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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 2024

Institutional positions in iTeos Therapeutics, Inc. as of Mar 31, 2024. 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
136
0 vs. Q4 2023
Shares held
34.6M
−407.5K (−1.2%) vs. Q4 2023
Total value
$471.2M
+$88.4M (+23.1%) vs. Q4 2023
New holders
19
34 more added
Sold out
19
55 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 136 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 2024: $471.2M
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 2024

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding ITOS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Cubist Systematic Strategies, LLC103,981$1.42M0.02%−30,021−22.4%Reduced
Bank of New York Mellon Corp115,841$1.58M0.00%−8,310−6.7%Reduced
Panagora Asset Management Inc120,766$1.65M0.01%−3,745−3.0%Reduced
Algert Global LLC127,270$1.74M0.07%−1,590−1.2%Reduced
Sectoral Asset Management Inc133,966$1.83M0.72%−86,090−39.1%Reduced
D. E. Shaw & Co., Inc.136,720$1.86M0.00%−25,338−15.6%Reduced
Kennedy Capital Management, Inc.145,734$1.99M0.04%+145,734New
Readystate Asset Management LP186,902$2.55M0.09%+45,111+31.8%Added
Charles Schwab Investment Management Inc205,865$2.81M0.00%+4,315+2.1%Added
Eagle Asset Management Inc233,584$3.12M0.02%+233,584New
Prudential Financial Inc241,891$3.30M0.00%−101,100−29.5%Reduced
Acadian Asset Management LLC244,712$3.34M0.01%+244,712New
Northern Trust Corp249,802$3.41M0.00%−7,048−2.7%Reduced
Citigroup Inc295,984$4.04M0.00%−48,818−14.2%Reduced
Barclays PLC346,419$4.73M0.00%+33,839+10.8%Added
Nuveen Asset Management, LLC371,101$5.06M0.00%+177,700+91.9%Added
Saturn V Capital Management LLC387,095$5.28M2.12%−441,137−53.3%Reduced
Jacobs Levy Equity Management, Inc504,545$6.88M0.03%−30,116−5.6%Reduced
State Street Corp577,545$7.88M0.00%+25,990+4.7%Added
Geode Capital Management, LLC583,520$7.96M0.00%+14,660+2.6%Added
683 Capital Management, LLC715,000$9.75M0.99%00.0%Unchanged
Goldman Sachs Group Inc716,257$9.77M0.00%−25,811−3.5%Reduced
Renaissance Technologies LLC717,300$9.78M0.02%+18,400+2.6%Added
Deerfield Management Company, L.P. (Series C)723,000$9.86M0.17%00.0%Unchanged
Dimensional Fund Advisors LP791,170$10.8M0.00%+18,027+2.3%Added
Millennium Management LLC882,981$12.0M0.01%−84,421−8.7%Reduced
Braidwell LP1,162,374$15.9M0.51%+1,162,374New
Citadel Advisors LLC1,168,664$15.9M0.02%+38,876+3.4%Added
Vanguard Group Inc1,500,602$20.5M0.00%+9,660+0.6%Added
Morgan Stanley1,632,356$22.3M0.00%+500,863+44.3%Added
MPM Oncology Impact Management LP1,745,943$23.8M3.83%00.0%Unchanged
Boxer Capital, LLC1,804,058$24.6M1.22%00.0%Unchanged
EcoR1 Capital, LLC1,999,249$27.3M0.69%+884,227+79.3%Added
MPM Asset Management LLC2,738,785$37.4M15.24%00.0%Unchanged
BlackRock Inc.4,114,820$56.1M0.00%−146,925−3.4%Reduced
Ra Capital Management, L.P.4,417,259$60.3M0.77%00.0%Unchanged
BVF Inc0$00.00%−1,259,476−100.0%Sold out
Artal Group S.A.0$00.00%−400,000−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−220,056−100.0%Sold out
Jump Financial, LLC0$00.00%−58,056−100.0%Sold out
Laurion Capital Management LP0$00.00%−50,121−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−47,461−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−44,804−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−26,430−100.0%Sold out
Jane Street Group, LLC0$00.00%−23,933−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−22,705−100.0%Sold out
Principal Financial Group Inc0$00.00%−16,430−100.0%Sold out
Aristides Capital LLC0$00.00%−14,360−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−14,276−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−14,073−100.0%Sold out
Corton Capital Inc.0$00.00%−12,152−100.0%Sold out
Engineers Gate Manager LP0$00.00%−11,880−100.0%Sold out
Man Group plc0$00.00%−10,005−100.0%Sold out
Simplex Trading, LLC0$00.00%−6,426−100.0%Sold out
AJOVista, LLC0$00.00%−5,233−100.0%Sold out
Putnam Investments LLC––––Not filed
NinePointTwo Capital––––Not filed