ARK Investment Management LLC 13D and 13G filings for 908 Devices 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 |
| 2025-02-14 11:23 am Sale | 2024-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 2,788,565 8.010% | -430,984 (-13.39%) | Filing |
| 2025-01-10 9:23 pm Sale | 2024-09-30 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,219,549 9.290% | -1,127,030 (-25.93%) | Filing |
| 2024-01-29 4:01 pm Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 4,346,579 13.420% | 657,104 (+17.81%) | Filing |
| 2023-02-10 10:43 am Purchase | 2022-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,689,475 11.630% | 558,092 (+17.82%) | Filing |
| 2022-02-10 11:10 am Purchase | 2022-01-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,131,383 10.100% | 134,990 (+4.51%) | Filing |
| 2022-02-09 2:01 pm Purchase | 2021-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 2,996,393 9.660% | 226,632 (+8.18%) | Filing |
| 2021-09-10 2:46 pm Purchase | 2021-08-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 2,769,761 10.020% | 2,769,761 (New Position) | Filing |