DYN — Dyne Therapeutics, Inc.

Ownership history in MPM ASSET MANAGEMENT LLC  ·  21 quarters on record

This page tracks every 13F SEC filing in which MPM ASSET MANAGEMENT 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
39.97% (2024 Q1)
Avg. % of fund
20.45%
First filed
2020 Q3
Last filed
2025 Q3
Quarters held
21
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 UNCHANGED 682,376 — 0% 19.40% $8.6M $12.65
2025 Q2 UNCHANGED 682,376 — 0% 14.99% $6.50B $9.52
2025 Q1 UNCHANGED 682,376 — 0% 10.28% $7.1M $10.46
2024 Q4 UNCHANGED 682,376 — 0% 12.92% $16.1M $23.56
17 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% 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% MPM BioImpact LLC 3Y 3.15% TCG Crossover Management, LLC 3Y 2.99% STEMPOINT CAPITAL LP 2.8% VR Adviser, LLC 3Y 2.1% Siren, L.L.C. 2.04%
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