DYN — Dyne Therapeutics, Inc.

Ownership history in MPM BioImpact LLC  ·  3 quarters on record

This page tracks every 13F SEC filing in which MPM BioImpact LLC reported a position in Dyne Therapeutics, Inc. (DYN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
3.15% (2025 Q4)
Avg. % of fund
2.84%
First filed
2025 Q2
Last filed
2025 Q4
Quarters held
3
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 1,405,388 -40,973 -2.8% 3.15% $27.5M $19.56
2025 Q3 UNCHANGED 1,446,361 — 0% 3.00% $18.3M $12.65
2025 Q2 INITIATED 1,446,361 — — 2.39% $13.8M $9.52
% of Fund (quarterly)    DYN price (monthly, adj. close)

Other funds also holding DYN

As of 2025 Q4 — sorted by position size

Atlas Venture Life Science Advisors, LLC 3Y 20.64% FCPM III SERVICES B.V. 14.01% Saturn V Capital Management LP 3Y 6.42% Palo Alto Investors LP 3Y 7Y 4.01% Vivo Capital, LLC 3Y 7Y 3.31% TCG Crossover Management, LLC 3Y 2.99% STEMPOINT CAPITAL LP 2.8% VR Adviser, LLC 3Y 2.1% Siren, L.L.C. 2.04% Sofinnova Investments, Inc. 3Y 7Y 1.9%
← Back to MPM BioImpact LLC Holdings