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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 2021

Institutional positions in iTeos Therapeutics, Inc. as of Sep 30, 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
77
−6 vs. Q2 2021
Shares held
31.2M
+1.69M (+5.7%) vs. Q2 2021
Total value
$841.3M
+$85.5M (+11.3%) vs. Q2 2021
New holders
12
27 more added
Sold out
18
25 more reduced

Compare with Q2 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 holdersQ3 2021: 77 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 2021: $841.3M
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 2021

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q2 2021.

Institutions holding ITOS in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,417,259$119.3M1.65%00.0%Unchanged
Boxer Capital, LLC4,345,016$117.3M4.10%00.0%Unchanged
MPM Asset Management LLC3,290,711$88.8M20.59%−375,076−10.2%Reduced
RTW Investments, LP2,353,015$63.5M0.96%+636,430+37.1%Added
MPM Oncology Impact Management LP2,107,092$56.9M8.82%−231,489−9.9%Reduced
BlackRock Inc.1,558,236$42.1M0.00%+41,498+2.7%Added
Alliancebernstein L.P.1,335,081$36.0M0.01%−19,997−1.5%Reduced
EcoR1 Capital, LLC1,303,157$35.2M1.24%+267,293+25.8%Added
Artal Group S.A.994,047$26.8M0.66%00.0%Unchanged
Rubric Capital Management LP988,683$26.7M1.54%+988,683New
Citadel Advisors LLC975,418$26.3M0.03%−18,978−1.9%Reduced
Tang Capital Management LLC900,000$24.3M5.05%+680,604+310.2%Added
FMR LLC805,081$21.7M0.00%−5,700−0.7%Reduced
Vanguard Group Inc619,031$16.7M0.00%+104,056+20.2%Added
Candriam Luxembourg S.C.A.525,244$14.2M0.10%+20,354+4.0%Added
Citigroup Inc413,472$11.2M0.01%−19,012−4.4%Reduced
Geode Capital Management, LLC347,363$9.38M0.00%+63,385+22.3%Added
State Street Corp322,107$8.70M0.00%+3,938+1.2%Added
Cormorant Asset Management, LP288,330$7.79M0.32%00.0%Unchanged
Sectoral Asset Management Inc273,700$7.39M0.61%+266,000+3,454.5%Added
Wellington Management Group LLP223,300$6.03M0.00%00.0%Unchanged
AXA S.A.216,357$5.84M0.02%+7,969+3.8%Added
683 Capital Management, LLC200,413$5.41M0.28%+200,413New
Northern Trust Corp176,446$4.76M0.00%+3,843+2.2%Added
Goldman Sachs Group Inc175,284$4.73M0.00%+54,010+44.5%Added
Two Sigma Investments, LP167,770$4.53M0.01%+66,646+65.9%Added
Morgan Stanley156,608$4.23M0.00%+65,256+71.4%Added
Baker Bros. Advisors LP150,346$4.06M0.02%00.0%Unchanged
Charles Schwab Investment Management Inc140,518$3.79M0.00%+43,432+44.7%Added
Two Sigma Advisers, LP117,600$3.17M0.01%+78,900+203.9%Added
Silverarc Capital Management, LLC116,931$3.16M1.83%+41,420+54.9%Added
Nuveen Asset Management, LLC106,549$3.06M0.00%−1,763−1.6%Reduced
Healthcare of Ontario Pension Plan Trust Fund112,300$3.03M0.01%−20,300−15.3%Reduced
Adage Capital Partners GP, L.L.C.95,000$2.56M0.01%+38,107+67.0%Added
DAFNA Capital Management LLC83,061$2.24M0.60%+83,061New
Bank of New York Mellon Corp71,460$1.93M0.00%+13,330+22.9%Added
Deutsche Bank AG70,167$1.90M0.00%−417−0.6%Reduced
Wells Fargo & Company59,901$1.62M0.00%+59,685+27,631.9%Added
Asymmetry Capital Management, L.P.57,286$1.55M0.93%−3,962−6.5%Reduced
Marshall Wace, LLP56,557$1.53M0.01%−86,372−60.4%Reduced
