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Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,504.08
-83.49 (-5.26%)
At close: Apr 28, 2026, 4:00 PM EDT
1,510.00
+5.92 (0.39%)
After-hours: Apr 28, 2026, 7:59 PM EDT

Monolithic Power Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 20261,527.321,537.741,488.031,504.081,504.08-5.26%637,647
Apr 27, 20261,610.431,621.031,550.921,587.571,587.57-2.73%608,468
Apr 24, 20261,626.331,661.791,595.901,632.061,632.062.51%692,518
Apr 23, 20261,550.401,597.761,533.001,592.171,592.174.61%638,737
Apr 22, 20261,545.061,560.091,519.211,522.041,522.04-0.39%538,899
Apr 21, 20261,502.261,548.171,499.601,527.951,527.952.49%552,259
Apr 20, 20261,471.451,492.751,453.671,490.861,490.861.53%384,575
Apr 17, 20261,437.621,479.231,420.341,468.351,468.354.67%635,695
Apr 16, 20261,365.621,405.141,353.551,402.811,402.813.68%467,940
Apr 15, 20261,345.721,362.251,329.461,353.001,353.00-0.76%466,188
Apr 14, 20261,372.491,378.551,349.011,363.421,363.42-0.64%557,493
Apr 13, 20261,336.411,377.251,332.041,372.231,372.231.36%393,861
Apr 10, 20261,339.011,370.001,339.011,353.851,353.851.47%522,418
Apr 9, 20261,312.941,340.111,303.941,334.211,334.211.62%554,838
Apr 8, 20261,255.261,322.621,251.981,312.941,312.9410.22%1,013,216
Apr 7, 20261,179.211,194.731,153.171,191.221,191.220.95%438,885
Apr 6, 20261,128.351,182.571,128.031,180.031,180.035.50%499,587
Apr 2, 20261,071.891,125.731,071.891,118.491,118.49-0.09%344,146
Apr 1, 20261,100.751,138.421,095.011,119.511,119.512.39%668,363
Mar 31, 20261,008.381,096.161,008.381,093.351,093.359.08%815,456
Mar 30, 20261,057.911,057.91996.011,002.341,000.34-4.81%590,194
Mar 27, 20261,049.261,073.361,039.041,053.011,050.91-0.50%537,311
Mar 26, 20261,101.481,112.441,057.021,058.281,056.17-5.40%547,114
Mar 25, 20261,116.321,127.741,101.861,118.661,116.431.55%308,821
Mar 24, 20261,068.751,109.991,060.001,101.591,099.392.34%429,547
Mar 23, 20261,100.001,108.881,074.851,076.351,074.200.70%472,924
Mar 20, 20261,094.441,103.271,050.901,068.851,066.72-2.18%1,035,261
Mar 19, 20261,041.461,104.101,033.941,092.691,090.511.62%364,888
Mar 18, 20261,080.581,094.501,070.611,075.291,073.140.81%581,762
Mar 17, 20261,069.851,085.001,060.011,066.661,064.53-1.00%336,412
Mar 16, 20261,078.841,097.071,073.771,077.401,075.252.36%484,329
Mar 13, 20261,054.171,083.931,042.851,052.591,050.491.81%406,195
Mar 12, 20261,045.941,049.431,021.781,033.881,031.82-3.47%485,876
Mar 11, 20261,059.061,078.291,053.821,071.091,068.951.45%332,445
Mar 10, 20261,051.781,091.381,040.001,055.821,053.71-0.58%448,366
Mar 9, 20261,013.051,066.02988.001,062.001,059.883.80%913,493
Mar 6, 20261,039.371,062.411,012.461,023.161,021.12-5.13%756,955
Mar 5, 20261,071.491,093.061,051.791,078.441,076.29-1.87%588,295
Mar 4, 20261,082.641,102.201,080.001,099.021,096.832.29%433,829
Mar 3, 20261,108.331,130.181,068.811,074.371,072.23-5.97%820,600
Mar 2, 20261,108.081,144.601,102.461,142.581,140.30-0.01%540,362
Feb 27, 20261,156.071,163.381,128.601,142.741,140.46-3.17%805,468
Feb 26, 20261,237.201,239.701,152.781,180.131,177.78-4.21%644,548
Feb 25, 20261,226.811,256.221,220.241,231.951,229.491.51%435,520
Feb 24, 20261,200.011,240.251,161.811,213.671,211.251.98%610,616
Feb 23, 20261,204.441,220.001,171.421,190.061,187.69-1.17%463,260
