Monolithic Power Systems, Inc. (MPWR) stock
MPWRNasdaqSemiconductors & Related DevicesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 18/3074% above fair value
$1211.63+12.82 (+1.07%)
Close on Oct 30, 2026Market cap $59.54BP/E 74.0Yield 0.52%
Price history
Monolithic Power Systems share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$1,211.63
+1.07% on the day
52-week range
$833.18 – $1,714.09
-29.3% from the high
Change over 52 weeks
+11.4%
From $1,087.56 on Oct 30, 2025
Average volume
839,066
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $1,359.98 | $1,491.64 | $1,126.57 | $1,211.63 | -10.06% | 18,015,139 |
| Sep 2026 | $1,245.11 | $1,387.46 | $1,133.83 | $1,347.22 | +6.27% | 15,137,914 |
| Aug 2026 | $1,417.78 | $1,464.99 | $1,253.00 | $1,267.77 | -11.10% | 13,597,863 |
| Jul 2026 | $1,344.89 | $1,568.21 | $1,231.00 | $1,426.03 | +3.16% | 21,518,374 |
| Jun 2026 | $1,536.08 | $1,697.35 | $1,276.22 | $1,382.36 | -11.74% | 23,544,037 |
| May 2026 | $1,564.56 | $1,714.09 | $1,412.89 | $1,566.21 | -2.99% | 13,656,589 |
| Apr 2026 | $1,100.75 | $1,661.79 | $1,071.89 | $1,614.41 | +47.66% | 12,383,751 |
| Mar 2026 | $1,108.08 | $1,144.60 | $988.00 | $1,093.35 | -4.32% | 12,230,435 |
| Feb 2026 | $1,110.68 | $1,256.22 | $1,100.00 | $1,142.74 | +1.65% | 13,022,192 |
| Jan 2026 | $927.61 | $1,188.66 | $926.18 | $1,124.15 | +24.03% | 11,534,929 |
| Dec 2025 | $908.72 | $1,002.50 | $894.39 | $906.36 | -2.35% | 16,031,064 |
| Nov 2025 | $1,030.00 | $1,040.39 | $833.18 | $928.17 | -7.64% | 13,392,263 |
| Oct 2025 | $907.37 | $1,123.38 | $894.89 | $1,005.00 | +9.16% | 14,590,854 |
| Sep 2025 | $811.11 | $938.04 | $800.97 | $920.64 | +10.16% | 10,261,970 |
| Aug 2025 | $740.00 | $875.05 | $711.46 | $835.76 | +17.51% | 13,159,825 |
| Jul 2025 | $729.23 | $778.86 | $686.87 | $711.24 | -2.75% | 11,661,641 |
| Jun 2025 | $661.31 | $745.48 | $655.50 | $731.38 | +10.50% | 11,264,731 |
| May 2025 | $600.00 | $755.00 | $594.84 | $661.90 | +11.60% | 15,610,018 |
| Apr 2025 | $575.13 | $597.41 | $438.86 | $593.10 | +2.26% | 25,176,881 |
| Mar 2025 | $619.34 | $652.89 | $554.02 | $579.98 | -5.08% | 19,277,312 |
| Feb 2025 | $615.27 | $723.99 | $596.60 | $611.01 | -4.14% | 18,042,727 |
| Jan 2025 | $604.09 | $700.00 | $576.42 | $637.37 | +7.72% | 17,001,698 |
| Dec 2024 | $567.05 | $644.81 | $566.01 | $591.70 | +4.24% | 17,054,624 |
| Nov 2024 | $766.22 | $796.58 | $546.71 | $567.64 | -25.24% | 27,484,575 |
| Oct 2024 | $921.34 | $954.00 | $733.88 | $759.30 | -17.87% | 13,884,242 |
| Sep 2024 | $919.73 | $950.29 | $795.95 | $924.50 | -1.09% | 11,091,140 |
| Aug 2024 | $842.25 | $959.64 | $729.59 | $934.68 | +8.29% | 13,049,676 |
