EcoR1 Capital, LLC

13F Filings History

Latest 13F report
Q4 2024 - Feb 14, 2025
Value $
$2.5B
Notable people
Oleg Nodelman
Signature - Title
Oleg Nodelman - Manager
Location
San Francisco, CA
Summary
This page shows a list of all the recent 13F filings made by EcoR1 Capital, LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. EcoR1 Capital, LLC reported 55 stock holdings with total value $2.5B as of Q4 2024. Top holdings included APLS, ZYME, CRNX, JAZZ, and PRTA.
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Date Filed
Q4 2024 55 $2.5B +$330M -$372M -$42.6M APLS, ZYME, CRNX, JAZZ, PRTA 13F-HR 2/14/2025, 01:05 PM
Q3 2024 63 $2.92B +$255M -$670M -$415M APLS, ANAB, CRNX, PRTA, JAZZ 13F-HR 11/14/2024, 11:16 AM
Q2 2024 55 $3.27B +$258M -$257M +$277K APLS, PRTA, SRPT, ANAB, CRNX 13F-HR 8/14/2024, 11:37 AM
Q1 2024 52 $3.85B +$679M -$647M +$32.1M APLS, PRTA, ARVN, SRPT, CRNX 13F-HR 5/15/2024, 11:45 AM
Q4 2023 47 $3.85B +$651M -$366M +$284M APLS, MRTX, PRTA, ARVN, GLPG 13F-HR 2/14/2024, 11:30 AM
Q3 2023 60 $2.96B +$677M -$947M -$270M PRTA, APLS, MRTX, GLPG, RVMD 13F-HR 11/14/2023, 12:16 PM
Q2 2023 64 $4.08B +$719M -$152M +$566M PRTA, APLS, SRPT, JNJ, GLPG 13F-HR 8/14/2023, 12:42 PM
Q1 2023 53 $3.1B +$163M -$38.6M +$125M PRTA, SRPT, APLS, GLPG, ANAB 13F-HR 5/15/2023, 12:19 PM
Q4 2022 61 $3.28B +$298M -$31.2M +$267M PRTA, SRPT, APLS, ANAB, GLPG 13F-HR 2/14/2023, 11:00 AM
Q3 2022 70 $3.38B +$315M -$343M -$27.9M PRTA, APLS, SRPT, ANAB, ARVN 13F-HR 11/14/2022, 10:07 AM
Q2 2022 74 $2.89B +$561M -$18.1M +$543M PRTA, APLS, SRPT, SGEN, GLPG 13F-HR 8/15/2022, 11:14 AM
Q1 2022 82 $3.19B +$1.13B -$197M +$937M PRTA, APLS, GLPG, ANAB, SRPT 13F-HR 5/16/2022, 09:42 AM
Q4 2021 70 $3.13B +$760M -$24.5M +$735M PRTA, ANAB, RCUS, XNCR, APLS 13F-HR 2/14/2022, 08:56 AM
Q3 2021 63 $2.83B +$362M -$330M +$32.9M PRTA, MORF, ANAB, RCUS, XNCR Restatement 11/22/2021, 01:52 PM
Q2 2021 67 $2.66B +$403M -$61.5M +$342M PRTA, MORF, ANAB, XNCR, RLAY 13F-HR 8/16/2021, 11:11 AM
Q1 2021 65 $2.23B +$556M -$153M +$403M PRTA, XNCR, MORF, ANAB, NUVB 13F-HR 5/17/2021, 10:53 AM
Q4 2020 64 $1.86B +$577M -$203M +$374M XNCR, RLAY, STTK, SPRY, PRTA 13F-HR 2/16/2021, 09:30 AM
Q3 2020 48 $1.4B +$334M -$24.3M +$310M XNCR, KURA, RLAY, PRTA, MORF 13F-HR 11/16/2020, 09:47 AM
