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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
Ra Capital Management, L.P.4,417,259$48.4M0.76%00.0%Unchanged
BlackRock Inc.4,261,745$46.7M0.00%−789,223−15.6%Reduced
MPM Asset Management LLC2,738,785$30.0M14.74%00.0%Unchanged
Boxer Capital, LLC1,804,058$19.8M0.98%00.0%Unchanged
MPM Oncology Impact Management LP1,745,943$19.1M4.47%00.0%Unchanged
Vanguard Group Inc1,490,942$16.3M0.00%−322,817−17.8%Reduced
BVF Inc1,259,476$13.8M0.35%00.0%Unchanged
Morgan Stanley1,131,493$12.4M0.00%+869,740+332.3%Added
Citadel Advisors LLC1,129,788$12.4M0.01%+122,216+12.1%Added
EcoR1 Capital, LLC1,115,022$12.2M0.32%+1,115,022New
Millennium Management LLC967,402$10.6M0.01%−65,444−6.3%Reduced
Saturn V Capital Management LLC828,232$9.07M3.47%−166,524−16.7%Reduced
Dimensional Fund Advisors LP773,143$8.47M0.00%+72,190+10.3%Added
Goldman Sachs Group Inc742,068$8.13M0.00%+132,856+21.8%Added
Deerfield Management Company, L.P. (Series C)723,000$7.92M0.15%00.0%Unchanged
683 Capital Management, LLC715,000$7.83M0.78%−95,000−11.7%Reduced
Renaissance Technologies LLC698,900$7.65M0.01%+304,900+77.4%Added
Geode Capital Management, LLC568,860$6.23M0.00%+36,773+6.9%Added
State Street Corp551,555$6.04M0.00%−1,029,938−65.1%Reduced
Jacobs Levy Equity Management, Inc534,661$5.85M0.03%+74,949+16.3%Added
Artal Group S.A.400,000$4.38M0.15%00.0%Unchanged
Ikarian Capital, LLC346,471$3.79M1.04%00.0%Unchanged
Citigroup Inc344,802$3.78M0.01%+258,468+299.4%Added
Prudential Financial Inc342,991$3.76M0.01%+91,290+36.3%Added
Barclays PLC312,580$3.42M0.00%−9,742−3.0%Reduced
Susquehanna International Group, LLP285,318$3.12M0.01%+192,592+207.7%Added
Northern Trust Corp256,850$2.81M0.00%−20,385−7.4%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
Charles Schwab Investment Management Inc201,550$2.21M0.00%−8,621−4.1%Reduced
Nuveen Asset Management, LLC193,401$2.12M0.00%+133,501+222.9%Added
D. E. Shaw & Co., Inc.162,058$1.77M0.00%+47,600+41.6%Added
Readystate Asset Management LP141,791$1.55M0.09%+36,100+34.2%Added
FMR LLC141,542$1.55M0.00%+879+0.6%Added
Cubist Systematic Strategies, LLC134,002$1.47M0.02%+120,925+924.7%Added
Algert Global LLC128,860$1.41M0.06%+32,680+34.0%Added
Panagora Asset Management Inc124,511$1.36M0.01%−21,765−14.9%Reduced
Bank of New York Mellon Corp124,151$1.36M0.00%−154,808−55.5%Reduced
Bridgeway Capital Management, LLC121,230$1.33M0.03%−55,580−31.4%Reduced
Empowered Funds, LLC121,230$1.33M0.03%+10,920+9.9%Added
Susquehanna Portfolio Strategies, LLC103,120$1.13M0.02%+103,120New
Squarepoint Ops LLC100,799$1.10M0.00%+75,591+299.9%Added
DAFNA Capital Management LLC98,560$1.08M0.26%00.0%Unchanged
AQR Capital Management LLC94,000$1.03M0.00%+34,620+58.3%Added
Group One Trading, L.P.85,728$938.7K0.03%+85,728New
Qube Research & Technologies Ltd82,781$906.5K0.00%+82,781New
Victory Capital Management Inc79,793$873.7K0.00%−19,340−19.5%Reduced
Massachusetts Financial Services Co75,846$830.5K0.00%−2,397−3.1%Reduced
Boothbay Fund Management, LLC75,699$828.9K0.03%+1,720+2.3%Added
