Theseus Pharmaceuticals Inc

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Theseus Pharmaceuticals Inc
TickerTHRX
CIK #0001745020
CUSIP88369M101
SectorLife Sciences - Pharmaceutical Preparations
Address245 Main Street, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2025
[0001745020] 10-K
[0001745020] 10-Q
[0001745020] 3
[0001745020] 4
[0001745020] 8-K
[0001745020] D
[0001745020] SC 13D
[0001745020] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Frazier Life Sciences Public Fund LP Theseus Pharmaceuticals Inc [2023-01-23] 2.3
FMR LLC Theseus Pharmaceuticals Inc [2021-11-10] 0.0
OrbiMed Advisors LLC Theseus Pharmaceuticals Inc [2021-10-19] 44.9
Foresite Capital Fund V LP Theseus Pharmaceuticals Inc [2021-10-18] 11.0
Form 3/4/5 Filer 2011 - 2025
Theseus Pharmaceuticals, Inc.
Stein Steven H
Dukes Iain D.
Gordon Carl L
Hayden Donald J Jr
Yi Kathy
Shakespeare William
Clackson Timothy P
Dahms Bradford D.
Rivera Victor
Kerstein David
Foresite Capital Fund V, L.P.
Tananbaum James B.
Foresite Capital Management V, LLC
Foresite Capital Opportunity Fund V, L.P.
Foresite Capital Opportunity Management V, LLC
OrbiMed Genesis GP LLC
OrbiMed Advisors LLC
OrbiMed Capital GP VII LLC
Dalgarno David
Ariad Pharmaceuticals Inc
Takeda Pharmaceutical Co Ltd
Rock Springs Capital Master Fund LP
Rock Springs Capital LLC
Rock Springs Capital Management LP
Nessi Claudio
Omega Fund VI, L.P.
Stampacchia Otello
Omega Fund VI GP Manager, Ltd.
Paster Anne-Mari
Rome Michael E
Omega Fund VI GP, L.P.
Form 13F Holdings
Firm Period DFND Voting Shares
OrbiMed Advisors LLC [2023-03-31] SOLE 17,233,668.0 17,233,668.0
Foresite Capital Management V, LLC [2023-03-31] SOLE 3,585,346.0 3,585,346.0
Frazier Life Sciences Management LP [2023-03-31] SOLE 2,248,194.0 2,248,194.0
Fairmount Funds Management LLC [2023-03-31] SOLE 1,865,671.0 1,865,671.0
Paradigm Biocapital Advisors LP [2023-03-31] SOLE 1,505,327.0 1,505,327.0
Price T Rowe Associates Inc /MD/ [2023-03-31] SOLE 272,218.0 1,322,216.0
FMR LLC [2023-03-31] DFND 1,113,375.0 1,113,662.0
BlackRock Inc. [2023-03-31] SOLE 862,266.0 883,462.0
VR Adviser LLC [2023-03-31] SOLE 770,000.0 770,000.0
Lynx1 Capital Management LP [2023-03-31] OTR 0.0 761,258.0
Omega Fund Management LLC [2023-03-31] SOLE 711,479.0 711,479.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 687,709.0
Nextech Invest Ltd [2023-03-31] SOLE 611,310.0 611,310.0
Opaleye Management Inc [2023-03-31] SOLE 488,100.0 488,100.0
Citadel Advisors LLC [2023-03-31] DFND 484,386.0 484,386.0
Janus Henderson Group PLC [2023-03-31] DFND 0.0 460,728.0
Rock Springs Capital Management LP [2023-03-31] SOLE 437,329.0 437,329.0
Boxer Capital, LLC [2023-03-31] OTR 350,000.0 350,000.0
Geode Capital Management LLC [2023-03-31] DFND 327,870.0 327,870.0
Candriam SCA [2023-03-31] SOLE 323,793.0 323,793.0
State Street Corp [2023-03-31] DFND 279,964.0 296,864.0
Driehaus Capital Management LLC [2023-03-31] SOLE 226,201.0 226,201.0
Laurion Capital Management LP [2023-03-31] SOLE 179,619.0 179,619.0
Walleye Capital LLC [2023-03-31] SOLE 179,550.0 179,550.0
Bank of America Corp /DE/ [2023-03-31] DFND 2,761.0 179,202.0
AllianceBernstein LP [2023-03-31] DFND 41,359.0 154,317.0
Woodline Partners LP [2023-03-31] SOLE 143,980.0 143,980.0
Ensign Peak Advisors, Inc [2023-03-31] SOLE 142,598.0 142,598.0
Northern Trust Corp [2023-03-31] DFND 649.0 133,460.0
DAFNA Capital Management LLC [2023-03-31] SOLE 131,025.0 131,025.0
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