EcoR1 Capital, LLC

Q3 2025 13F Holdings

  • Location
    san francisco, CA
  • Num holdings

    30

  • Value ($000)

    $2,083,869

  • Date Filed
    11/14/2025
  • 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 Q3 2025 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
ZYME
ZYME

ZYMEWORKS INC

COM
$392.33 M
19 %

22,970,388

ANAB
ANAB

ANAPTYSBIO INC

COM
$241.29 M
12 %

7,880,094

---

UNIQURE NV

SHS
$232.84 M
11 %

3,988,971

---

JAZZ PHARMACEUTICALS PLC

SHS USD
$224.91 M
11 %

1,706,469

CRNX
CRNX

CRINETICS PHARMACEUTICALS IN

COM
$178.60 M
9 %

4,288,120

---

CRISPR THERAPEUTICS AG

NAMEN AKT
$90.04 M
4 %

1,389,276

TNGX
TNGX

TANGO THERAPEUTICS INC

COM
$89.30 M
4 %

10,630,736

ORIC
ORIC

ORIC PHARMACEUTICALS INC

COM
$80.74 M
4 %

6,728,116

APLS
APLS

APELLIS PHARMACEUTICALS INC

COM
$78.01 M
4 %

3,447,156

XNCR
XNCR

XENCOR INC

COM
$72.08 M
4 %

6,144,767

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