Feb 20, 20261,160.311,205.751,160.311,204.101,201.702.46%375,908
Feb 19, 20261,170.281,175.621,152.851,175.221,172.88-1.10%302,187
Feb 18, 20261,177.731,202.921,172.351,188.321,185.951.29%357,201
Feb 17, 20261,150.151,191.351,139.631,173.181,170.840.15%446,781
Feb 13, 20261,149.061,173.381,136.091,171.471,169.131.34%434,361
Feb 12, 20261,206.251,225.171,151.231,155.931,153.62-3.41%726,415
Feb 11, 20261,165.001,204.001,154.401,196.731,194.344.79%769,172
Feb 10, 20261,197.261,197.261,127.341,142.021,139.74-5.32%779,568
Feb 9, 20261,216.001,240.901,180.221,206.181,203.77-1.92%660,941
Feb 6, 20261,250.001,250.001,169.621,229.821,227.376.39%1,557,036
Feb 5, 20261,125.601,179.001,100.001,155.991,153.681.69%820,359
Feb 4, 20261,167.501,226.301,109.001,136.831,134.56-2.40%1,263,257
Feb 3, 20261,185.011,199.761,142.711,164.831,162.51-0.72%840,260
Feb 2, 20261,110.681,182.411,100.001,173.221,170.884.37%729,334
Jan 30, 20261,153.731,188.661,113.841,124.151,121.91-4.99%1,046,263
Jan 29, 20261,165.931,185.051,120.991,183.151,180.791.84%642,902
Jan 28, 20261,110.481,171.571,109.501,161.781,159.466.05%668,070
Jan 27, 20261,094.141,110.181,088.011,095.491,093.302.56%578,936
Jan 26, 20261,062.261,077.251,051.961,068.141,066.010.41%683,704
Jan 23, 20261,077.611,087.441,050.881,063.741,061.62-1.20%402,564
Jan 22, 20261,092.641,098.931,071.941,076.671,074.520.16%409,423
Jan 21, 20261,046.841,087.811,043.891,074.931,072.793.91%601,346
Jan 20, 20261,009.511,055.001,008.501,034.491,032.430.13%662,063
Jan 16, 20261,030.001,047.991,019.491,033.171,031.112.34%547,742
Jan 15, 20261,014.061,041.951,008.051,009.541,007.532.64%537,175
Jan 14, 2026980.55998.65964.11983.60981.640.03%420,943
Jan 13, 2026976.541,004.74970.74983.28981.321.67%342,180
Jan 12, 2026946.46970.99944.00967.16965.230.85%350,410
Jan 9, 2026965.00975.63950.41958.97957.06-0.01%529,471
Jan 8, 2026947.67960.37941.10959.09957.18-457,353
Jan 7, 2026990.28998.59936.74959.08957.17-4.61%727,196
Jan 6, 2026969.791,009.59967.361,005.381,003.375.27%659,104
Jan 5, 2026946.16966.06938.24955.03953.122.00%649,149
Jan 2, 2026927.61957.10926.18936.31934.443.30%618,935
Dec 31, 2025926.36928.07906.33906.36904.55-1.90%381,933
Dec 30, 2025929.39935.16923.12923.91920.51-0.66%288,335
Dec 29, 2025938.00949.29928.90930.04926.62-1.72%446,386
Dec 26, 2025960.44960.44944.62946.32942.84-0.73%221,593
Dec 24, 2025954.75958.08947.05953.25949.741.03%191,715
Dec 23, 2025939.88946.51935.83943.55940.08-0.17%355,430
Dec 22, 2025976.05976.05937.10945.16941.680.86%569,176
Dec 19, 2025941.89966.33937.11937.11933.660.82%5,577,195
Dec 18, 2025936.41951.63922.88929.48926.061.89%731,426
Dec 17, 2025959.61966.14909.00912.25908.89-4.11%855,814
Dec 16, 2025947.81968.84942.00951.36947.860.21%576,956
Dec 15, 2025960.80975.00946.45949.40945.910.31%690,903
Dec 12, 2025980.00988.10941.37946.51943.03-3.56%781,916
Dec 11, 2025967.62987.59950.55981.48977.870.25%590,872
Dec 10, 2025968.54989.25962.95979.02975.421.67%446,734
Dec 9, 2025978.54988.05957.39962.95959.41-2.10%440,423
Dec 8, 2025976.031,002.50974.46983.58979.962.11%444,838
Dec 5, 2025964.25971.12954.39963.28959.731.11%348,120
Dec 4, 2025950.10959.38931.98952.74949.23-0.55%479,087
Dec 3, 2025954.31962.22933.82958.02954.490.61%464,203