NASDAQ:MPWR | Historical Stock Price | MONOLITHIC POWER SYSTEMS, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2004-11-19 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$6.00$19.27$61.83$198.44$636.82$2,043.652004-11-192026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2021-12-31$493.33$558.96166,300
2021-12-30$491.50$556.89175,100
2021-12-29$498.32$563.94147,600
2021-12-28$498.08$563.67157,800
2021-12-27$511.09$578.39194,500
2021-12-23$495.60$560.86236,000
2021-12-22$492.80$557.69208,000
2021-12-21$485.45$549.37260,300
2021-12-20$477.48$540.35398,500
2021-12-17$482.99$546.59736,000
2021-12-16$475.50$538.11432,900
2021-12-15$490.40$554.98525,300
2021-12-14$477.92$540.85514,700
2021-12-13$480.01$543.22695,500
2021-12-10$503.41$569.70505,400
2021-12-09$515.59$583.48452,000
2021-12-08$539.01$609.99227,000
2021-12-07$538.78$609.73392,500
2021-12-06$510.22$577.41591,000
2021-12-03$544.62$616.34200,900
2021-12-02$554.46$627.47264,800
2021-12-01$555.20$628.31303,200
2021-11-30$553.46$626.34397,400
2021-11-29$564.32$638.63294,000
2021-11-26$535.02$605.47195,100
2021-11-24$552.58$625.34269,800
2021-11-23$545.84$617.72303,700
2021-11-22$557.86$631.32239,500
2021-11-19$570.59$645.72267,900
2021-11-18$560.95$634.82223,400
2021-11-17$563.55$637.76244,000
2021-11-16$575.97$651.81222,600
2021-11-15$562.96$637.09197,500
2021-11-12$561.77$635.74248,300
2021-11-11$554.59$627.62193,300
2021-11-10$537.60$608.39209,800
2021-11-09$553.47$626.35297,000
2021-11-08$548.35$620.56244,900
2021-11-05$546.28$618.21373,900
2021-11-04$535.07$605.53700,900
2021-11-03$539.06$610.04266,200
2021-11-02$535.98$606.56318,300
2021-11-01$529.28$598.98394,500
2021-10-29$525.46$594.65626,700
2021-10-28$549.71$622.10432,100
2021-10-27$525.00$594.13301,000
2021-10-26$523.32$592.23182,000
2021-10-25$522.81$591.65227,700
2021-10-22$510.95$578.23316,900
2021-10-21$517.50$585.64265,500
2021-10-20$500.97$566.94212,500
2021-10-19$496.07$561.39172,300
2021-10-18$490.32$554.88274,700
2021-10-15$481.04$544.38231,500
2021-10-14$480.06$543.27222,800
2021-10-13$465.97$527.33248,700
2021-10-12$461.69$522.48243,600
2021-10-11$460.83$521.51186,800
2021-10-08$468.72$530.44260,200
2021-10-07$472.20$534.38221,900
2021-10-06$466.82$528.29249,500
2021-10-05$469.51$531.33586,700
2021-10-04$464.01$525.11397,700
2021-10-01$483.08$546.69383,800
2021-09-30$484.68$548.50365,500
2021-09-29$484.61$548.42340,300
2021-09-28$490.19$554.06374,900
2021-09-27$509.14$575.48181,000
2021-09-24$517.92$585.40201,300
2021-09-23$517.75$585.21374,400
2021-09-22$507.93$574.11339,300
2021-09-21$492.67$556.86328,300
2021-09-20$488.62$552.28500,200
2021-09-17$497.52$562.34811,300
2021-09-16$498.83$563.82411,800
2021-09-15$495.99$560.61392,900
2021-09-14$495.46$560.02283,800
2021-09-13$489.38$553.14300,400
