iTeos Therapeutics, Inc. - 46565G104

Detailed investor-level table based on 13F positions.
Early Q3 2025 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q2 2025 · Compare: Q1 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
EcoR1 Capital, LLC History New 10,688,978 106,569 6.31% 1 +10,688,978 New Q2 2025 Aug 14, 2025
BlackRock, Inc. History Added to 4,574,537 45,608 0.0% 0.0% 2 +65,290 1.45% Q2 2025 Aug 12, 2025
TANG CAPITAL MANAGEMENT LLC History New 3,826,692 38,152 1.93% 3 +3,826,692 New Q2 2025 Aug 14, 2025
VANGUARD GROUP INC History Reduced 1,664,161 16,591 0.0% 0.0% 4 -62,297 -3.61% Q2 2025 Aug 11, 2025
DIMENSIONAL FUND ADVISORS LP History Reduced 832,761 8,302 0.0% 0.0% 5 -348,493 -29.5% Q2 2025 Aug 12, 2025
Boxer Capital Management, LLC History New 825,000 8,225 4.14% 6 +825,000 New Q2 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Added to 819,689 8,172 0.0% 0.0% 7 +471,330 135.3% Q2 2025 Aug 14, 2025
GEODE CAPITAL MANAGEMENT, LLC History Added to 703,467 7,015 0.0% 0.0% 8 +53,414 8.22% Q2 2025 Aug 08, 2025
ORBIMED ADVISORS LLC History New 700,000 6,979 0.17% 9 +700,000 New Q2 2025 Aug 14, 2025
MARSHALL WACE, LLP History Added to 611,649 6,098 0.01% 0.0% 10 +492,091 411.59% Q2 2025 Aug 13, 2025
RENAISSANCE TECHNOLOGIES LLC History Reduced 602,100 6,002 0.01% 0.01% 11 -43,500 -6.74% Q2 2025 Aug 13, 2025
JPMORGAN CHASE & CO History Reduced 601,363 5,995 0.0% 0.0% 12 -1,381,300 -69.67% Q2 2025 Aug 12, 2025
Nantahala Capital Management, LLC History New 596,666 5,948 0.23% 13 +596,666 New Q2 2025 Aug 14, 2025
STATE STREET CORP History Added to 594,555 5,927 0.0% 0.0% 14 +12,558 2.16% Q2 2025 Aug 14, 2025
DLD Asset Management, LP History New 576,655 5,749 0.48% 15 +576,655 New Q2 2025 Aug 13, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 570,580 5,688 0.0% 0.0% 16 +391,372 218.39% Q2 2025 Aug 14, 2025
Newtyn Management, LLC History New 567,416 5,657 0.86% 17 +567,416 New Q2 2025 Aug 14, 2025
LMR Partners LLP History New 550,000 5,483 0.04% 18 +550,000 New Q2 2025 Aug 14, 2025
Alyeska Investment Group, L.P. History New 500,000 4,985 0.02% 19 +500,000 New Q2 2025 Aug 14, 2025
Almitas Capital LLC History New 487,204 4,857 1.23% 20 +487,204 New Q2 2025 Aug 14, 2025
MORGAN STANLEY History Added to 429,340 4,280 0.0% 0.0% 21 +178,209 70.96% Q2 2025 Aug 14, 2025
CITADEL ADVISORS LLC History Reduced 413,056 4,118 0.0% 0.0% 22 -844,366 -67.15% Q2 2025 Aug 14, 2025
Stonepine Capital Management, LLC History New 310,033 3,091 3.03% 23 +310,033 New Q2 2025 Aug 13, 2025
BANK OF AMERICA CORP /DE/ History Added to 308,660 3,077 0.0% 0.0% 24 +128,556 71.38% Q2 2025 Aug 14, 2025
Rangeley Capital, LLC History New 302,080 3,011 3.59% 25 +302,080 New Q2 2025 Aug 14, 2025
Silver Point Capital L.P. History New 290,000 2,891 0.2% 26 +290,000 New Q2 2025 Aug 14, 2025
JANE STREET GROUP, LLC History Added to 279,299 2,784 0.0% 0.0% 27 +257,861 1202.82% Q2 2025 Aug 14, 2025
