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Disclosery

DYN DYNE THERAPEUTICS INC

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Stock (common), issuer CIK 1818794

219 managers (228 13F filers) reported a position in DYN shares at 2026-03-31, 187,866,029 shares in all. 35 filers opened a position and 45 filers sold out during the quarter.

Managers
219
13F filers
228
New
35
Added
101
Reduced
60
Sold out
45
Shares held by filers
187,866,029

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Posner Brian Sdirector2026-10-02+2,500 P$16Form 4

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/200$3.62K<0.01%013F-HRTimelineGroup
SBI Securities Co., Ltd.159$2.88K<0.01%+913F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC150$2.75K<0.01%new13F-HRTimeline
Aster Capital Management (DIFC) Ltd226$2.36K<0.01%-4,08413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…115$2.08K<0.01%+1813F-HR/ATimelineGroup
MAI Capital Management113$2.05K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC67$1.22K<0.01%013F-HR/ATimeline
Park Place Capital Corp47$852<0.01%new13F-HRTimeline
Cornerstone Financial Management LLC40$725<0.01%013F-HR/ATimeline
Basecamp Wealth Advisors LLC33$598<0.01%-913F-HRTimeline
Advisory Services Network, LLC29$526<0.01%new13F-HRTimeline
Bare Financial Services, Inc28$508<0.01%new13F-HRTimeline
Parallel Advisors, LLC27$490<0.01%013F-HR/ATimeline
Fortitude Family Office, LLC25$453<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC24$434<0.01%+713F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC14$254<0.01%new13F-HRTimeline
True Wealth Design, LLC13$236<0.01%013F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV10$181<0.01%new13F-HRTimeline
Hughes Financial Services, LLC6$109<0.01%new13F-HRTimeline

Events

  • Posner Brian S bought 2,500 DYN shares on 2026-10-02, Form 4 filed 2026-10-06. 0001193125-26-415584

    Accepted , ingested