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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 2023

Institutional positions in iTeos Therapeutics, 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
144
0 vs. Q2 2023
Shares held
35.5M
+866.2K (+2.5%) vs. Q2 2023
Total value
$388.6M
−$69.9M (−15.2%) vs. Q2 2023
New holders
15
58 more added
Sold out
15
48 more reduced

2 institutions 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 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 2023: 144 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 2023: $388.6M
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 2023

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q2 2023.

Institutions holding ITOS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,050,968$55.3M0.00%+370,774+7.9%Added
Ra Capital Management, L.P.4,417,259$48.4M0.95%00.0%Unchanged
MPM Asset Management LLC2,738,785$30.0M16.06%00.0%Unchanged
Vanguard Group Inc1,813,759$19.9M0.00%+40,407+2.3%Added
Boxer Capital, LLC1,804,058$19.8M1.05%−350,000−16.2%Reduced
MPM Oncology Impact Management LP1,745,943$19.1M5.10%00.0%Unchanged
State Street Corp1,581,493$17.3M0.00%+16,291+1.0%Added
BVF Inc1,259,476$13.8M0.37%−551,359−30.4%Reduced
Millennium Management LLC1,032,846$11.3M0.01%+206,744+25.0%Added
Citadel Advisors LLC1,007,572$11.0M0.01%−187,697−15.7%Reduced
Saturn V Capital Management LLC994,756$10.9M4.56%+358,598+56.4%Added
683 Capital Management, LLC810,000$8.87M0.90%+225,000+38.5%Added
Deerfield Management Company, L.P. (Series C)723,000$7.92M0.17%+723,000New
Dimensional Fund Advisors LP700,953$7.68M0.00%+122,304+21.1%Added
Goldman Sachs Group Inc609,212$6.67M0.00%−34,453−5.4%Reduced
Geode Capital Management, LLC532,087$5.83M0.00%+30,075+6.0%Added
Candriam Luxembourg S.C.A.511,537$5.60M0.05%−100,010−16.4%Reduced
Janus Henderson Group PLC500,324$5.48M0.00%+500,324New
Jacobs Levy Equity Management, Inc459,712$5.03M0.03%−30,668−6.3%Reduced
Artal Group S.A.400,000$4.38M0.19%00.0%Unchanged
Renaissance Technologies LLC394,000$4.31M0.01%−19,200−4.6%Reduced
Ikarian Capital, LLC346,471$3.79M1.41%+346,471New
Barclays PLC322,322$3.53M0.00%+7,442+2.4%Added
Bank of New York Mellon Corp278,959$3.05M0.00%+17,090+6.5%Added
Northern Trust Corp277,235$3.04M0.00%+10,397+3.9%Added
Morgan Stanley261,753$2.87M0.00%+85,073+48.2%Added
Prudential Financial Inc251,701$2.76M0.00%−39,350−13.5%Reduced
Charles Schwab Investment Management Inc210,171$2.30M0.00%+19,258+10.1%Added
Invesco Ltd.207,165$2.27M0.00%−8,202−3.8%Reduced
Bridgeway Capital Management, LLC176,810$1.94M0.05%+9,006+5.4%Added
Sectoral Asset Management Inc155,075$1.70M0.33%+8,499+5.8%Added
Vontobel Holding Ltd.155,075$1.70M0.02%+8,499+5.8%Added
Principal Financial Group Inc152,342$1.67M0.00%+5,555+3.8%Added
Baker Bros. Advisors LP150,346$1.65M0.01%00.0%Unchanged
Panagora Asset Management Inc146,276$1.60M0.01%+25,237+20.9%Added
FMR LLC140,663$1.54M0.00%−540.0%Reduced
Ameriprise Financial Inc133,219$1.46M0.00%−215−0.2%Reduced
D. E. Shaw & Co., Inc.114,458$1.25M0.00%+34,976+44.0%Added
Empowered Funds, LLC110,310$1.21M0.04%+9,006+8.9%Added
Readystate Asset Management LP105,691$1.16M0.10%+17,300+19.6%Added
Los Angeles Capital Management LLC105,554$1.16M0.00%−4,468−4.1%Reduced
Bank of America Corp103,475$1.13M0.00%−12,389−10.7%Reduced
Octagon Capital Advisors LP102,000$1.12M0.20%−494,000−82.9%Reduced
Victory Capital Management Inc99,133$1.09M0.00%+351+0.4%Added
DAFNA Capital Management LLC98,560$1.08M0.34%00.0%Unchanged
