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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 2023

Institutional positions in iTeos Therapeutics, Inc. as of Mar 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
153
+8 vs. Q4 2022
Shares held
36.0M
−203.9K (−0.6%) vs. Q4 2022
Total value
$488.9M
−$218.1M (−30.9%) vs. Q4 2022
New holders
25
45 more added
Sold out
17
57 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 153 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 2023: $488.9M
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 2023

Shares, value and share of portfolio for each institution holding iTeos Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding ITOS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,463,306$60.7M0.00%−16,115−0.4%Reduced
Ra Capital Management, L.P.4,417,259$60.1M1.36%00.0%Unchanged
MPM Asset Management LLC2,738,785$37.3M15.53%00.0%Unchanged
Boxer Capital, LLC2,154,058$29.3M1.44%00.0%Unchanged
State Street Corp1,827,391$24.9M0.00%+90,101+5.2%Added
BVF Inc1,810,835$24.6M0.90%00.0%Unchanged
Vanguard Group Inc1,772,989$24.1M0.00%−46,041−2.5%Reduced
MPM Oncology Impact Management LP1,745,943$23.8M6.17%00.0%Unchanged
Citadel Advisors LLC1,443,500$19.6M0.02%+88,073+6.5%Added
Candriam Luxembourg S.C.A.739,517$9.26M0.06%00.0%Unchanged
Octagon Capital Advisors LP596,000$8.11M1.17%+151,000+33.9%Added
Invesco Ltd.588,561$8.01M0.00%−20,039−3.3%Reduced
Morgan Stanley563,214$7.67M0.00%−283,645−33.5%Reduced
Millennium Management LLC528,272$7.19M0.01%−346,208−39.6%Reduced
JPMorgan Chase & Co526,157$7.16M0.00%−57,801−9.9%Reduced
Jacobs Levy Equity Management, Inc514,925$7.01M0.04%+11,395+2.3%Added
Geode Capital Management, LLC481,239$6.55M0.00%+9,731+2.1%Added
Saturn V Capital Management LLC480,653$6.54M4.89%+138,582+40.5%Added
683 Capital Management, LLC480,000$6.53M0.58%+330,000+220.0%Added
Goldman Sachs Group Inc438,109$5.96M0.00%+11,598+2.7%Added
Dimensional Fund Advisors LP415,606$5.66M0.00%+250,455+151.7%Added
Artal Group S.A.400,000$5.44M0.32%00.0%Unchanged
Renaissance Technologies LLC329,900$4.49M0.01%+12,800+4.0%Added
Citigroup Inc288,885$3.93M0.01%+54,589+23.3%Added
Bridgeway Capital Management, LLC266,945$3.63M0.10%+23,445+9.6%Added
Bank of New York Mellon Corp261,955$3.57M0.00%−12,418−4.5%Reduced
Barclays PLC256,956$3.50M0.00%+1,995+0.8%Added
Northern Trust Corp252,019$3.43M0.00%−1,668−0.7%Reduced
AXA S.A.218,600$2.98M0.01%−496−0.2%Reduced
Tang Capital Management LLC216,700$2.95M0.44%00.0%Unchanged
FMR LLC212,715$2.90M0.00%−142,283−40.1%Reduced
Charles Schwab Investment Management Inc182,966$2.49M0.00%+477+0.3%Added
Integral Health Asset Management, LLC180,000$2.45M0.51%−90,000−33.3%Reduced
AQR Capital Management LLC176,822$2.41M0.01%−25,521−12.6%Reduced
Bank of America Corp157,630$2.15M0.00%−314,885−66.6%Reduced
Prudential Financial Inc157,361$2.14M0.00%+11,300+7.7%Added
Principal Financial Group Inc155,157$2.11M0.00%−3,331−2.1%Reduced
Baker Bros. Advisors LP150,346$2.05M0.01%00.0%Unchanged
Wellington Management Group LLP148,594$2.02M0.00%−1,953−1.3%Reduced
Ameriprise Financial Inc138,640$1.89M0.00%+16,653+13.7%Added
Panagora Asset Management Inc116,734$1.59M0.01%+66,303+131.5%Added
Rafferty Asset Management, LLC114,050$1.55M0.01%+11,384+11.1%Added
LMR Partners LLP112,919$1.54M0.03%+82,700+273.7%Added
Los Angeles Capital Management LLC107,222$1.46M0.01%+19,024+21.6%Added
American Century Companies Inc110,290$1.45M0.00%−62,416−36.1%Reduced
