Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
918.83
-11.68 (-1.26%)
At close: Oct 3, 2025, 4:00 PM EDT
919.00
+0.17 (0.02%)
After-hours: Oct 3, 2025, 7:57 PM EDT
Monolithic Power Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 3, 2025 | 940.44 | 954.81 | 916.80 | 918.83 | 918.83 | -1.26% | 419,977 |
| 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 | 885.09 | -0.11% | 333,465 |
| Sep 26, 2025 | 888.55 | 892.54 | 877.00 | 887.55 | 886.05 | -0.43% | 304,299 |
| Sep 25, 2025 | 897.65 | 898.19 | 872.29 | 891.39 | 889.88 | -1.88% | 336,512 |
| Sep 24, 2025 | 920.33 | 920.33 | 899.90 | 908.45 | 906.91 | -0.64% | 349,436 |
| Sep 23, 2025 | 917.64 | 932.25 | 907.02 | 914.27 | 912.72 | -0.93% | 425,496 |
| Sep 22, 2025 | 920.40 | 938.04 | 917.79 | 922.81 | 921.25 | 0.70% | 416,584 |
| Sep 19, 2025 | 923.37 | 923.37 | 893.07 | 916.36 | 914.81 | -0.15% | 1,232,124 |
| Sep 18, 2025 | 895.35 | 924.40 | 890.09 | 917.78 | 916.23 | 4.57% | 853,397 |
| Sep 17, 2025 | 856.42 | 884.46 | 850.00 | 877.66 | 876.18 | 2.41% | 408,444 |
| Sep 16, 2025 | 847.57 | 860.20 | 844.63 | 857.02 | 855.57 | 0.86% | 401,264 |
| Sep 15, 2025 | 838.00 | 852.54 | 831.00 | 849.71 | 848.27 | 1.87% | 393,389 |
| Sep 12, 2025 | 844.96 | 844.96 | 830.00 | 834.14 | 832.73 | -0.74% | 329,693 |
| Sep 11, 2025 | 855.16 | 860.60 | 830.37 | 840.38 | 838.96 | -1.73% | 576,065 |
| Sep 10, 2025 | 868.88 | 869.70 | 846.00 | 855.18 | 853.73 | -0.31% | 751,897 |
| Sep 9, 2025 | 865.71 | 869.32 | 848.13 | 857.87 | 856.42 | -0.75% | 282,346 |
| Sep 8, 2025 | 869.31 | 879.50 | 850.66 | 864.32 | 862.86 | -0.18% | 495,424 |
| Sep 5, 2025 | 853.65 | 867.22 | 846.34 | 865.86 | 864.40 | 2.09% | 491,525 |
| Sep 4, 2025 | 827.56 | 850.14 | 817.57 | 848.11 | 846.68 | 2.48% | 424,657 |
| Sep 3, 2025 | 830.26 | 830.26 | 809.54 | 827.56 | 826.16 | 0.47% | 422,132 |
| Sep 2, 2025 | 811.11 | 824.97 | 800.97 | 823.65 | 822.26 | -1.45% | 517,496 |
| Aug 29, 2025 | 849.41 | 853.49 | 825.16 | 835.76 | 834.35 | -2.64% | 568,929 |
| Aug 28, 2025 | 866.98 | 875.05 | 857.40 | 858.46 | 857.01 | -0.91% | 468,149 |
| Aug 27, 2025 | 847.90 | 870.00 | 843.53 | 866.32 | 864.86 | 1.84% | 326,701 |
| Aug 26, 2025 | 839.86 | 857.99 | 839.86 | 850.64 | 849.20 | 1.53% | 404,065 |
| Aug 25, 2025 | 841.41 | 850.44 | 832.20 | 837.86 | 836.44 | -0.73% | 348,017 |
| Aug 22, 2025 | 822.24 | 859.79 | 820.64 | 844.00 | 842.57 | 2.83% | 548,835 |
| Aug 21, 2025 | 814.22 | 831.31 | 812.00 | 820.74 | 819.35 | -0.67% | 413,072 |
| Aug 20, 2025 | 840.83 | 847.57 | 805.94 | 826.27 | 824.87 | -2.19% | 673,298 |
| Aug 19, 2025 | 854.40 | 868.00 | 839.96 | 844.80 | 843.37 | -0.65% | 558,061 |
| Aug 18, 2025 | 823.59 | 853.24 | 823.01 | 850.31 | 848.87 | 2.88% | 563,880 |
| Aug 15, 2025 | 851.92 | 851.92 | 823.85 | 826.47 | 825.07 | -2.63% | 575,639 |
| Aug 14, 2025 | 845.53 | 854.99 | 836.51 | 848.81 | 847.37 | -1.51% | 582,684 |
| Aug 13, 2025 | 845.60 | 865.13 | 840.00 | 861.80 | 860.34 | 2.53% | 543,993 |
| Aug 12, 2025 | 807.80 | 844.00 | 803.00 | 840.56 | 839.14 | 5.40% | 714,110 |
| Aug 11, 2025 | 806.23 | 815.40 | 795.82 | 797.51 | 796.16 | -0.84% | 540,527 |
| Aug 8, 2025 | 798.52 | 815.00 | 794.50 | 804.29 | 802.93 | 0.80% | 399,365 |
| Aug 7, 2025 | 816.30 | 819.50 | 785.00 | 797.94 | 796.59 | -0.98% | 640,358 |
| Aug 6, 2025 | 802.00 | 807.40 | 790.07 | 805.85 | 804.49 | 0.38% | 416,428 |
| Aug 5, 2025 | 830.00 | 834.44 | 774.14 | 802.78 | 801.42 | -3.35% | 988,895 |
| Aug 4, 2025 | 791.42 | 831.97 | 778.90 | 830.63 | 829.23 | 5.73% | 1,360,548 |
| Aug 1, 2025 | 740.00 | 803.00 | 711.46 | 785.62 | 784.29 | 10.46% | 1,524,271 |
| Jul 31, 2025 | 731.24 | 740.00 | 706.00 | 711.24 | 710.04 | -2.64% | 1,344,500 |
| Jul 30, 2025 | 734.46 | 747.50 | 726.05 | 730.54 | 729.30 | 0.85% | 629,956 |
| Jul 29, 2025 | 745.52 | 751.49 | 715.00 | 724.37 | 723.15 | -1.92% | 488,924 |
| Jul 28, 2025 | 722.56 | 741.07 | 721.72 | 738.55 | 737.30 | 3.34% | 545,600 |
| Jul 25, 2025 | 711.61 | 718.25 | 704.02 | 714.68 | 713.47 | 0.24% | 275,910 |