Dimensional Fund Advisors LP48,649$1.31M0.00%+48,649New
Tekla Capital Management LLC42,362$1.14M0.04%+42,362New
Marshall Wace North America L.P.31,976$863.0K0.00%−179,119−84.9%Reduced
Man Group plc26,902$726.0K0.00%+3,624+15.6%Added
Rhumbline Advisers26,770$723.0K0.00%+610+2.3%Added
Bank of America Corp22,364$604.0K0.00%+14,448+182.5%Added
State of Wisconsin Investment Board15,000$405.0K0.00%00.0%Unchanged
JPMorgan Chase & Co14,551$393.0K0.00%+2,567+21.4%Added
Mirabella Financial Services LLP14,280$386.0K0.05%+14,280New
SG Americas Securities, LLC14,215$384.0K0.00%+14,215New
New York State Common Retirement Fund14,104$381.0K0.00%−3,660−20.6%Reduced
Cna Financial Corp14,025$379.0K0.10%00.0%Unchanged
Cubist Systematic Strategies, LLC11,184$302.0K0.00%−14,031−55.6%Reduced
Susquehanna Fundamental Investments, LLC11,090$299.0K0.01%+11,090New
American International Group, Inc.11,054$298.0K0.00%−263−2.3%Reduced
California State Teachers Retirement System10,902$294.0K0.00%−16,968−60.9%Reduced
STRS Ohio10,900$294.0K0.00%+10,900New
Manufacturers Life Insurance Company, The10,861$293.0K0.00%−900−7.7%Reduced
ProShare Advisors LLC10,110$273.0K0.00%−1,437−12.4%Reduced
Boothbay Fund Management, LLC9,888$267.0K0.01%+778+8.5%Added
DekaBank Deutsche Girozentrale10,000$256.0K0.00%00.0%Unchanged
Voya Investment Management LLC8,291$224.0K0.00%00.0%Unchanged
MetLife Investment Management7,999$216.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC7,731$209.0K0.09%−403−5.0%Reduced
Invesco Ltd.7,744$209.0K0.00%+7,744New
Parametric Portfolio Associates LLC7,736$209.0K0.00%+7,736New
Metropolitan Life Insurance Co6,044$163.2K0.00%−610−9.2%Reduced
Royal Bank of Canada2,164$59.0K0.00%−310−12.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)1,756$47.0K0.00%−1−0.1%Reduced
Legal & General Group Plc1,623$44.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,605$43.0K0.00%00.0%Unchanged
Penserra Capital Management LLC805$21.0K0.00%+5+0.6%Added
Tower Research Capital LLC (TRC)563$15.0K0.00%−661−54.0%Reduced
UBS Group AG135$4.00K0.00%−2,749−95.3%Reduced
Daiwa Securities Group Inc.121$3.00K0.00%+55+83.3%Added
US Bancorp115$3.00K0.00%+115New
State of Wyoming9$00.00%−4−30.8%Reduced
Janus Henderson Group PLC0$00.00%−1,056,545−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−26,939−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−26,205−100.0%Sold out
Trexquant Investment LP0$00.00%−25,778−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−25,485−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−25,000−100.0%Sold out
Squarepoint Ops LLC0$00.00%−23,504−100.0%Sold out
Jump Financial, LLC0$00.00%−19,658−100.0%Sold out
Parkwood LLC0$00.00%−18,859−100.0%Sold out
HRT Financial LP0$00.00%−14,315−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−13,399−100.0%Sold out
Millennium Management LLC0$00.00%−10,389−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−9,560−100.0%Sold out
Chicago Partners Investment Group LLC0$00.00%−9,325−100.0%Sold out
Principal Financial Group Inc0$00.00%−8,090−100.0%Sold out
FORA Capital, LLC0$00.00%−3,740−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−1,000−100.0%Sold out
Signaturefd, LLC0$00.00%−30−100.0%Sold out