Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,313.32
-124.98 (-8.69%)
At close: Jun 26, 2026, 4:00 PM EDT
1,318.44
+5.12 (0.39%)
After-hours: Jun 26, 2026, 7:58 PM EDT
Monolithic Power Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 1,357.45 | 1,373.91 | 1,301.44 | 1,313.32 | 1,313.32 | -8.69% | 3,402,432 |
| Jun 25, 2026 | 1,495.18 | 1,510.76 | 1,373.82 | 1,438.30 | 1,438.30 | 0.23% | 965,068 |
| Jun 24, 2026 | 1,423.02 | 1,446.96 | 1,392.50 | 1,434.95 | 1,434.95 | 0.79% | 864,874 |
| Jun 23, 2026 | 1,443.04 | 1,486.92 | 1,403.36 | 1,423.76 | 1,423.76 | -7.42% | 1,636,567 |
| Jun 22, 2026 | 1,592.69 | 1,594.81 | 1,506.37 | 1,537.88 | 1,537.88 | -1.65% | 1,109,278 |
| Jun 18, 2026 | 1,529.24 | 1,581.04 | 1,515.62 | 1,563.70 | 1,563.70 | 7.97% | 1,935,562 |
| Jun 17, 2026 | 1,545.56 | 1,548.00 | 1,435.83 | 1,448.21 | 1,448.21 | -3.37% | 1,111,854 |
| Jun 16, 2026 | 1,650.88 | 1,656.22 | 1,496.52 | 1,498.77 | 1,498.77 | -9.29% | 1,039,737 |
| Jun 15, 2026 | 1,652.56 | 1,666.64 | 1,605.01 | 1,652.29 | 1,652.29 | 4.75% | 761,343 |
| Jun 12, 2026 | 1,592.21 | 1,598.42 | 1,558.19 | 1,577.32 | 1,577.32 | -0.77% | 567,710 |
| Jun 11, 2026 | 1,523.44 | 1,593.77 | 1,506.82 | 1,589.55 | 1,589.55 | 7.91% | 897,138 |
| Jun 10, 2026 | 1,510.76 | 1,563.37 | 1,468.50 | 1,473.04 | 1,473.04 | -3.85% | 737,333 |
| Jun 9, 2026 | 1,597.51 | 1,627.64 | 1,405.00 | 1,531.98 | 1,531.98 | -1.74% | 985,916 |
| Jun 8, 2026 | 1,559.67 | 1,584.36 | 1,518.34 | 1,559.18 | 1,559.18 | 5.28% | 870,854 |
| Jun 5, 2026 | 1,591.25 | 1,599.99 | 1,473.95 | 1,481.05 | 1,481.05 | -10.38% | 1,369,017 |
| Jun 4, 2026 | 1,630.04 | 1,666.69 | 1,591.64 | 1,652.60 | 1,652.60 | -2.21% | 679,218 |
| Jun 3, 2026 | 1,647.51 | 1,697.35 | 1,617.83 | 1,689.89 | 1,689.89 | 3.99% | 443,731 |
| Jun 2, 2026 | 1,572.00 | 1,627.85 | 1,558.11 | 1,624.99 | 1,624.99 | 5.36% | 693,297 |
| Jun 1, 2026 | 1,536.08 | 1,569.99 | 1,508.24 | 1,542.39 | 1,542.39 | -1.52% | 593,314 |
| May 29, 2026 | 1,645.00 | 1,657.00 | 1,556.77 | 1,566.21 | 1,566.21 | -4.10% | 1,164,331 |
| May 28, 2026 | 1,616.93 | 1,656.78 | 1,575.00 | 1,633.17 | 1,633.17 | 0.80% | 501,242 |
| May 27, 2026 | 1,707.62 | 1,707.62 | 1,592.76 | 1,620.17 | 1,620.17 | -2.57% | 859,588 |
| May 26, 2026 | 1,650.49 | 1,714.09 | 1,622.10 | 1,662.98 | 1,662.98 | 4.60% | 821,504 |
