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iTeos Therapeutics, Inc.

ITOSDelisted Aug 29, 2025
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001808865

iTeos Therapeutics, Inc. was delisted on Aug 29, 2025; its insiders filed their last Form 4 on Aug 29, 2025; 137 institutions reported holding it in 13F filings for Q2 2025, worth $377.0M in total; no superinvestor held it.

13F holders, Q3 2024

Institutional positions in iTeos Therapeutics, 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
151
+14 vs. Q2 2024
Shares held
36.6M
+4.14M (+12.8%) vs. Q2 2024
Total value
$373.3M
−$108.1M (−22.5%) vs. Q2 2024
New holders
26
56 more added
Sold out
12
43 more reduced

2 institutions 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 ITOS 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: 151 institutions
Q1 2021: 81 institutionsQ2 2021: 83 institutionsQ3 2021: 77 institutionsQ4 2021: 118 institutionsQ1 2022: 159 institutionsQ2 2022: 153 institutionsQ3 2022: 143 institutionsQ4 2022: 146 institutionsQ1 2023: 153 institutionsQ2 2023: 146 institutionsQ3 2023: 144 institutionsQ4 2023: 138 institutionsQ1 2024: 136 institutionsQ2 2024: 139 institutionsQ3 2024: 151 institutionsQ4 2024: 137 institutionsQ1 2025: 132 institutionsQ2 2025: 137 institutionsQ3 2025: 1 institutionQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ3 2024: $373.3M
Q1 2021: $1.03BQ2 2021: $755.8MQ3 2021: $841.3MQ4 2021: $1.55BQ1 2022: $1.17BQ2 2022: $768.1MQ3 2022: $698.2MQ4 2022: $707.3MQ1 2023: $488.9MQ2 2023: $460.4MQ3 2023: $388.6MQ4 2023: $383.4MQ1 2024: $471.2MQ2 2024: $536.8MQ3 2024: $373.3MQ4 2024: $262.2MQ1 2025: $220.7MQ2 2025: $377.0MQ3 2025: $2.35KQ4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding ITOS and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20251$2.35K
Q2 2025137$377.0M
Q1 2025132$220.7M
Q4 2024137$262.2M
Q3 2024151$373.3M
Q2 2024139$536.8M
Q1 2024136$471.2M
Q4 2023138$383.4M
Q3 2023144$388.6M
Q2 2023146$460.4M
Q1 2023153$488.9M
Q4 2022146$707.3M
Q3 2022143$698.2M
Q2 2022153$768.1M
Q1 2022159$1.17B
Q4 2021118$1.55B
Q3 202177$841.3M
Q2 202183$755.8M
Q1 202181$1.03B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q2 2024.

