Dyne Therapeutics, Inc. (DYN) Institutional Ownership & Insider Trading

246 institutions reported holding Dyne Therapeutics, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 130 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

DYNDyne Therapeutics, Inc.Follow DYN — free

Biotechnology · Healthcare

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Market cap: 2.9B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

246 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +2.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	246	191	+2.1%	81	34	70	22
Mar 26	227	188	+4.3%	95	31	55	41
Dec 25	230	181	+14.1%	94	48	57	26
Sep 25	202	159	+23.5%	105	31	39	23
Jun 25	195	129	+5.4%	88	21	51	27
Mar 25	202	122	+10.3%	75	45	40	40
Dec 24	198	112	-1.3%	65	29	58	32
Sep 24	199	112	-0.2%	70	37	50	29

Dyne Therapeutics, Inc. — questions

Who owns Dyne Therapeutics, Inc. stock?: 246 institutions reported Dyne Therapeutics, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: T. Rowe Price Investment Management, Inc. (16.6%), BlackRock, Inc. (6.6%), Jupiter Topco LLC (6.4%).
Are Dyne Therapeutics, Inc. insiders buying or selling?: 130 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Dyne Therapeutics, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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