Q2 2020 48 $1.35B +$576M -$118M +$457M XNCR, PRTA, ORIC, MORF, KURA 13F-HR 8/14/2020, 10:59 AM
Q1 2020 51 $957M +$244M -$71.3M +$172M PRTA, XNCR, ARVN, DRNA, FATE 13F-HR 5/15/2020, 04:07 PM
Q4 2019 44 $1.11B +$363M -$90.3M +$272M PRTA, XNCR, DRNA, FGEN, KURA Restatement 2/18/2020, 03:31 PM
Q3 2019 38 $792M +$199M -$112M +$86.9M XNCR, PRTA, ONCE, KURA, ARGX 13F-HR 11/14/2019, 03:15 PM
Q2 2019 39 $990M +$250M -$106M +$144M KURA, XNCR, ARGX, CRSP, FGEN 13F-HR 8/14/2019, 04:49 PM
Q1 2019 41 $1.08B +$314M -$291M +$22.9M ARGX, KURA, MRTX, CRSP, XNCR 13F-HR 5/15/2019, 04:21 PM
Q4 2018 53 $999M +$396M -$118M +$278M ARGX, KURA, FGEN, IRWD, ASMB 13F-HR 2/14/2019, 03:15 PM
Q3 2018 50 $1.11B +$254M -$174M +$80.1M FGEN, ASMB, IRWD, ASND, KURA 13F-HR 11/14/2018, 03:53 PM
Q2 2018 33 $1.05B +$319M -$90.8M +$228M FGEN, IRWD, ASMB, ASND, KURA 13F-HR 8/14/2018, 12:11 PM
Q1 2018 31 $997M +$195M -$75.2M +$120M ASMB, ASND, FGEN, IRWD, KURA 13F-HR 5/15/2018, 04:07 PM
Q4 2017 30 $888M +$326M -$17.4M +$308M ASMB, FGEN, IRWD, ASND, KURA 13F-HR 2/14/2018, 12:50 PM
Q3 2017 39 $750M +$278M -$74.3M +$203M ASMB, FGEN, IRWD, ASND, KURA 13F-HR 11/14/2017, 03:25 PM
Q2 2017 36 $563M +$256M -$18.6M +$237M IRWD, ASMB, FGEN, GLPG, ASND 13F-HR 8/14/2017, 04:25 PM
Q1 2017 32 $395M +$113M -$23.6M +$89.3M ASMB, IRWD, GLPG, ASND, KURA Restatement 5/19/2017, 12:39 PM
Q4 2016 0 New Holdings 2/15/2017, 03:59 PM
Q4 2016 30 $299M +$109M -$38.1M +$70.8M IRWD, GLPG, ASMB, ALXN, ASND Restatement 2/15/2017, 03:56 PM
Q3 2016 31 $326M +$131M -$21.1M +$110M IRWD, GLPG, ASMB, DERM, ARDX 13F-HR 11/14/2016, 03:34 PM
Q2 2016 32 $254M +$79.2M -$21.2M +$58.1M IRWD, GLPG, RTRX, CYTK, ASMB 13F-HR 8/15/2016, 12:02 PM
Q1 2016 36 $285M +$137M -$23.8M +$113M IRWD, FPRX, EPZM, FGEN, RTRX 13F-HR 5/16/2016, 04:14 PM
Q4 2015 31 $318M +$141M -$21.6B -$21.5B FGEN, FPRX, RTRX, KURA, ASMB 13F-HR 2/16/2016, 09:48 AM
Q3 2015 25 $220M +$42.4M -$12M +$30.4M FGEN, ATRA, RTRX, EPZM, ASMB 13F-HR 11/16/2015, 10:51 AM
Q2 2015 25 $300M +$77.8M -$3.97M +$73.8M ATRA, EPZM, ASMB, FGEN, KITE 13F-HR 8/14/2015, 10:30 AM
Q1 2015 22 $292M +$118M -$203M -$85.7M ATRA, EPZM, RCPT, ASMB, CLVSQ Restatement 5/15/2015, 06:27 PM
Q4 2014 21 $189M KITE, CLVSQ, RCPT, MGNX, IRWD 13F-HR 2/17/2015, 03:13 PM