MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 32,775 Value ($000) $12,003 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 27,158 Value ($000) $7,594 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 26,843 Value ($000) $6,362 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 24,807 Value ($000) $4,154 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 23,963 Value ($000) $4,266 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 23,580 Value ($000) $3,670 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 24,425 Value ($000) $3,316 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 22,739 Value ($000) $3,081 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 24,483 Value ($000) $2,846 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 25,336 Value ($000) $3,180 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 23,878 Value ($000) $3,192 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 21,463 Value ($000) $2,485 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 21,202 Value ($000) $2,382 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 17,790 Value ($000) $1,896 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 16,404 Value ($000) $1,581 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 15,267 Value ($000) $1,406 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 13,481 Value ($000) $1,104 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 13,198 Value ($000) $1,062 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 13,484 Value ($000) $921 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 12,465 Value ($000) $793 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 10,679 Value ($000) $680 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 9,009 Value ($000) $461 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 7,344 Value ($000) $372 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 6,312 Value ($000) $332 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 5,130 Value ($000) $255 Avg Close $40.54 Range $30.68 - $45.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	32,775	$12,003	$308.64	$261.69 - $353.99
Q3 2020	27,158	$7,594	$250.15	$223.49 - $273.49
Q2 2020	26,843	$6,362	$194.18	$144.85 - $229.19
Q1 2020	24,807	$4,154	$163.85	$124.42 - $184.64
Q4 2019	23,963	$4,266	$152.39	$125.11 - $175.03
Q3 2019	23,580	$3,670	$142.31	$127.77 - $155.32
Q2 2019	24,425	$3,316	$129.05	$108.95 - $152.95
Q1 2019	22,739	$3,081	$124.16	$101.64 - $137.81
Q4 2018	24,483	$2,846	$112.91	$96.22 - $130.06
Q3 2018	25,336	$3,180	$131.20	$117.51 - $143.26
Q2 2018	23,878	$3,192	$119.62	$102.58 - $133.88
Q1 2018	21,463	$2,485	$111.03	$96.61 - $119.53
Q4 2017	21,202	$2,382	$108.54	$98.18 - $118.56
Q3 2017	17,790	$1,896	$94.77	$87.95 - $100.67
Q2 2017	16,404	$1,581	$88.76	$82.13 - $96.78
Q1 2017	15,267	$1,406	$82.35	$76.05 - $87.81
Q4 2016	13,481	$1,104	$74.44	$69.57 - $81.67
Q3 2016	13,198	$1,062	$68.33	$60.21 - $75.04
Q2 2016	13,484	$921	$60.38	$55.33 - $65.50
Q1 2016	12,465	$793	$54.76	$50.58 - $59.11
Q4 2015	10,679	$680	$56.88	$45.12 - $63.43
Q3 2015	9,009	$461	$45.23	$37.18 - $48.10
Q2 2015	7,344	$372	$48.11	$44.76 - $50.50
Q1 2015	6,312	$332	$45.64	$40.76 - $50.87
Q4 2014	5,130	$255	$40.54	$30.68 - $45.83