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RA CAPITAL MANAGEMENT, L.P.

Position in SEPN — Septerna, Inc.

CIK 1346824 BOSTON, MA

Position in SEPN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$168,110,467
-$26,934,054 QoQ
Shares Held
6,995,858
0.0% QoQ
Ownership
15.5%
of shares outstanding
% of Portfolio
1.78%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in SEPN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

RA CAPITAL MANAGEMENT, L.P. holds $9,134,713,488 across 74 Biotechnology names. SEPN ranks #13 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SEPN

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $168,110,467 6,995,858
2025-12-31 $195,044,521 6,995,858
2025-09-30 $131,592,088 6,995,858
2025-06-30 $73,946,219 6,995,858
2025-03-31 $40,506,017 6,995,858
2024-12-31 $160,205,148 6,995,858