Ameriprise Financial Inc72,720$796.3K0.00%−60,499−45.4%Reduced
Bank of America Corp64,678$708.2K0.00%−38,797−37.5%Reduced
ExodusPoint Capital Management, LP63,550$696.0K0.01%+41,555+188.9%Added
Trexquant Investment LP61,658$675.2K0.02%+28,109+83.8%Added
HRT Financial LP58,616$641.0K0.00%+58,616New
Jump Financial, LLC58,056$635.7K0.02%+58,056New
HSBC Holdings PLC55,956$611.0K0.00%+42,886+328.1%Added
Laurion Capital Management LP50,121$548.8K0.02%+50,121New
Dynamic Technology Lab Private Ltd47,461$520.0K0.05%+37,080+357.2%Added
Gsa Capital Partners LLP47,432$519.0K0.04%+47,432New
Swiss National Bank45,900$502.6K0.00%−4,700−9.3%Reduced
UBS Group AG45,284$495.9K0.00%+22,158+95.8%Added
State of Wisconsin Investment Board44,804$490.6K0.00%−9,099−16.9%Reduced
UBS Asset Management Americas Inc43,255$473.6K0.00%00.0%Unchanged
Rhumbline Advisers40,194$440.1K0.00%−28,803−41.7%Reduced
Russell Investments Group, Ltd.39,508$432.6K0.00%+15,757+66.3%Added
Public Employees Retirement System of Ohio37,186$407.2K0.00%+13,207+55.1%Added
Invesco Ltd.37,033$405.5K0.00%−170,132−82.1%Reduced
Alliancebernstein L.P.35,320$386.8K0.00%00.0%Unchanged
Putnam Investments LLC34,904$382.2K0.00%+34,904New
Fox Run Management, L.L.C.27,757$303.9K0.08%+27,757New
Two Sigma Investments, LP27,217$298.0K0.00%+27,217New
American Century Companies Inc26,804$293.5K0.00%−24,751−48.0%Reduced
Credit Suisse AG26,661$291.9K0.00%+7,756+41.0%Added
Y-Intercept (Hong Kong) Ltd26,430$289.4K0.03%−50.0%Reduced
Alps Advisors Inc25,196$275.9K0.00%−1,230−4.7%Reduced
California State Teachers Retirement System24,780$271.3K0.00%−1,242−4.8%Reduced
Jane Street Group, LLC23,933$262.1K0.00%+12,990+118.7%Added
Deutsche Bank AG23,289$255.0K0.00%−1,342−5.4%Reduced
JPMorgan Chase & Co23,252$254.6K0.00%−449−1.9%Reduced
Jupiter Asset Management Ltd23,133$253.3K0.00%−7,573−24.7%Reduced
Brevan Howard Capital Management LP22,705$248.6K0.03%+22,705New
Voya Investment Management LLC22,184$242.9K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC18,412$201.6K0.00%+17,973+4,094.1%Added
Creative Planning18,198$199.3K0.00%+18,198New
Tudor Investment Corp Et Al17,635$193.1K0.00%00.0%Unchanged
NinePointTwo Capital17,677$193.0K0.08%00.0%Unchanged
Tower Research Capital LLC (TRC)16,637$182.2K0.00%+13,989+528.3%Added
Legal & General Group Plc16,460$180.2K0.00%−48,014−74.5%Reduced
Principal Financial Group Inc16,430$179.9K0.00%−135,912−89.2%Reduced
SG Americas Securities, LLC14,750$162.0K0.00%+14,750New
Aristides Capital LLC14,360$157.2K0.08%+14,360New
Graham Capital Management, L.P.14,276$156.3K0.00%+14,276New
Occudo Quantitative Strategies LP14,073$154.1K0.02%+14,073New
Cornercap Investment Counsel Inc13,240$145.0K0.02%+52+0.4%Added
MetLife Investment Management12,678$138.8K0.00%00.0%Unchanged
American International Group, Inc.12,318$134.9K0.00%−1,361−9.9%Reduced
Corton Capital Inc.12,152$133.1K0.04%+12,152New
Engineers Gate Manager LP11,880$130.1K0.00%+11,880New
Exchange Traded Concepts, LLC11,379$124.6K0.00%+2,885+34.0%Added
Mirae Asset Global Investments Co., Ltd.11,129$121.9K0.00%−2,685−19.4%Reduced