T. Rowe Price Investment Management, Inc. 13D and 13G filings for Dyne Therapeutics, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 10:06 am Purchase | 2026-03-31 | 13G | DYNE THERAPEUTICS INC DYN | T. Rowe Price Investment Management, Inc. | 30,785,801 18.700% | 4,207,364 (+15.83%) | Filing |
| 2026-03-06 12:57 pm Purchase | 2026-02-28 | 13G | DYNE THERAPEUTICS INC DYN | T. Rowe Price Investment Management, Inc. | 26,578,437 16.200% | 9,038,348 (+51.53%) | Filing |
| 2026-01-08 12:15 pm Purchase | 2025-12-31 | 13G | DYNE THERAPEUTICS INC DYN | T. Rowe Price Investment Management, Inc. | 17,540,089 10.700% | 17,540,089 (New Position) | Filing |