MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2025
Shares 21,473 Value ($000) $19,963 Avg Close $960.73 Range $831.77 - $1121.48
Q3 2025
Shares 20,790 Value ($000) $19,140 Avg Close $808.07 Range $684.50 - $934.81
Q2 2025
Shares 21,468 Value ($000) $15,701 Avg Close $633.58 Range $436.42 - $750.80
Q1 2025
Shares 20,754 Value ($000) $12,037 Avg Close $624.99 Range $550.94 - $718.03
Q4 2024
Shares 20,512 Value ($000) $12,568 Avg Close $716.72 Range $541.09 - $944.19
Q3 2024
Shares 19,478 Value ($000) $18,007 Avg Close $853.35 Range $721.11 - $948.49
Q2 2024
Shares 19,325 Value ($000) $15,879 Avg Close $712.18 Range $577.26 - $845.04
Q1 2024
Shares 19,458 Value ($000) $13,181 Avg Close $657.62 Range $552.66 - $766.48
Q4 2023
Shares 19,262 Value ($000) $12,178 Avg Close $513.84 Range $385.61 - $636.41
Q3 2023
Shares 19,507 Value ($000) $9,012 Avg Close $501.94 Range $430.22 - $584.79
Q2 2023
Shares 19,237 Value ($000) $10,392 Avg Close $465.29 Range $375.28 - $542.22
Q1 2023
Shares 21,008 Value ($000) $10,515 Avg Close $449.31 Range $331.60 - $518.64
Q4 2022
Shares 21,682 Value ($000) $7,663 Avg Close $350.38 Range $294.21 - $405.83
Q3 2022
Shares 23,729 Value ($000) $8,623 Avg Close $432.95 Range $338.72 - $526.93
Q2 2022
Shares 25,742 Value ($000) $9,885 Avg Close $410.37 Range $365.38 - $475.87
Q1 2022
Shares 26,538 Value ($000) $12,889 Avg Close $422.77 Range $340.68 - $499.27
Q4 2021
Shares 26,165 Value ($000) $13,035 Avg Close $500.08 Range $444.81 - $561.94
Q3 2021
Shares 24,066 Value ($000) $11,664 Avg Close $440.15 Range $351.70 - $504.81
Q2 2021
Shares 23,615 Value ($000) $8,819 Avg Close $340.03 Range $291.31 - $382.48
Q1 2021
Shares 19,242 Value ($000) $6,796 Avg Close $351.26 Range $290.78 - $392.28
Q4 2020
Shares 20,216 Value ($000) $7,128 Avg Close $308.64 Range $261.69 - $353.99
Q4 2019
Shares 2,580 Value ($000) $459 Avg Close $152.39 Range $125.11 - $175.03
Q3 2019
Shares 4,550 Value ($000) $709 Avg Close $142.31 Range $127.77 - $155.32
Q2 2019
Shares 8,549 Value ($000) $1,161 Avg Close $129.05 Range $108.95 - $152.95
Q1 2019
Shares 12,428 Value ($000) $1,684 Avg Close $124.16 Range $101.64 - $137.81
Q4 2018
Shares 16,876 Value ($000) $1,943 Avg Close $112.91 Range $96.22 - $130.06
Q3 2018
Shares 16,876 Value ($000) $2,129 Avg Close $131.20 Range $117.51 - $143.26
Q2 2018
Shares 30,527 Value ($000) $4,103 Avg Close $119.62 Range $102.58 - $133.88
Q1 2018
Shares 5,889 Value ($000) $682 Avg Close $111.03 Range $96.61 - $119.53
Q3 2017
Shares 4,180 Value ($000) $445 Avg Close $94.77 Range $87.95 - $100.67
Q2 2017
Shares 3,729 Value ($000) $361 Avg Close $88.76 Range $82.13 - $96.78
Q1 2017
Shares 4,978 Value ($000) $458 Avg Close $82.35 Range $76.05 - $87.81
Q4 2016
Shares 6,956 Value ($000) $576 Avg Close $74.44 Range $69.57 - $81.67
Q3 2016
Shares 6,706 Value ($000) $532 Avg Close $68.33 Range $60.21 - $75.04
Q2 2016
Shares 8,066 Value ($000) $542 Avg Close $60.38 Range $55.33 - $65.50
Q1 2016
Shares 10,012 Value ($000) $628 Avg Close $54.76 Range $50.58 - $59.11
Q4 2015
Shares 10,722 Value ($000) $695 Avg Close $56.88 Range $45.12 - $63.43
Q3 2015
Shares 11,183 Value ($000) $560 Avg Close $45.23 Range $37.18 - $48.10
Q2 2015
Shares 11,348 Value ($000) $576 Avg Close $48.11 Range $44.76 - $50.50
Q1 2015
Shares 11,817 Value ($000) $627 Avg Close $45.64 Range $40.76 - $50.87
Q4 2014
Shares 12,532 Value ($000) $625 Avg Close $40.54 Range $30.68 - $45.83
Q3 2014
Shares 13,460 Value ($000) $598 Avg Close $39.57 Range $36.40 - $43.40