Monolithic Power Systems Inc

WHITTIER TRUST CO MPWR

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/26/2026

Shares

44,252

Value ($000)

44,490

Weight

0.5%

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	1/26/2026	44,490	0.5%	44,252	12/31/2025
2025 Q3	10/31/2025	40,613	0.5%	44,201	9/30/2025
2025 Q2	7/30/2025	31,832	0.4%	43,523	6/30/2025
2025 Q1	5/2/2025	24,640	0.3%	42,486	3/31/2025
2024 Q4	2/11/2025	24,574	0.3%	41,532	12/31/2024
2024 Q3	10/21/2024	37,248	0.5%	40,290	9/30/2024
2024 Q2	7/29/2024	31,950	0.5%	38,884	6/30/2024
2024 Q1	5/2/2024	25,126	0.4%	37,091	3/31/2024
2023 Q4	1/11/2024	22,594	0.4%	35,820	12/31/2023
2023 Q3	10/27/2023	17,920	0.3%	38,787	9/30/2023
2023 Q2	7/24/2023	20,496	0.4%	37,941	6/30/2023
2023 Q1	4/21/2023	21,322	0.4%	42,599	3/31/2023
2022 Q4	1/25/2023	13,823	0.3%	39,092	12/31/2022
2022 Q3	10/21/2022	17,697	0.4%	48,701	9/30/2022
2022 Q2	7/28/2022	17,937	0.4%	46,710	6/30/2022
2022 Q1	4/29/2022	22,440	0.4%	46,204	3/31/2022
2021 Q4	1/19/2022	21,866	0.4%	44,323	12/31/2021
2021 Q3	11/1/2021	23,946	0.4%	49,407	9/30/2021
2021 Q2	7/29/2021	18,647	0.3%	49,932	6/30/2021
2021 Q1	4/26/2021	16,645	0.3%	47,126	3/31/2021
2020 Q4	1/29/2021	16,071	0.3%	43,883	12/31/2020
2020 Q3	10/30/2020	16,045	0.4%	57,383	9/30/2020
2020 Q2	7/10/2020	13,477	0.4%	56,864	6/30/2020
2020 Q1	4/27/2020	9,671	0.3%	57,749	3/31/2020
2019 Q4	1/31/2020	9,759	0.3%	54,818	12/31/2019
2014 Q2	8/4/2014	1,843	0.1%	43,530	6/30/2014
2014 Q1	5/1/2014	1,688	0.1%	43,530	3/31/2014
2013 Q4	2/5/2014	1,508	0.1%	43,530	12/31/2013