Skip to main content

Granahan Investment Management, LLC

Position in DYN — Dyne Therapeutics, Inc.

CIK 1026710 WALTHAM, MA

Position in DYN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,519,528
New position
Shares Held
338,565
first reported quarter
Ownership
0.181%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
#62
of 245 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 90% Shared 0% None 10%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Granahan Investment Management, LLC holds $227,093,647 across 25 Biotechnology names. DYN ranks #13 (3.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DYN

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $7,519,528 338,565