Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
963.28
+10.53 (1.11%)
At close: Dec 5, 2025, 4:00 PM EST
963.24
-0.03 (0.00%)
After-hours: Dec 5, 2025, 7:15 PM EST
Monolithic Power Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 964.25 | 971.12 | 954.39 | 963.28 | 963.28 | 1.11% | 348,109 |
| Dec 4, 2025 | 950.10 | 959.38 | 931.98 | 952.74 | 952.74 | -0.55% | 479,087 |
| Dec 3, 2025 | 954.31 | 962.22 | 933.82 | 958.02 | 958.02 | 0.61% | 464,203 |
| Dec 2, 2025 | 938.65 | 963.91 | 931.60 | 952.18 | 952.18 | 2.57% | 603,031 |
| Dec 1, 2025 | 908.72 | 937.69 | 894.39 | 928.35 | 928.35 | 0.02% | 544,978 |
| Nov 28, 2025 | 919.06 | 930.40 | 910.03 | 928.17 | 928.17 | 0.35% | 357,467 |
| Nov 26, 2025 | 920.19 | 931.78 | 914.34 | 924.95 | 924.95 | 1.80% | 603,712 |
| Nov 25, 2025 | 883.69 | 913.26 | 864.45 | 908.61 | 908.61 | 1.75% | 559,769 |
| Nov 24, 2025 | 887.69 | 903.63 | 881.89 | 892.97 | 892.97 | 2.36% | 1,145,218 |
| Nov 21, 2025 | 864.16 | 883.79 | 833.18 | 872.35 | 872.35 | 1.77% | 763,005 |
| Nov 20, 2025 | 908.62 | 917.44 | 852.69 | 857.19 | 857.19 | -3.10% | 1,053,094 |
| Nov 19, 2025 | 866.16 | 890.84 | 859.97 | 884.65 | 884.65 | 3.23% | 843,342 |
| Nov 18, 2025 | 887.22 | 894.51 | 852.04 | 856.96 | 856.96 | -4.46% | 878,728 |
| Nov 17, 2025 | 914.29 | 924.00 | 879.42 | 897.01 | 897.01 | -2.52% | 484,222 |
| Nov 14, 2025 | 879.11 | 938.54 | 866.38 | 920.19 | 920.19 | -0.44% | 486,195 |
| Nov 13, 2025 | 950.67 | 959.17 | 912.95 | 924.29 | 924.29 | -3.55% | 676,205 |
| Nov 12, 2025 | 973.99 | 980.95 | 957.00 | 958.35 | 958.35 | 0.38% | 543,923 |
| Nov 11, 2025 | 967.19 | 978.76 | 951.12 | 954.71 | 954.71 | -2.21% | 580,565 |
| Nov 10, 2025 | 986.65 | 989.72 | 947.87 | 976.31 | 976.31 | 1.88% | 608,506 |
| Nov 7, 2025 | 944.00 | 959.01 | 904.06 | 958.26 | 958.26 | 0.02% | 740,045 |
| Nov 6, 2025 | 995.15 | 1,006.00 | 954.09 | 958.07 | 958.07 | -4.21% | 676,976 |
| Nov 5, 2025 | 961.04 | 1,014.99 | 956.68 | 1,000.15 | 1,000.15 | 4.41% | 697,162 |
| Nov 4, 2025 | 966.12 | 976.91 | 953.09 | 957.87 | 957.87 | -4.59% | 866,121 |
| Nov 3, 2025 | 1,030.00 | 1,040.39 | 984.75 | 1,003.93 | 1,003.93 | -0.11% | 828,008 |
| Oct 31, 2025 | 1,020.16 | 1,038.33 | 935.93 | 1,005.00 | 1,005.00 | -7.59% | 1,646,492 |
| Oct 30, 2025 | 1,070.76 | 1,100.51 | 1,070.76 | 1,087.56 | 1,087.56 | -0.60% | 1,262,725 |
| Oct 29, 2025 | 1,095.97 | 1,123.38 | 1,090.50 | 1,094.08 | 1,094.08 | 0.71% | 817,568 |
| Oct 28, 2025 | 1,097.85 | 1,111.03 | 1,085.99 | 1,086.36 | 1,086.36 | -1.69% | 475,891 |
| Oct 27, 2025 | 1,097.28 | 1,112.06 | 1,093.70 | 1,105.05 | 1,105.05 | 2.80% | 555,034 |
| Oct 24, 2025 | 1,086.10 | 1,091.91 | 1,073.53 | 1,074.91 | 1,074.91 | 0.38% | 378,719 |
| Oct 23, 2025 | 1,045.00 | 1,076.00 | 1,038.60 | 1,070.80 | 1,070.80 | 6.93% | 727,570 |