Algert Global LLC96,180$1.05M0.05%+54,590+131.3%Added
Verition Fund Management LLC94,824$1.04M0.01%−21,459−18.5%Reduced
Susquehanna International Group, LLP92,726$1.02M0.00%+18,345+24.7%Added
Citigroup Inc86,334$945.4K0.00%−148,333−63.2%Reduced
Rafferty Asset Management, LLC85,189$932.8K0.01%−1,409−1.6%Reduced
Massachusetts Financial Services Co78,243$856.8K0.00%−2,998−3.7%Reduced
Boothbay Fund Management, LLC73,979$810.1K0.03%−1,521−2.0%Reduced
Rhumbline Advisers68,997$755.5K0.00%+4,089+6.3%Added
Legal & General Group Plc64,474$706.0K0.00%+582+0.9%Added
Nuveen Asset Management, LLC59,900$655.9K0.00%−15,811−20.9%Reduced
UBS Oconnor LLC59,764$654.4K0.01%+8,000+15.5%Added
AQR Capital Management LLC59,380$650.2K0.00%+3,386+6.0%Added
State of Wisconsin Investment Board53,903$590.2K0.00%−11,131−17.1%Reduced
American Century Companies Inc51,555$564.5K0.00%−19,491−27.4%Reduced
Swiss National Bank50,600$554.1K0.00%00.0%Unchanged
UBS Asset Management Americas Inc43,255$473.6K0.00%+18,094+71.9%Added
Alliancebernstein L.P.35,320$386.8K0.00%−1,740−4.7%Reduced
Trexquant Investment LP33,549$367.4K0.01%+3,268+10.8%Added
Winton Group Ltd33,433$366.1K0.03%+21,221+173.8%Added
Public Sector Pension Investment Board32,728$358.4K0.00%−11,074−25.3%Reduced
Allianz Asset Management GmbH32,200$352.6K0.00%−23,087−41.8%Reduced
Jupiter Asset Management Ltd30,706$336.2K0.00%−18,215−37.2%Reduced
Virginia Retirement Systems Et Al28,100$307.7K0.00%−13,900−33.1%Reduced
New York State Teachers Retirement System27,200$298.0K0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd26,435$289.5K0.03%+26,435New
Alps Advisors Inc26,426$289.4K0.00%+137+0.5%Added
California State Teachers Retirement System26,022$284.9K0.00%−2,645−9.2%Reduced
Squarepoint Ops LLC25,208$276.0K0.00%+25,208New
Deutsche Bank AG24,631$269.7K0.00%+2,552+11.6%Added
Thrivent Financial for Lutherans24,223$265.0K0.00%+616+2.6%Added
Public Employees Retirement System of Ohio23,979$263.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.23,751$260.1K0.00%−1,305−5.2%Reduced
JPMorgan Chase & Co23,701$259.5K0.00%+3,253+15.9%Added
UBS Group AG23,126$253.2K0.00%−21,589−48.3%Reduced
Voya Investment Management LLC22,184$242.9K0.00%+409+1.9%Added
Texas Permanent School Fund22,109$242.1K0.00%+670+3.1%Added
ExodusPoint Capital Management, LP21,995$241.0K0.00%+6,577+42.7%Added
Wells Fargo & Company21,613$236.7K0.00%−3,748−14.8%Reduced
Great West Life Assurance Co21,395$235.0K0.00%00.0%Unchanged
Yousif Capital Management, LLC21,143$231.5K0.00%−15−0.1%Reduced
Adage Capital Partners GP, L.L.C.20,000$219.0K0.00%+20,000New
Credit Suisse AG18,905$207.0K0.00%−4,512−19.3%Reduced
LMR Partners LLP17,972$196.8K0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys17,702$193.8K0.00%−10,192−36.5%Reduced
Tudor Investment Corp Et Al17,635$193.1K0.00%+30.0%Added
NinePointTwo Capital17,677$193.0K0.08%00.0%Unchanged
State of Alaska, Department of Revenue16,485$180.0K0.00%+248+1.5%Added
First Republic Investment Management, Inc.15,979$175.0K0.00%00.0%Unchanged
Profund Advisors LLC15,429$168.9K0.01%−1,394−8.3%Reduced
STRS Ohio15,100$165.0K0.00%00.0%Unchanged
State of Tennessee, Treasury Department14,260$156.1K0.00%−1,877−11.6%Reduced
Mirae Asset Global Investments Co., Ltd.13,814$151.3K0.00%−190−1.4%Reduced
American International Group, Inc.13,679$149.8K0.00%+379+2.8%Added
Louisiana State Employees Retirement System13,500$147.8K0.00%+500+3.8%Added
Cornercap Investment Counsel Inc13,188$144.4K0.03%+631+5.0%Added