Who owns Dyne Therapeutics, Inc.?
Institutional ownership of DYN from SEC Form 13F filings across 164 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
164
13F holders
$1.81B
value, 2026 filers
45.8%
of shares outstanding (85.6M sh)
37
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of DYN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 12.4M | $275.5M | 0.0% | 6.6% | +6.0% |
| 2 | Jupiter Topco LLCNEW | 12.0M | $266.6M | 0.1% | 6.4% | new |
| 3 | FMR LLC | 11.2M | $248.9M | 0.0% | 6% | +25.8% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6.3M | $140.2M | 0.0% | 3.4% | -50.7% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.0M | $89.9M | 0.0% | 2.2% | -2.7% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | 3.9M | $87,438 | 0.0% | 2.1% | +69.1% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 3.7M | $83.2M | 0.0% | 2% | +6.8% |
| 8 | JPMORGAN CHASE & CO | 3.2M | $67.2M | 0.0% | 1.7% | -3.1% |
| 9 | BANK OF AMERICA CORP /DE/ | 2.2M | $49.6M | 0.0% | 1.2% | +54.7% |
| 10 | GOLDMAN SACHS GROUP INC | 2.2M | $47.9M | 0.0% | 1.2% | +25.2% |
| 11 | FRANKLIN RESOURCES INC | 2.0M | $45.1M | 0.0% | 1.1% | +1.1% |
| 12 | SAMLYN CAPITAL, LLC | 1.8M | $39.0M | 0.6% | 0.9% | -8.7% |
| 13 | Aberdeen Group plc | 1.5M | $34.2M | 0.0% | 0.8% | +7.6% |
| 14 | MARSHALL WACE, LLP | 1.5M | $33.1M | 0.0% | 0.8% | +1690.7% |
| 15 | NORTHERN TRUST CORP | 1.3M | $28.4M | 0.0% | 0.7% | +6.6% |
| 16 | Sixth Street Partners Management Company, L.P.NEW | 1.2M | $26.7M | 4.6% | 0.6% | new |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $26.7M | 0.0% | 0.6% | +3.8% |
| 18 | CITADEL ADVISORS LLC | 1.1M | $25.4M | 0.0% | 0.6% | +468.7% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 988,949 | $22.0M | 0.0% | 0.5% | +4.4% |
| 20 | MORGAN STANLEY | 746,200 | $16.6M | 0.0% | 0.4% | -19.7% |
| 21 | Artisan Partners Limited Partnership | 659,786 | $14.7M | 0.0% | 0.4% | +6.5% |
| 22 | RAYMOND JAMES FINANCIAL INC | 576,350 | $12.8M | 0.0% | 0.3% | +27.6% |
| 23 | TD Asset Management Inc | 548,112 | $12.2M | 0.0% | 0.3% | +3.6% |
| 24 | UBS Group AG | 443,284 | $9.8M | 0.0% | 0.2% | +16.5% |
| 25 | MILLENNIUM MANAGEMENT LLC | 431,850 | $9.6M | 0.0% | 0.2% | +172.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.