DYNDyne Therapeutics, Inc.

$26.37

Who owns DYN

226 institutions reported holding DYN for 2026Q1, together 114% of the company, fewer than the 230 a quarter earlier.

226

Institutions reporting a position · as of 2026Q1 · down from 230 the quarter before

Shares held by institutions
187.8M

Shares held by institutions · 114% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.40B

Reported value · at 2026-03-31 prices, not today's

Opened vs closed
34 / 45

Opened vs closed · new positions against positions exited in the latest quarter

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
23
New positions
34
Positions exited
45
Added to
97
Reduced
57
Institutional ownership by quarter, 2020Q3 to 2026Q1
QuarterFilersSharesReported value
2026Q1226187.8M$3.40B
2025Q4230177.9M$3.48B
2025Q3205155.8M$1.97B
2025Q2194128.6M$1.23B
2025Q1202122.0M$1.29B
2024Q4199111.6M$2.63B
2024Q3196112.1M$4.02B
2024Q2190110.7M$3.91B
2024Q116895.4M$2.71B
2023Q412369.9M$930M
2023Q311359.9M$536M
2023Q211659.2M$665M
2023Q112554.6M$628M
2022Q411349.7M$576M
2022Q310244.6M$566M
2022Q28946.6M$321M
Largest reported holders, 2026Q1
HolderShares% of companyValue
T. Rowe Price Investment Management, Inc.30.8Mn/a$558M
HENDERSON GROUP PLC13.6Mn/a$247M
BlackRock Inc.11.7Mn/a$212M
VANGUARD GROUP INC11.7Mn/a$212M
Atlas Venture Life Science Advisors, LLC9.1Mn/a$166M
FMR LLC8.9Mn/a$162M
Orbis Allan Gray Ltd6.8Mn/a$123M
STATE STREET CORP6.7Mn/a$121M
PERCEPTIVE ADVISORS LLC4.7Mn/a$85M
FCPM III SERVICES B.V.4.6Mn/a$84M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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