Skip to main content

Siren, L.L.C.

Position in FHTX — Foghorn Therapeutics Inc.

CIK 2005245 New York, NY

Position in FHTX

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$3,517,113
+$72,072 QoQ
Shares Held
720,720
0.0% QoQ
Ownership
1.21%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#10
of 102 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FHTX 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. FHTX ranks #73 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in FHTX

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,517,113 720,720
2026-03-31 $3,445,041 720,720
2025-12-31 $3,891,888 720,720
2025-09-30 $3,524,320 720,720
2025-06-30 $3,387,384 720,720
2025-03-31 $2,630,628 720,720
2024-12-31 $3,401,798 720,720
2024-09-30 $6,709,903 720,720