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FRONTIER CAPITAL MANAGEMENT CO LLC

Position in DYN — Dyne Therapeutics, Inc.

CIK 351173 Boston, MA

Position in DYN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$14,900,122
-$7,376,136 QoQ
Shares Held
821,849
-27.8% QoQ
Ownership
0.575%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 34.63361274394688.ToString("F0")% Shared 0.ToString("F0")% None 65.36638725605312.ToString("F0")%

Common Shares in DYN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FRONTIER CAPITAL MANAGEMENT CO LLC holds $713,801,776 across 19 Biotechnology names. DYN ranks #15 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DYN

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $14,900,122 821,849
2025-12-31 $22,276,258 1,138,868
2025-09-30 $11,523,125 910,919
2025-06-30 $7,515,326 789,425
2025-03-31 $3,029,247 289,603
2024-12-31 $7,022,105 298,052