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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, Q1 2022

Institutional positions in iTeos Therapeutics, Inc. as of Mar 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
159
+43 vs. Q4 2021
Shares held
36.1M
+2.80M (+8.4%) vs. Q4 2021
Total value
$1.17B
−$377.7M (−24.4%) vs. Q4 2021
New holders
54
50 more added
Sold out
11
41 more reduced

2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 159 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 heldQ1 2022: $1.17B
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, Q1 2022

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding ITOS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,417,259$142.1M3.10%00.0%Unchanged
BlackRock Inc.3,331,313$107.2M0.00%+1,718,085+106.5%Added
Boxer Capital, LLC3,192,058$102.7M5.28%−1,152,958−26.5%Reduced
MPM Asset Management LLC2,738,785$88.1M30.12%−146,685−5.1%Reduced
MPM Oncology Impact Management LP1,745,943$56.2M15.08%−98,784−5.4%Reduced
State Street Corp1,711,891$55.1M0.00%+948,540+124.3%Added
Vanguard Group Inc1,476,042$47.5M0.00%+415,232+39.1%Added
BVF Inc1,400,201$45.1M1.80%+1,400,201New
Alliancebernstein L.P.1,117,346$36.0M0.01%−187,867−14.4%Reduced
Tang Capital Management LLC937,500$30.2M6.11%00.0%Unchanged
Rubric Capital Management LP822,112$26.5M1.23%−350,208−29.9%Reduced
Morgan Stanley802,370$25.8M0.00%+638,371+389.3%Added
Candriam Luxembourg S.C.A.683,812$22.0M0.15%−73,515−9.7%Reduced
Deutsche Bank AG682,802$22.0M0.01%+670,533+5,465.3%Added
FMR LLC613,537$19.7M0.00%−181,944−22.9%Reduced
Citadel Advisors LLC521,471$16.8M0.02%−477,470−47.8%Reduced
RTW Investments, LP489,014$15.7M0.33%−1,864,001−79.2%Reduced
Octagon Capital Advisors LP450,776$14.5M3.14%00.0%Unchanged
Pacer Advisors, Inc.443,460$14.3M0.12%+443,460New
Gotham Asset Management, LLC141,165$13.7M0.42%+141,165New
Artal Group S.A.400,000$12.9M0.54%−144,047−26.5%Reduced
Geode Capital Management, LLC399,450$12.9M0.00%+25,662+6.9%Added
Millennium Management LLC274,860$8.85M0.01%+47,424+20.9%Added
Sectoral Asset Management Inc234,150$7.54M1.34%+154,150+192.7%Added
Two Sigma Advisers, LP231,100$7.44M0.02%+51,100+28.4%Added
JPMorgan Chase & Co226,674$7.29M0.00%+167,992+286.3%Added
Two Sigma Investments, LP224,608$7.23M0.02%+17,225+8.3%Added
Federated Hermes, Inc.219,272$7.06M0.02%+123,474+128.9%Added
AXA S.A.218,973$7.05M0.02%+20.0%Added
Nuveen Asset Management, LLC203,914$6.71M0.00%+14,566+7.7%Added
Northern Trust Corp197,884$6.37M0.00%+12,250+6.6%Added
Bank of New York Mellon Corp186,800$6.01M0.00%+84,186+82.0%Added
Goldman Sachs Group Inc183,141$5.89M0.00%+65,837+56.1%Added
Allspring Global Investments Holdings, LLC173,887$5.59M0.01%+117,384+207.7%Added
UBS Group AG170,690$5.49M0.00%+132,934+352.1%Added
Prudential Financial Inc166,621$5.36M0.01%+109,991+194.2%Added
Schroder Investment Management Group158,756$5.08M0.01%+158,756New
Marshall Wace, LLP155,373$5.00M0.01%−61,449−28.3%Reduced
Baker Bros. Advisors LP150,346$4.84M0.03%00.0%Unchanged
Charles Schwab Investment Management Inc145,749$4.69M0.00%+3,174+2.2%Added
Hillsdale Investment Management Inc.145,500$4.68M0.30%−1,000−0.7%Reduced
Bank of America Corp139,579$4.49M0.00%+50,521+56.7%Added
Silverarc Capital Management, LLC138,843$4.47M2.43%+837+0.6%Added
Principal Financial Group Inc136,746$4.40M0.00%+136,746New
Renaissance Technologies LLC134,200$4.32M0.01%+101,100+305.4%Added
