EcoR1 Capital, LLC - Insider Trading & Ownership

Entity
Company
Location
357 Tehama Street #3, San Francisco, California
Summary
The estimated value of insider holdings of EcoR1 Capital, LLC is at least $1.39 B dollars as of March 26, 2024. EcoR1 Capital, LLC is the 10%+ Owner of Mirati Therapeutics, Inc. and owns shares of Mirati Therapeutics, Inc. (MRTX) stock worth about $437 M. EcoR1 Capital, LLC is the 10%+ Owner of PROTHENA CORP PUBLIC LTD CO and owns shares of PROTHENA CORP PUBLIC LTD CO (PRTA) stock worth about $336 M. EcoR1 Capital, LLC is the 10%+ Owner of Zymeworks Inc. and owns shares of Zymeworks Inc. (ZYME) stock worth about $201 M. EcoR1 Capital, LLC is the 10%+ Owner of ANAPTYSBIO, INC and owns shares of ANAPTYSBIO, INC (ANAB) stock worth about $164 M. EcoR1 Capital, LLC is the 10%+ Owner of Tango Therapeutics, Inc. and owns shares of Tango Therapeutics, Inc. (TNGX) stock worth about $112 M. EcoR1 Capital, LLC is the 10%+ Owner of Mersana Therapeutics, Inc. and owns shares of Mersana Therapeutics, Inc. (MRSN) stock worth about $52.5 M. EcoR1 Capital, LLC is the 10%+ Owner of Graphite Bio, Inc. and owns shares of LENZ Therapeutics, Inc. (GRPH) stock worth about $34.8 M. EcoR1 Capital, LLC is the 10%+ Owner of Voyager Therapeutics, Inc. and owns shares of Voyager Therapeutics, Inc. (VYGR) stock worth about $27.5 M. EcoR1 Capital, LLC is the 10%+ Owner of TScan Therapeutics, Inc. and owns shares of TScan Therapeutics, Inc. (TCRX) stock worth about $24.8 M. EcoR1 Capital, LLC is the 10%+ Owner of Corvus Pharmaceuticals, Inc. and owns shares of Corvus Pharmaceuticals, Inc. (CRVS) stock worth about $199 K.
All Insider Reports
All Insider Reports

Ownership of EcoR1 Capital, LLC

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MRTX Mirati Therapeutics, Inc. 10%+ Owner $437 M Dec 18, 2023
PRTA PROTHENA CORP PUBLIC LTD CO 10%+ Owner $336 M May 5, 2022
ZYME Zymeworks Inc. 10%+ Owner $201 M +$50 M +33.2% Dec 26, 2023
ANAB ANAPTYSBIO, INC 10%+ Owner $164 M May 5, 2022
TNGX Tango Therapeutics, Inc. 10%+ Owner $112 M Oct 13, 2023
MRSN Mersana Therapeutics, Inc. 10%+ Owner $52.5 M Jul 27, 2023
GRPH LENZ Therapeutics, Inc. 10%+ Owner $34.8 M Jan 6, 2023
VYGR Voyager Therapeutics, Inc. 10%+ Owner $27.5 M Jan 9, 2023
TCRX TScan Therapeutics, Inc. 10%+ Owner $24.8 M May 26, 2023
CRVS Corvus Pharmaceuticals, Inc. 10%+ Owner $199 K Sep 30, 2021
ADAP Adaptimmune Therapeutics PLC 10%+ Owner Mar 8, 2024
ODTC Odonate Therapeutics, Inc. 10%+ Owner Dec 1, 2021

Insider Transactions Reported by EcoR1 Capital, LLC:

Sym Company Class Transaction % Value $ Price $ Shares Shares After Date Ownership