MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2025

Shares 17,850 Value ($000) $16,206 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 15,806 Value ($000) $14,576 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 11,442 Value ($000) $8,386 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 13,712 Value ($000) $7,974 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 18,975 Value ($000) $11,251 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 19,594 Value ($000) $18,139 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 12,457 Value ($000) $10,251 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 11,981 Value ($000) $8,131 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 11,748 Value ($000) $7,410 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 10,728 Value ($000) $4,956 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 10,898 Value ($000) $5,887 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 10,888 Value ($000) $5 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 14,287 Value ($000) $5 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 13,683 Value ($000) $4,964 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 14,020 Value ($000) $5,384 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 11,920 Value ($000) $5,789 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 11,820 Value ($000) $4,763 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 10,530 Value ($000) $5,104 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 10,530 Value ($000) $3,932 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 10,530 Value ($000) $3,719 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 10,530 Value ($000) $3,856 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 10,400 Value ($000) $2,908 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 10,400 Value ($000) $2,465 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 10,700 Value ($000) $1,792 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 10,000 Value ($000) $1,780 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 10,000 Value ($000) $1,556 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 10,000 Value ($000) $1,358 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 11,000 Value ($000) $1,490 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 11,000 Value ($000) $1,279 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 5,300 Value ($000) $665 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 5,300 Value ($000) $708 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 5,210 Value ($000) $603 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 5,210 Value ($000) $585 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 210 Value ($000) $22 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 210 Value ($000) $20 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 210 Value ($000) $19 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 400 Value ($000) $33 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 400 Value ($000) $32 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 400 Value ($000) $27 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 400 Value ($000) $25 Avg Close $54.76 Range $50.58 - $59.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,850	$16,206	$960.73	$831.77 - $1121.48
Q3 2025	15,806	$14,576	$808.07	$684.50 - $934.81
Q2 2025	11,442	$8,386	$633.58	$436.42 - $750.80
Q1 2025	13,712	$7,974	$624.99	$550.94 - $718.03
Q4 2024	18,975	$11,251	$716.72	$541.09 - $944.19
Q3 2024	19,594	$18,139	$853.35	$721.11 - $948.49
Q2 2024	12,457	$10,251	$712.18	$577.26 - $845.04
Q1 2024	11,981	$8,131	$657.62	$552.66 - $766.48
Q4 2023	11,748	$7,410	$513.84	$385.61 - $636.41
Q3 2023	10,728	$4,956	$501.94	$430.22 - $584.79
Q2 2023	10,898	$5,887	$465.29	$375.28 - $542.22
Q1 2023	10,888	$5	$449.31	$331.60 - $518.64
Q4 2022	14,287	$5	$350.38	$294.21 - $405.83
Q3 2022	13,683	$4,964	$432.95	$338.72 - $526.93
Q2 2022	14,020	$5,384	$410.37	$365.38 - $475.87
Q1 2022	11,920	$5,789	$422.77	$340.68 - $499.27
Q4 2021	11,820	$4,763	$500.08	$444.81 - $561.94
Q3 2021	10,530	$5,104	$440.15	$351.70 - $504.81
Q2 2021	10,530	$3,932	$340.03	$291.31 - $382.48
Q1 2021	10,530	$3,719	$351.26	$290.78 - $392.28
Q4 2020	10,530	$3,856	$308.64	$261.69 - $353.99
Q3 2020	10,400	$2,908	$250.15	$223.49 - $273.49
Q2 2020	10,400	$2,465	$194.18	$144.85 - $229.19
Q1 2020	10,700	$1,792	$163.85	$124.42 - $184.64
Q4 2019	10,000	$1,780	$152.39	$125.11 - $175.03
Q3 2019	10,000	$1,556	$142.31	$127.77 - $155.32
Q2 2019	10,000	$1,358	$129.05	$108.95 - $152.95
Q1 2019	11,000	$1,490	$124.16	$101.64 - $137.81
Q4 2018	11,000	$1,279	$112.91	$96.22 - $130.06
Q3 2018	5,300	$665	$131.20	$117.51 - $143.26
Q2 2018	5,300	$708	$119.62	$102.58 - $133.88
Q1 2018	5,210	$603	$111.03	$96.61 - $119.53
Q4 2017	5,210	$585	$108.54	$98.18 - $118.56
Q3 2017	210	$22	$94.77	$87.95 - $100.67
Q2 2017	210	$20	$88.76	$82.13 - $96.78
Q1 2017	210	$19	$82.35	$76.05 - $87.81
Q4 2016	400	$33	$74.44	$69.57 - $81.67
Q3 2016	400	$32	$68.33	$60.21 - $75.04
Q2 2016	400	$27	$60.38	$55.33 - $65.50
Q1 2016	400	$25	$54.76	$50.58 - $59.11