MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 604,802 Value ($000) $548,168 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 322,115 Value ($000) $297,795 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 438,599 Value ($000) $320,783 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 368,703 Value ($000) $213,840 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 332,859 Value ($000) $196,953 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 322,115 Value ($000) $298 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 306,765 Value ($000) $252,063 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 313,766 Value ($000) $212,551 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 284,156 Value ($000) $179,240 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 240,143 Value ($000) $110,946 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 207,189 Value ($000) $112 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 109,827 Value ($000) $55 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 90,506 Value ($000) $32 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 120,199 Value ($000) $43,679 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 91,133 Value ($000) $34,999 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 144,569 Value ($000) $70,216 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 171,563 Value ($000) $84,636 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 74,744 Value ($000) $36,228 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 128,482 Value ($000) $47,981 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 111,756 Value ($000) $39,474 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 65,847 Value ($000) $24,116 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 24,193 Value ($000) $6,766 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 25,380 Value ($000) $6,015 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 22,590 Value ($000) $3,783 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 62,035 Value ($000) $11,043 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 24,923 Value ($000) $3,880 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 11,339 Value ($000) $1,542 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 22,514 Value ($000) $3,050 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 8,410 Value ($000) $978 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 47,829 Value ($000) $6,005 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 62,825 Value ($000) $8,399 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 11,277 Value ($000) $1,305 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 8,657 Value ($000) $973 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 1,376 Value ($000) $148 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 20,950 Value ($000) $2,020 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 5,299 Value ($000) $488 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 3,317 Value ($000) $271 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 771 Value ($000) $62 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 1,535 Value ($000) $104 Avg Close $60.38 Range $55.33 - $65.50

Q4 2015

Shares 116 Value ($000) $7 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 559 Value ($000) $29 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 1,018 Value ($000) $52 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 2,659 Value ($000) $139 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 4,682 Value ($000) $230 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 1,596 Value ($000) $70 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 17,323 Value ($000) $728 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 27,913 Value ($000) $1,061 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 44,288 Value ($000) $1,506 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 160,562 Value ($000) $4,817 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 59,173 Value ($000) $1,427 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	604,802	$548,168	$960.73	$831.77 - $1121.48
Q3 2025	322,115	$297,795	$808.07	$684.50 - $934.81
Q2 2025	438,599	$320,783	$633.58	$436.42 - $750.80
Q1 2025	368,703	$213,840	$624.99	$550.94 - $718.03
Q4 2024	332,859	$196,953	$716.72	$541.09 - $944.19
Q3 2024	322,115	$298	$853.35	$721.11 - $948.49
Q2 2024	306,765	$252,063	$712.18	$577.26 - $845.04
Q1 2024	313,766	$212,551	$657.62	$552.66 - $766.48
Q4 2023	284,156	$179,240	$513.84	$385.61 - $636.41
Q3 2023	240,143	$110,946	$501.94	$430.22 - $584.79
Q2 2023	207,189	$112	$465.29	$375.28 - $542.22
Q1 2023	109,827	$55	$449.31	$331.60 - $518.64
Q4 2022	90,506	$32	$350.38	$294.21 - $405.83
Q3 2022	120,199	$43,679	$432.95	$338.72 - $526.93
Q2 2022	91,133	$34,999	$410.37	$365.38 - $475.87
Q1 2022	144,569	$70,216	$422.77	$340.68 - $499.27
Q4 2021	171,563	$84,636	$500.08	$444.81 - $561.94
Q3 2021	74,744	$36,228	$440.15	$351.70 - $504.81
Q2 2021	128,482	$47,981	$340.03	$291.31 - $382.48
Q1 2021	111,756	$39,474	$351.26	$290.78 - $392.28
Q4 2020	65,847	$24,116	$308.64	$261.69 - $353.99
Q3 2020	24,193	$6,766	$250.15	$223.49 - $273.49
Q2 2020	25,380	$6,015	$194.18	$144.85 - $229.19
Q1 2020	22,590	$3,783	$163.85	$124.42 - $184.64
Q4 2019	62,035	$11,043	$152.39	$125.11 - $175.03
Q3 2019	24,923	$3,880	$142.31	$127.77 - $155.32
Q2 2019	11,339	$1,542	$129.05	$108.95 - $152.95
Q1 2019	22,514	$3,050	$124.16	$101.64 - $137.81
Q4 2018	8,410	$978	$112.91	$96.22 - $130.06
Q3 2018	47,829	$6,005	$131.20	$117.51 - $143.26
Q2 2018	62,825	$8,399	$119.62	$102.58 - $133.88
Q1 2018	11,277	$1,305	$111.03	$96.61 - $119.53
Q4 2017	8,657	$973	$108.54	$98.18 - $118.56
Q3 2017	1,376	$148	$94.77	$87.95 - $100.67
Q2 2017	20,950	$2,020	$88.76	$82.13 - $96.78
Q1 2017	5,299	$488	$82.35	$76.05 - $87.81
Q4 2016	3,317	$271	$74.44	$69.57 - $81.67
Q3 2016	771	$62	$68.33	$60.21 - $75.04
Q2 2016	1,535	$104	$60.38	$55.33 - $65.50
Q4 2015	116	$7	$56.88	$45.12 - $63.43
Q3 2015	559	$29	$45.23	$37.18 - $48.10
Q2 2015	1,018	$52	$48.11	$44.76 - $50.50
Q1 2015	2,659	$139	$45.64	$40.76 - $50.87
Q4 2014	4,682	$230	$40.54	$30.68 - $45.83
Q3 2014	1,596	$70	$39.57	$36.40 - $43.40
Q2 2014	17,323	$728	$34.76	$31.35 - $38.50
Q1 2014	27,913	$1,061	$31.60	$27.60 - $35.10
Q4 2013	44,288	$1,506	$28.65	$24.43 - $31.16
Q3 2013	160,562	$4,817	$25.18	$21.26 - $28.18
Q2 2013	59,173	$1,427	$21.28	$18.50 - $22.86