| May 22, 2026 | 1,579.62 | 1,596.75 | 1,560.00 | 1,589.81 | 1,589.81 | 1.83% | 476,701 |
| May 21, 2026 | 1,535.80 | 1,562.49 | 1,516.01 | 1,561.25 | 1,561.25 | 0.51% | 450,118 |
| May 20, 2026 | 1,492.37 | 1,555.55 | 1,481.07 | 1,553.27 | 1,553.27 | 5.80% | 753,287 |
| May 19, 2026 | 1,434.91 | 1,493.14 | 1,412.89 | 1,468.11 | 1,468.11 | -1.23% | 639,546 |
| May 18, 2026 | 1,563.28 | 1,579.99 | 1,458.44 | 1,486.33 | 1,486.33 | -4.11% | 807,341 |
| May 15, 2026 | 1,562.55 | 1,587.74 | 1,548.61 | 1,550.02 | 1,550.02 | -3.96% | 685,355 |
| May 14, 2026 | 1,639.85 | 1,644.90 | 1,601.00 | 1,613.97 | 1,613.97 | -2.20% | 373,762 |
| May 13, 2026 | 1,631.20 | 1,675.42 | 1,614.00 | 1,650.35 | 1,650.35 | 3.18% | 626,885 |
| May 12, 2026 | 1,619.54 | 1,622.01 | 1,538.25 | 1,599.52 | 1,599.52 | -3.71% | 732,170 |
| May 11, 2026 | 1,594.49 | 1,663.99 | 1,585.00 | 1,661.10 | 1,661.10 | 3.76% | 526,695 |
| May 8, 2026 | 1,608.64 | 1,617.05 | 1,581.94 | 1,600.84 | 1,600.84 | 1.58% | 686,738 |
| May 7, 2026 | 1,636.33 | 1,636.33 | 1,559.00 | 1,575.96 | 1,575.96 | -4.62% | 600,299 |
| May 6, 2026 | 1,581.00 | 1,662.00 | 1,556.31 | 1,652.35 | 1,652.35 | 4.04% | 854,484 |
| May 5, 2026 | 1,588.94 | 1,607.87 | 1,557.05 | 1,588.12 | 1,588.12 | 0.94% | 682,235 |
| May 4, 2026 | 1,590.47 | 1,603.70 | 1,552.84 | 1,573.30 | 1,573.30 | -0.64% | 515,490 |
| May 1, 2026 | 1,564.56 | 1,589.71 | 1,521.00 | 1,583.48 | 1,583.48 | -1.92% | 898,818 |
| Apr 30, 2026 | 1,550.00 | 1,621.91 | 1,541.61 | 1,614.41 | 1,614.41 | 5.74% | 1,077,634 |
| Apr 29, 2026 | 1,550.96 | 1,554.41 | 1,507.34 | 1,526.84 | 1,526.84 | 1.51% | 690,195 |
| Apr 28, 2026 | 1,527.32 | 1,537.74 | 1,488.03 | 1,504.08 | 1,504.08 | -5.26% | 637,836 |
| Apr 27, 2026 | 1,610.43 | 1,621.03 | 1,550.92 | 1,587.57 | 1,587.57 | -2.73% | 608,468 |
| Apr 24, 2026 | 1,626.33 | 1,661.79 | 1,595.90 | 1,632.06 | 1,632.06 | 2.51% | 692,518 |
| Apr 23, 2026 | 1,550.40 | 1,597.76 | 1,533.00 | 1,592.17 | 1,592.17 | 4.61% | 638,737 |
| Apr 22, 2026 | 1,545.06 | 1,560.09 | 1,519.21 | 1,522.04 | 1,522.04 | -0.39% | 538,899 |
| Apr 21, 2026 | 1,502.26 | 1,548.17 | 1,499.60 | 1,527.95 | 1,527.95 | 2.49% | 552,259 |
| Apr 20, 2026 | 1,471.45 | 1,492.75 | 1,453.67 | 1,490.86 | 1,490.86 | 1.53% | 384,575 |
| Apr 17, 2026 | 1,437.62 | 1,479.23 | 1,420.34 | 1,468.35 | 1,468.35 | 4.67% | 635,695 |
