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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, Q4 2021

Institutional positions in iTeos Therapeutics, Inc. as of Dec 31, 2021. 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
118
+42 vs. Q3 2021
Shares held
33.4M
+2.28M (+7.3%) vs. Q3 2021
Total value
$1.55B
+$713.1M (+84.8%) vs. Q3 2021
New holders
46
37 more added
Sold out
4
24 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 118 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 heldQ4 2021: $1.55B
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, Q4 2021

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q3 2021.

Institutions holding ITOS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,417,259$205.7M3.63%00.0%Unchanged
Boxer Capital, LLC4,345,016$202.3M8.05%00.0%Unchanged
MPM Asset Management LLC2,885,470$134.3M29.03%−405,241−12.3%Reduced
RTW Investments, LP2,353,015$109.6M1.60%00.0%Unchanged
MPM Oncology Impact Management LP1,844,727$85.9M15.66%−262,365−12.5%Reduced
BlackRock Inc.1,613,228$75.1M0.00%+54,992+3.5%Added
Alliancebernstein L.P.1,305,213$60.8M0.02%−29,868−2.2%Reduced
EcoR1 Capital, LLC1,303,157$60.7M1.94%00.0%Unchanged
Rubric Capital Management LP1,172,320$54.6M2.58%+183,637+18.6%Added
Vanguard Group Inc1,060,810$49.4M0.00%+441,779+71.4%Added
Citadel Advisors LLC998,941$46.5M0.05%+23,523+2.4%Added
Tang Capital Management LLC937,500$43.6M8.78%+37,500+4.2%Added
FMR LLC795,481$37.0M0.00%−9,600−1.2%Reduced
State Street Corp763,351$35.5M0.00%+441,244+137.0%Added
Candriam Luxembourg S.C.A.757,327$35.3M0.23%+232,083+44.2%Added
Artal Group S.A.544,047$25.3M0.74%−450,000−45.3%Reduced
Octagon Capital Advisors LP450,776$21.0M4.08%+450,776New
Geode Capital Management, LLC373,788$17.4M0.00%+26,425+7.6%Added
Millennium Management LLC227,436$10.6M0.01%+227,436New
AXA S.A.218,971$10.2M0.03%+2,614+1.2%Added
Marshall Wace, LLP216,822$10.1M0.02%+160,265+283.4%Added
Citigroup Inc208,500$9.71M0.01%−204,972−49.6%Reduced
Two Sigma Investments, LP207,383$9.66M0.02%+39,613+23.6%Added
Northern Trust Corp185,634$8.64M0.00%+9,188+5.2%Added
Two Sigma Advisers, LP180,000$8.38M0.02%+62,400+53.1%Added
Adage Capital Partners GP, L.L.C.170,000$7.92M0.01%+75,000+78.9%Added
Morgan Stanley163,999$7.64M0.00%+7,391+4.7%Added
Nuveen Asset Management, LLC189,348$7.11M0.00%+82,799+77.7%Added
Baker Bros. Advisors LP150,346$7.00M0.03%00.0%Unchanged
Cormorant Asset Management, LP150,000$6.98M0.42%−138,330−48.0%Reduced
Hillsdale Investment Management Inc.146,500$6.82M0.46%+146,500New
Charles Schwab Investment Management Inc142,575$6.64M0.00%+2,057+1.5%Added
Silverarc Capital Management, LLC138,006$6.43M2.88%+21,075+18.0%Added
Dimensional Fund Advisors LP128,090$5.96M0.00%+79,441+163.3%Added
Parametric Portfolio Associates LLC123,974$5.77M0.00%+116,238+1,502.6%Added
Goldman Sachs Group Inc117,304$5.46M0.00%−57,980−33.1%Reduced
Wellington Management Group LLP106,846$4.97M0.00%−116,454−52.2%Reduced
Point72 Asset Management, L.P.105,030$4.89M0.02%+105,030New
Asymmetry Capital Management, L.P.104,755$4.88M2.59%+47,469+82.9%Added
Bank of New York Mellon Corp102,614$4.78M0.00%+31,154+43.6%Added
Federated Hermes, Inc.95,798$4.46M0.01%+95,798New
Bank of America Corp89,058$4.15M0.00%+66,694+298.2%Added
ExodusPoint Capital Management, LP81,511$3.79M0.05%+81,511New