NORTHERN TRUST CORP History Added to 258,369 2,575 0.0% 0.0% 28 +8,244 3.3% Q2 2025 Aug 13, 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 246,086 2,453 0.0% 0.0% 29 +12,525 5.36% Q2 2025 Aug 12, 2025
AQR CAPITAL MANAGEMENT LLC History Added to 237,805 2,370 0.0% 0.0% 30 +11,595 5.13% Q2 2025 Aug 14, 2025
Alpine Global Management, LLC History New 225,000 2,243 0.51% 31 +225,000 New Q2 2025 Aug 14, 2025
Shay Capital LLC History New 210,516 2,098 0.24% 32 +210,516 New Q2 2025 Aug 14, 2025
AMERIPRISE FINANCIAL INC History Added to 207,787 2,071 0.0% 0.0% 33 +9,885 4.99% Q2 2025 Aug 14, 2025
DIADEMA PARTNERS LP History New 206,200 2,055 0.63% 34 +206,200 New Q2 2025 Aug 14, 2025
Susquehanna Portfolio Strategies, LLC History New 204,708 2,040 0.04% 35 +204,708 New Q2 2025 Aug 14, 2025
ACADIAN ASSET MANAGEMENT LLC History New 186,692 1,860 0.0% 36 +186,692 New Q2 2025 Aug 07, 2025
ROYAL BANK OF CANADA History Added to 185,760 1,852 0.0% 0.0% 37 +184,051 10769.51% Q2 2025 Nov 21, 2025
Peapod Lane Capital LLC History New 169,287 1,687 1.69% 38 +169,287 New Q2 2025 Jul 31, 2025
GOLDMAN SACHS GROUP INC History Reduced 155,351 1,548 0.0% 0.0% 39 -432,069 -73.55% Q2 2025 Aug 14, 2025
WELLINGTON MANAGEMENT GROUP LLP History Added to 154,963 1,544 0.0% 0.0% 40 +14,844 10.59% Q2 2025 Aug 14, 2025
Nuveen, LLC History Reduced 154,424 1,539 0.0% 0.0% 41 -149,226 -49.14% Q2 2025 Aug 12, 2025
Verition Fund Management LLC History Added to 150,648 1,501 0.01% 0.0% 42 +106,500 241.23% Q2 2025 Aug 14, 2025
GABELLI & Co INVESTMENT ADVISERS, INC. History New 146,450 1,460 0.22% 43 +146,450 New Q2 2025 Aug 13, 2025
DAFNA Capital Management LLC History New 140,847 1,404 0.39% 44 +140,847 New Q2 2025 Aug 14, 2025
BARCLAYS PLC History Reduced 125,996 1,256 0.0% 0.0% 45 -2,981 -2.31% Q2 2025 Feb 27, 2026
GABELLI FUNDS LLC History New 120,593 1,202 0.01% 46 +120,593 New Q2 2025 Aug 13, 2025
Eversept Partners, LP History New 109,324 1,089 0.1% 47 +109,324 New Q2 2025 Aug 14, 2025
SIMPLEX TRADING, LLC History New 103,212 1,029 0.0% 48 +103,212 New Q2 2025 Aug 05, 2025
Invesco Ltd. History Reduced 81,035 807 0.0% 0.0% 49 -4,167 -4.89% Q2 2025 Aug 13, 2025
AMERICAN CENTURY COMPANIES INC History Added to 78,949 787 0.0% 0.0% 50 +4,417 5.93% Q2 2025 Aug 12, 2025
Bank of New York Mellon Corp History Added to 77,547 773 0.0% 0.0% 51 +12,741 19.66% Q2 2025 Aug 05, 2025
Dynamic Technology Lab Private Ltd History New 77,371 771 0.1% 52 +77,371 New Q2 2025 Aug 12, 2025
ALGERT GLOBAL LLC History New 74,477 743 0.02% 53 +74,477 New Q2 2025 Aug 14, 2025
Campbell & CO Investment Adviser LLC History New 72,262 720 0.05% 54 +72,262 New Q2 2025 Aug 07, 2025
HSBC HOLDINGS PLC History Reduced 68,533 686 0.0% 0.0% 55 -8,460 -10.99% Q2 2025 Aug 13, 2025
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC History New 66,779 665 0.02% 56 +66,779 New Q2 2025 Aug 14, 2025
