BlackRock, Inc. 13D and 13G filings for Masimo Corporation:
- 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 |
| 2025-02-07 1:50 pm Sale |
2025-01-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
4,231,142 7.900% |
-4,249,088 (-50.11%) |
Filing |
| 2024-06-07 1:30 pm Purchase |
2024-05-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
8,480,230 16.000% |
2,821,099 (+49.85%) |
Filing |
| 2024-01-24 09:46 am Sale |
2023-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
5,659,131 10.700% |
-297,701 (-5.00%) |
Filing |
| 2023-01-26 08:52 am Unchanged |
2022-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
5,956,832 11.300% |
0 (Unchanged) |
Filing |
| 2023-01-20 5:17 pm Sale |
2022-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
5,956,832 11.300% |
-98,381 (-1.62%) |
Filing |
| 2022-06-09 3:20 pm Sale |
2022-05-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
6,055,213 10.900% |
-2,971,161 (-32.92%) |
Filing |
| 2022-01-27 1:59 pm Unchanged |
2021-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
9,026,374 16.300% |
0 (Unchanged) |
Filing |
| 2022-01-25 6:45 pm Purchase |
2021-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
9,026,374 16.300% |
709,850 (+8.54%) |
Filing |
| 2021-01-26 2:19 pm Purchase |
2020-12-31 | 13G | Masimo Corporation MASI |
BlackRock Inc. BLK |
8,316,524 15.100% |
1,771,803 (+27.07%) |
Filing |