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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 2023

Institutional positions in iTeos Therapeutics, Inc. as of Dec 31, 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
138
−4 vs. Q3 2023
Shares held
35.0M
−429.1K (−1.2%) vs. Q3 2023
Total value
$383.4M
−$4.70M (−1.2%) vs. Q3 2023
New holders
32
48 more added
Sold out
36
39 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 138 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 2023: $383.4M
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 2023

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding ITOS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of New York Mellon Corp124,151$1.36M0.00%−154,808−55.5%Reduced
Panagora Asset Management Inc124,511$1.36M0.01%−21,765−14.9%Reduced
Algert Global LLC128,860$1.41M0.06%+32,680+34.0%Added
Cubist Systematic Strategies, LLC134,002$1.47M0.02%+120,925+924.7%Added
FMR LLC141,542$1.55M0.00%+879+0.6%Added
Readystate Asset Management LP141,791$1.55M0.09%+36,100+34.2%Added
D. E. Shaw & Co., Inc.162,058$1.77M0.00%+47,600+41.6%Added
Nuveen Asset Management, LLC193,401$2.12M0.00%+133,501+222.9%Added
Charles Schwab Investment Management Inc201,550$2.21M0.00%−8,621−4.1%Reduced
Sectoral Asset Management Inc220,056$2.41M1.04%+64,981+41.9%Added
Vontobel Holding Ltd.220,056$2.41M0.02%+64,981+41.9%Added
Northern Trust Corp256,850$2.81M0.00%−20,385−7.4%Reduced
Susquehanna International Group, LLP285,318$3.12M0.01%+192,592+207.7%Added
Barclays PLC312,580$3.42M0.00%−9,742−3.0%Reduced
Prudential Financial Inc342,991$3.76M0.01%+91,290+36.3%Added
Citigroup Inc344,802$3.78M0.01%+258,468+299.4%Added
Ikarian Capital, LLC346,471$3.79M1.04%00.0%Unchanged
Artal Group S.A.400,000$4.38M0.15%00.0%Unchanged
Jacobs Levy Equity Management, Inc534,661$5.85M0.03%+74,949+16.3%Added
State Street Corp551,555$6.04M0.00%−1,029,938−65.1%Reduced
Geode Capital Management, LLC568,860$6.23M0.00%+36,773+6.9%Added
Renaissance Technologies LLC698,900$7.65M0.01%+304,900+77.4%Added
683 Capital Management, LLC715,000$7.83M0.78%−95,000−11.7%Reduced
Deerfield Management Company, L.P. (Series C)723,000$7.92M0.15%00.0%Unchanged
Goldman Sachs Group Inc742,068$8.13M0.00%+132,856+21.8%Added
Dimensional Fund Advisors LP773,143$8.47M0.00%+72,190+10.3%Added
Saturn V Capital Management LLC828,232$9.07M3.47%−166,524−16.7%Reduced
Millennium Management LLC967,402$10.6M0.01%−65,444−6.3%Reduced
EcoR1 Capital, LLC1,115,022$12.2M0.32%+1,115,022New
Citadel Advisors LLC1,129,788$12.4M0.01%+122,216+12.1%Added
Morgan Stanley1,131,493$12.4M0.00%+869,740+332.3%Added
BVF Inc1,259,476$13.8M0.35%00.0%Unchanged
Vanguard Group Inc1,490,942$16.3M0.00%−322,817−17.8%Reduced
MPM Oncology Impact Management LP1,745,943$19.1M4.47%00.0%Unchanged
Boxer Capital, LLC1,804,058$19.8M0.98%00.0%Unchanged
MPM Asset Management LLC2,738,785$30.0M14.74%00.0%Unchanged
BlackRock Inc.4,261,745$46.7M0.00%−789,223−15.6%Reduced
Ra Capital Management, L.P.4,417,259$48.4M0.76%00.0%Unchanged
Candriam Luxembourg S.C.A.0$00.00%−511,537−100.0%Sold out
Janus Henderson Group PLC0$00.00%−500,324−100.0%Sold out
Baker Bros. Advisors LP0$00.00%−150,346−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−105,554−100.0%Sold out
Octagon Capital Advisors LP0$00.00%−102,000−100.0%Sold out
Verition Fund Management LLC0$00.00%−94,824−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−85,189−100.0%Sold out
UBS Oconnor LLC0$00.00%−59,764−100.0%Sold out
Winton Group Ltd0$00.00%−33,433−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−32,728−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−32,200−100.0%Sold out
New York State Teachers Retirement System0$00.00%−27,200−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−24,223−100.0%Sold out
Texas Permanent School Fund0$00.00%−22,109−100.0%Sold out
Yousif Capital Management, LLC0$00.00%−21,143−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−20,000−100.0%Sold out
LMR Partners LLP0$00.00%−17,972−100.0%Sold out
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−17,702−100.0%Sold out
State of Alaska, Department of Revenue0$00.00%−16,485−100.0%Sold out
Profund Advisors LLC0$00.00%−15,429−100.0%Sold out
State of Tennessee, Treasury Department0$00.00%−14,260−100.0%Sold out
Louisiana State Employees Retirement System0$00.00%−13,500−100.0%Sold out
CI Private Wealth, LLC0$00.00%−12,889−100.0%Sold out
Syon Capital LLC0$00.00%−12,368−100.0%Sold out
Comerica Bank0$00.00%−12,243−100.0%Sold out
Guggenheim Capital LLC0$00.00%−11,861−100.0%Sold out
Oregon Public Employees Retirement Fund0$00.00%−7,915−100.0%Sold out
Teachers Retirement System of the State of Kentucky0$00.00%−6,573−100.0%Sold out
Quantbot Technologies LP0$00.00%−4,700−100.0%Sold out
Point72 Middle East FZE0$00.00%−2,239−100.0%Sold out
Amundi0$00.00%−1,799−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−921−100.0%Sold out
Fifth Third Bancorp0$00.00%−188−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−96−100.0%Sold out
Farmers & Merchants Investments Inc0$00.00%−14−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−11−100.0%Sold out
Virginia Retirement Systems Et Al––––Not filed
First Republic Investment Management, Inc.––––Not filed