MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

OAK RIDGE INVESTMENTS LLC's Holding History (CIK: 0001054554)

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

Q4 2025

Shares 626 Value ($000) $567 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 668 Value ($000) $615 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 662 Value ($000) $484 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 660 Value ($000) $383 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 5,767 Value ($000) $3,412 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 6,640 Value ($000) $6,139 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 2,079 Value ($000) $1,708 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 2,074 Value ($000) $1,405 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 2,341 Value ($000) $1,477 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 2,485 Value ($000) $1,148 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 2,490 Value ($000) $1,345 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 2,534 Value ($000) $1,268 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 2,357 Value ($000) $833 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 2,358 Value ($000) $857 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 3,113 Value ($000) $1,196 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 3,113 Value ($000) $1,512 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 3,121 Value ($000) $1,540 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 3,304 Value ($000) $1,601 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 3,330 Value ($000) $1,244 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 3,281 Value ($000) $1,159 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 4,965 Value ($000) $1,818 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 5,111 Value ($000) $1,429 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 5,070 Value ($000) $1,202 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 5,117 Value ($000) $857 Avg Close $163.85 Range $124.42 - $184.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	626	$567	$960.73	$831.77 - $1121.48
Q3 2025	668	$615	$808.07	$684.50 - $934.81
Q2 2025	662	$484	$633.58	$436.42 - $750.80
Q1 2025	660	$383	$624.99	$550.94 - $718.03
Q4 2024	5,767	$3,412	$716.72	$541.09 - $944.19
Q3 2024	6,640	$6,139	$853.35	$721.11 - $948.49
Q2 2024	2,079	$1,708	$712.18	$577.26 - $845.04
Q1 2024	2,074	$1,405	$657.62	$552.66 - $766.48
Q4 2023	2,341	$1,477	$513.84	$385.61 - $636.41
Q3 2023	2,485	$1,148	$501.94	$430.22 - $584.79
Q2 2023	2,490	$1,345	$465.29	$375.28 - $542.22
Q1 2023	2,534	$1,268	$449.31	$331.60 - $518.64
Q4 2022	2,357	$833	$350.38	$294.21 - $405.83
Q3 2022	2,358	$857	$432.95	$338.72 - $526.93
Q2 2022	3,113	$1,196	$410.37	$365.38 - $475.87
Q1 2022	3,113	$1,512	$422.77	$340.68 - $499.27
Q4 2021	3,121	$1,540	$500.08	$444.81 - $561.94
Q3 2021	3,304	$1,601	$440.15	$351.70 - $504.81
Q2 2021	3,330	$1,244	$340.03	$291.31 - $382.48
Q1 2021	3,281	$1,159	$351.26	$290.78 - $392.28
Q4 2020	4,965	$1,818	$308.64	$261.69 - $353.99
Q3 2020	5,111	$1,429	$250.15	$223.49 - $273.49
Q2 2020	5,070	$1,202	$194.18	$144.85 - $229.19
Q1 2020	5,117	$857	$163.85	$124.42 - $184.64