2021-09-10$494.02$558.39304,700
2021-09-09$488.33$551.96438,500
2021-09-08$492.06$556.17279,400
2021-09-07$497.36$562.16308,900
2021-09-03$502.13$567.55244,000
2021-09-02$498.02$562.91297,200
2021-09-01$496.09$560.73256,200
2021-08-31$494.93$559.42390,200
2021-08-30$502.94$568.47233,900
2021-08-27$494.96$559.45280,100
2021-08-26$487.22$550.70394,700
2021-08-25$483.27$546.24353,700
2021-08-24$485.33$548.57240,200
2021-08-23$485.18$548.40388,300
2021-08-20$476.17$538.21356,500
2021-08-19$467.22$528.10274,800
2021-08-18$457.91$517.57336,400
2021-08-17$452.67$511.65332,400
2021-08-16$458.53$518.27263,900
2021-08-13$464.85$525.42168,600
2021-08-12$462.34$522.58270,100
2021-08-11$459.23$519.06187,500
2021-08-10$458.38$518.10255,600
2021-08-09$459.77$519.68203,500
2021-08-06$461.79$521.96218,500
2021-08-05$463.48$523.87362,400
2021-08-04$466.43$527.20231,300
2021-08-03$456.54$516.02286,900
2021-08-02$454.46$513.67497,900
2021-07-30$449.26$507.80462,200
2021-07-29$440.06$497.40798,500
2021-07-28$431.00$487.16581,500
2021-07-27$407.26$460.32515,600
2021-07-26$412.94$466.74335,100
2021-07-23$414.26$468.24292,400
2021-07-22$405.00$457.77311,800
2021-07-21$405.30$458.11319,300
2021-07-20$392.36$443.48368,500
2021-07-19$380.74$430.35383,600
2021-07-16$379.46$428.90852,200
2021-07-15$379.51$428.96529,500
2021-07-14$382.87$432.76572,600
2021-07-13$387.45$437.93328,700
2021-07-12$386.95$437.37340,300
2021-07-09$382.60$432.45272,100
2021-07-08$373.00$421.60354,000
2021-07-07$376.92$426.03440,300
2021-07-06$383.46$433.42541,300
2021-07-02$376.31$425.34223,400
2021-07-01$370.18$418.41376,600
2021-06-30$373.45$422.11234,100
2021-06-29$377.40$426.57239,400
2021-06-28$374.48$422.59298,700
2021-06-25$365.68$412.66518,800
2021-06-24$359.35$405.52198,400
2021-06-23$350.08$395.06490,700
2021-06-22$353.72$399.17213,500
2021-06-21$354.11$399.61236,800
2021-06-18$353.96$399.44625,900
2021-06-17$356.08$401.83367,900
2021-06-16$343.68$387.84280,400
2021-06-15$345.41$389.79197,400
2021-06-14$351.79$396.99254,500
2021-06-11$347.16$391.76220,700
2021-06-10$343.40$387.52233,500
2021-06-09$340.51$384.26184,800
2021-06-08$338.66$382.17222,100
2021-06-07$342.64$386.66225,700
2021-06-04$347.03$391.62267,700
2021-06-03$335.94$379.10335,700
2021-06-02$343.63$387.78365,100
2021-06-01$342.44$386.44278,800
2021-05-28$343.12$387.20251,700
2021-05-27$342.57$386.58478,900
2021-05-26$339.03$382.59420,200
2021-05-25$331.35$373.92255,100
2021-05-24$329.90$372.29261,300
2021-05-21$324.44$366.12425,500
2021-05-20$331.97$374.62398,000
2021-05-19$319.80$360.89428,200
2021-05-18$309.40$349.15326,800
2021-05-17$312.30$352.43382,100
2021-05-14$316.52$357.19462,200
2021-05-13$306.33$345.69518,000
2021-05-12$306.10$345.43429,900
2021-05-11$320.41$361.58611,400
2021-05-10$321.86$363.21486,300
