Skip to main content
logo
Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,033.88
-37.21 (-3.47%)
At close: Mar 12, 2026, 4:00 PM EDT
1,035.00
+1.12 (0.11%)
After-hours: Mar 12, 2026, 7:12 PM EDT

Monolithic Power Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 12, 20261,045.941,049.431,021.781,033.881,033.88-3.47%482,074
Mar 11, 20261,059.061,078.291,053.821,071.091,071.091.45%326,206
Mar 10, 20261,051.781,091.381,040.001,055.821,055.82-0.58%447,974
Mar 9, 20261,013.051,066.02988.001,062.001,062.003.80%870,407
Mar 6, 20261,039.371,062.411,012.461,023.161,023.16-5.13%738,620
Mar 5, 20261,071.491,093.061,051.791,078.441,078.44-1.87%564,289
Mar 4, 20261,082.641,102.201,080.001,099.021,099.022.29%433,484
Mar 3, 20261,108.331,130.181,068.811,074.371,074.37-5.97%805,723
Mar 2, 20261,108.081,144.601,102.461,142.581,142.58-0.01%540,001
Feb 27, 20261,156.071,163.381,128.601,142.741,142.74-3.17%790,349
Feb 26, 20261,237.201,239.701,152.781,180.131,180.13-4.21%643,626
Feb 25, 20261,226.811,256.221,220.241,231.951,231.951.51%433,753
Feb 24, 20261,200.011,240.251,161.811,213.671,213.671.98%586,415
Feb 23, 20261,204.441,220.001,171.421,190.061,190.06-1.17%461,539
Feb 20, 20261,160.311,205.751,160.311,204.101,204.102.46%365,309
Feb 19, 20261,170.281,175.621,152.851,175.221,175.22-1.10%301,696
Feb 18, 20261,177.731,202.921,172.351,188.321,188.321.29%346,299
Feb 17, 20261,150.151,191.351,139.631,173.181,173.180.15%446,761
Feb 13, 20261,149.061,173.381,136.091,171.471,171.471.34%434,361
Feb 12, 20261,206.251,225.171,151.231,155.931,155.93-3.41%726,415
Feb 11, 20261,165.001,204.001,154.401,196.731,196.734.79%769,172
Feb 10, 20261,197.261,197.261,127.341,142.021,142.02-5.32%779,568
Feb 9, 20261,216.001,240.901,180.221,206.181,206.18-1.92%660,941
Feb 6, 20261,250.001,250.001,169.621,229.821,229.826.39%1,557,036
Feb 5, 20261,125.601,179.001,100.001,155.991,155.991.69%820,359
Feb 4, 20261,167.501,226.301,109.001,136.831,136.83-2.40%1,263,257
Feb 3, 20261,185.011,199.761,142.711,164.831,164.83-0.72%840,260
Feb 2, 20261,110.681,182.411,100.001,173.221,173.224.37%729,334
Jan 30, 20261,153.731,188.661,113.841,124.151,124.15-4.99%1,046,263
Jan 29, 20261,165.931,185.051,120.991,183.151,183.151.84%642,902
Jan 28, 20261,110.481,171.571,109.501,161.781,161.786.05%668,070
Jan 27, 20261,094.141,110.181,088.011,095.491,095.492.56%578,936
Jan 26, 20261,062.261,077.251,051.961,068.141,068.140.41%683,704
Jan 23, 20261,077.611,087.441,050.881,063.741,063.74-1.20%402,564
Jan 22, 20261,092.641,098.931,071.941,076.671,076.670.16%409,423
Jan 21, 20261,046.841,087.811,043.891,074.931,074.933.91%601,346
Jan 20, 20261,009.511,055.001,008.501,034.491,034.490.13%662,063
Jan 16, 20261,030.001,047.991,019.491,033.171,033.172.34%547,742
Jan 15, 20261,014.061,041.951,008.051,009.541,009.542.64%537,175
Jan 14, 2026980.55998.65964.11983.60983.600.03%420,943
Jan 13, 2026976.541,004.74970.74983.28983.281.67%342,180
Jan 12, 2026946.46970.99944.00967.16967.160.85%350,410
Jan 9, 2026965.00975.63950.41958.97958.97-0.01%529,471
Jan 8, 2026947.67960.37941.10959.09959.09-457,353
Jan 7, 2026990.28998.59936.74959.08959.08-4.61%727,196
Jan 6, 2026969.791,009.59967.361,005.381,005.385.27%659,104
Jan 5, 2026946.16966.06938.24955.03955.032.00%649,149
Jan 2, 2026927.61957.10926.18936.31936.313.30%618,935
Dec 31, 2025926.36928.07906.33906.36906.36-1.90%381,933
Dec 30, 2025929.39935.16923.12923.91922.35-0.66%288,335