Institutions holding ITOS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,882,549$39.6M0.00%+3,882,549New
Ra Capital Management, L.P.3,184,711$32.5M0.37%−332,548−9.5%Reduced
Boxer Capital, LLC2,946,915$30.1M1.48%00.0%Unchanged
MPM Asset Management LLC2,738,785$28.0M19.25%00.0%Unchanged
Tang Capital Management LLC2,407,800$24.6M1.76%+2,407,800New
MPM Oncology Impact Management LP1,745,943$17.8M2.67%00.0%Unchanged
Vanguard Group Inc1,656,810$16.9M0.00%−393,196−19.2%Reduced
EcoR1 Capital, LLC1,608,616$16.4M0.56%−1,641,219−50.5%Reduced
683 Capital Management, LLC1,570,288$16.0M1.63%+455,288+40.8%Added
Citadel Advisors LLC1,236,259$12.6M0.01%+538,927+77.3%Added
State Street Corp1,175,353$12.0M0.00%+211,452+21.9%Added
Dimensional Fund Advisors LP1,046,200$10.7M0.00%+137,871+15.2%Added
Vestal Point Capital, LP1,025,000$10.5M0.83%−725,000−41.4%Reduced
Goldman Sachs Group Inc913,013$9.32M0.00%+180,741+24.7%Added
Candriam Luxembourg S.C.A.769,213$7.85M0.05%+259,910+51.0%Added
Geode Capital Management, LLC640,350$6.54M0.00%+20,092+3.2%Added
Renaissance Technologies LLC536,400$5.48M0.01%−23,200−4.1%Reduced
K2 Principal Fund, L.P.534,951$5.46M0.91%+277,871+108.1%Added
Morgan Stanley501,366$5.12M0.00%−587,933−54.0%Reduced
JPMorgan Chase & Co467,319$4.77M0.00%+5,368+1.2%Added
ADAR1 Capital Management, LLC376,737$3.85M0.64%+316,737+527.9%Added
Algert Global LLC256,139$2.62M0.07%+122,730+92.0%Added
Prudential Financial Inc253,291$2.59M0.00%+22,800+9.9%Added
Northern Trust Corp251,856$2.57M0.00%+10,301+4.3%Added
Charles Schwab Investment Management Inc222,135$2.27M0.00%+8,397+3.9%Added
Jacobs Levy Equity Management, Inc205,863$2.10M0.01%+29,549+16.8%Added
Saturn V Capital Management LLC195,704$2.00M0.71%−171,725−46.7%Reduced
Qube Research & Technologies Ltd175,591$1.79M0.00%+136,987+354.9%Added
Readystate Asset Management LP169,819$1.73M0.09%+83,700+97.2%Added
Clearline Capital LP167,417$1.71M0.15%+10,523+6.7%Added
DAFNA Capital Management LLC161,584$1.65M0.39%+17,224+11.9%Added
Nuveen Asset Management, LLC157,331$1.61M0.00%−200,840−56.1%Reduced
Kennedy Capital Management, Inc.155,435$1.59M0.04%+5,185+3.5%Added
Eagle Asset Management Inc151,649$1.41M0.01%−12,583−7.7%Reduced
Cubist Systematic Strategies, LLC132,364$1.35M0.02%+132,364New
D. E. Shaw & Co., Inc.125,761$1.28M0.00%−93,562−42.7%Reduced
Two Sigma Investments, LP122,697$1.25M0.00%+35,077+40.0%Added
Barclays PLC113,211$1.16M0.00%−9,064−7.4%Reduced
Wellington Management Group LLP105,769$1.08M0.00%+18,255+20.9%Added
Bank of New York Mellon Corp103,165$1.05M0.00%−18,085−14.9%Reduced
Victory Capital Management Inc95,240$972.4K0.00%−15,149−13.7%Reduced
Invesco Ltd.84,355$861.3K0.00%−231−0.3%Reduced
Ikarian Capital, LLC78,574$802.2K0.25%00.0%Unchanged
Bank of America Corp76,766$783.8K0.00%−7,270−8.7%Reduced
Schonfeld Strategic Advisors LLC68,243$696.8K0.01%+68,243New
Panagora Asset Management Inc67,723$691.5K0.00%−63,830−48.5%Reduced
UBS Oconnor LLC65,940$673.2K0.02%+30,617+86.7%Added
Bridgeway Capital Management, LLC65,767$671.5K0.01%+3,350+5.4%Added
Empowered Funds, LLC65,767$671.5K0.01%+3,350+5.4%Added
