MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

LOS ANGELES CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177206)

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

Q4 2025

Shares 6,953 Value ($000) $7,562 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 23,245 Value ($000) $21,400 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 26,413 Value ($000) $19,318 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 5,012 Value ($000) $2,907 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 11,178 Value ($000) $6,614 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 19,956 Value ($000) $18,449 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 42,353 Value ($000) $34,801 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 43,353 Value ($000) $29,368 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 5,019 Value ($000) $3,166 Avg Close $513.84 Range $385.61 - $636.41

Q2 2023

Shares 1,034 Value ($000) $559 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 392,763 Value ($000) $196,594 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 383,651 Value ($000) $135,663 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 399,477 Value ($000) $145,170 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 156,673 Value ($000) $60,169 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 77,376 Value ($000) $37,580 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 62,894 Value ($000) $31,027 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 64,417 Value ($000) $31,222 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 63,177 Value ($000) $23,593 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 63,185 Value ($000) $22,318 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 75,044 Value ($000) $27,483 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 53,710 Value ($000) $15,018 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 57,939 Value ($000) $13,732 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 56,688 Value ($000) $9,493 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 58,559 Value ($000) $10,425 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 49,007 Value ($000) $7,627 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 48,877 Value ($000) $6,637 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 50,542 Value ($000) $6,848 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 50,442 Value ($000) $5,864 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 50,342 Value ($000) $6,319 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 1,822 Value ($000) $244 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 4,482 Value ($000) $519 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 4,482 Value ($000) $504 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 5,162 Value ($000) $550 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 2,392 Value ($000) $231 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 2,292 Value ($000) $211 Avg Close $82.35 Range $76.05 - $87.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,953	$7,562	$960.73	$831.77 - $1121.48
Q3 2025	23,245	$21,400	$808.07	$684.50 - $934.81
Q2 2025	26,413	$19,318	$633.58	$436.42 - $750.80
Q1 2025	5,012	$2,907	$624.99	$550.94 - $718.03
Q4 2024	11,178	$6,614	$716.72	$541.09 - $944.19
Q3 2024	19,956	$18,449	$853.35	$721.11 - $948.49
Q2 2024	42,353	$34,801	$712.18	$577.26 - $845.04
Q1 2024	43,353	$29,368	$657.62	$552.66 - $766.48
Q4 2023	5,019	$3,166	$513.84	$385.61 - $636.41
Q2 2023	1,034	$559	$465.29	$375.28 - $542.22
Q1 2023	392,763	$196,594	$449.31	$331.60 - $518.64
Q4 2022	383,651	$135,663	$350.38	$294.21 - $405.83
Q3 2022	399,477	$145,170	$432.95	$338.72 - $526.93
Q2 2022	156,673	$60,169	$410.37	$365.38 - $475.87
Q1 2022	77,376	$37,580	$422.77	$340.68 - $499.27
Q4 2021	62,894	$31,027	$500.08	$444.81 - $561.94
Q3 2021	64,417	$31,222	$440.15	$351.70 - $504.81
Q2 2021	63,177	$23,593	$340.03	$291.31 - $382.48
Q1 2021	63,185	$22,318	$351.26	$290.78 - $392.28
Q4 2020	75,044	$27,483	$308.64	$261.69 - $353.99
Q3 2020	53,710	$15,018	$250.15	$223.49 - $273.49
Q2 2020	57,939	$13,732	$194.18	$144.85 - $229.19
Q1 2020	56,688	$9,493	$163.85	$124.42 - $184.64
Q4 2019	58,559	$10,425	$152.39	$125.11 - $175.03
Q3 2019	49,007	$7,627	$142.31	$127.77 - $155.32
Q2 2019	48,877	$6,637	$129.05	$108.95 - $152.95
Q1 2019	50,542	$6,848	$124.16	$101.64 - $137.81
Q4 2018	50,442	$5,864	$112.91	$96.22 - $130.06
Q3 2018	50,342	$6,319	$131.20	$117.51 - $143.26
Q2 2018	1,822	$244	$119.62	$102.58 - $133.88
Q1 2018	4,482	$519	$111.03	$96.61 - $119.53
Q4 2017	4,482	$504	$108.54	$98.18 - $118.56
Q3 2017	5,162	$550	$94.77	$87.95 - $100.67
Q2 2017	2,392	$231	$88.76	$82.13 - $96.78
Q1 2017	2,292	$211	$82.35	$76.05 - $87.81