MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2025

Shares 84,836 Value ($000) $76,892 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 85,230 Value ($000) $78,466 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 99,183 Value ($000) $72,540 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 96,112 Value ($000) $55,743 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 81,158 Value ($000) $48,021 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 84,621 Value ($000) $78,232 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 123,109 Value ($000) $101,156 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 81,130 Value ($000) $54,959 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 82,777 Value ($000) $52,214 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 84,989 Value ($000) $39,265 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 85,703 Value ($000) $46,299 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 92,284 Value ($000) $46,192 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 105,173 Value ($000) $37,190 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 101,914 Value ($000) $37,036 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 90,077 Value ($000) $34,593 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 92,892 Value ($000) $45,116 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 96,554 Value ($000) $47,633 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 100,466 Value ($000) $48,694 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 100,906 Value ($000) $37,683 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 103,725 Value ($000) $36,637 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 105,151 Value ($000) $38,509 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 99,971 Value ($000) $27,953 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 97,607 Value ($000) $23,133 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 94,722 Value ($000) $15,862 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 139,129 Value ($000) $24,768 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 92,235 Value ($000) $14,355 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 72,704 Value ($000) $9,872 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 77,827 Value ($000) $10,545 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 79,732 Value ($000) $9,269 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 89,656 Value ($000) $11,255 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 94,750 Value ($000) $12,665 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 107,835 Value ($000) $12,484 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 129,977 Value ($000) $14,604 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 126,844 Value ($000) $13,515 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 123,900 Value ($000) $11,944 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 125,000 Value ($000) $11,513 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 129,700 Value ($000) $10,626 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 137,900 Value ($000) $11,101 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 144,200 Value ($000) $9,852 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 148,300 Value ($000) $9,438 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 152,700 Value ($000) $9,729 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 149,700 Value ($000) $7,665 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 151,000 Value ($000) $7,657 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 158,921 Value ($000) $7,585 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 158,921 Value ($000) $7,585 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 199,098 Value ($000) $8,770 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 202,974 Value ($000) $8,596 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 199,419 Value ($000) $7,412 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 195,732 Value ($000) $6,635 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 153,072 Value ($000) $4,635 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 126,672 Value ($000) $3,054 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	84,836	$76,892	$960.73	$831.77 - $1121.48
Q3 2025	85,230	$78,466	$808.07	$684.50 - $934.81
Q2 2025	99,183	$72,540	$633.58	$436.42 - $750.80
Q1 2025	96,112	$55,743	$624.99	$550.94 - $718.03
Q4 2024	81,158	$48,021	$716.72	$541.09 - $944.19
Q3 2024	84,621	$78,232	$853.35	$721.11 - $948.49
Q2 2024	123,109	$101,156	$712.18	$577.26 - $845.04
Q1 2024	81,130	$54,959	$657.62	$552.66 - $766.48
Q4 2023	82,777	$52,214	$513.84	$385.61 - $636.41
Q3 2023	84,989	$39,265	$501.94	$430.22 - $584.79
Q2 2023	85,703	$46,299	$465.29	$375.28 - $542.22
Q1 2023	92,284	$46,192	$449.31	$331.60 - $518.64
Q4 2022	105,173	$37,190	$350.38	$294.21 - $405.83
Q3 2022	101,914	$37,036	$432.95	$338.72 - $526.93
Q2 2022	90,077	$34,593	$410.37	$365.38 - $475.87
Q1 2022	92,892	$45,116	$422.77	$340.68 - $499.27
Q4 2021	96,554	$47,633	$500.08	$444.81 - $561.94
Q3 2021	100,466	$48,694	$440.15	$351.70 - $504.81
Q2 2021	100,906	$37,683	$340.03	$291.31 - $382.48
Q1 2021	103,725	$36,637	$351.26	$290.78 - $392.28
Q4 2020	105,151	$38,509	$308.64	$261.69 - $353.99
Q3 2020	99,971	$27,953	$250.15	$223.49 - $273.49
Q2 2020	97,607	$23,133	$194.18	$144.85 - $229.19
Q1 2020	94,722	$15,862	$163.85	$124.42 - $184.64
Q4 2019	139,129	$24,768	$152.39	$125.11 - $175.03
Q3 2019	92,235	$14,355	$142.31	$127.77 - $155.32
Q2 2019	72,704	$9,872	$129.05	$108.95 - $152.95
Q1 2019	77,827	$10,545	$124.16	$101.64 - $137.81
Q4 2018	79,732	$9,269	$112.91	$96.22 - $130.06
Q3 2018	89,656	$11,255	$131.20	$117.51 - $143.26
Q2 2018	94,750	$12,665	$119.62	$102.58 - $133.88
Q1 2018	107,835	$12,484	$111.03	$96.61 - $119.53
Q4 2017	129,977	$14,604	$108.54	$98.18 - $118.56
Q3 2017	126,844	$13,515	$94.77	$87.95 - $100.67
Q2 2017	123,900	$11,944	$88.76	$82.13 - $96.78
Q1 2017	125,000	$11,513	$82.35	$76.05 - $87.81
Q4 2016	129,700	$10,626	$74.44	$69.57 - $81.67
Q3 2016	137,900	$11,101	$68.33	$60.21 - $75.04
Q2 2016	144,200	$9,852	$60.38	$55.33 - $65.50
Q1 2016	148,300	$9,438	$54.76	$50.58 - $59.11
Q4 2015	152,700	$9,729	$56.88	$45.12 - $63.43
Q3 2015	149,700	$7,665	$45.23	$37.18 - $48.10
Q2 2015	151,000	$7,657	$48.11	$44.76 - $50.50
Q1 2015	158,921	$7,585	$45.64	$40.76 - $50.87
Q4 2014	158,921	$7,585	$40.54	$30.68 - $45.83
Q3 2014	199,098	$8,770	$39.57	$36.40 - $43.40
Q2 2014	202,974	$8,596	$34.76	$31.35 - $38.50
Q1 2014	199,419	$7,412	$31.60	$27.60 - $35.10
Q4 2013	195,732	$6,635	$28.65	$24.43 - $31.16
Q3 2013	153,072	$4,635	$25.18	$21.26 - $28.18
Q2 2013	126,672	$3,054	$21.28	$18.50 - $22.86