Dimensional Fund Advisors LP128,090$4.12M0.00%00.0%Unchanged
Acadian Asset Management LLC126,199$4.06M0.02%+118,702+1,583.3%Added
Invesco Ltd.125,023$4.02M0.00%+78,056+166.2%Added
American Century Companies Inc121,395$3.91M0.00%+73,187+151.8%Added
AQR Capital Management LLC118,085$3.80M0.01%+118,085New
Man Group plc117,586$3.78M0.01%+97,985+499.9%Added
Adage Capital Partners GP, L.L.C.105,000$3.38M0.01%−65,000−38.2%Reduced
Wellington Management Group LLP104,675$3.37M0.00%−2,171−2.0%Reduced
Cormorant Asset Management, LP100,000$3.22M0.25%−50,000−33.3%Reduced
Voloridge Investment Management, LLC98,685$3.18M0.02%+98,685New
Rafferty Asset Management, LLC97,301$3.13M0.02%+56,985+141.3%Added
Parametric Portfolio Associates LLC97,215$3.13M0.00%−26,759−21.6%Reduced
DAFNA Capital Management LLC89,298$2.87M0.75%+35,208+65.1%Added
Ameriprise Financial Inc89,299$2.87M0.00%+89,299New
Integral Health Asset Management, LLC85,000$2.73M0.71%+35,000+70.0%Added
Barclays PLC83,999$2.70M0.00%+83,999New
EcoR1 Capital, LLC72,821$2.34M0.07%−1,230,336−94.4%Reduced
Walleye Capital LLC68,891$2.22M0.06%+34,638+101.1%Added
SG Americas Securities, LLC59,996$1.93M0.02%+53,046+763.3%Added
Norges Bank52,500$1.69M0.00%00.0%Unchanged
Massachusetts Financial Services Co51,387$1.65M0.00%+26,558+107.0%Added
SEI Investments Co48,938$1.58M0.00%+31,119+174.6%Added
Jacobs Levy Equity Management, Inc48,545$1.56M0.01%+2,994+6.6%Added
Legal & General Group Plc45,470$1.46M0.00%+40,137+752.6%Added
Rhumbline Advisers43,373$1.40M0.00%+16,099+59.0%Added
Tekla Capital Management LLC42,362$1.36M0.05%00.0%Unchanged
Putnam Investments LLC39,365$1.27M0.00%−2,944−7.0%Reduced
Public Sector Pension Investment Board37,570$1.21M0.01%+37,570New
Victory Capital Management Inc44,520$1.20M0.00%+44,520New
Swiss National Bank33,400$1.07M0.00%+2,400+7.7%Added
Los Angeles Capital Management LLC32,605$1.05M0.00%+32,605New
Citigroup Inc32,353$1.04M0.00%−176,147−84.5%Reduced
State Board of Administration of Florida Retirement System30,220$972.0K0.00%+30,220New
Vident Investment Advisory, LLC28,983$933.0K0.02%+4,830+20.0%Added
Susquehanna International Group, LLP28,267$910.0K0.00%−48,583−63.2%Reduced
State of Wisconsin Investment Board26,900$866.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC26,888$865.0K0.01%+26,888New
Cubist Systematic Strategies, LLC26,335$847.0K0.01%−27,172−50.8%Reduced
First Trust Advisors LP25,611$824.0K0.00%+25,611New
Jackson Creek Investment Advisors LLC25,572$823.0K0.30%−12,422−32.7%Reduced
ExodusPoint Capital Management, LP25,325$815.0K0.01%−56,186−68.9%Reduced
Cinctive Capital Management LP23,200$747.0K0.03%+2,000+9.4%Added
HighVista Strategies LLC22,812$734.0K0.47%−11,675−33.9%Reduced
STRS Ohio21,900$704.0K0.00%−800−3.5%Reduced
Exchange Traded Concepts, LLC21,112$679.0K0.01%+21,112New
First Republic Investment Management, Inc.20,825$670.0K0.00%−2,792−11.8%Reduced
California State Teachers Retirement System20,739$667.0K0.00%−2,057−9.0%Reduced
Yousif Capital Management, LLC18,864$607.0K0.01%+18,864New
Caption Management, LLC18,000$579.0K0.04%+18,000New
Susquehanna Fundamental Investments, LLC17,930$577.0K0.01%−1,170−6.1%Reduced
Great West Life Assurance Co17,012$560.0K0.00%+16,227+2,067.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys17,333$558.0K0.01%+17,333New
Parkwood LLC17,136$551.0K0.09%+17,136New
Dynamic Technology Lab Private Ltd17,100$550.0K0.06%+17,100New
Alberta Investment Management Corp16,777$540.0K0.00%00.0%Unchanged