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Opaleye Management Inc.

Position in MBX — MBX Biosciences, Inc.

CIK 1595855 Boston, MA

Position in MBX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$14,352,000
+$6,591,000 QoQ
Shares Held
260,000
0.0% QoQ
Ownership
0.540%
of shares outstanding
% of Portfolio
1.32%
of 13F equity value
Holder Rank
#33
of 172 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MBX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Opaleye Management Inc. holds $678,840,611 across 50 Biotechnology names. MBX ranks #18 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MBX

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $14,352,000 260,000
2026-03-31 $7,761,000 260,000
2025-12-31 $8,200,400 260,000
2025-09-30 $4,427,500 253,000
2025-06-30 $2,730,629 239,319
2025-03-31 $1,845,000 250,000