FNY Investment Advisers, LLC History New 65,000 648 0.27% 57 +65,000 New Q2 2025 Jul 30, 2025
Engineers Gate Manager LP History Added to 59,559 593 0.01% 0.0% 58 +22,749 61.8% Q2 2025 Aug 14, 2025
Man Group plc History Added to 58,768 585 0.0% 0.0% 59 +36,236 160.82% Q2 2025 Aug 14, 2025
Regency Capital Management Inc.\DE History New 58,000 578 0.3% 60 +58,000 New Q2 2025 Jul 23, 2025
THRIVENT FINANCIAL FOR LUTHERANS History Added to 56,556 563 0.0% 0.0% 61 +7,411 15.08% Q2 2025 Aug 26, 2025
Fisher Asset Management, LLC History No change 55,722 555 0.0% 0.0% 62 0 0.0% Q2 2025 Aug 13, 2025
KLP KAPITALFORVALTNING AS History Added to 55,400 552 0.0% 0.0% 63 +16,500 42.42% Q2 2025 Jul 23, 2025
Clearline Capital LP History New 55,013 548 0.02% 64 +55,013 New Q2 2025 Aug 14, 2025
D. E. Shaw & Co., Inc. History Reduced 53,432 532 0.0% 0.0% 65 -50,693 -48.68% Q2 2025 Aug 14, 2025
FMR LLC History Added to 52,740 525 0.0% 0.0% 66 +48,861 1259.63% Q2 2025 Aug 14, 2025
RHUMBLINE ADVISERS History Added to 48,882 487 0.0% 0.0% 67 +5,398 12.41% Q2 2025 Aug 12, 2025
STATE OF WISCONSIN INVESTMENT BOARD History New 48,096 479 0.0% 68 +48,096 New Q2 2025 Aug 14, 2025
Persistent Asset Partners Ltd History New 47,512 473 0.35% 69 +47,512 New Q2 2025 Aug 11, 2025
IEQ CAPITAL, LLC History Added to 45,399 452 0.0% 0.0% 70 +30,650 207.81% Q2 2025 Aug 14, 2025
UBS Group AG History Added to 44,288 441 0.0% 0.0% 71 +18,028 68.65% Q2 2025 Aug 14, 2025
ALLIANCEBERNSTEIN L.P. History Added to 44,180 440 0.0% 0.0% 72 +11,670 35.9% Q2 2025 Aug 14, 2025
PRUDENTIAL FINANCIAL INC History Reduced 42,861 427 0.0% 0.0% 73 -27,840 -39.38% Q2 2025 Aug 12, 2025
OXFORD ASSET MANAGEMENT LLP History New 41,771 416 7.41% 74 +41,771 New Q2 2025 Feb 17, 2026
CITIGROUP INC History Added to 39,742 396 0.0% 0.0% 75 +20,558 107.16% Q2 2025 Aug 11, 2025
PRELUDE CAPITAL MANAGEMENT, LLC History New 39,349 392 0.04% 76 +39,349 New Q2 2025 Aug 14, 2025
Vazirani Asset Management LLC History New 35,000 348 1.33% 77 +35,000 New Q2 2025 Aug 14, 2025
XTX Topco Ltd History New 34,777 346 0.01% 78 +34,777 New Q2 2025 Aug 12, 2025
DEUTSCHE BANK AG\ History Reduced 33,556 334 0.0% 0.0% 79 -30 -0.09% Q2 2025 Aug 12, 2025
AlphaQuest LLC History New 29,019 289 0.03% 80 +29,019 New Q2 2025 Jul 31, 2025
Y-Intercept (Hong Kong) Ltd History Added to 28,375 282 0.01% 0.01% 81 +10,251 56.56% Q2 2025 Aug 01, 2025
ADAR1 Capital Management, LLC History New 26,937 268 0.04% 82 +26,937 New Q2 2025 Aug 14, 2025
Proficio Capital Partners LLC History New 24,865 247 0.02% 83 +24,865 New Q2 2025 Aug 07, 2025
Sandia Investment Management LP History New 24,865 247 0.63% 84 +24,865 New Q2 2025 Aug 14, 2025
Caption Management, LLC History Reduced 22,157 220 0.0% 0.04% 85 -650,736 -96.71% Q2 2025 Aug 14, 2025
INTECH INVESTMENT MANAGEMENT LLC History Added to 20,806 207 0.0% 0.0% 86 +2,466 13.45% Q2 2025 Aug 08, 2025
Graham Capital Management, L.P. History Reduced 20,637 205 0.0% 0.0% 87 -20,038 -49.26% Q2 2025 Aug 14, 2025
