Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
834.14
-6.24 (-0.74%)
At close: Sep 12, 2025, 4:00 PM EDT
835.50
+1.36 (0.16%)
After-hours: Sep 12, 2025, 4:20 PM EDT
Monolithic Power Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 12, 2025 | 844.96 | 844.96 | 830.00 | 834.14 | - | -0.74% | 327,833 |
| Sep 11, 2025 | 855.16 | 860.60 | 830.37 | 840.38 | 840.38 | -1.73% | 576,065 |
| Sep 10, 2025 | 868.88 | 869.70 | 846.00 | 855.18 | 855.18 | -0.31% | 751,897 |
| Sep 9, 2025 | 865.71 | 869.32 | 848.13 | 857.87 | 857.87 | -0.75% | 282,346 |
| Sep 8, 2025 | 869.31 | 879.50 | 850.66 | 864.32 | 864.32 | -0.18% | 495,424 |
| Sep 5, 2025 | 853.65 | 867.22 | 846.34 | 865.86 | 865.86 | 2.09% | 491,525 |
| Sep 4, 2025 | 827.56 | 850.14 | 817.57 | 848.11 | 848.11 | 2.48% | 424,657 |
| Sep 3, 2025 | 830.26 | 830.26 | 809.54 | 827.56 | 827.56 | 0.47% | 422,132 |
| Sep 2, 2025 | 811.11 | 824.97 | 800.97 | 823.65 | 823.65 | -1.45% | 517,496 |
| Aug 29, 2025 | 849.41 | 853.49 | 825.16 | 835.76 | 835.76 | -2.64% | 568,929 |
| Aug 28, 2025 | 866.98 | 875.05 | 857.40 | 858.46 | 858.46 | -0.91% | 468,149 |
| Aug 27, 2025 | 847.90 | 870.00 | 843.53 | 866.32 | 866.32 | 1.84% | 326,701 |
| Aug 26, 2025 | 839.86 | 857.99 | 839.86 | 850.64 | 850.64 | 1.53% | 404,065 |
| Aug 25, 2025 | 841.41 | 850.44 | 832.20 | 837.86 | 837.86 | -0.73% | 348,017 |
| Aug 22, 2025 | 822.24 | 859.79 | 820.64 | 844.00 | 844.00 | 2.83% | 548,835 |
| Aug 21, 2025 | 814.22 | 831.31 | 812.00 | 820.74 | 820.74 | -0.67% | 413,072 |
| Aug 20, 2025 | 840.83 | 847.57 | 805.94 | 826.27 | 826.27 | -2.19% | 673,298 |
| Aug 19, 2025 | 854.40 | 868.00 | 839.96 | 844.80 | 844.80 | -0.65% | 558,061 |
| Aug 18, 2025 | 823.59 | 853.24 | 823.01 | 850.31 | 850.31 | 2.88% | 563,880 |
| Aug 15, 2025 | 851.92 | 851.92 | 823.85 | 826.47 | 826.47 | -2.63% | 575,639 |
| Aug 14, 2025 | 845.53 | 854.99 | 836.51 | 848.81 | 848.81 | -1.51% | 582,684 |
| Aug 13, 2025 | 845.60 | 865.13 | 840.00 | 861.80 | 861.80 | 2.53% | 543,993 |
| Aug 12, 2025 | 807.80 | 844.00 | 803.00 | 840.56 | 840.56 | 5.40% | 714,110 |
| Aug 11, 2025 | 806.23 | 815.40 | 795.82 | 797.51 | 797.51 | -0.84% | 540,527 |
| Aug 8, 2025 | 798.52 | 815.00 | 794.50 | 804.29 | 804.29 | 0.80% | 399,365 |
| Aug 7, 2025 | 816.30 | 819.50 | 785.00 | 797.94 | 797.94 | -0.98% | 640,358 |
| Aug 6, 2025 | 802.00 | 807.40 | 790.07 | 805.85 | 805.85 | 0.38% | 416,428 |
| Aug 5, 2025 | 830.00 | 834.44 | 774.14 | 802.78 | 802.78 | -3.35% | 988,895 |
| Aug 4, 2025 | 791.42 | 831.97 | 778.90 | 830.63 | 830.63 | 5.73% | 1,360,548 |
| Aug 1, 2025 | 740.00 | 803.00 | 711.46 | 785.62 | 785.62 | 10.46% | 1,524,271 |
| Jul 31, 2025 | 731.24 | 740.00 | 706.00 | 711.24 | 711.24 | -2.64% | 1,344,500 |
| Jul 30, 2025 | 734.46 | 747.50 | 726.05 | 730.54 | 730.54 | 0.85% | 629,956 |
| Jul 29, 2025 | 745.52 | 751.49 | 715.00 | 724.37 | 724.37 | -1.92% | 488,924 |
| Jul 28, 2025 | 722.56 | 741.07 | 721.72 | 738.55 | 738.55 | 3.34% | 545,600 |
| Jul 25, 2025 | 711.61 | 718.25 | 704.02 | 714.68 | 714.68 | 0.24% | 275,910 |
| Jul 24, 2025 | 717.46 | 720.82 | 702.56 | 713.00 | 713.00 | -0.97% | 343,509 |
| Jul 23, 2025 | 717.88 | 721.46 | 708.00 | 720.01 | 720.01 | - | 401,851 |
| Jul 22, 2025 | 723.49 | 729.95 | 702.32 | 719.98 | 719.98 | -0.66% | 554,220 |
| Jul 21, 2025 | 728.59 | 737.76 | 723.91 | 724.77 | 724.77 | -0.06% | 409,706 |
| Jul 18, 2025 | 719.89 | 725.83 | 705.84 | 725.24 | 725.24 | 1.64% | 432,751 |
| Jul 17, 2025 | 709.89 | 717.72 | 703.43 | 713.57 | 713.57 | -0.06% | 431,703 |
| Jul 16, 2025 | 716.54 | 722.23 | 686.87 | 714.03 | 714.03 | -0.50% | 779,809 |
| Jul 15, 2025 | 742.75 | 754.99 | 716.95 | 717.62 | 717.62 | -0.49% | 585,728 |
| Jul 14, 2025 | 729.43 | 729.58 | 703.06 | 721.14 | 721.14 | -2.03% | 561,207 |
| Jul 11, 2025 | 739.14 | 747.60 | 725.00 | 736.06 | 736.06 | -0.59% | 383,155 |
| Jul 10, 2025 | 756.41 | 756.41 | 735.40 | 740.45 | 740.45 | -1.42% | 386,935 |
| Jul 9, 2025 | 762.01 | 778.86 | 730.00 | 751.14 | 751.14 | -1.34% | 584,820 |
| Jul 8, 2025 | 753.16 | 770.15 | 750.16 | 761.31 | 761.31 | 2.72% | 504,242 |
| Jul 7, 2025 | 748.23 | 755.31 | 736.64 | 741.17 | 741.17 | -2.30% | 450,936 |
| Jul 3, 2025 | 770.00 | 776.88 | 754.41 | 758.64 | 758.64 | -0.75% | 400,080 |