DAFNA Capital Management LLC98,560$1.34M0.40%00.0%Unchanged
Nuveen Asset Management, LLC97,282$1.32M0.00%+7,854+8.8%Added
Sectoral Asset Management Inc88,373$1.20M0.23%+30,611+53.0%Added
Vontobel Holding Ltd.88,373$1.20M0.01%+30,611+53.0%Added
Victory Capital Management Inc84,449$1.15M0.00%+20,857+32.8%Added
Massachusetts Financial Services Co83,154$1.13M0.00%−40,708−32.9%Reduced
Deutsche Bank AG81,221$1.11M0.00%+7,216+9.8%Added
D. E. Shaw & Co., Inc.72,666$989.0K0.00%+5,653+8.4%Added
Janus Henderson Group PLC72,246$983.0K0.00%+27,586+61.8%Added
UBS Oconnor LLC69,300$943.2K0.02%+69,300New
AlphaCentric Advisors LLC63,000$857.4K0.59%+63,000New
Rhumbline Advisers61,247$834.0K0.00%+3,025+5.2%Added
Legal & General Group Plc58,125$791.1K0.00%−940−1.6%Reduced
Marshall Wace, LLP55,009$748.7K0.00%+55,009New
Squarepoint Ops LLC54,115$736.5K0.01%+54,115New
Susquehanna International Group, LLP51,243$697.4K0.00%+10,996+27.3%Added
Jupiter Asset Management Ltd48,921$663.9K0.01%−9,318−16.0%Reduced
Cubist Systematic Strategies, LLC46,448$632.2K0.01%+46,448New
Tekla Capital Management LLC45,735$622.5K0.02%+45,735New
State of Wisconsin Investment Board43,769$595.7K0.00%+25,128+134.8%Added
UBS Group AG43,647$594.0K0.00%−47,218−52.0%Reduced
Public Sector Pension Investment Board43,172$587.6K0.00%−1,822−4.0%Reduced
Swiss National Bank42,200$574.3K0.00%−5,000−10.6%Reduced
Virginia Retirement Systems Et Al39,900$543.0K0.01%−4,100−9.3%Reduced
Boothbay Fund Management, LLC35,652$485.2K0.01%+35,652New
STRS Ohio34,700$472.0K0.00%+5,700+19.7%Added
Vident Investment Advisory, LLC32,887$447.6K0.01%−1,134−3.3%Reduced
Prairiewood Capital, LLC32,269$439.2K0.30%00.0%Unchanged
New York State Common Retirement Fund31,319$426.3K0.00%−16,083−33.9%Reduced
Caxton Associates LP30,695$417.8K0.07%+30,695New
Allianz Asset Management GmbH30,179$410.7K0.00%+30,179New
New York State Teachers Retirement System29,417$400.0K0.00%+300+1.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys25,991$353.7K0.00%−280−1.1%Reduced
California State Teachers Retirement System25,937$353.0K0.00%−455−1.7%Reduced
Alliancebernstein L.P.25,300$344.3K0.00%−3,622−12.5%Reduced
UBS Asset Management Americas Inc25,161$342.4K0.00%+4,024+19.0%Added
Russell Investments Group, Ltd.24,911$339.0K0.00%−281−1.1%Reduced
Wells Fargo & Company24,568$334.4K0.00%+23,855+3,345.7%Added
Thrivent Financial for Lutherans24,326$331.0K0.00%−853−3.4%Reduced
Public Employees Retirement System of Ohio23,979$326.0K0.00%00.0%Unchanged
Great West Life Assurance Co23,466$319.0K0.00%−1,812−7.2%Reduced
Alps Advisors Inc23,435$318.9K0.00%−16,262−41.0%Reduced
Credit Suisse AG22,864$311.2K0.00%+1,608+7.6%Added
Profund Advisors LLC22,170$301.7K0.02%+22,170New
Yousif Capital Management, LLC22,072$300.4K0.00%−2,130−8.8%Reduced
Texas Permanent School Fund21,734$295.8K0.00%+5,232+31.7%Added
Ziegler Capital Management, LLC21,704$295.4K0.01%+214+1.0%Added
NinePointTwo Capital19,510$265.0K0.10%+19,510New
ClariVest Asset Management LLC18,632$254.0K0.01%−68−0.4%Reduced
Winton Group Ltd18,430$250.8K0.02%−1,097−5.6%Reduced
Allspring Global Investments Holdings, LLC17,710$241.0K0.00%−90,960−83.7%Reduced
Tudor Investment Corp Et Al17,672$241.0K0.00%−58−0.3%Reduced
State of Alaska, Department of Revenue16,809$228.0K0.00%−283−1.7%Reduced
First Republic Investment Management, Inc.15,979$217.5K0.00%−4,825−23.2%Reduced
Mirae Asset Global Investments Co., Ltd.15,437$210.1K0.00%+4,301+38.6%Added