MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Westover Capital Advisors, LLC's Holding History (CIK: 0001483467)

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

Q4 2025

Shares 1,405 Value ($000) $1,273 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 1,419 Value ($000) $1,306 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 1,443 Value ($000) $1,055 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 1,513 Value ($000) $878 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 2,329 Value ($000) $1,378 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 2,410 Value ($000) $2,228 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 2,453 Value ($000) $2,016 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 2,577 Value ($000) $1,746 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 2,634 Value ($000) $1,661 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 2,705 Value ($000) $1,250 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 2,929 Value ($000) $1,582 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 3,105 Value ($000) $1,554 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 3,202 Value ($000) $1,132 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 3,228 Value ($000) $1,173 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 3,876 Value ($000) $1,489 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 3,917 Value ($000) $1,902 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 4,175 Value ($000) $2,060 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 4,282 Value ($000) $2,075 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 4,304 Value ($000) $1,607 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 4,343 Value ($000) $1,534 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 4,873 Value ($000) $1,785 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 4,875 Value ($000) $1,363 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 6,192 Value ($000) $1,468 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 6,343 Value ($000) $1,062 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 6,545 Value ($000) $1,165 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 6,636 Value ($000) $1,033 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 6,855 Value ($000) $931 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 7,356 Value ($000) $997 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 11,286 Value ($000) $1,312 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 11,957 Value ($000) $1,501 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 12,466 Value ($000) $1,666 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 12,985 Value ($000) $1,503 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 13,044 Value ($000) $1,466 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 14,184 Value ($000) $1,511 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 15,234 Value ($000) $1,469 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 15,683 Value ($000) $1,444 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 15,981 Value ($000) $1,309 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 17,246 Value ($000) $1,388 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 18,037 Value ($000) $1,232 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 6,456 Value ($000) $411 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 6,656 Value ($000) $424 Avg Close $56.88 Range $45.12 - $63.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,405	$1,273	$960.73	$831.77 - $1121.48
Q3 2025	1,419	$1,306	$808.07	$684.50 - $934.81
Q2 2025	1,443	$1,055	$633.58	$436.42 - $750.80
Q1 2025	1,513	$878	$624.99	$550.94 - $718.03
Q4 2024	2,329	$1,378	$716.72	$541.09 - $944.19
Q3 2024	2,410	$2,228	$853.35	$721.11 - $948.49
Q2 2024	2,453	$2,016	$712.18	$577.26 - $845.04
Q1 2024	2,577	$1,746	$657.62	$552.66 - $766.48
Q4 2023	2,634	$1,661	$513.84	$385.61 - $636.41
Q3 2023	2,705	$1,250	$501.94	$430.22 - $584.79
Q2 2023	2,929	$1,582	$465.29	$375.28 - $542.22
Q1 2023	3,105	$1,554	$449.31	$331.60 - $518.64
Q4 2022	3,202	$1,132	$350.38	$294.21 - $405.83
Q3 2022	3,228	$1,173	$432.95	$338.72 - $526.93
Q2 2022	3,876	$1,489	$410.37	$365.38 - $475.87
Q1 2022	3,917	$1,902	$422.77	$340.68 - $499.27
Q4 2021	4,175	$2,060	$500.08	$444.81 - $561.94
Q3 2021	4,282	$2,075	$440.15	$351.70 - $504.81
Q2 2021	4,304	$1,607	$340.03	$291.31 - $382.48
Q1 2021	4,343	$1,534	$351.26	$290.78 - $392.28
Q4 2020	4,873	$1,785	$308.64	$261.69 - $353.99
Q3 2020	4,875	$1,363	$250.15	$223.49 - $273.49
Q2 2020	6,192	$1,468	$194.18	$144.85 - $229.19
Q1 2020	6,343	$1,062	$163.85	$124.42 - $184.64
Q4 2019	6,545	$1,165	$152.39	$125.11 - $175.03
Q3 2019	6,636	$1,033	$142.31	$127.77 - $155.32
Q2 2019	6,855	$931	$129.05	$108.95 - $152.95
Q1 2019	7,356	$997	$124.16	$101.64 - $137.81
Q4 2018	11,286	$1,312	$112.91	$96.22 - $130.06
Q3 2018	11,957	$1,501	$131.20	$117.51 - $143.26
Q2 2018	12,466	$1,666	$119.62	$102.58 - $133.88
Q1 2018	12,985	$1,503	$111.03	$96.61 - $119.53
Q4 2017	13,044	$1,466	$108.54	$98.18 - $118.56
Q3 2017	14,184	$1,511	$94.77	$87.95 - $100.67
Q2 2017	15,234	$1,469	$88.76	$82.13 - $96.78
Q1 2017	15,683	$1,444	$82.35	$76.05 - $87.81
Q4 2016	15,981	$1,309	$74.44	$69.57 - $81.67
Q3 2016	17,246	$1,388	$68.33	$60.21 - $75.04
Q2 2016	18,037	$1,232	$60.38	$55.33 - $65.50
Q1 2016	6,456	$411	$54.76	$50.58 - $59.11
Q4 2015	6,656	$424	$56.88	$45.12 - $63.43