Monolithic Power Systems Inc

VANGUARD GROUP INC MPWR

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

6,034,394

Value ($000)

5,469,333

Weight

0.1%

2013 Q4 - 2025 Q4 (28 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/29/2026	5,469,333	0.1%	6,034,394	12/31/2025
2025 Q3	11/7/2025	5,591,998	0.1%	6,074,033	9/30/2025
2025 Q2	8/11/2025	4,344,358	0.1%	5,939,946	6/30/2025
2025 Q1	5/9/2025	3,433,870	0.1%	5,920,669	3/31/2025
2024 Q4	2/11/2025	3,446,223	0.1%	5,824,274	12/31/2024
2024 Q3	11/13/2024	5,316,086	0.1%	5,750,228	9/30/2024
2024 Q2	8/13/2024	4,679,546	0.1%	5,695,096	6/30/2024
2024 Q1	5/10/2024	3,739,318	0.1%	5,519,940	3/31/2024
2023 Q4	3/11/2024	3,446,624	0.1%	5,464,066	12/31/2023
2023 Q3	12/18/2023	2,482,546	0.1%	5,373,477	9/30/2023
2023 Q2	8/14/2023	2,835,954	0.1%	5,249,531	6/30/2023
2023 Q1	7/14/2023	2,576,622	0.1%	5,147,685	3/31/2023
2022 Q4	2/10/2023	1,809,886	0.0%	5,118,311	12/31/2022
2022 Q3	11/14/2022	1,847,587	0.1%	5,084,168	9/30/2022
2022 Q2	8/12/2022	1,902,340	0.1%	4,953,493	6/30/2022
2022 Q1	5/13/2022	2,366,701	0.1%	4,872,963	3/31/2022
2021 Q4	2/14/2022	2,365,050	0.1%	4,794,054	12/31/2021
2021 Q3	11/12/2021	2,313,044	0.1%	4,772,312	9/30/2021
2021 Q2	8/13/2021	1,811,481	0.0%	4,850,667	6/30/2021
2021 Q1	5/14/2021	1,704,135	0.0%	4,824,710	3/31/2021
2020 Q4	2/12/2021	1,473,805	0.0%	4,024,262	12/31/2020
2020 Q3	11/16/2020	1,081,159	0.0%	3,866,670	9/30/2020
2020 Q2	8/14/2020	950,475	0.0%	4,010,441	6/30/2020
2020 Q1	5/15/2020	658,411	0.0%	3,931,755	3/31/2020
2019 Q4	2/14/2020	683,248	0.0%	3,838,037	12/31/2019
2014 Q2	8/11/2014	102,722	0.0%	2,425,556	6/30/2014
2014 Q1	5/13/2014	89,161	0.0%	2,299,735	3/31/2014
2013 Q4	2/12/2014	76,444	0.0%	2,205,527	12/31/2013