BlackRock, Inc. 13D and 13G filings for Monolithic Power Systems, 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 |
| 2026-01-08 1:28 pm Purchase | 2025-12-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 4,899,383 10.200% | 224,611 (+4.80%) | Filing |
| 2025-04-17 6:50 pm Unchanged | 2025-03-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 4,674,772 9.800% | 0 (Unchanged) | Filing |
| 2025-04-17 09:35 am Purchase | 2025-03-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 4,674,772 9.800% | 4,182,647 (+849.92%) | Filing |
| 2024-01-24 09:46 am Sale | 2023-12-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 5,236,453 10.900% | -218,661 (-4.01%) | Filing |
| 2023-01-26 08:43 am Unchanged | 2022-12-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 5,455,114 11.600% | 0 (Unchanged) | Filing |
| 2023-01-20 5:17 pm Sale | 2022-12-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 5,455,114 11.600% | -524,817 (-8.78%) | Filing |
| 2022-01-28 1:54 pm Sale | 2021-12-31 | 13G | MONOLITHIC POWER SYSTEMS, INC MPWR | BlackRock Inc. BLK | 5,979,931 13.000% | -334,766 (-5.30%) | Filing |