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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
Ra Capital Management, L.P.4,417,259$60.3M0.77%00.0%Unchanged
BlackRock Inc.4,114,820$56.1M0.00%−146,925−3.4%Reduced
MPM Asset Management LLC2,738,785$37.4M15.24%00.0%Unchanged
EcoR1 Capital, LLC1,999,249$27.3M0.69%+884,227+79.3%Added
Boxer Capital, LLC1,804,058$24.6M1.22%00.0%Unchanged
MPM Oncology Impact Management LP1,745,943$23.8M3.83%00.0%Unchanged
Morgan Stanley1,632,356$22.3M0.00%+500,863+44.3%Added
Vanguard Group Inc1,500,602$20.5M0.00%+9,660+0.6%Added
Citadel Advisors LLC1,168,664$15.9M0.02%+38,876+3.4%Added
Braidwell LP1,162,374$15.9M0.51%+1,162,374New
Millennium Management LLC882,981$12.0M0.01%−84,421−8.7%Reduced
Dimensional Fund Advisors LP791,170$10.8M0.00%+18,027+2.3%Added
Deerfield Management Company, L.P. (Series C)723,000$9.86M0.17%00.0%Unchanged
Renaissance Technologies LLC717,300$9.78M0.02%+18,400+2.6%Added
Goldman Sachs Group Inc716,257$9.77M0.00%−25,811−3.5%Reduced
683 Capital Management, LLC715,000$9.75M0.99%00.0%Unchanged
Geode Capital Management, LLC583,520$7.96M0.00%+14,660+2.6%Added
State Street Corp577,545$7.88M0.00%+25,990+4.7%Added
Jacobs Levy Equity Management, Inc504,545$6.88M0.03%−30,116−5.6%Reduced
Saturn V Capital Management LLC387,095$5.28M2.12%−441,137−53.3%Reduced
Nuveen Asset Management, LLC371,101$5.06M0.00%+177,700+91.9%Added
Barclays PLC346,419$4.73M0.00%+33,839+10.8%Added
Citigroup Inc295,984$4.04M0.00%−48,818−14.2%Reduced
Northern Trust Corp249,802$3.41M0.00%−7,048−2.7%Reduced
Acadian Asset Management LLC244,712$3.34M0.01%+244,712New
Prudential Financial Inc241,891$3.30M0.00%−101,100−29.5%Reduced
Eagle Asset Management Inc233,584$3.12M0.02%+233,584New
Charles Schwab Investment Management Inc205,865$2.81M0.00%+4,315+2.1%Added
Readystate Asset Management LP186,902$2.55M0.09%+45,111+31.8%Added
Kennedy Capital Management, Inc.145,734$1.99M0.04%+145,734New
D. E. Shaw & Co., Inc.136,720$1.86M0.00%−25,338−15.6%Reduced
Sectoral Asset Management Inc133,966$1.83M0.72%−86,090−39.1%Reduced
Algert Global LLC127,270$1.74M0.07%−1,590−1.2%Reduced
Panagora Asset Management Inc120,766$1.65M0.01%−3,745−3.0%Reduced
Bank of New York Mellon Corp115,841$1.58M0.00%−8,310−6.7%Reduced
Cubist Systematic Strategies, LLC103,981$1.42M0.02%−30,021−22.4%Reduced
Susquehanna Portfolio Strategies, LLC101,775$1.39M0.03%−1,345−1.3%Reduced
Ikarian Capital, LLC101,325$1.38M0.38%−245,146−70.8%Reduced
DAFNA Capital Management LLC98,560$1.34M0.31%00.0%Unchanged
Victory Capital Management Inc93,760$1.28M0.00%+13,967+17.5%Added
AQR Capital Management LLC86,168$1.18M0.00%−7,832−8.3%Reduced
Wellington Management Group LLP85,854$1.17M0.00%+85,854New
Invesco Ltd.84,559$1.15M0.00%+47,526+128.3%Added
J. Goldman & Co LP82,153$1.12M0.05%+82,153New
Two Sigma Investments, LP80,052$1.09M0.00%+52,835+194.1%Added
Ameriprise Financial Inc78,784$1.07M0.00%+6,064+8.3%Added
Massachusetts Financial Services Co75,678$1.03M0.00%−168−0.2%Reduced
UBS Group AG59,094$806.0K0.00%+13,810+30.5%Added
Squarepoint Ops LLC58,437$797.1K0.00%−42,362−42.0%Reduced
Bridgeway Capital Management, LLC57,917$790.0K0.02%−63,313−52.2%Reduced