ALPS ADVISORS INC History Reduced 20,653 205 0.0% 0.0% 88 -7,993 -27.9% Q2 2025 Aug 11, 2025
WELLS FARGO & COMPANY/MN History Added to 20,192 201 0.0% 0.0% 89 +3,196 18.8% Q2 2025 Aug 14, 2025
TWO SIGMA ADVISERS, LP History New 18,000 179 0.0% 90 +18,000 New Q2 2025 Aug 14, 2025
MetLife Investment Management, LLC History Added to 17,001 169 0.0% 0.0% 91 +2,958 21.06% Q2 2025 Aug 13, 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 16,351 163 0.0% 0.0% 92 +371 2.32% Q2 2025 Aug 14, 2025
TUDOR INVESTMENT CORP ET AL History Reduced 15,415 153 0.0% 0.0% 93 -2,236 -12.67% Q2 2025 Aug 14, 2025
BAILARD, INC. History New 15,200 151 0.0% 94 +15,200 New Q2 2025 Aug 08, 2025
PRICE T ROWE ASSOCIATES INC /MD/ History New 14,969 150 0.0% 95 +14,969 New Q2 2025 Aug 14, 2025
AXQ CAPITAL, LP History New 13,860 138 0.04% 96 +13,860 New Q2 2025 Aug 12, 2025
CWM, LLC History New 12,013 120 0.0% 97 +12,013 New Q2 2025 Jul 25, 2025
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Added to 11,466 114 0.0% 0.0% 98 +584 5.37% Q2 2025 Aug 14, 2025
AIGEN INVESTMENT MANAGEMENT, LP History New 11,291 112 0.02% 99 +11,291 New Q2 2025 Aug 12, 2025
Quantinno Capital Management LP History New 10,305 102 0.0% 100 +10,305 New Q2 2025 Aug 14, 2025
Virtus Investment Advisers, LLC History New 9,422 93 0.03% 101 +9,422 New Q2 2025 Aug 13, 2025
China Universal Asset Management Co., Ltd. History New 7,687 76 0.01% 102 +7,687 New Q2 2025 Aug 28, 2025
STRS OHIO History Added to 7,100 70 0.0% 0.0% 103 +1,900 36.54% Q2 2025 Aug 04, 2025
BNP PARIBAS FINANCIAL MARKETS History Added to 6,864 68 0.0% 0.0% 104 +58 0.85% Q2 2025 Aug 14, 2025
Police & Firemen's Retirement System of New Jersey History No change 5,213 51 0.0% 0.0% 105 0 0.0% Q2 2025 Aug 08, 2025
NEW YORK STATE COMMON RETIREMENT FUND History No change 5,109 50 0.0% 0.0% 106 0 0.0% Q2 2025 Oct 08, 2025
Tower Research Capital LLC (TRC) History Added to 3,953 39 0.0% 0.0% 107 +2,299 139.0% Q2 2025 Aug 15, 2025
Legal & General Group Plc History Added to 2,717 27 0.0% 0.0% 108 +345 14.54% Q2 2025 Aug 12, 2025
Ameritas Investment Partners, Inc. History New 2,444 24 0.0% 109 +2,444 New Q2 2025 Aug 12, 2025
Russell Investments Group, Ltd. History Reduced 2,328 23 0.0% 0.0% 110 -42,856 -94.85% Q2 2025 Aug 13, 2025
NISA INVESTMENT ADVISORS, LLC History Added to 1,939 19 0.0% 0.0% 111 +1,756 959.56% Q2 2025 Jul 31, 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 1,967 19 0.0% 0.0% 112 0 0.0% Q2 2025 Aug 14, 2025
PNC FINANCIAL SERVICES GROUP, INC. History Added to 1,537 15 0.0% 0.0% 113 +729 90.22% Q2 2025 Aug 08, 2025
Mirae Asset Global Investments Co., Ltd. History Added to 1,479 14 0.0% 0.0% 114 +257 21.03% Q2 2025 Jul 21, 2025
Caitong International Asset Management Co., Ltd History New 1,073 10 0.01% 115 +1,073 New Q2 2025 Jul 31, 2025
GF FUND MANAGEMENT CO. LTD. History No change 935 9 0.0% 0.0% 116 0 0.0% Q2 2025 Jul 22, 2025
