MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Janney Montgomery Scott LLC's Holding History (CIK: 0001329948)

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

Q4 2025

Shares 4,925 Value ($000) $4 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 20,483 Value ($000) $19 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 22,346 Value ($000) $16 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 23,107 Value ($000) $13 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 23,762 Value ($000) $14 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 24,992 Value ($000) $23 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 25,645 Value ($000) $21 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 26,216 Value ($000) $18 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 26,189 Value ($000) $17 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 3,852 Value ($000) $2 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 3,642 Value ($000) $2 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 4,605 Value ($000) $2 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 23,378 Value ($000) $8 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 21,227 Value ($000) $7,714 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 21,068 Value ($000) $8,162 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 20,044 Value ($000) $9,735 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 18,379 Value ($000) $9,067 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 2,775 Value ($000) $1,345 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 3,702 Value ($000) $1,383 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 3,480 Value ($000) $1,229 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 3,371 Value ($000) $1,235 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 3,826 Value ($000) $1,070 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 4,003 Value ($000) $949 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 4,509 Value ($000) $755 Avg Close $163.85 Range $124.42 - $184.64

Q1 2015

Shares 9,880 Value ($000) $520 Avg Close $45.64 Range $40.76 - $50.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,925	$4	$960.73	$831.77 - $1121.48
Q3 2025	20,483	$19	$808.07	$684.50 - $934.81
Q2 2025	22,346	$16	$633.58	$436.42 - $750.80
Q1 2025	23,107	$13	$624.99	$550.94 - $718.03
Q4 2024	23,762	$14	$716.72	$541.09 - $944.19
Q3 2024	24,992	$23	$853.35	$721.11 - $948.49
Q2 2024	25,645	$21	$712.18	$577.26 - $845.04
Q1 2024	26,216	$18	$657.62	$552.66 - $766.48
Q4 2023	26,189	$17	$513.84	$385.61 - $636.41
Q3 2023	3,852	$2	$501.94	$430.22 - $584.79
Q2 2023	3,642	$2	$465.29	$375.28 - $542.22
Q1 2023	4,605	$2	$449.31	$331.60 - $518.64
Q4 2022	23,378	$8	$350.38	$294.21 - $405.83
Q3 2022	21,227	$7,714	$432.95	$338.72 - $526.93
Q2 2022	21,068	$8,162	$410.37	$365.38 - $475.87
Q1 2022	20,044	$9,735	$422.77	$340.68 - $499.27
Q4 2021	18,379	$9,067	$500.08	$444.81 - $561.94
Q3 2021	2,775	$1,345	$440.15	$351.70 - $504.81
Q2 2021	3,702	$1,383	$340.03	$291.31 - $382.48
Q1 2021	3,480	$1,229	$351.26	$290.78 - $392.28
Q4 2020	3,371	$1,235	$308.64	$261.69 - $353.99
Q3 2020	3,826	$1,070	$250.15	$223.49 - $273.49
Q2 2020	4,003	$949	$194.18	$144.85 - $229.19
Q1 2020	4,509	$755	$163.85	$124.42 - $184.64
Q1 2015	9,880	$520	$45.64	$40.76 - $50.87