MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 131,260 Value ($000) $118,969 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 138,100 Value ($000) $127,140 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 144,900 Value ($000) $105,977 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 137,600 Value ($000) $79,805 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 137,700 Value ($000) $81,477 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 144,500 Value ($000) $133,590 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 144,100 Value ($000) $118,404 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 143,500 Value ($000) $97,210 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 142,000 Value ($000) $89,571 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 144,900 Value ($000) $66,944 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 162,300 Value ($000) $87,679 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 176,900 Value ($000) $88,546 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 180,600 Value ($000) $63,862 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 192,089 Value ($000) $69,805 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 191,689 Value ($000) $73,616 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 189,589 Value ($000) $92,080 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 165,789 Value ($000) $81,789 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 171,789 Value ($000) $83,263 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 175,389 Value ($000) $65,499 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 164,800 Value ($000) $58,209 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 161,200 Value ($000) $59,036 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 96,300 Value ($000) $26,926 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 94,600 Value ($000) $22,420 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 80,000 Value ($000) $13,397 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 78,600 Value ($000) $13,992 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 77,000 Value ($000) $11,984 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 75,100 Value ($000) $10,197 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 73,400 Value ($000) $9,945 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 71,100 Value ($000) $8,265 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 69,900 Value ($000) $8,775 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 68,600 Value ($000) $9,170 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 68,600 Value ($000) $7,942 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 66,900 Value ($000) $7,517 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 65,600 Value ($000) $6,990 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 64,600 Value ($000) $6,227 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 63,800 Value ($000) $5,876 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 63,300 Value ($000) $5,186 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 62,000 Value ($000) $4,991 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 62,300 Value ($000) $4,256 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 61,800 Value ($000) $3,796 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 49,600 Value ($000) $3,160 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 49,600 Value ($000) $2,540 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 42,700 Value ($000) $2,165 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 41,500 Value ($000) $2,185 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 41,500 Value ($000) $2,064 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 40,500 Value ($000) $1,784 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 40,900 Value ($000) $1,732 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 39,400 Value ($000) $1,528 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 30,600 Value ($000) $1,061 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 30,000 Value ($000) $908 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 30,900 Value ($000) $745 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	131,260	$118,969	$960.73	$831.77 - $1121.48
Q3 2025	138,100	$127,140	$808.07	$684.50 - $934.81
Q2 2025	144,900	$105,977	$633.58	$436.42 - $750.80
Q1 2025	137,600	$79,805	$624.99	$550.94 - $718.03
Q4 2024	137,700	$81,477	$716.72	$541.09 - $944.19
Q3 2024	144,500	$133,590	$853.35	$721.11 - $948.49
Q2 2024	144,100	$118,404	$712.18	$577.26 - $845.04
Q1 2024	143,500	$97,210	$657.62	$552.66 - $766.48
Q4 2023	142,000	$89,571	$513.84	$385.61 - $636.41
Q3 2023	144,900	$66,944	$501.94	$430.22 - $584.79
Q2 2023	162,300	$87,679	$465.29	$375.28 - $542.22
Q1 2023	176,900	$88,546	$449.31	$331.60 - $518.64
Q4 2022	180,600	$63,862	$350.38	$294.21 - $405.83
Q3 2022	192,089	$69,805	$432.95	$338.72 - $526.93
Q2 2022	191,689	$73,616	$410.37	$365.38 - $475.87
Q1 2022	189,589	$92,080	$422.77	$340.68 - $499.27
Q4 2021	165,789	$81,789	$500.08	$444.81 - $561.94
Q3 2021	171,789	$83,263	$440.15	$351.70 - $504.81
Q2 2021	175,389	$65,499	$340.03	$291.31 - $382.48
Q1 2021	164,800	$58,209	$351.26	$290.78 - $392.28
Q4 2020	161,200	$59,036	$308.64	$261.69 - $353.99
Q3 2020	96,300	$26,926	$250.15	$223.49 - $273.49
Q2 2020	94,600	$22,420	$194.18	$144.85 - $229.19
Q1 2020	80,000	$13,397	$163.85	$124.42 - $184.64
Q4 2019	78,600	$13,992	$152.39	$125.11 - $175.03
Q3 2019	77,000	$11,984	$142.31	$127.77 - $155.32
Q2 2019	75,100	$10,197	$129.05	$108.95 - $152.95
Q1 2019	73,400	$9,945	$124.16	$101.64 - $137.81
Q4 2018	71,100	$8,265	$112.91	$96.22 - $130.06
Q3 2018	69,900	$8,775	$131.20	$117.51 - $143.26
Q2 2018	68,600	$9,170	$119.62	$102.58 - $133.88
Q1 2018	68,600	$7,942	$111.03	$96.61 - $119.53
Q4 2017	66,900	$7,517	$108.54	$98.18 - $118.56
Q3 2017	65,600	$6,990	$94.77	$87.95 - $100.67
Q2 2017	64,600	$6,227	$88.76	$82.13 - $96.78
Q1 2017	63,800	$5,876	$82.35	$76.05 - $87.81
Q4 2016	63,300	$5,186	$74.44	$69.57 - $81.67
Q3 2016	62,000	$4,991	$68.33	$60.21 - $75.04
Q2 2016	62,300	$4,256	$60.38	$55.33 - $65.50
Q1 2016	61,800	$3,796	$54.76	$50.58 - $59.11
Q4 2015	49,600	$3,160	$56.88	$45.12 - $63.43
Q3 2015	49,600	$2,540	$45.23	$37.18 - $48.10
Q2 2015	42,700	$2,165	$48.11	$44.76 - $50.50
Q1 2015	41,500	$2,185	$45.64	$40.76 - $50.87
Q4 2014	41,500	$2,064	$40.54	$30.68 - $45.83
Q3 2014	40,500	$1,784	$39.57	$36.40 - $43.40
Q2 2014	40,900	$1,732	$34.76	$31.35 - $38.50
Q1 2014	39,400	$1,528	$31.60	$27.60 - $35.10
Q4 2013	30,600	$1,061	$28.65	$24.43 - $31.16
Q3 2013	30,000	$908	$25.18	$21.26 - $28.18
Q2 2013	30,900	$745	$21.28	$18.50 - $22.86