MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025
Shares 13,647 Value ($000) $12,369 Avg Close $960.73 Range $831.77 - $1121.48
Q3 2025
Shares 10,182 Value ($000) $9,374 Avg Close $808.07 Range $684.50 - $934.81
Q2 2025
Shares 8,987 Value ($000) $6,573 Avg Close $633.58 Range $436.42 - $750.80
Q1 2025
Shares 9,508 Value ($000) $5,514 Avg Close $624.99 Range $550.94 - $718.03
Q4 2024
Shares 11,358 Value ($000) $6,721 Avg Close $716.72 Range $541.09 - $944.19
Q3 2024
Shares 9,599 Value ($000) $8,874 Avg Close $853.35 Range $721.11 - $948.49
Q2 2024
Shares 9,598 Value ($000) $7,887 Avg Close $712.18 Range $577.26 - $845.04
Q1 2024
Shares 9,485 Value ($000) $6,425 Avg Close $657.62 Range $552.66 - $766.48
Q4 2023
Shares 11,475 Value ($000) $7,238 Avg Close $513.84 Range $385.61 - $636.41
Q3 2023
Shares 11,508 Value ($000) $5,317 Avg Close $501.94 Range $430.22 - $584.79
Q2 2023
Shares 21,877 Value ($000) $11,819 Avg Close $465.29 Range $375.28 - $542.22
Q1 2023
Shares 23,362 Value ($000) $11,694 Avg Close $449.31 Range $331.60 - $518.64
Q4 2022
Shares 23,295 Value ($000) $8,237 Avg Close $350.38 Range $294.21 - $405.83
Q3 2022
Shares 19,899 Value ($000) $7,231 Avg Close $432.95 Range $338.72 - $526.93
Q2 2022
Shares 13,283 Value ($000) $5,101 Avg Close $410.37 Range $365.38 - $475.87
Q1 2022
Shares 10,335 Value ($000) $5,019 Avg Close $422.77 Range $340.68 - $499.27
Q4 2021
Shares 9,452 Value ($000) $4,663 Avg Close $500.08 Range $444.81 - $561.94
Q3 2021
Shares 6,983 Value ($000) $3,385 Avg Close $440.15 Range $351.70 - $504.81
Q2 2021
Shares 10,256 Value ($000) $3,830 Avg Close $340.03 Range $291.31 - $382.48
Q1 2021
Shares 10,572 Value ($000) $3,734 Avg Close $351.26 Range $290.78 - $392.28
Q4 2020
Shares 10,475 Value ($000) $3,836 Avg Close $308.64 Range $261.69 - $353.99
Q3 2020
Shares 10,238 Value ($000) $2,863 Avg Close $250.15 Range $223.49 - $273.49
Q2 2020
Shares 10,168 Value ($000) $2,410 Avg Close $194.18 Range $144.85 - $229.19
Q1 2020
Shares 10,372 Value ($000) $1,737 Avg Close $163.85 Range $124.42 - $184.64
Q4 2019
Shares 8,565 Value ($000) $1,525 Avg Close $152.39 Range $125.11 - $175.03
Q3 2019
Shares 8,414 Value ($000) $1,309 Avg Close $142.31 Range $127.77 - $155.32
Q2 2019
Shares 2,513 Value ($000) $341 Avg Close $129.05 Range $108.95 - $152.95
Q1 2019
Shares 3,842 Value ($000) $521 Avg Close $124.16 Range $101.64 - $137.81
Q4 2018
Shares 2,880 Value ($000) $335 Avg Close $112.91 Range $96.22 - $130.06
Q3 2018
Shares 3,438 Value ($000) $432 Avg Close $131.20 Range $117.51 - $143.26
Q2 2018
Shares 5,284 Value ($000) $706 Avg Close $119.62 Range $102.58 - $133.88
Q1 2018
Shares 6,634 Value ($000) $768 Avg Close $111.03 Range $96.61 - $119.53
Q4 2017
Shares 6,734 Value ($000) $757 Avg Close $108.54 Range $98.18 - $118.56
Q3 2017
Shares 6,784 Value ($000) $723 Avg Close $94.77 Range $87.95 - $100.67
Q2 2017
Shares 6,784 Value ($000) $654 Avg Close $88.76 Range $82.13 - $96.78
Q1 2017
Shares 6,618 Value ($000) $586 Avg Close $82.35 Range $76.05 - $87.81
Q4 2016
Shares 9,002 Value ($000) $738 Avg Close $74.44 Range $69.57 - $81.67
Q3 2016
Shares 11,215 Value ($000) $903 Avg Close $68.33 Range $60.21 - $75.04
Q2 2016
Shares 9,781 Value ($000) $668 Avg Close $60.38 Range $55.33 - $65.50
Q1 2016
Shares 9,781 Value ($000) $622 Avg Close $54.76 Range $50.58 - $59.11
Q4 2015
Shares 20,446 Value ($000) $1,303 Avg Close $56.88 Range $45.12 - $63.43
Q3 2015
Shares 27,096 Value ($000) $1,387 Avg Close $45.23 Range $37.18 - $48.10
Q3 2014
Shares 18,796 Value ($000) $827 Avg Close $39.57 Range $36.40 - $43.40
Q2 2014
Shares 43,910 Value ($000) $1,859 Avg Close $34.76 Range $31.35 - $38.50
Q1 2014
Shares 388,450 Value ($000) $15,060 Avg Close $31.60 Range $27.60 - $35.10
Q3 2013
Shares 333,893 Value ($000) $10,110 Avg Close $25.18 Range $21.26 - $28.18
Q2 2013
Shares 735,368 Value ($000) $17,730 Avg Close $21.28 Range $18.50 - $22.86