| Oct 22, 2025 | 1,013.55 | 1,022.76 | 980.78 | 1,001.40 | 1,001.40 | -2.65% | 713,158 |
| Oct 21, 2025 | 1,027.32 | 1,035.70 | 1,012.35 | 1,028.67 | 1,028.67 | -0.28% | 255,137 |
| Oct 20, 2025 | 1,018.58 | 1,037.89 | 1,018.58 | 1,031.59 | 1,031.59 | 2.68% | 442,631 |
| Oct 17, 2025 | 1,002.90 | 1,024.34 | 994.86 | 1,004.65 | 1,004.65 | -2.16% | 502,945 |
| Oct 16, 2025 | 1,011.52 | 1,041.50 | 1,007.93 | 1,026.83 | 1,026.83 | 1.88% | 517,834 |
| Oct 15, 2025 | 1,000.00 | 1,016.96 | 987.31 | 1,007.93 | 1,007.93 | 4.10% | 632,176 |
| Oct 14, 2025 | 967.54 | 994.83 | 960.00 | 968.25 | 968.25 | -1.37% | 754,100 |
| Oct 13, 2025 | 967.60 | 990.67 | 953.66 | 981.67 | 981.67 | 8.54% | 774,368 |
| Oct 10, 2025 | 985.45 | 990.25 | 901.39 | 904.44 | 904.44 | -7.64% | 872,625 |
| Oct 9, 2025 | 973.83 | 980.10 | 961.94 | 979.25 | 979.25 | -0.17% | 361,405 |
| Oct 8, 2025 | 947.19 | 983.48 | 945.99 | 980.90 | 980.90 | 3.75% | 570,450 |
| Oct 7, 2025 | 969.70 | 972.74 | 940.88 | 945.49 | 945.49 | -2.34% | 423,286 |
| Oct 6, 2025 | 932.58 | 986.63 | 930.61 | 968.10 | 968.10 | 5.36% | 652,354 |
| Oct 3, 2025 | 940.44 | 954.81 | 916.80 | 918.83 | 918.83 | -1.26% | 420,468 |
| Oct 2, 2025 | 927.25 | 940.11 | 925.05 | 930.51 | 930.51 | 1.60% | 389,536 |
| Oct 1, 2025 | 907.37 | 923.34 | 894.89 | 915.87 | 915.87 | -0.52% | 444,382 |
| Sep 30, 2025 | 898.16 | 929.50 | 894.38 | 920.64 | 920.64 | 3.84% | 505,776 |
| Sep 29, 2025 | 908.52 | 915.65 | 885.92 | 886.59 | 885.03 | -0.11% | 333,465 |
| Sep 26, 2025 | 888.55 | 892.54 | 877.00 | 887.55 | 885.99 | -0.43% | 304,299 |
| Sep 25, 2025 | 897.65 | 898.19 | 872.29 | 891.39 | 889.82 | -1.88% | 336,512 |
| Sep 24, 2025 | 920.33 | 920.33 | 899.90 | 908.45 | 906.85 | -0.64% | 349,436 |
| Sep 23, 2025 | 917.64 | 932.25 | 907.02 | 914.27 | 912.66 | -0.93% | 425,496 |
| Sep 22, 2025 | 920.40 | 938.04 | 917.79 | 922.81 | 921.19 | 0.70% | 416,584 |
| Sep 19, 2025 | 923.37 | 923.37 | 893.07 | 916.36 | 914.75 | -0.15% | 1,232,124 |
| Sep 18, 2025 | 895.35 | 924.40 | 890.09 | 917.78 | 916.17 | 4.57% | 853,397 |
| Sep 17, 2025 | 856.42 | 884.46 | 850.00 | 877.66 | 876.12 | 2.41% | 408,444 |
| Sep 16, 2025 | 847.57 | 860.20 | 844.63 | 857.02 | 855.51 | 0.86% | 401,264 |
| Sep 15, 2025 | 838.00 | 852.54 | 831.00 | 849.71 | 848.21 | 1.87% | 393,389 |
| Sep 12, 2025 | 844.96 | 844.96 | 830.00 | 834.14 | 832.67 | -0.74% | 329,693 |
| Sep 11, 2025 | 855.16 | 860.60 | 830.37 | 840.38 | 838.90 | -1.73% | 576,065 |
| Sep 10, 2025 | 868.88 | 869.70 | 846.00 | 855.18 | 853.68 | -0.31% | 751,897 |
| Sep 9, 2025 | 865.71 | 869.32 | 848.13 | 857.87 | 856.36 | -0.75% | 282,346 |
| Sep 8, 2025 | 869.31 | 879.50 | 850.66 | 864.32 | 862.80 | -0.18% | 495,424 |
| Sep 5, 2025 | 853.65 | 867.22 | 846.34 | 865.86 | 864.34 | 2.09% | 491,525 |
