MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 929 Value ($000) $842 Avg Close $960.73 Range $831.77 - $1121.48
Q3 2025
Shares 3,006 Value ($000) $2,767 Avg Close $808.07 Range $684.50 - $934.81
Q2 2025
Shares 1,663 Value ($000) $1,216 Avg Close $633.58 Range $436.42 - $750.80
Q1 2025
Shares 924 Value ($000) $536 Avg Close $624.99 Range $550.94 - $718.03
Q1 2022
Shares 213 Value ($000) $103 Avg Close $422.77 Range $340.68 - $499.27
Q3 2021
Shares 297 Value ($000) $144 Avg Close $440.15 Range $351.70 - $504.81
Q1 2021
Shares 811 Value ($000) $286 Avg Close $351.26 Range $290.78 - $392.28
Q4 2020
Shares 193 Value ($000) $71 Avg Close $308.64 Range $261.69 - $353.99
Q1 2020
Shares 483 Value ($000) $81 Avg Close $163.85 Range $124.42 - $184.64
Q2 2019
Shares 169 Value ($000) $23 Avg Close $129.05 Range $108.95 - $152.95
Q3 2018
Shares 442 Value ($000) $55 Avg Close $131.20 Range $117.51 - $143.26
Q2 2018
Shares 800 Value ($000) $107 Avg Close $119.62 Range $102.58 - $133.88
Q3 2017
Shares 150 Value ($000) $16 Avg Close $94.77 Range $87.95 - $100.67
Q4 2016
Shares 100 Value ($000) $8 Avg Close $74.44 Range $69.57 - $81.67
Q2 2016
Shares 100 Value ($000) $7 Avg Close $60.38 Range $55.33 - $65.50
Q1 2014
Shares 1,768 Value ($000) $69 Avg Close $31.60 Range $27.60 - $35.10
Q4 2013
Shares 4,099 Value ($000) $142 Avg Close $28.65 Range $24.43 - $31.16
Q3 2013
Shares 966 Value ($000) $29 Avg Close $25.18 Range $21.26 - $28.18
Q2 2013
Shares 448 Value ($000) $11 Avg Close $21.28 Range $18.50 - $22.86