EcoR1 Capital, LLC

Q4 2024 13F Holdings

  • Location
    san francisco, CA
  • Num holdings

    59

  • Value ($000)

    $2,645,071

  • Date Filed
    02/14/2025
  • Form type
    13F-HR
  • CIK
    0001587114
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q4 2024 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
APLS
APLS

APELLIS PHARMACEUTICALS INC

COM
03753U106
$379.44M
14 %

11,890,843

ZYME
ZYME

ZYMEWORKS INC

COM
98985Y108
$220.01M
8 %

15,028,079

CRNX
CRNX

CRINETICS PHARMACEUTICALS IN

COM
22663K107
$219.25M
8 %

4,288,120

---

JAZZ PHARMACEUTICALS PLC

SHS USD
G50871105
$210.15M
8 %

1,706,469

---

PROTHENA CORP PLC

SHS
G72800108
$160.44M
6 %

11,584,280

XNCR
XNCR

XENCOR INC

COM
98401F105
$141.21M
5 %

6,144,767

PFE
PFE

PFIZER INC

COM
717081103
$132.65M
5 %

5,000,000

call
ARVN
ARVN

ARVINAS INC

COM
04335A105
$128.95M
5 %

6,726,491

ANAB
ANAB

ANAPTYSBIO INC

COM
032724106
$104.24M
4 %

7,873,448

SRPT
SRPT

SAREPTA THERAPEUTICS INC

COM
803607100
$93.62M
4 %

770,000

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