MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Pembroke Management, LTD's Holding History (CIK: 0001063497)

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

Q4 2025

Shares 53,142 Value ($000) $48,166 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 53,936 Value ($000) $49,656 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 54,969 Value ($000) $40,203 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 42,219 Value ($000) $24,486 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 37,969 Value ($000) $22,466 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 35,525 Value ($000) $32,843 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 41,496 Value ($000) $34,096 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 51,828 Value ($000) $35,109 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 54,897 Value ($000) $34,628 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 59,316 Value ($000) $27,404 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 66,563 Value ($000) $35,959 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 71,345 Value ($000) $35,711 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 76,714 Value ($000) $27,127 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 54,119 Value ($000) $19,666 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 54,919 Value ($000) $21,091 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 46,428 Value ($000) $22,549 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 45,453 Value ($000) $22,423 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 43,699 Value ($000) $21,180 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 45,842 Value ($000) $17,120 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 50,469 Value ($000) $17,826 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 77,607 Value ($000) $28,422 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 90,041 Value ($000) $25,176 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 90,747 Value ($000) $21,507 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 108,636 Value ($000) $18,192 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 90,873 Value ($000) $16,177 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 104,013 Value ($000) $16,188 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 110,737 Value ($000) $15,036 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 109,261 Value ($000) $14,804 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 140,013 Value ($000) $16,277 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 163,006 Value ($000) $20,462 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 188,726 Value ($000) $25,227 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 163,927 Value ($000) $18,978 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 113,900 Value ($000) $12,797 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 98,000 Value ($000) $10,442 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 92,800 Value ($000) $8,945 Avg Close $88.76 Range $82.13 - $96.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	53,142	$48,166	$960.73	$831.77 - $1121.48
Q3 2025	53,936	$49,656	$808.07	$684.50 - $934.81
Q2 2025	54,969	$40,203	$633.58	$436.42 - $750.80
Q1 2025	42,219	$24,486	$624.99	$550.94 - $718.03
Q4 2024	37,969	$22,466	$716.72	$541.09 - $944.19
Q3 2024	35,525	$32,843	$853.35	$721.11 - $948.49
Q2 2024	41,496	$34,096	$712.18	$577.26 - $845.04
Q1 2024	51,828	$35,109	$657.62	$552.66 - $766.48
Q4 2023	54,897	$34,628	$513.84	$385.61 - $636.41
Q3 2023	59,316	$27,404	$501.94	$430.22 - $584.79
Q2 2023	66,563	$35,959	$465.29	$375.28 - $542.22
Q1 2023	71,345	$35,711	$449.31	$331.60 - $518.64
Q4 2022	76,714	$27,127	$350.38	$294.21 - $405.83
Q3 2022	54,119	$19,666	$432.95	$338.72 - $526.93
Q2 2022	54,919	$21,091	$410.37	$365.38 - $475.87
Q1 2022	46,428	$22,549	$422.77	$340.68 - $499.27
Q4 2021	45,453	$22,423	$500.08	$444.81 - $561.94
Q3 2021	43,699	$21,180	$440.15	$351.70 - $504.81
Q2 2021	45,842	$17,120	$340.03	$291.31 - $382.48
Q1 2021	50,469	$17,826	$351.26	$290.78 - $392.28
Q4 2020	77,607	$28,422	$308.64	$261.69 - $353.99
Q3 2020	90,041	$25,176	$250.15	$223.49 - $273.49
Q2 2020	90,747	$21,507	$194.18	$144.85 - $229.19
Q1 2020	108,636	$18,192	$163.85	$124.42 - $184.64
Q4 2019	90,873	$16,177	$152.39	$125.11 - $175.03
Q3 2019	104,013	$16,188	$142.31	$127.77 - $155.32
Q2 2019	110,737	$15,036	$129.05	$108.95 - $152.95
Q1 2019	109,261	$14,804	$124.16	$101.64 - $137.81
Q4 2018	140,013	$16,277	$112.91	$96.22 - $130.06
Q3 2018	163,006	$20,462	$131.20	$117.51 - $143.26
Q2 2018	188,726	$25,227	$119.62	$102.58 - $133.88
Q1 2018	163,927	$18,978	$111.03	$96.61 - $119.53
Q4 2017	113,900	$12,797	$108.54	$98.18 - $118.56
Q3 2017	98,000	$10,442	$94.77	$87.95 - $100.67
Q2 2017	92,800	$8,945	$88.76	$82.13 - $96.78