MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2025

Shares 1,271 Value ($000) $1,170 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 109 Value ($000) $80 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 2,349 Value ($000) $1,362 Avg Close $624.99 Range $550.94 - $718.03

Q1 2024

Shares 1,632 Value ($000) $1,106 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 2,781 Value ($000) $1,754 Avg Close $513.84 Range $385.61 - $636.41

Q4 2022

Shares 1,298 Value ($000) $459 Avg Close $350.38 Range $294.21 - $405.83

Q4 2021

Shares 446 Value ($000) $220 Avg Close $500.08 Range $444.81 - $561.94

Q4 2020

Shares 331 Value ($000) $121 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 1,459 Value ($000) $408 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 962 Value ($000) $228 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 94 Value ($000) $16 Avg Close $163.85 Range $124.42 - $184.64

Q2 2019

Shares 3,973 Value ($000) $539 Avg Close $129.05 Range $108.95 - $152.95

Q3 2018

Shares 12,558 Value ($000) $1,576 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 7,146 Value ($000) $955 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 7,130 Value ($000) $825 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 6,172 Value ($000) $693 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 9,043 Value ($000) $964 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 5,344 Value ($000) $515 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 9,440 Value ($000) $869 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 665 Value ($000) $54 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 4,898 Value ($000) $394 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 10,341 Value ($000) $706 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 4,679 Value ($000) $298 Avg Close $54.76 Range $50.58 - $59.11

Q2 2015

Shares 300 Value ($000) $15 Avg Close $48.11 Range $44.76 - $50.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,271	$1,170	$808.07	$684.50 - $934.81
Q2 2025	109	$80	$633.58	$436.42 - $750.80
Q1 2025	2,349	$1,362	$624.99	$550.94 - $718.03
Q1 2024	1,632	$1,106	$657.62	$552.66 - $766.48
Q4 2023	2,781	$1,754	$513.84	$385.61 - $636.41
Q4 2022	1,298	$459	$350.38	$294.21 - $405.83
Q4 2021	446	$220	$500.08	$444.81 - $561.94
Q4 2020	331	$121	$308.64	$261.69 - $353.99
Q3 2020	1,459	$408	$250.15	$223.49 - $273.49
Q2 2020	962	$228	$194.18	$144.85 - $229.19
Q1 2020	94	$16	$163.85	$124.42 - $184.64
Q2 2019	3,973	$539	$129.05	$108.95 - $152.95
Q3 2018	12,558	$1,576	$131.20	$117.51 - $143.26
Q2 2018	7,146	$955	$119.62	$102.58 - $133.88
Q1 2018	7,130	$825	$111.03	$96.61 - $119.53
Q4 2017	6,172	$693	$108.54	$98.18 - $118.56
Q3 2017	9,043	$964	$94.77	$87.95 - $100.67
Q2 2017	5,344	$515	$88.76	$82.13 - $96.78
Q1 2017	9,440	$869	$82.35	$76.05 - $87.81
Q4 2016	665	$54	$74.44	$69.57 - $81.67
Q3 2016	4,898	$394	$68.33	$60.21 - $75.04
Q2 2016	10,341	$706	$60.38	$55.33 - $65.50
Q1 2016	4,679	$298	$54.76	$50.58 - $59.11
Q2 2015	300	$15	$48.11	$44.76 - $50.50