Iteos Therapeutics Inc

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Iteos Therapeutics Inc
TickerITOS
CIK #0001808865
CUSIP46565G104
SectorLife Sciences - Biological Products, (No Disgnostic Substances)
Address139 Main Street, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2025
[0001808865] 10-K
[0001808865] 10-Q
[0001808865] 3
[0001808865] 4
[0001808865] 5
[0001808865] 8-K
[0001808865] D
[0001808865] SC 13D
[0001808865] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Ridgeback Capital Investments LP Iteos Therapeutics Inc [2025-07-25] 0.0
Tang Capital Management LLC Iteos Therapeutics Inc [2025-06-12] 0.0
Ridgeback Capital Investments LP Iteos Therapeutics Inc [2025-06-04] 0.0
EcoR1 Capital LLC Iteos Therapeutics Inc [2025-05-16] 0.0
Tang Capital Management LLC Iteos Therapeutics Inc [2025-05-15] 0.0
EcoR1 Capital LLC Iteos Therapeutics Inc [2025-05-08] 0.0
BlackRock Portfolio Management LLC Iteos Therapeutics Inc [2025-04-15] 0.0
Biotechnology Value Fund L P Iteos Therapeutics Inc [2024-11-21] 3.3
Tang Capital Management LLC Iteos Therapeutics Inc [2024-09-30] 6.6
EcoR1 Capital LLC Iteos Therapeutics Inc [2024-02-16] 5.4
Millennium Management LLC Iteos Therapeutics Inc [2023-10-24] 5.8
Vanguard Group Inc Iteos Therapeutics Inc [2023-02-09] 5.11
BlackRock Inc Iteos Therapeutics Inc [2022-07-08] 10.5
Biotechnology Value Fund L P Iteos Therapeutics Inc [2022-05-02] 2.9
Janus Henderson Group PLC Iteos Therapeutics Inc [2021-02-12] 5.7
RTW Investments LP Iteos Therapeutics Inc [2021-02-04] 7.88
Boxer Capital LLC Iteos Therapeutics Inc [2020-08-07] 13.0
MPM BioVentures 2014 LP Iteos Therapeutics Inc [2020-08-07] 6.2
RA Capital Management LP Iteos Therapeutics Inc [2020-08-05] 13.2
Form 3/4/5 Filer 2011 - 2025
Detheux Michel
iTeos Therapeutics, Inc.
Hallal David
EcoR1 Capital, LLC
MPM Asset Management Investors Bv2018 LLC
MPM BioVentures 2014, L.P.
Foley Todd
MPM BioVentures 2014 GP LLC
MPM BioVentures 2014 (B), L.P.
MPM Asset Management Investors BV2014 LLC
MPM BioVentures 2014 LLC
Evnin Luke
MPM BioVentures 2018 B LP
MPM BioVentures 2018 LP
MPM BioVentures 2018 GP LLC
MPM BioVentures 2018 LLC
MPM BioImpact LLC
UBS Oncology Impact Fund L.P.
Oncology Impact Fund (Cayman) Management L.P.
Gadicke Ansbert
Van Hauwermeiren Timothy
Gall Matthew
Call Matthew
McGrath Yvonne
Feltquate David
Iannone Robert
Rhoads Ann D
DeSimone Jill
Davis Aaron I.
Lee David K
Ho Tony W
RA Capital Management LP
Kolchinsky Peter
RA Capital Healthcare Fund LP
Shah Rajeev M.
Lewis Joseph
Boxer Capital, LLC
Boxer Asset Management Inc.
DiRocco Derek
Lager Joanne Jenkins
Roden Matthew
Biniszkiewicz Detlev
MVA Investors, LLC
MPM Oncology Impact Management GP LLC
Belawat Priyanka
Form 13F Holdings
Firm Period DFND Voting Shares
EcoR1 Capital LLC [2025-06-30] SOLE 10,688,978 10,688,978
BlackRock, Inc. [2025-06-30] SOLE 4,275,603 4,574,537
Tang Capital Management LLC [2025-06-30] OTR 0 3,826,692
Vanguard Group Inc [2025-06-30] SOLE 0 1,638,108
Boxer Capital Management LLC [2025-06-30] SOLE 0 825,000
Millennium Management LLC [2025-06-30] SOLE 477,189 819,689
Dimensional Fund Advisors LP [2025-06-30] SOLE 732,639 766,441
Geode Capital Management LLC [2025-06-30] DFND 703,467 703,467
OrbiMed Advisors LLC [2025-06-30] DFND 327,600 700,000
Marshall Wace LLP [2025-06-30] OTR 0 611,649
Renaissance Technologies LLC [2025-06-30] SOLE 602,100 602,100
JPMorgan Chase & Co [2025-06-30] DFND 518,629 601,363
Nantahala Capital Management LLC [2025-06-30] SOLE 596,666 596,666
State Street Corp [2025-06-30] DFND 559,355 594,555
DLD Asset Management LP [2025-06-30] SOLE 576,655 576,655
Susquehanna International Group LLP [2025-06-30] OTR 144,080 570,580
Newtyn Management LLC [2025-06-30] SOLE 567,416 567,416
LMR Partners LLP [2025-06-30] SOLE 550,000 550,000
Alyeska Investment Group LP [2025-06-30] SOLE 500,000 500,000
Almitas Capital LLC [2025-06-30] SOLE 487,204 487,204
Morgan Stanley [2025-06-30] DFND 348,495 429,340
Citadel Advisors LLC [2025-06-30] DFND 413,056 413,056
Stonepine Capital Management LLC [2025-06-30] SOLE 310,033 310,033
Bank of America Corp /DE/ [2025-06-30] DFND 7,088 308,660
Rangeley Capital LLC [2025-06-30] SOLE 302,080 302,080
Silver Point Capital LP [2025-06-30] DFND 290,000 290,000
Jane Street Group LLC [2025-06-30] DFND 163,299 279,299
Northern Trust Corp [2025-06-30] DFND 253,479 253,773
Charles Schwab Investment Management Inc [2025-06-30] SOLE 246,086 246,086
AQR Capital Management LLC [2025-06-30] DFND 231,145 231,149
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