2021-05-07$342.79$386.83295,500
2021-05-06$333.38$376.21355,800
2021-05-05$337.82$381.22510,000
2021-05-04$334.12$377.05494,900
2021-05-03$350.28$395.28541,400
2021-04-30$361.38$407.81327,700
2021-04-29$371.11$418.79290,600
2021-04-28$377.52$426.02257,600
2021-04-27$385.00$434.47195,100
2021-04-26$389.53$439.58277,900
2021-04-23$380.79$429.71416,200
2021-04-22$372.18$420.00237,200
2021-04-21$377.57$426.08234,900
2021-04-20$364.28$411.08266,600
2021-04-19$369.60$417.09238,900
2021-04-16$378.62$427.27322,000
2021-04-15$381.57$430.60237,000
2021-04-14$369.92$417.45251,900
2021-04-13$376.52$424.90192,700
2021-04-12$373.92$421.96283,100
2021-04-09$376.87$425.29293,500
2021-04-08$378.37$426.98352,800
2021-04-07$373.12$421.06314,900
2021-04-06$374.54$422.66486,500
2021-04-05$378.08$426.66378,000
2021-04-01$367.52$414.74507,600
2021-03-31$353.21$398.59428,000
2021-03-30$342.59$386.61360,500
2021-03-29$340.54$383.62536,800
2021-03-26$350.97$395.37386,900
2021-03-25$331.58$373.52271,300
2021-03-24$330.99$372.86255,000
2021-03-23$336.70$379.29446,900
2021-03-22$348.24$392.29410,200
2021-03-19$343.18$386.591,149,900
2021-03-18$335.76$378.23506,700
2021-03-17$352.20$396.75694,000
2021-03-16$342.65$385.99262,400
2021-03-15$341.64$384.86340,700
2021-03-12$331.00$372.87426,800
2021-03-11$337.60$380.30571,100
2021-03-10$323.41$364.32572,200
2021-03-09$323.86$364.831,054,600
2021-03-08$302.05$340.26723,000
2021-03-05$332.91$375.02659,100
2021-03-04$327.97$369.46808,800
2021-03-03$354.81$399.69367,500
2021-03-02$370.58$417.46354,700
2021-03-01$389.05$438.26444,900
2021-02-26$374.52$421.89448,300
2021-02-25$362.59$408.46377,600
2021-02-24$387.86$436.92438,900
2021-02-23$371.66$418.67531,200
2021-02-22$372.66$419.80506,400
2021-02-19$393.75$443.56470,600
2021-02-18$375.88$423.43317,000
2021-02-17$380.28$428.38385,400
2021-02-16$387.96$437.03492,500
2021-02-12$385.92$434.74421,900
2021-02-11$384.67$433.3310,003,300
2021-02-10$373.74$421.02657,100
2021-02-09$379.16$427.121,092,200
2021-02-08$368.62$415.25549,900
2021-02-05$359.51$404.99775,500
2021-02-04$367.60$414.10510,200
2021-02-03$366.02$412.32356,100
2021-02-02$374.57$421.95289,900
2021-02-01$367.93$414.47283,100
2021-01-29$355.29$400.23435,000
2021-01-28$367.98$414.53373,600
2021-01-27$351.75$396.24524,000
2021-01-26$383.25$431.73266,100
2021-01-25$391.32$440.82195,600
2021-01-22$396.91$447.12164,400
2021-01-21$403.18$454.18208,000
2021-01-20$396.42$446.56282,100
2021-01-19$391.32$440.82416,200
2021-01-15$379.23$427.20477,000
2021-01-14$386.20$435.05278,000
2021-01-13$388.22$437.33216,200
2021-01-12$391.52$441.05330,900
2021-01-11$392.46$442.10523,500
2021-01-08$387.41$436.42413,100
2021-01-07$381.25$429.48348,100
2021-01-06$358.60$403.96632,700
2021-01-05$370.56$417.43355,800
2021-01-04$364.82$410.97514,000