Dyne Therapeutics, Inc. - DYN
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Fund XI, L.P. | 2.4% | 4,476,487 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates XI, L.P. | 2.4% | 4,479,449 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates XI, LLC | 2.4% | 4,479,449 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Opportunity Fund I, L.P. | 0.5% | 975,931 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates Opportunity I, L.P. | 0.5% | 975,931 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates Opportunity I, LLC | 0.5% | 975,931 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Opportunity Fund II, L.P. | 0.7% | 1,344,719 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates Opportunity II, L.P. | 0.7% | 1,344,719 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Atlas Venture Associates Opportunity II, LLC | 0.7% | 1,344,719 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | JANUS HENDERSON GROUP Ltd. | 7.3% | 11,997,738 | View |
| Aug 06, 2026 | SCHEDULE 13G/A | FMR LLC | 6.8% | 11,207,000 | View |
| Aug 06, 2026 | SCHEDULE 13G/A | Abigail P. Johnson | 6.8% | 11,207,000 | View |
| Jul 28, 2026 | SCHEDULE 13G/A | BlackRock, Inc. | 7.0% | 11,489,504 | View |
| May 15, 2026 | SCHEDULE 13G/A | JANUS HENDERSON GROUP PLC | 8.3% | 13,647,376 | View |
| May 15, 2026 | SCHEDULE 13G/A | T. Rowe Price Investment Management, Inc. | 18.7% | 30,785,801 | View |
| May 06, 2026 | SCHEDULE 13G | FMR LLC | 5.4% | 8,908,980 | View |
| May 06, 2026 | SCHEDULE 13G | Abigail P. Johnson | 5.4% | 8,908,980 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
| Mar 06, 2026 | SCHEDULE 13G/A | T. Rowe Price Investment Management, Inc. | 16.2% | 26,578,437 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.