| Apr 16, 2026 | 1,365.62 | 1,405.14 | 1,353.55 | 1,402.81 | 1,402.81 | 3.68% | 467,940 |
| Apr 15, 2026 | 1,345.72 | 1,362.25 | 1,329.46 | 1,353.00 | 1,353.00 | -0.76% | 466,188 |
| Apr 14, 2026 | 1,372.49 | 1,378.55 | 1,349.01 | 1,363.42 | 1,363.42 | -0.64% | 557,493 |
| Apr 13, 2026 | 1,336.41 | 1,377.25 | 1,332.04 | 1,372.23 | 1,372.23 | 1.36% | 393,861 |
| Apr 10, 2026 | 1,339.01 | 1,370.00 | 1,339.01 | 1,353.85 | 1,353.85 | 1.47% | 522,418 |
| Apr 9, 2026 | 1,312.94 | 1,340.11 | 1,303.94 | 1,334.21 | 1,334.21 | 1.62% | 554,838 |
| Apr 8, 2026 | 1,255.26 | 1,322.62 | 1,251.98 | 1,312.94 | 1,312.94 | 10.22% | 1,013,216 |
| Apr 7, 2026 | 1,179.21 | 1,194.73 | 1,153.17 | 1,191.22 | 1,191.22 | 0.95% | 438,885 |
| Apr 6, 2026 | 1,128.35 | 1,182.57 | 1,128.03 | 1,180.03 | 1,180.03 | 5.50% | 499,587 |
| Apr 2, 2026 | 1,071.89 | 1,125.73 | 1,071.89 | 1,118.49 | 1,118.49 | -0.09% | 344,146 |
| Apr 1, 2026 | 1,100.75 | 1,138.42 | 1,095.01 | 1,119.51 | 1,119.51 | 2.39% | 668,363 |
| Mar 31, 2026 | 1,008.38 | 1,096.16 | 1,008.38 | 1,093.35 | 1,093.35 | 9.30% | 815,456 |
| Mar 30, 2026 | 1,057.91 | 1,057.91 | 996.01 | 1,002.34 | 1,000.34 | -4.81% | 590,194 |
| Mar 27, 2026 | 1,049.26 | 1,073.36 | 1,039.04 | 1,053.01 | 1,050.91 | -0.50% | 537,311 |
| Mar 26, 2026 | 1,101.48 | 1,112.44 | 1,057.02 | 1,058.28 | 1,056.17 | -5.40% | 547,114 |
| Mar 25, 2026 | 1,116.32 | 1,127.74 | 1,101.86 | 1,118.66 | 1,116.43 | 1.55% | 308,821 |
| Mar 24, 2026 | 1,068.75 | 1,109.99 | 1,060.00 | 1,101.59 | 1,099.39 | 2.34% | 429,547 |
| Mar 23, 2026 | 1,100.00 | 1,108.88 | 1,074.85 | 1,076.35 | 1,074.20 | 0.70% | 472,924 |
| Mar 20, 2026 | 1,094.44 | 1,103.27 | 1,050.90 | 1,068.85 | 1,066.72 | -2.18% | 1,035,261 |
| Mar 19, 2026 | 1,041.46 | 1,104.10 | 1,033.94 | 1,092.69 | 1,090.51 | 1.62% | 364,888 |
| Mar 18, 2026 | 1,080.58 | 1,094.50 | 1,070.61 | 1,075.29 | 1,073.14 | 0.81% | 581,762 |
| Mar 17, 2026 | 1,069.85 | 1,085.00 | 1,060.01 | 1,066.66 | 1,064.53 | -1.00% | 336,412 |
| Mar 16, 2026 | 1,078.84 | 1,097.07 | 1,073.77 | 1,077.40 | 1,075.25 | 2.36% | 484,329 |
| Mar 13, 2026 | 1,054.17 | 1,083.93 | 1,042.85 | 1,052.59 | 1,050.49 | 1.81% | 406,195 |
| Mar 12, 2026 | 1,045.94 | 1,049.43 | 1,021.78 | 1,033.88 | 1,031.82 | -3.47% | 485,876 |