Empowered Funds, LLC57,917$790.0K0.01%−63,313−52.2%Reduced
Bank of America Corp55,747$760.4K0.00%−8,931−13.8%Reduced
HRT Financial LP50,936$694.0K0.00%−7,680−13.1%Reduced
Swiss National Bank45,900$626.1K0.00%00.0%Unchanged
UBS Asset Management Americas Inc43,255$590.0K0.00%00.0%Unchanged
HSBC Holdings PLC42,563$580.6K0.00%−13,393−23.9%Reduced
Rhumbline Advisers41,348$564.0K0.00%+1,154+2.9%Added
Russell Investments Group, Ltd.39,131$533.7K0.00%−377−1.0%Reduced
Public Employees Retirement System of Ohio39,003$532.0K0.00%+1,817+4.9%Added
Qube Research & Technologies Ltd37,306$508.9K0.00%−45,475−54.9%Reduced
American Century Companies Inc36,605$499.3K0.00%+9,801+36.6%Added
Franklin Resources Inc36,438$497.0K0.00%+36,438New
Catalyst Funds Management Pty Ltd33,700$459.7K0.13%+33,700New
Alliancebernstein L.P.31,830$434.2K0.00%−3,490−9.9%Reduced
Los Angeles Capital Management LLC29,398$401.0K0.00%+29,398New
Credit Suisse AG26,661$363.7K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC26,555$362.2K0.01%+15,176+133.4%Added
Trexquant Investment LP25,886$353.1K0.01%−35,772−58.0%Reduced
Alps Advisors Inc25,284$344.9K0.00%+88+0.3%Added
Susquehanna International Group, LLP25,203$343.8K0.00%−260,115−91.2%Reduced
Lighthouse Investment Partners, LLC24,473$333.8K0.02%+24,473New
Deutsche Bank AG23,678$323.0K0.00%+389+1.7%Added
Boothbay Fund Management, LLC23,557$321.3K0.01%−52,142−68.9%Reduced
California State Teachers Retirement System23,393$319.1K0.00%−1,387−5.6%Reduced
Jupiter Asset Management Ltd23,133$315.5K0.00%00.0%Unchanged
LMR Partners LLP22,972$313.3K0.01%+22,972New
Creative Planning20,642$281.6K0.00%+2,444+13.4%Added
Allianz Asset Management GmbH20,542$280.2K0.00%+20,542New
Voya Investment Management LLC20,312$277.1K0.00%−1,872−8.4%Reduced
K2 Principal Fund, L.P.20,000$272.8K0.07%+20,000New
JPMorgan Chase & Co17,758$242.2K0.00%−5,494−23.6%Reduced
Tudor Investment Corp Et Al17,635$240.5K0.00%00.0%Unchanged
Prelude Capital Management, LLC17,428$237.7K0.02%+17,428New
Legal & General Group Plc16,460$224.5K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP16,156$220.0K0.00%−47,394−74.6%Reduced
Gsa Capital Partners LLP15,451$211.0K0.02%−31,981−67.4%Reduced
Fox Run Management, L.L.C.14,844$202.5K0.04%−12,913−46.5%Reduced
Cornercap Investment Counsel Inc13,240$180.6K0.03%00.0%Unchanged
MetLife Investment Management12,678$172.9K0.00%00.0%Unchanged
American International Group, Inc.12,213$166.6K0.00%−105−0.9%Reduced
Mirae Asset Global Investments Co., Ltd.11,298$157.2K0.00%+169+1.5%Added
Manufacturers Life Insurance Company, The10,381$141.6K0.00%+85+0.8%Added
Wells Fargo & Company10,031$136.8K0.00%+2,358+30.7%Added
Tower Research Capital LLC (TRC)9,870$134.6K0.00%−6,767−40.7%Reduced
Allspring Global Investments Holdings, LLC9,767$133.2K0.00%−8,645−47.0%Reduced
SG Americas Securities, LLC9,614$131.0K0.00%−5,136−34.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)8,826$120.4K0.00%00.0%Unchanged
Virtus ETF Advisers LLC8,046$109.7K0.06%−550−6.4%Reduced
Group One Trading, L.P.6,944$94.7K0.00%−78,784−91.9%Reduced
China Universal Asset Management Co., Ltd.6,877$93.8K0.01%+2,737+66.1%Added