| Jul 2024 | $807.88 | $891.67 | $761.35 | $863.09 | +5.04% | 11,787,277 |
| Jun 2024 | $746.35 | $856.30 | $709.02 | $821.68 | +11.70% | 9,370,054 |
| May 2024 | $658.90 | $776.01 | $647.50 | $735.63 | +9.91% | 11,132,671 |
| Apr 2024 | $677.42 | $700.85 | $584.95 | $669.33 | -1.19% | 10,891,332 |
| Mar 2024 | $726.95 | $778.15 | $640.61 | $677.42 | -5.92% | 11,446,264 |
| Feb 2024 | $607.00 | $761.50 | $594.36 | $720.04 | +19.47% | 12,044,849 |
| Jan 2024 | $620.50 | $648.00 | $561.08 | $602.72 | -4.45% | 9,929,392 |
| Dec 2023 | $547.41 | $647.12 | $542.73 | $630.78 | +14.95% | 8,889,709 |
| Nov 2023 | $440.03 | $560.64 | $432.64 | $548.72 | +24.22% | 10,424,582 |
| Oct 2023 | $461.37 | $513.10 | $392.10 | $441.74 | -4.39% | 13,082,185 |
| Sep 2023 | $525.53 | $536.39 | $437.46 | $462.00 | -11.36% | 9,863,648 |
| Aug 2023 | $512.01 | $555.17 | $474.47 | $521.21 | -6.84% | 12,684,229 |
| Jul 2023 | $545.23 | $595.98 | $502.75 | $559.49 | +3.57% | 11,422,942 |
| Jun 2023 | $495.00 | $548.59 | $477.36 | $540.23 | +10.27% | 11,573,350 |
| May 2023 | $461.62 | $553.64 | $383.19 | $489.91 | +6.05% | 18,498,339 |
| Apr 2023 | $496.47 | $500.81 | $433.42 | $461.97 | -7.71% | 6,885,060 |
| Mar 2023 | $486.43 | $517.83 | $462.62 | $500.54 | +3.36% | 10,616,207 |
| Feb 2023 | $426.55 | $530.65 | $426.44 | $484.29 | +13.53% | 12,043,627 |
| Jan 2023 | $359.65 | $436.42 | $339.28 | $426.56 | +20.63% | 9,783,304 |
| Dec 2022 | $381.01 | $416.14 | $336.63 | $353.61 | -7.42% | 12,697,206 |
| Nov 2022 | $349.66 | $409.73 | $328.20 | $381.96 | +12.52% | 13,485,120 |
| Oct 2022 | $366.55 | $410.79 | $301.69 | $339.45 | -6.59% | 20,070,635 |
| Sep 2022 | $440.00 | $454.30 | $360.11 | $363.40 | -19.81% | 14,734,918 |
| Aug 2022 | $461.39 | $541.39 | $446.80 | $453.18 | -2.48% | 12,306,050 |
| Jul 2022 | $379.63 | $469.66 | $348.02 | $464.72 | +21.01% | 8,586,887 |
| Jun 2022 | $455.52 | $476.17 | $376.00 | $384.04 | -14.73% | 9,381,569 |
| May 2022 | $392.83 | $482.29 | $376.12 | $450.39 | +14.83% | 11,889,608 |
| Apr 2022 | $485.25 | $489.86 | $389.60 | $392.24 | -19.24% | 9,276,496 |
| Mar 2022 | $455.18 | $514.70 | $373.59 | $485.68 | +5.88% | 11,466,280 |
| Feb 2022 | $406.56 | $490.80 | $386.93 | $458.70 | +13.84% | 10,089,488 |
| Jan 2022 | $491.79 | $504.17 | $351.21 | $402.93 | -18.32% | 9,633,830 |
| Dec 2021 | $563.35 | $573.60 | $466.23 | $493.33 | -10.86% | 7,785,612 |
| Nov 2021 | $527.30 | $580.00 | $518.66 | $553.46 | +5.33% | 6,102,131 |
| Oct 2021 | $487.23 | $551.50 | $459.11 | $525.46 | +8.41% | 6,244,849 |
| Sep 2021 | $498.51 | $521.67 | $480.17 | $484.68 | -2.07% | 7,334,328 |
| Aug 2021 | $451.84 | $504.55 | $443.31 | $494.93 | +10.17% | 6,528,730 |
