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RA CAPITAL MANAGEMENT, L.P.

Position in RNA — Atrium Therapeutics, Inc.

CIK 1346824 BOSTON, MA

Position in RNA

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$11,553,043
New position
Shares Held
864,102
first reported quarter
Ownership
5.05%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Mar 31, 2026

RA CAPITAL MANAGEMENT, L.P. holds $9,134,713,488 across 74 Biotechnology names. RNA ranks #64 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RNA

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-03-31 $11,553,043 864,102