MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q4 2025

Shares 701,454 Value ($000) $635,770 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 447,801 Value ($000) $412,263 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 269,179 Value ($000) $196,872 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 183,402 Value ($000) $106,369 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 77,094 Value ($000) $45,616 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 86,486 Value ($000) $79,956 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 79,605 Value ($000) $65,410 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 98,091 Value ($000) $66,449 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 32,918 Value ($000) $20,764 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 88,119 Value ($000) $40,711 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 92,627 Value ($000) $50,040 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 36,142 Value ($000) $18,090 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 26,524 Value ($000) $9,379 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 62,085 Value ($000) $22,561 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 75,819 Value ($000) $29,117 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 70,677 Value ($000) $34,326 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 110,630 Value ($000) $54,577 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 46,016 Value ($000) $22,303 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 105,096 Value ($000) $39,248 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 138,620 Value ($000) $48,962 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 154,892 Value ($000) $56,726 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 111,628 Value ($000) $31,212 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 159,676 Value ($000) $37,843 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 181,078 Value ($000) $30,323 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 229,491 Value ($000) $40,854 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 18,952 Value ($000) $2,949 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 244,565 Value ($000) $33,207 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 206,772 Value ($000) $28,016 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 79,168 Value ($000) $9,203 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 275,712 Value ($000) $34,610 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 34,747 Value ($000) $4,645 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 31,628 Value ($000) $3,662 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 34,853 Value ($000) $3,916 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 30,286 Value ($000) $3,227 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 30,541 Value ($000) $2,944 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 27,968 Value ($000) $2,576 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 44,072 Value ($000) $3,611 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 37,129 Value ($000) $2,989 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 35,559 Value ($000) $2,429 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 32,943 Value ($000) $2,096 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 38,850 Value ($000) $2,475 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 19,296 Value ($000) $988 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 34,756 Value ($000) $1,762 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 42,614 Value ($000) $2,244 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 56,015 Value ($000) $2,786 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 56,772 Value ($000) $2,501 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 58,653 Value ($000) $2,484 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 25,575 Value ($000) $992 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 34,712 Value ($000) $1,203 Avg Close $28.65 Range $24.43 - $31.16

Q2 2013

Shares 14,551 Value ($000) $351 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	701,454	$635,770	$960.73	$831.77 - $1121.48
Q3 2025	447,801	$412,263	$808.07	$684.50 - $934.81
Q2 2025	269,179	$196,872	$633.58	$436.42 - $750.80
Q1 2025	183,402	$106,369	$624.99	$550.94 - $718.03
Q4 2024	77,094	$45,616	$716.72	$541.09 - $944.19
Q3 2024	86,486	$79,956	$853.35	$721.11 - $948.49
Q2 2024	79,605	$65,410	$712.18	$577.26 - $845.04
Q1 2024	98,091	$66,449	$657.62	$552.66 - $766.48
Q4 2023	32,918	$20,764	$513.84	$385.61 - $636.41
Q3 2023	88,119	$40,711	$501.94	$430.22 - $584.79
Q2 2023	92,627	$50,040	$465.29	$375.28 - $542.22
Q1 2023	36,142	$18,090	$449.31	$331.60 - $518.64
Q4 2022	26,524	$9,379	$350.38	$294.21 - $405.83
Q3 2022	62,085	$22,561	$432.95	$338.72 - $526.93
Q2 2022	75,819	$29,117	$410.37	$365.38 - $475.87
Q1 2022	70,677	$34,326	$422.77	$340.68 - $499.27
Q4 2021	110,630	$54,577	$500.08	$444.81 - $561.94
Q3 2021	46,016	$22,303	$440.15	$351.70 - $504.81
Q2 2021	105,096	$39,248	$340.03	$291.31 - $382.48
Q1 2021	138,620	$48,962	$351.26	$290.78 - $392.28
Q4 2020	154,892	$56,726	$308.64	$261.69 - $353.99
Q3 2020	111,628	$31,212	$250.15	$223.49 - $273.49
Q2 2020	159,676	$37,843	$194.18	$144.85 - $229.19
Q1 2020	181,078	$30,323	$163.85	$124.42 - $184.64
Q4 2019	229,491	$40,854	$152.39	$125.11 - $175.03
Q3 2019	18,952	$2,949	$142.31	$127.77 - $155.32
Q2 2019	244,565	$33,207	$129.05	$108.95 - $152.95
Q1 2019	206,772	$28,016	$124.16	$101.64 - $137.81
Q4 2018	79,168	$9,203	$112.91	$96.22 - $130.06
Q3 2018	275,712	$34,610	$131.20	$117.51 - $143.26
Q2 2018	34,747	$4,645	$119.62	$102.58 - $133.88
Q1 2018	31,628	$3,662	$111.03	$96.61 - $119.53
Q4 2017	34,853	$3,916	$108.54	$98.18 - $118.56
Q3 2017	30,286	$3,227	$94.77	$87.95 - $100.67
Q2 2017	30,541	$2,944	$88.76	$82.13 - $96.78
Q1 2017	27,968	$2,576	$82.35	$76.05 - $87.81
Q4 2016	44,072	$3,611	$74.44	$69.57 - $81.67
Q3 2016	37,129	$2,989	$68.33	$60.21 - $75.04
Q2 2016	35,559	$2,429	$60.38	$55.33 - $65.50
Q1 2016	32,943	$2,096	$54.76	$50.58 - $59.11
Q4 2015	38,850	$2,475	$56.88	$45.12 - $63.43
Q3 2015	19,296	$988	$45.23	$37.18 - $48.10
Q2 2015	34,756	$1,762	$48.11	$44.76 - $50.50
Q1 2015	42,614	$2,244	$45.64	$40.76 - $50.87
Q4 2014	56,015	$2,786	$40.54	$30.68 - $45.83
Q3 2014	56,772	$2,501	$39.57	$36.40 - $43.40
Q2 2014	58,653	$2,484	$34.76	$31.35 - $38.50
Q1 2014	25,575	$992	$31.60	$27.60 - $35.10
Q4 2013	34,712	$1,203	$28.65	$24.43 - $31.16
Q2 2013	14,551	$351	$21.28	$18.50 - $22.86