BlackRock, Inc. (BLK) 13D/13G Filings for Monolithic Power Systems, Inc. (MPWR)

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.
Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-04-17
6:50 pm
Sale
2025-03-31 13G Monolithic Power Systems, Inc.
MPWR
BLACKROCK INC
BLK
4,674,772
9.800%
-561,681decrease
(-10.73%)
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%
4,674,772increase
(New Position)
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%
-218,661decrease
(-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%
-524,817decrease
(-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%
-334,766decrease
(-5.30%)
Filing
2021-01-26
2:20 pm
Purchase
2020-12-31 13G Monolithic Power Systems, Inc.
MPWR
BLACKROCK INC
BLK
6,314,697
14.000%
1,729,501increase
(+37.72%)
Filing