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EcoR1 Capital, LLC

Position in ERAS — Erasca, Inc.

CIK 1587114 San Francisco, CA

Position in ERAS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,045,600
-$8,516,400 QoQ
Shares Held
330,000
-63.3% QoQ
Ownership
0.094%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
#73
of 257 holders
Holding Since
Sep 2021
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ERAS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

EcoR1 Capital, LLC holds $1,935,887,028 across 29 Biotechnology names. ERAS ranks #25 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ERAS

Export CSV
9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,045,600 330,000
2026-03-31 $14,562,000 900,000
2023-03-31 $2,042,107 678,441
2022-12-31 $2,924,080 678,441
2022-09-30 $5,291,839 678,441
2022-06-30 $3,778,916 678,441
2022-03-31 $5,834,592 678,441
2021-12-31 $10,906,000 700,000
2021-09-30 $14,854,000 700,000