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MPM BIOIMPACT LLC

Position in DYN — Dyne Therapeutics, Inc.

CIK 1687078 BOSTON, MA

Position in DYN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$42,689,685
+$17,159,890 QoQ
Shares Held
1,922,093
+36.5% QoQ
Ownership
1.03%
of shares outstanding
% of Portfolio
2.60%
of 13F equity value
Holder Rank
#27
of 245 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in DYN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MPM BIOIMPACT LLC holds $1,463,416,616 across 34 Biotechnology names. DYN ranks #14 (2.9% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DYN

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $42,689,685 1,922,093
2026-03-31 $25,529,795 1,408,152
2025-12-31 $27,489,389 1,405,388
2025-09-30 $18,296,466 1,446,361
2025-06-30 $13,769,356 1,446,361