| Mar 11, 2026 | 1,059.06 | 1,078.29 | 1,053.82 | 1,071.09 | 1,068.95 | 1.45% | 332,445 |
| Mar 10, 2026 | 1,051.78 | 1,091.38 | 1,040.00 | 1,055.82 | 1,053.71 | -0.58% | 448,366 |
| Mar 9, 2026 | 1,013.05 | 1,066.02 | 988.00 | 1,062.00 | 1,059.88 | 3.80% | 913,493 |
| Mar 6, 2026 | 1,039.37 | 1,062.41 | 1,012.46 | 1,023.16 | 1,021.12 | -5.13% | 756,955 |
| Mar 5, 2026 | 1,071.49 | 1,093.06 | 1,051.79 | 1,078.44 | 1,076.29 | -1.87% | 588,295 |
| Mar 4, 2026 | 1,082.64 | 1,102.20 | 1,080.00 | 1,099.02 | 1,096.83 | 2.29% | 433,829 |
| Mar 3, 2026 | 1,108.33 | 1,130.18 | 1,068.81 | 1,074.37 | 1,072.23 | -5.97% | 820,600 |
| Mar 2, 2026 | 1,108.08 | 1,144.60 | 1,102.46 | 1,142.58 | 1,140.30 | -0.01% | 540,362 |
| Feb 27, 2026 | 1,156.07 | 1,163.38 | 1,128.60 | 1,142.74 | 1,140.46 | -3.17% | 805,468 |
| Feb 26, 2026 | 1,237.20 | 1,239.70 | 1,152.78 | 1,180.13 | 1,177.78 | -4.21% | 644,548 |
| Feb 25, 2026 | 1,226.81 | 1,256.22 | 1,220.24 | 1,231.95 | 1,229.49 | 1.51% | 435,520 |
| Feb 24, 2026 | 1,200.01 | 1,240.25 | 1,161.81 | 1,213.67 | 1,211.25 | 1.98% | 610,616 |
| Feb 23, 2026 | 1,204.44 | 1,220.00 | 1,171.42 | 1,190.06 | 1,187.69 | -1.17% | 463,260 |
| Feb 20, 2026 | 1,160.31 | 1,205.75 | 1,160.31 | 1,204.10 | 1,201.70 | 2.46% | 375,908 |
| Feb 19, 2026 | 1,170.28 | 1,175.62 | 1,152.85 | 1,175.22 | 1,172.88 | -1.10% | 302,187 |
| Feb 18, 2026 | 1,177.73 | 1,202.92 | 1,172.35 | 1,188.32 | 1,185.95 | 1.29% | 357,201 |
| Feb 17, 2026 | 1,150.15 | 1,191.35 | 1,139.63 | 1,173.18 | 1,170.84 | 0.15% | 446,781 |
| Feb 13, 2026 | 1,149.06 | 1,173.38 | 1,136.09 | 1,171.47 | 1,169.13 | 1.34% | 434,361 |
| Feb 12, 2026 | 1,206.25 | 1,225.17 | 1,151.23 | 1,155.93 | 1,153.62 | -3.41% | 726,415 |
| Feb 11, 2026 | 1,165.00 | 1,204.00 | 1,154.40 | 1,196.73 | 1,194.34 | 4.79% | 769,172 |
| Feb 10, 2026 | 1,197.26 | 1,197.26 | 1,127.34 | 1,142.02 | 1,139.74 | -5.32% | 779,568 |
| Feb 9, 2026 | 1,216.00 | 1,240.90 | 1,180.22 | 1,206.18 | 1,203.77 | -1.92% | 660,941 |
| Feb 6, 2026 | 1,250.00 | 1,250.00 | 1,169.62 | 1,229.82 | 1,227.37 | 6.39% | 1,557,036 |
| Feb 5, 2026 | 1,125.60 | 1,179.00 | 1,100.00 | 1,155.99 | 1,153.68 | 1.69% | 820,359 |
| Feb 4, 2026 | 1,167.50 | 1,226.30 | 1,109.00 | 1,136.83 | 1,134.56 | -2.40% | 1,263,257 |
| Feb 3, 2026 | 1,185.01 | 1,199.76 | 1,142.71 | 1,164.83 | 1,162.51 | -0.72% | 840,260 |