added
Great West Life Assurance Co41,377$640.0K0.00%−4,316−9.4%Reduced
Barclays PLC42,138$652.3K0.00%−6,689−13.7%Reduced
New York State Teachers Retirement System46,230$716.0K0.00%−1,200−2.5%Reduced
Point72 Asset Management, L.P.47,400$733.8K0.00%+47,400New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys47,616$737.1K0.01%−513−1.1%Reduced
UBS Asset Management Americas Inc49,017$758.8K0.00%+49,017New
Exchange Traded Concepts, LLC49,073$759.6K0.02%−14,662−23.0%Reduced
California State Teachers Retirement System55,967$866.4K0.00%−766−1.4%Reduced
LPL Financial LLC59,159$915.8K0.00%−5,482−8.5%Reduced
Algert Global LLC62,905$973.8K0.05%−98,929−61.1%Reduced
Cubist Systematic Strategies, LLC63,247$979.1K0.01%−47,671−43.0%Reduced
Los Angeles Capital Management LLC64,685$1.00M0.00%−47,815−42.5%Reduced
Verition Fund Management LLC64,726$1.00M0.02%+3,305+5.4%Added
Credit Suisse AG65,859$1.02M0.00%+3,019+4.8%Added