ECOR1 CAPITAL, LLC

Filters

Showing 337 results

Adviser
Type
Submitted
Adviser EcoR1 Capital, LLC Type N-PX Submitted
08/29/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
08/19/2025
Adviser EcoR1 Capital, LLC Type 13F-HR Submitted
08/14/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker98985Y108 Stock NameZYMEWORKS INC $ Position$288.3 b % Position17.00 % $ Change40.00 % # Shares22,970,388 # Change33.00 %
Stock Ticker03753U106 Stock NameAPELLIS PHARMACEUTICALS INC $ Position$205.9 b % Position12.00 % $ Change-21.00 % # Shares11,895,808 # Change0.00 %
Stock TickerG50871105 Stock NameJAZZ PHARMACEUTICALS PLC $ Position$181.1 b % Position11.00 % $ Change-15.00 % # Shares1,706,469 # Change0.00 %
Stock Ticker032724106 Stock NameANAPTYSBIO INC $ Position$174.9 b % Position10.00 % $ Change19.00 % # Shares7,880,094 # Change0.00 %
Stock Ticker22663K107 Stock NameCRINETICS PHARMACEUTICALS IN $ Position$123.3 b % Position7.00 % $ Change-14.00 % # Shares4,288,120 # Change0.00 %
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
08/14/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G Submitted
08/05/2025
Adviser EcoR1 Capital, LLC Type 4 Submitted
07/30/2025

Adaptimmune Therapeutics PLC
10% Owner

Non-Derivatives

Title Transaction Date Shares Price Shared Following Owsh.
TitleOrdinary Shares Transaction Date07/28/2025 Shares33,931,740 Price$0.11 Shared Following130,492,680 OwshI
TitleOrdinary Shares Transaction Date07/29/2025 Shares2,687,460 Price$0.10 Shared Following127,805,220 OwshI
TitleOrdinary Shares Transaction Date07/30/2025 Shares27,433,338 Price$0.10 Shared Following100,371,882 OwshI
Adviser EcoR1 Capital, LLC Type SCHEDULE 13D/A Submitted
07/28/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G Submitted
07/24/2025
Adviser EcoR1 Capital, LLC Type 4 Submitted
06/27/2025

Zymeworks Inc.
Director

Non-Derivatives

Title Transaction Date Shares Price Shared Following Owsh.
TitleCommon Stock Transaction Date06/26/2025 Shares5,086,480 Price$0.00 Shared Following22,970,388 OwshI
TitleCommon Stock Transaction Date06/26/2025 Shares41 Price$12.71 Shared Following22,970,388 OwshI

Derivatives

Title Conv. Ex. Price Transaction Date Sec. Title Shares Price Shared Fol. Owsh.
TitlePre-Funded Warrants (right to acquire) Conv. Ex. Price$0.00 Transaction Date06/26/2025 Sec. TitleCommon Stock Shares5,086,521 Price$0.00 Shared Fol.0 Owsh.See note
Adviser EcoR1 Capital, LLC Type SCHEDULE 13D Submitted
06/27/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13D/A Submitted
05/29/2025
Adviser EcoR1 Capital, LLC Type 4 Submitted
05/19/2025

Zymeworks Inc.
Director

Non-Derivatives

Title Transaction Date Shares Price Shared Following Owsh.
TitleCommon Stock Transaction Date05/15/2025 Shares49,502 Price$11.43 Shared Following17,877,989 OwshI
TitleCommon Stock Transaction Date05/19/2025 Shares5,919 Price$11.78 Shared Following17,883,908 OwshI
Adviser EcoR1 Capital, LLC Type SCHEDULE 13D/A Submitted
05/19/2025
Adviser EcoR1 Capital, LLC Type 4 Submitted
05/16/2025

iTeos Therapeutics, Inc.
10% Owner

Non-Derivatives

Title Transaction Date Shares Price Shared Following Owsh.
TitleCommon Stock Transaction Date05/14/2025 Shares1,658,978 Price$7.41 Shared Following7,388,978 OwshI
TitleCommon Stock Transaction Date05/15/2025 Shares3,300,000 Price$8.00 Shared Following10,688,978 OwshI
Adviser EcoR1 Capital, LLC Type SCHEDULE 13D Submitted
05/16/2025
Adviser EcoR1 Capital, LLC Type 13F-HR Submitted
05/15/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker03753U106 Stock NameAPELLIS PHARMACEUTICALS INC $ Position$260.2 b % Position15.00 % $ Change-31.00 % # Shares11,895,808 # Change0.00 %
Stock TickerG50871105 Stock NameJAZZ PHARMACEUTICALS PLC $ Position$211.9 b % Position13.00 % $ Change1.00 % # Shares1,706,469 # Change0.00 %
Stock Ticker98985Y108 Stock NameZYMEWORKS INC $ Position$205.6 b % Position12.00 % $ Change-7.00 % # Shares17,259,548 # Change15.00 %
Stock TickerG72800108 Stock NamePROTHENA CORP PLC $ Position$143.4 b % Position9.00 % $ Change-11.00 % # Shares11,584,280 # Change0.00 %
Stock Ticker22663K107 Stock NameCRINETICS PHARMACEUTICALS IN $ Position$143.8 b % Position9.00 % $ Change-34.00 % # Shares4,288,120 # Change0.00 %
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type SCHEDULE 13G/A Submitted
05/15/2025
Adviser EcoR1 Capital, LLC Type 3 Submitted
05/13/2025

iTeos Therapeutics, Inc.
10% Owner

Non-Derivatives

Title Transaction Date Shares Price Shared Following Owsh.
TitleCommon Stock Transaction DateN / A Shares Price Shared Following5,730,000 OwshI

This website uses cookies so that we can provide you with a better user experience. By using our website, you consent to our use of cookies. To read more about how we use the cookies and to change your settings, see our cookie policy