MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Torray Investment Partners LLC's Holding History (CIK: 0000098758)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 4,249 Value ($000) $3,851 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 3,957 Value ($000) $3,643 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 3,054 Value ($000) $2,234 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 3,052 Value ($000) $1,770 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 3,128 Value ($000) $1,851 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 3,391 Value ($000) $3,135 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 3,332 Value ($000) $2,738 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 3,406 Value ($000) $2,307 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 3,378 Value ($000) $2,131 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 3,312 Value ($000) $1,530 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 3,236 Value ($000) $1,748 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 3,216 Value ($000) $1,610 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 3,209 Value ($000) $1,135 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 3,295 Value ($000) $1,197 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 3,372 Value ($000) $1,295 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 3,364 Value ($000) $1,634 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 3,248 Value ($000) $1,602 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 4,644 Value ($000) $2,251 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 4,626 Value ($000) $1,728 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 4,591 Value ($000) $1,622 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 4,533 Value ($000) $1,660 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 5,181 Value ($000) $1,449 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 6,589 Value ($000) $1,562 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 7,641 Value ($000) $1,280 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 7,333 Value ($000) $1,305 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 6,645 Value ($000) $1,034 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 6,645 Value ($000) $902 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 6,703 Value ($000) $908 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 6,531 Value ($000) $759 Avg Close $112.91 Range $96.22 - $130.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,249	$3,851	$960.73	$831.77 - $1121.48
Q3 2025	3,957	$3,643	$808.07	$684.50 - $934.81
Q2 2025	3,054	$2,234	$633.58	$436.42 - $750.80
Q1 2025	3,052	$1,770	$624.99	$550.94 - $718.03
Q4 2024	3,128	$1,851	$716.72	$541.09 - $944.19
Q3 2024	3,391	$3,135	$853.35	$721.11 - $948.49
Q2 2024	3,332	$2,738	$712.18	$577.26 - $845.04
Q1 2024	3,406	$2,307	$657.62	$552.66 - $766.48
Q4 2023	3,378	$2,131	$513.84	$385.61 - $636.41
Q3 2023	3,312	$1,530	$501.94	$430.22 - $584.79
Q2 2023	3,236	$1,748	$465.29	$375.28 - $542.22
Q1 2023	3,216	$1,610	$449.31	$331.60 - $518.64
Q4 2022	3,209	$1,135	$350.38	$294.21 - $405.83
Q3 2022	3,295	$1,197	$432.95	$338.72 - $526.93
Q2 2022	3,372	$1,295	$410.37	$365.38 - $475.87
Q1 2022	3,364	$1,634	$422.77	$340.68 - $499.27
Q4 2021	3,248	$1,602	$500.08	$444.81 - $561.94
Q3 2021	4,644	$2,251	$440.15	$351.70 - $504.81
Q2 2021	4,626	$1,728	$340.03	$291.31 - $382.48
Q1 2021	4,591	$1,622	$351.26	$290.78 - $392.28
Q4 2020	4,533	$1,660	$308.64	$261.69 - $353.99
Q3 2020	5,181	$1,449	$250.15	$223.49 - $273.49
Q2 2020	6,589	$1,562	$194.18	$144.85 - $229.19
Q1 2020	7,641	$1,280	$163.85	$124.42 - $184.64
Q4 2019	7,333	$1,305	$152.39	$125.11 - $175.03
Q3 2019	6,645	$1,034	$142.31	$127.77 - $155.32
Q2 2019	6,645	$902	$129.05	$108.95 - $152.95
Q1 2019	6,703	$908	$124.16	$101.64 - $137.81
Q4 2018	6,531	$759	$112.91	$96.22 - $130.06