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RA CAPITAL MANAGEMENT, L.P.

Position in LBRX — Lb Pharmaceuticals Inc

CIK 1346824 BOSTON, MA

Position in LBRX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$71,680,242
+$17,216,068 QoQ
Shares Held
2,208,604
0.0% QoQ
Ownership
6.85%
of shares outstanding
% of Portfolio
0.63%
of 13F equity value
Holder Rank
#3
of 115 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in LBRX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RA CAPITAL MANAGEMENT, L.P. holds $11,082,969,028 across 75 Biotechnology names. LBRX ranks #29 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in LBRX

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $71,680,242 2,208,604
2026-03-31 $54,464,174 2,208,604
2025-12-31 $49,163,525 2,208,604
2025-09-30 $28,058,166 1,776,958