NASDAQ · DYN
Dyne Therapeutics, Inc.
Smart money pulse
What insiders and funds are doing
Mixed Insiders: as of Nov 10 Funds: as of Jun 30, 2026
- account_balance128 funds bought, 97 sold in the quarter ended Jun 30, 2026. 52 were new holders.
- infoNo real insider sales in 12 months. Planned 10b5-1 sales and tax withholding are left out.
Pulse runs from −100 (everyone selling) to +100 (everyone buying). Half comes from insiders: real buyers vs. real sellers in the last 90 days (Form 4). Half comes from funds: funds that bought vs. funds that sold last quarter (13F). 13F is a snapshot of long positions on the last day of the quarter, filed up to 45 days later. It does not show short positions or trades since then. This is data, not advice.
Who owns it
250 funds report owning DYN , up from 230
New52
Added76
Held57
Trimmed65
Sold out32
Last quarter
Who bought and who sold
Fmr LLC
+26%
Change in shares held, biggest funds first. Bars stop at ±100%.
Insider trades · last 12 months
Real buys and sales
No insider filings loaded for the last 12 months.
Top holders
Biggest funds in DYN
| Fund | Owns | Value | Change |
|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | — | $687K | +0% |
| BlackRock, Inc. | — | $276M | +6% |
| Jupiter Topco LLC | — | $267M | New |
| Fmr LLC | — | $249M | +26% |
| State Street Corp | — | $166M | +12% |
"Owns" is shares reported divided by shares outstanding.