Skip to main content

Siren, L.L.C.

Position in ZURA — Zura Bio Ltd

CIK 2005245 New York, NY

Position in ZURA

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$22,035,709
-$186,743 QoQ
Shares Held
3,734,866
0.0% QoQ
Ownership
3.90%
of shares outstanding
% of Portfolio
0.45%
of 13F equity value
Holder Rank
#7
of 95 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ZURA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Siren, L.L.C. holds $4,562,402,933 across 78 Biotechnology names. ZURA ranks #50 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZURA

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $22,035,709 3,734,866
2026-03-31 $22,222,452 3,734,866
2025-12-31 $6,812,000 1,300,000