MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Robeco Schweiz AG's Holding History (CIK: 0001418427)

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

Q4 2025

Shares 95,018 Value ($000) $86,121 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 103,237 Value ($000) $95,044 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 106,743 Value ($000) $78,070 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 116,046 Value ($000) $67,304 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 110,227 Value ($000) $65,221 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 139,817 Value ($000) $129,261 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 142,247 Value ($000) $116,882 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 225,917 Value ($000) $153,041 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 250,372 Value ($000) $157,930 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 244,210 Value ($000) $112,825 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 248,810 Value ($000) $134,415 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 238,650 Value ($000) $119,454 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 241,380 Value ($000) $85,354 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 241,480 Value ($000) $87,754 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 235,425 Value ($000) $90,413 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 235,425 Value ($000) $114,341 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 152,700 Value ($000) $75,331 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 160,906 Value ($000) $77,988 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 265,977 Value ($000) $99,329 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 291,539 Value ($000) $102,974 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 201,000 Value ($000) $73,612 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 201,500 Value ($000) $56,341 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 311,000 Value ($000) $73,707 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 295,000 Value ($000) $48,731 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 221,000 Value ($000) $39,424 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 132,000 Value ($000) $20,674 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 163,000 Value ($000) $21,650 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 294,000 Value ($000) $39,834 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 667,000 Value ($000) $76,705 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 649,000 Value ($000) $81,975 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 600,000 Value ($000) $80,742 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 560,000 Value ($000) $64,831 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 100,000 Value ($000) $11,331 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 100,000 Value ($000) $10,643 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 90,000 Value ($000) $8,741 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 125,000 Value ($000) $11,491 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 75,000 Value ($000) $6,242 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 112,500 Value ($000) $8,882 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 120,000 Value ($000) $8,030 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 92,000 Value ($000) $5,755 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 203,500 Value ($000) $13,183 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 264,000 Value ($000) $13,079 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 180,800 Value ($000) $9,185 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 95,000 Value ($000) $5,067 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 163,500 Value ($000) $8,144 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 108,000 Value ($000) $4,818 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 172,000 Value ($000) $7,246 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 100,500 Value ($000) $3,731 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 111,000 Value ($000) $3,791 Avg Close $28.65 Range $24.43 - $31.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	95,018	$86,121	$960.73	$831.77 - $1121.48
Q3 2025	103,237	$95,044	$808.07	$684.50 - $934.81
Q2 2025	106,743	$78,070	$633.58	$436.42 - $750.80
Q1 2025	116,046	$67,304	$624.99	$550.94 - $718.03
Q4 2024	110,227	$65,221	$716.72	$541.09 - $944.19
Q3 2024	139,817	$129,261	$853.35	$721.11 - $948.49
Q2 2024	142,247	$116,882	$712.18	$577.26 - $845.04
Q1 2024	225,917	$153,041	$657.62	$552.66 - $766.48
Q4 2023	250,372	$157,930	$513.84	$385.61 - $636.41
Q3 2023	244,210	$112,825	$501.94	$430.22 - $584.79
Q2 2023	248,810	$134,415	$465.29	$375.28 - $542.22
Q1 2023	238,650	$119,454	$449.31	$331.60 - $518.64
Q4 2022	241,380	$85,354	$350.38	$294.21 - $405.83
Q3 2022	241,480	$87,754	$432.95	$338.72 - $526.93
Q2 2022	235,425	$90,413	$410.37	$365.38 - $475.87
Q1 2022	235,425	$114,341	$422.77	$340.68 - $499.27
Q4 2021	152,700	$75,331	$500.08	$444.81 - $561.94
Q3 2021	160,906	$77,988	$440.15	$351.70 - $504.81
Q2 2021	265,977	$99,329	$340.03	$291.31 - $382.48
Q1 2021	291,539	$102,974	$351.26	$290.78 - $392.28
Q4 2020	201,000	$73,612	$308.64	$261.69 - $353.99
Q3 2020	201,500	$56,341	$250.15	$223.49 - $273.49
Q2 2020	311,000	$73,707	$194.18	$144.85 - $229.19
Q1 2020	295,000	$48,731	$163.85	$124.42 - $184.64
Q4 2019	221,000	$39,424	$152.39	$125.11 - $175.03
Q3 2019	132,000	$20,674	$142.31	$127.77 - $155.32
Q2 2019	163,000	$21,650	$129.05	$108.95 - $152.95
Q1 2019	294,000	$39,834	$124.16	$101.64 - $137.81
Q4 2018	667,000	$76,705	$112.91	$96.22 - $130.06
Q3 2018	649,000	$81,975	$131.20	$117.51 - $143.26
Q2 2018	600,000	$80,742	$119.62	$102.58 - $133.88
Q1 2018	560,000	$64,831	$111.03	$96.61 - $119.53
Q4 2017	100,000	$11,331	$108.54	$98.18 - $118.56
Q3 2017	100,000	$10,643	$94.77	$87.95 - $100.67
Q2 2017	90,000	$8,741	$88.76	$82.13 - $96.78
Q1 2017	125,000	$11,491	$82.35	$76.05 - $87.81
Q4 2016	75,000	$6,242	$74.44	$69.57 - $81.67
Q3 2016	112,500	$8,882	$68.33	$60.21 - $75.04
Q2 2016	120,000	$8,030	$60.38	$55.33 - $65.50
Q1 2016	92,000	$5,755	$54.76	$50.58 - $59.11
Q4 2015	203,500	$13,183	$56.88	$45.12 - $63.43
Q3 2015	264,000	$13,079	$45.23	$37.18 - $48.10
Q2 2015	180,800	$9,185	$48.11	$44.76 - $50.50
Q1 2015	95,000	$5,067	$45.64	$40.76 - $50.87
Q4 2014	163,500	$8,144	$40.54	$30.68 - $45.83
Q3 2014	108,000	$4,818	$39.57	$36.40 - $43.40
Q2 2014	172,000	$7,246	$34.76	$31.35 - $38.50
Q1 2014	100,500	$3,731	$31.60	$27.60 - $35.10
Q4 2013	111,000	$3,791	$28.65	$24.43 - $31.16