Position in ERAS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$14,562,000
+$12,519,893 QoQ
Shares Held
900,000
+32.7% QoQ
Ownership
0.289%
of shares outstanding
% of Portfolio
0.66%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
8 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ERAS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026EcoR1 Capital, LLC holds $2,138,560,039 across 26 Biotechnology names. ERAS ranks #17 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZYME |
Zymeworks Inc.
|
22,970,388 | $575,178,515 | |
| 2 | JAZZ |
Jazz Pharmaceuticals plc
|
1,706,469 | $322,607,964 | |
| 3 | ANAB |
Anaptysbio, Inc
|
7,880,094 | $291,353,079 | |
| 4 | CNTA |
Centessa Pharmaceuticals plc
|
6,000,000 | $238,320,000 | |
| 5 | CRNX |
Crinetics Pharmaceuticals, Inc.
|
4,288,120 | $155,744,518 | |
| 6 | AKTS |
Aktis Oncology, Inc.
|
4,824,469 | $86,309,750 | |
| 7 | ORIC |
Oric Pharmaceuticals, Inc.
|
6,728,116 | $85,245,229 | |
| 8 | CGON |
CG Oncology, Inc.
|
1,102,000 | $74,583,360 |
All Filings in ERAS
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $14,562,000 | 900,000 | Shares | Sole | 2026-05-15 | |
| 2023-03-31 | $2,042,107 | 678,441 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,924,080 | 678,441 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $5,291,839 | 678,441 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,778,916 | 678,441 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $5,834,592 | 678,441 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $10,906,000 | 700,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $14,854,000 | 700,000 | Shares | Sole | 2021-11-22 | |
| No filing history on record for this holder in this stock. | ||||||