AMALGAMATED BANK History New 825 8 0.0% 117 +825 New Q2 2025 Aug 04, 2025
Sterling Capital Management LLC History Added to 752 7 0.0% 0.0% 118 +293 63.83% Q2 2025 Aug 08, 2025
EverSource Wealth Advisors, LLC History New 636 6 0.0% 119 +636 New Q2 2025 Aug 13, 2025
Brooklyn Investment Group History New 556 5 0.0% 120 +556 New Q2 2025 Aug 14, 2025
IFP Advisors, Inc History Added to 230 2 0.0% 121 +202 721.43% Q2 2025 Jul 24, 2025
US BANCORP \DE\ History Reduced 149 1 0.0% 0.0% 122 -487 -76.57% Q2 2025 Jul 24, 2025
HARBOR CAPITAL ADVISORS, INC. History New 148 1 0.0% 124 +148 New Q2 2025 Jul 09, 2025
RAYMOND JAMES FINANCIAL INC History New 125 1 0.0% 123 +125 New Q2 2025 Aug 14, 2025
True Wealth Design, LLC History New 125 1 0.0% 127 +125 New Q2 2025 Aug 06, 2025
Daiwa Securities Group Inc. History New 121 1 0.0% 126 +121 New Q2 2025 Aug 14, 2025
Farther Finance Advisors, LLC History New 120 1 0.0% 128 +120 New Q2 2025 Jul 11, 2025
HANTZ FINANCIAL SERVICES, INC. History New 100 1 0.0% 125 +100 New Q2 2025 Aug 04, 2025
RA CAPITAL MANAGEMENT, L.P. History Closed out 0 0 0.36% -3,649,057 -100.0% Q1 2025 May 15, 2025
JACOBS LEVY EQUITY MANAGEMENT, INC History Closed out 0 0 0.01% -557,936 -100.0% Q1 2025 May 15, 2025
Trexquant Investment LP History Closed out 0 0 0.01% -188,500 -100.0% Q1 2025 May 14, 2025
KENNEDY CAPITAL MANAGEMENT LLC History Closed out 0 0 0.02% -154,717 -100.0% Q1 2025 May 13, 2025
Qube Research & Technologies Ltd History Closed out 0 0 0.0% -107,764 -100.0% Q1 2025 May 15, 2025
VICTORY CAPITAL MANAGEMENT INC History Closed out 0 0 0.0% -102,188 -100.0% Q1 2025 May 02, 2025
ExodusPoint Capital Management, LP History Closed out 0 0 0.0% -64,368 -100.0% Q1 2025 May 14, 2025
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Closed out 0 0 0.0% -58,022 -100.0% Q1 2025 May 14, 2025
Schonfeld Strategic Advisors LLC History Closed out 0 0 0.0% -57,877 -100.0% Q1 2025 May 15, 2025
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.01% -37,300 -100.0% Q1 2025 May 15, 2025
BOOTHBAY FUND MANAGEMENT, LLC History Closed out 0 0 0.0% -18,279 -100.0% Q1 2025 May 15, 2025
EXCHANGE TRADED CONCEPTS, LLC History Closed out 0 0 0.0% -17,308 -100.0% Q1 2025 Apr 17, 2025
GROUP ONE TRADING LLC History Closed out 0 0 0.0% -12,327 -100.0% Q1 2025 May 14, 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Closed out 0 0 0.0% -2,154 -100.0% Q1 2025 May 19, 2025
COLDSTREAM CAPITAL MANAGEMENT INC History Closed out 0 0 -127 -100.0% Q1 2025 May 13, 2025
GAMMA Investing LLC History New 76 0 +76 New Q2 2025 Jul 14, 2025
Allworth Financial LP History New 40 0 +40 New Q2 2025 Aug 07, 2025
OSAIC HOLDINGS, INC. History Added to 56 0 +16 40.0% Q2 2025 Sep 04, 2025
Clearstead Advisors, LLC History New 13 0 +13 New Q2 2025 Aug 08, 2025
Covestor Ltd History New 11 0 +11 New Q2 2025 Aug 11, 2025
SIGNATUREFD, LLC History Closed out 0 0 -8 -100.0% Q1 2025 May 02, 2025