Sectoral Asset Management Inc80,000$3.73M0.56%−193,700−70.8%Reduced
Susquehanna International Group, LLP76,850$3.58M0.01%+76,850New
EAM Investors, LLC65,707$3.06M0.50%+65,707New
JPMorgan Chase & Co58,682$2.73M0.00%+44,131+303.3%Added
Prudential Financial Inc56,630$2.64M0.00%+56,630New
Allspring Global Investments Holdings, LLC56,503$2.63M0.00%+56,503New
DAFNA Capital Management LLC54,090$2.52M0.63%−28,971−34.9%Reduced
Cubist Systematic Strategies, LLC53,507$2.49M0.02%+42,323+378.4%Added
Norges Bank52,500$2.44M0.00%+52,500New
Integral Health Asset Management, LLC50,000$2.33M0.65%+50,000New
American Century Companies Inc48,208$2.25M0.00%+48,208New
Invesco Ltd.46,967$2.19M0.00%+39,223+506.5%Added
Jacobs Levy Equity Management, Inc45,551$2.12M0.01%+45,551New
EAM Global Investors LLC43,493$2.02M0.36%+43,493New
Tekla Capital Management LLC42,362$1.97M0.06%00.0%Unchanged
Putnam Investments LLC42,309$1.97M0.00%+42,309New
Jump Financial, LLC41,900$1.95M0.12%+41,900New
Rafferty Asset Management, LLC40,316$1.88M0.01%+40,316New
Jackson Creek Investment Advisors LLC37,994$1.77M0.63%+37,994New
UBS Group AG37,756$1.76M0.00%+37,621+27,867.4%Added
HighVista Strategies LLC34,487$1.61M1.28%+34,487New
Walleye Capital LLC34,253$1.59M0.05%+34,253New
Renaissance Technologies LLC33,100$1.54M0.00%+33,100New
Swiss National Bank31,000$1.44M0.00%+31,000New
Corton Capital Inc.27,377$1.27M0.57%+27,377New
Rhumbline Advisers27,274$1.27M0.00%+504+1.9%Added
State of Wisconsin Investment Board26,900$1.25M0.00%+11,900+79.3%Added
Massachusetts Financial Services Co24,829$1.16M0.00%+24,829New
Vident Investment Advisory, LLC24,153$1.13M0.03%+24,153New
First Republic Investment Management, Inc.23,617$1.10M0.00%+23,617New
California State Teachers Retirement System22,796$1.06M0.00%+11,894+109.1%Added
STRS Ohio22,700$1.06M0.00%+11,800+108.3%Added
Cinctive Capital Management LP21,200$987.0K0.05%+21,200New
Perceptive Advisors LLC20,000$931.0K0.01%+20,000New
Man Group plc19,601$913.0K0.00%−7,301−27.1%Reduced
Susquehanna Fundamental Investments, LLC19,100$889.0K0.02%+8,010+72.2%Added
SEI Investments Co17,819$830.0K0.00%+17,819New
Alberta Investment Management Corp16,777$781.0K0.00%+16,777New
AlphaCentric Advisors LLC15,000$698.0K0.20%+15,000New
Jane Street Group, LLC14,853$692.0K0.00%+14,853New
Fifth Lane Capital, LP14,566$678.0K0.40%+14,566New
New York State Common Retirement Fund14,062$655.0K0.00%−42−0.3%Reduced
Cna Financial Corp12,575$585.0K0.15%−1,450−10.3%Reduced
Deutsche Bank AG12,269$571.0K0.00%−57,898−82.5%Reduced
Credit Suisse AG11,502$535.0K0.00%+11,502New
American International Group, Inc.10,733$500.0K0.00%−321−2.9%Reduced
Manufacturers Life Insurance Company, The10,725$499.0K0.00%−136−1.3%Reduced
Delphia (USA) Inc.10,631$495.0K0.53%+10,631New
DekaBank Deutsche Girozentrale10,300$475.0K0.00%+300+3.0%Added
ProShare Advisors LLC9,382$437.0K0.00%−728−7.2%Reduced
Healthcare of Ontario Pension Plan Trust Fund8,600$400.0K0.00%−103,700−92.3%Reduced
Wells Fargo & Company8,357$390.0K0.00%−51,544−86.0%Reduced
MetLife Investment Management7,999$372.4K0.00%00.0%Unchanged
Voya Investment Management LLC7,983$372.0K0.00%−308−3.7%Reduced
Acadian Asset Management LLC7,497$347.0K0.00%+7,497New
SG Americas Securities, LLC6,950$324.0K0.00%−7,265−51.1%Reduced
Verition Fund Management LLC6,435$300.0K0.00%+6,435New