MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

AMERICAN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001320168)

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

Q4 2025
Shares 6,488 Value ($000) $5,880 Avg Close $960.73 Range $831.77 - $1121.48
Q3 2025
Shares 6,610 Value ($000) $6,085 Avg Close $808.07 Range $684.50 - $934.81
Q2 2025
Shares 7,015 Value ($000) $5,131 Avg Close $633.58 Range $436.42 - $750.80
Q1 2025
Shares 7,098 Value ($000) $4,117 Avg Close $624.99 Range $550.94 - $718.03
Q4 2024
Shares 7,116 Value ($000) $4,211 Avg Close $716.72 Range $541.09 - $944.19
Q3 2024
Shares 7,141 Value ($000) $6,602 Avg Close $853.35 Range $721.11 - $948.49
Q2 2024
Shares 8,999 Value ($000) $7,394 Avg Close $712.18 Range $577.26 - $845.04
Q1 2024
Shares 9,144 Value ($000) $6,194 Avg Close $657.62 Range $552.66 - $766.48
Q4 2023
Shares 9,269 Value ($000) $5,847 Avg Close $513.84 Range $385.61 - $636.41
Q3 2023
Shares 8,333 Value ($000) $3,850 Avg Close $501.94 Range $430.22 - $584.79
Q2 2023
Shares 8,349 Value ($000) $4,510 Avg Close $465.29 Range $375.28 - $542.22
Q1 2023
Shares 7,160 Value ($000) $3,584 Avg Close $449.31 Range $331.60 - $518.64
Q4 2022
Shares 7,190 Value ($000) $2,542 Avg Close $350.38 Range $294.21 - $405.83
Q3 2022
Shares 7,105 Value ($000) $2,582 Avg Close $432.95 Range $338.72 - $526.93
Q2 2022
Shares 9,921 Value ($000) $3,810 Avg Close $410.37 Range $365.38 - $475.87
Q1 2022
Shares 10,206 Value ($000) $4,957 Avg Close $422.77 Range $340.68 - $499.27
Q4 2021
Shares 10,342 Value ($000) $5,102 Avg Close $500.08 Range $444.81 - $561.94
Q3 2021
Shares 10,189 Value ($000) $4,938 Avg Close $440.15 Range $351.70 - $504.81
Q2 2021
Shares 10,069 Value ($000) $3,760 Avg Close $340.03 Range $291.31 - $382.48
Q1 2021
Shares 9,998 Value ($000) $3,531 Avg Close $351.26 Range $290.78 - $392.28
Q4 2020
Shares 13,167 Value ($000) $4,822 Avg Close $308.64 Range $261.69 - $353.99
Q3 2020
Shares 14,357 Value ($000) $4,014 Avg Close $250.15 Range $223.49 - $273.49
Q2 2020
Shares 14,207 Value ($000) $3,367 Avg Close $194.18 Range $144.85 - $229.19
Q1 2020
Shares 16,682 Value ($000) $2,794 Avg Close $163.85 Range $124.42 - $184.64
Q4 2019
Shares 19,370 Value ($000) $3,448 Avg Close $152.39 Range $125.11 - $175.03
Q3 2019
Shares 19,355 Value ($000) $3,012 Avg Close $142.31 Range $127.77 - $155.32
Q2 2019
Shares 19,265 Value ($000) $2,616 Avg Close $129.05 Range $108.95 - $152.95
Q1 2019
Shares 19,095 Value ($000) $2,587 Avg Close $124.16 Range $101.64 - $137.81
Q4 2018
Shares 17,705 Value ($000) $2,058 Avg Close $112.91 Range $96.22 - $130.06
Q3 2018
Shares 16,190 Value ($000) $2,032 Avg Close $131.20 Range $117.51 - $143.26
Q2 2018
Shares 16,010 Value ($000) $2,140 Avg Close $119.62 Range $102.58 - $133.88
Q1 2018
Shares 15,110 Value ($000) $1,749 Avg Close $111.03 Range $96.61 - $119.53