Janus Henderson Group plc 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 |
| 2026-02-17 4:34 pm Sale | 2025-12-31 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 13,887,722 8.500% | -857,783 (-5.82%) | Filing |
| 2025-11-14 11:58 am Purchase | 2025-09-30 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 14,745,505 10.400% | 350,506 (+2.43%) | Filing |
| 2025-08-07 10:34 am Purchase | 2025-07-31 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 14,394,999 10.100% | 4,041,124 (+39.03%) | Filing |
| 2025-05-14 12:16 pm Purchase | 2025-03-31 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 10,353,875 9.200% | 2,974,566 (+40.31%) | Filing |
| 2025-02-14 12:22 pm Purchase | 2024-12-31 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 7,379,309 7.300% | 566,146 (+8.31%) | Filing |
| 2024-11-14 10:28 am Purchase | 2024-09-30 | 13G | Dyne Therapeutics, Inc. DYN | JANUS HENDERSON GROUP PLC JHG | 6,813,163 6.800% | 6,813,163 (New Position) | Filing |