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RA CAPITAL MANAGEMENT, L.P.

Position in SPTX — Seaport Therapeutics, Inc.

CIK 1346824 BOSTON, MA

Position in SPTX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,204,000
New position
Shares Held
700,000
first reported quarter
Ownership
1.31%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#14
of 54 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RA CAPITAL MANAGEMENT, L.P. holds $11,082,969,028 across 75 Biotechnology names. SPTX ranks #66 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SPTX

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $15,204,000 700,000