| Sep 4, 2025 | 827.56 | 850.14 | 817.57 | 848.11 | 846.62 | 2.48% | 424,657 |
| Sep 3, 2025 | 830.26 | 830.26 | 809.54 | 827.56 | 826.10 | 0.47% | 432,681 |
| Sep 2, 2025 | 811.11 | 824.97 | 800.97 | 823.65 | 822.20 | -1.45% | 517,496 |
| Aug 29, 2025 | 849.41 | 853.49 | 825.16 | 835.76 | 834.29 | -2.64% | 568,929 |
| Aug 28, 2025 | 866.98 | 875.05 | 857.40 | 858.46 | 856.95 | -0.91% | 468,149 |
| Aug 27, 2025 | 847.90 | 870.00 | 843.53 | 866.32 | 864.80 | 1.84% | 326,701 |
| Aug 26, 2025 | 839.86 | 857.99 | 839.86 | 850.64 | 849.14 | 1.53% | 404,065 |
| Aug 25, 2025 | 841.41 | 850.44 | 832.20 | 837.86 | 836.39 | -0.73% | 348,017 |
| Aug 22, 2025 | 822.24 | 859.79 | 820.64 | 844.00 | 842.51 | 2.83% | 548,835 |
| Aug 21, 2025 | 814.22 | 831.31 | 812.00 | 820.74 | 819.30 | -0.67% | 413,072 |
| Aug 20, 2025 | 840.83 | 847.57 | 805.94 | 826.27 | 824.82 | -2.19% | 673,298 |
| Aug 19, 2025 | 854.40 | 868.00 | 839.96 | 844.80 | 843.31 | -0.65% | 558,061 |
| Aug 18, 2025 | 823.59 | 853.24 | 823.01 | 850.31 | 848.81 | 2.88% | 563,880 |
| Aug 15, 2025 | 851.92 | 851.92 | 823.85 | 826.47 | 825.02 | -2.63% | 575,639 |
| Aug 14, 2025 | 845.53 | 854.99 | 836.51 | 848.81 | 847.32 | -1.51% | 582,684 |
| Aug 13, 2025 | 845.60 | 865.13 | 840.00 | 861.80 | 860.28 | 2.53% | 543,993 |
| Aug 12, 2025 | 807.80 | 844.00 | 803.00 | 840.56 | 839.08 | 5.40% | 714,110 |
| Aug 11, 2025 | 806.23 | 815.40 | 795.82 | 797.51 | 796.11 | -0.84% | 540,527 |
| Aug 8, 2025 | 798.52 | 815.00 | 794.50 | 804.29 | 802.87 | 0.80% | 399,365 |
| Aug 7, 2025 | 816.30 | 819.50 | 785.00 | 797.94 | 796.54 | -0.98% | 640,358 |
| Aug 6, 2025 | 802.00 | 807.40 | 790.07 | 805.85 | 804.43 | 0.38% | 416,428 |
| Aug 5, 2025 | 830.00 | 834.44 | 774.14 | 802.78 | 801.37 | -3.35% | 988,895 |
| Aug 4, 2025 | 791.42 | 831.97 | 778.90 | 830.63 | 829.17 | 5.73% | 1,360,548 |
| Aug 1, 2025 | 740.00 | 803.00 | 711.46 | 785.62 | 784.24 | 10.46% | 1,524,271 |
| Jul 31, 2025 | 731.24 | 740.00 | 706.00 | 711.24 | 709.99 | -2.64% | 1,344,500 |
| Jul 30, 2025 | 734.46 | 747.50 | 726.05 | 730.54 | 729.25 | 0.85% | 629,956 |
| Jul 29, 2025 | 745.52 | 751.49 | 715.00 | 724.37 | 723.10 | -1.92% | 488,924 |
| Jul 28, 2025 | 722.56 | 741.07 | 721.72 | 738.55 | 737.25 | 3.34% | 545,600 |
| Jul 25, 2025 | 711.61 | 718.25 | 704.02 | 714.68 | 713.42 | 0.24% | 275,910 |
| Jul 24, 2025 | 717.46 | 720.82 | 702.56 | 713.00 | 711.75 | -0.97% | 343,509 |
| Jul 23, 2025 | 717.88 | 721.46 | 708.00 | 720.01 | 718.74 | - | 401,851 |
| Jul 22, 2025 | 723.49 | 729.95 | 702.32 | 719.98 | 718.71 | -0.66% | 554,220 |
| Jul 21, 2025 | 728.59 | 737.76 | 723.91 | 724.77 | 723.49 | -0.06% | 409,706 |
| Jul 18, 2025 | 719.89 | 725.83 | 705.84 | 725.24 | 723.96 | 1.64% | 432,751 |
| Jul 17, 2025 | 709.89 | 717.72 | 703.43 | 713.57 | 712.31 | -0.06% | 431,703 |