Dyne Therapeutics, Inc.
DYN- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001818794
Insider trades, last 90 days
0 buys · 11 sells
- Sold $100.9M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
245
- +17 vs. Q1 2026
- Total value $4.23B
Superinvestors holding DYN
0
- None of the superinvestors held DYN at the end of Q2 2026.
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by DYN insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 8, 20264:15 PM ET | Sep 4 – Sep 8, 2026 | Friedl-Naderer JohannaChief Commercial Officer | SSaleCommon Stock | −1.09K | $23.4173 | −$25.41K | 152.9K | −0.7% | SEC10b5-1 |
| Sep 8, 20264:14 PM ET | Sep 4 – Sep 8, 2026 | Kerr DouglasChief Medical Officer | SSaleCommon Stock | −5.04K | $22.9486 | −$115.55K | 162.56K | −3.0% | SEC10b5-1 |
| Sep 8, 20264:13 PM ET | Sep 8, 2026 | Cox JohnCEO & President | SSaleCommon Stock | −5.66K | $18.88 | −$106.82K | 357.51K | −1.6% | SEC10b5-1 |
| Aug 17, 20265:30 PM ET | Aug 13 – Aug 14, 2026 | Rhodes Jason PDirector | SSaleCommon Stock | −2.59M | $25.1978 | −$65.18M | 428.95K | −85.8% | SEC10b5-1 |
| Aug 17, 20264:08 PM ET | Aug 13, 2026 | Friedl-Naderer JohannaChief Commercial Officer | SSaleCommon Stock | −226 | $26.28 | −$5.94K | 153.98K | −0.1% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in DYN at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 30,912,287 | $686.56M | 0.45% | +126,486+0.4% | Added |
| BlackRock, Inc. | 12,404,330 | $275.5M | 0.00% | +704,460+6.0% | Added |
| Jupiter Topco LLC | 11,997,738 | $266.63M | 0.11% | +11,997,738 | New |
| FMR LLC | 11,207,000 | $248.91M | 0.01% | +2,298,020+25.8% | Added |
| STATE STREET CORP | 7,458,263 | $165.65M | 0.00% | +804,517+12.1% | Added |