American Century Companies Inc63,210$645.4K0.00%+16,888+36.5%Added
Susquehanna Portfolio Strategies, LLC62,062$633.7K0.04%−39,713−39.0%Reduced
Ameriprise Financial Inc61,516$628.1K0.00%−17,953−22.6%Reduced
Squarepoint Ops LLC61,402$626.9K0.00%+41,766+212.7%Added
HRT Financial LP58,450$596.0K0.00%+58,450New
Lazard Asset Management LLC57,743$589.0K0.00%+57,743New
UBS Asset Management Americas Inc56,507$576.9K0.00%−2,333−4.0%Reduced
Rafferty Asset Management, LLC49,835$508.8K0.00%+13,850+38.5%Added
Trexquant Investment LP49,006$500.4K0.01%+49,006New
UBS Group AG43,765$446.8K0.00%+14,379+48.9%Added
Rhumbline Advisers41,741$426.2K0.00%−3,120−7.0%Reduced
Jump Financial, LLC40,182$410.3K0.01%+14,398+55.8%Added
Swiss National Bank40,100$409.4K0.00%−5,800−12.6%Reduced
Two Sigma Advisers, LP37,900$387.0K0.00%+19,700+108.2%Added
Millennium Management LLC37,073$378.5K0.00%−204,232−84.6%Reduced
Fisher Asset Management, LLC35,215$359.5K0.00%00.0%Unchanged
J. Goldman & Co LP34,367$350.9K0.02%−35,218−50.6%Reduced
HSBC Holdings PLC33,118$335.2K0.00%+20,541+163.3%Added
Alliancebernstein L.P.32,510$331.9K0.00%−5,900−15.4%Reduced
Stonepine Capital Management, LLC30,000$306.3K0.19%+30,000New
Public Employees Retirement System of Ohio28,826$294.3K0.00%−7,952−21.6%Reduced
Boothbay Fund Management, LLC28,468$290.7K0.01%+10,200+55.8%Added
Deutsche Bank AG26,949$275.1K0.00%+5,908+28.1%Added
Verition Fund Management LLC26,798$273.6K0.00%−4,916−15.5%Reduced
Russell Investments Group, Ltd.26,606$271.6K0.00%+25,573+2,475.6%Added
Alps Advisors Inc26,475$270.3K0.00%−1,719−6.1%Reduced
AQR Capital Management LLC26,251$268.0K0.00%−3,047−10.4%Reduced
Gsa Capital Partners LLP25,787$263.0K0.02%+25,787New
Massachusetts Financial Services Co23,662$241.6K0.00%+23,662New
Jupiter Asset Management Ltd23,133$236.2K0.00%00.0%Unchanged
LMR Partners LLP22,972$234.5K0.01%00.0%Unchanged
Belvedere Trading LLC22,601$230.8K0.01%+8,843+64.3%Added
Man Group plc21,653$221.1K0.00%+21,653New
Corton Capital Inc.20,332$207.6K0.10%+20,332New
Citigroup Inc20,192$206.2K0.00%+8,497+72.7%Added
California State Teachers Retirement System19,859$202.8K0.00%−3,170−13.8%Reduced
Creative Planning19,636$200.5K0.00%+1,196+6.5%Added
Susquehanna International Group, LLP19,540$199.5K0.00%−89,535−82.1%Reduced
Fox Run Management, L.L.C.19,263$196.7K0.04%+7,245+60.3%Added
Jane Street Group, LLC18,847$192.4K0.00%−141,008−88.2%Reduced
XTX Topco Ltd18,207$185.9K0.01%+18,207New
Acadian Asset Management LLC16,901$172.0K0.00%+16,901New
Legal & General Group Plc16,729$170.8K0.00%+269+1.6%Added
Mirae Asset Global ETFs Holdings Ltd.16,267$166.7K0.00%+1,896+13.2%Added
Sectoral Asset Management Inc15,650$159.8K0.09%−81,316−83.9%Reduced
Intech Investment Management LLC15,085$154.0K0.00%+15,085New
Wells Fargo & Company14,242$145.4K0.00%+2,811+24.6%Added
Corebridge Financial, Inc.14,228$145.3K0.00%+262+1.9%Added
Franklin Resources Inc14,801$144.0K0.00%−32,791−68.9%Reduced
MetLife Investment Management14,043$143.4K0.00%00.0%Unchanged
Prelude Capital Management, LLC13,877$141.7K0.01%+13,877New