MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 13,770 Value ($000) $12,481 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 14,070 Value ($000) $12,953 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 14,170 Value ($000) $10,364 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 13,770 Value ($000) $7,986 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 14,070 Value ($000) $8,325 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 14,070 Value ($000) $13,008 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 14,170 Value ($000) $11,643 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 13,770 Value ($000) $9,328 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 13,770 Value ($000) $8,686 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 13,670 Value ($000) $6,316 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 13,170 Value ($000) $7,115 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 12,870 Value ($000) $6,442 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 12,770 Value ($000) $4,516 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 12,670 Value ($000) $4,604 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 13,195 Value ($000) $5,067 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 11,670 Value ($000) $5,668 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 11,608 Value ($000) $5,727 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 11,100 Value ($000) $5,380 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 11,100 Value ($000) $4,145 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 10,800 Value ($000) $3,815 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 15,409 Value ($000) $5,643 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 15,409 Value ($000) $4,309 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 15,109 Value ($000) $3,581 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 18,281 Value ($000) $3,061 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 14,981 Value ($000) $2,667 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 11,700 Value ($000) $1,821 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 11,700 Value ($000) $1,589 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 14,100 Value ($000) $1,910 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 13,900 Value ($000) $1,616 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 14,400 Value ($000) $1,808 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 14,300 Value ($000) $1,911 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 14,100 Value ($000) $1,632 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 13,700 Value ($000) $1,539 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 14,300 Value ($000) $1,524 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 15,600 Value ($000) $1,504 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 15,400 Value ($000) $1,418 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 15,100 Value ($000) $1,237 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 15,000 Value ($000) $1,208 Avg Close $68.33 Range $60.21 - $75.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,770	$12,481	$960.73	$831.77 - $1121.48
Q3 2025	14,070	$12,953	$808.07	$684.50 - $934.81
Q2 2025	14,170	$10,364	$633.58	$436.42 - $750.80
Q1 2025	13,770	$7,986	$624.99	$550.94 - $718.03
Q4 2024	14,070	$8,325	$716.72	$541.09 - $944.19
Q3 2024	14,070	$13,008	$853.35	$721.11 - $948.49
Q2 2024	14,170	$11,643	$712.18	$577.26 - $845.04
Q1 2024	13,770	$9,328	$657.62	$552.66 - $766.48
Q4 2023	13,770	$8,686	$513.84	$385.61 - $636.41
Q3 2023	13,670	$6,316	$501.94	$430.22 - $584.79
Q2 2023	13,170	$7,115	$465.29	$375.28 - $542.22
Q1 2023	12,870	$6,442	$449.31	$331.60 - $518.64
Q4 2022	12,770	$4,516	$350.38	$294.21 - $405.83
Q3 2022	12,670	$4,604	$432.95	$338.72 - $526.93
Q2 2022	13,195	$5,067	$410.37	$365.38 - $475.87
Q1 2022	11,670	$5,668	$422.77	$340.68 - $499.27
Q4 2021	11,608	$5,727	$500.08	$444.81 - $561.94
Q3 2021	11,100	$5,380	$440.15	$351.70 - $504.81
Q2 2021	11,100	$4,145	$340.03	$291.31 - $382.48
Q1 2021	10,800	$3,815	$351.26	$290.78 - $392.28
Q4 2020	15,409	$5,643	$308.64	$261.69 - $353.99
Q3 2020	15,409	$4,309	$250.15	$223.49 - $273.49
Q2 2020	15,109	$3,581	$194.18	$144.85 - $229.19
Q1 2020	18,281	$3,061	$163.85	$124.42 - $184.64
Q4 2019	14,981	$2,667	$152.39	$125.11 - $175.03
Q3 2019	11,700	$1,821	$142.31	$127.77 - $155.32
Q2 2019	11,700	$1,589	$129.05	$108.95 - $152.95
Q1 2019	14,100	$1,910	$124.16	$101.64 - $137.81
Q4 2018	13,900	$1,616	$112.91	$96.22 - $130.06
Q3 2018	14,400	$1,808	$131.20	$117.51 - $143.26
Q2 2018	14,300	$1,911	$119.62	$102.58 - $133.88
Q1 2018	14,100	$1,632	$111.03	$96.61 - $119.53
Q4 2017	13,700	$1,539	$108.54	$98.18 - $118.56
Q3 2017	14,300	$1,524	$94.77	$87.95 - $100.67
Q2 2017	15,600	$1,504	$88.76	$82.13 - $96.78
Q1 2017	15,400	$1,418	$82.35	$76.05 - $87.81
Q4 2016	15,100	$1,237	$74.44	$69.57 - $81.67
Q3 2016	15,000	$1,208	$68.33	$60.21 - $75.04