| Jul 2021 | $376.22 | $450.98 | $363.45 | $449.26 | +20.30% | 9,199,674 |
| Jun 2021 | $345.45 | $378.70 | $333.44 | $373.45 | +8.84% | 6,490,638 |
| May 2021 | $362.25 | $365.39 | $301.53 | $343.12 | -5.05% | 8,334,837 |
| Apr 2021 | $358.79 | $395.89 | $357.63 | $361.38 | +2.31% | 6,362,613 |
| Mar 2021 | $380.95 | $391.77 | $301.51 | $353.21 | -5.69% | 12,032,444 |
| Feb 2021 | $363.48 | $398.89 | $351.65 | $374.52 | +5.41% | 18,907,600 |
| Jan 2021 | $371.90 | $406.75 | $351.00 | $355.29 | -2.99% | 6,958,733 |
| Dec 2020 | $322.19 | $367.05 | $303.60 | $366.23 | +14.46% | 10,631,727 |
| Nov 2020 | $325.84 | $358.69 | $296.21 | $319.96 | +0.11% | 12,071,165 |
| Oct 2020 | $280.85 | $325.18 | $271.73 | $319.60 | +14.30% | 6,901,399 |
| Sep 2020 | $268.00 | $284.50 | $235.62 | $279.61 | +4.67% | 7,279,471 |
| Aug 2020 | $268.68 | $283.48 | $262.58 | $267.13 | +0.80% | 5,296,748 |
| Jul 2020 | $236.21 | $271.94 | $232.49 | $265.01 | +11.82% | 6,945,839 |
| Jun 2020 | $208.44 | $238.94 | $207.84 | $237.00 | +12.99% | 8,156,653 |
| May 2020 | $195.40 | $219.58 | $180.96 | $209.75 | +4.92% | 7,306,666 |
| Apr 2020 | $160.56 | $208.81 | $151.02 | $199.91 | +19.38% | 7,697,029 |
| Mar 2020 | $160.86 | $177.20 | $130.12 | $167.46 | +5.56% | 10,886,920 |
| Feb 2020 | $172.42 | $193.10 | $150.37 | $158.64 | -7.32% | 7,142,182 |
| Jan 2020 | $180.12 | $184.95 | $170.93 | $171.17 | -3.85% | 6,840,482 |
| Dec 2019 | $161.65 | $183.46 | $153.98 | $178.02 | +10.79% | 5,488,890 |
| Nov 2019 | $151.10 | $166.24 | $150.29 | $160.68 | +7.18% | 5,414,334 |
| Oct 2019 | $157.00 | $159.25 | $131.13 | $149.92 | -3.67% | 12,589,527 |
| Sep 2019 | $149.57 | $163.21 | $146.05 | $155.63 | +3.37% | 5,795,233 |
| Aug 2019 | $156.99 | $161.50 | $139.00 | $150.56 | +1.62% | 5,713,033 |
| Jul 2019 | $139.69 | $153.79 | $134.26 | $148.16 | +9.12% | 6,178,923 |
| Jun 2019 | $117.25 | $137.59 | $117.11 | $135.78 | +16.60% | 6,880,038 |
| May 2019 | $156.96 | $157.52 | $114.84 | $116.45 | -25.21% | 7,404,164 |
| Apr 2019 | $136.95 | $161.22 | $136.32 | $155.71 | +14.92% | 5,751,807 |
| Mar 2019 | $135.49 | $145.69 | $127.67 | $135.49 | +1.03% | 4,791,571 |
| Feb 2019 | $126.55 | $139.18 | $125.92 | $134.11 | +5.97% | 7,353,302 |
| Jan 2019 | $113.22 | $131.46 | $107.45 | $126.56 | +8.87% | 6,299,785 |
| Dec 2018 | $135.09 | $137.86 | $106.50 | $116.25 | -11.98% | 6,731,575 |
| Nov 2018 | $118.95 | $132.62 | $116.60 | $132.07 | +11.81% | 7,866,487 |
| Oct 2018 | $126.54 | $128.57 | $101.99 | $118.12 | -5.90% | 14,528,591 |
| Sep 2018 | $149.43 | $152.21 | $124.55 | $125.53 | -16.24% | 9,124,612 |
| Aug 2018 | $132.44 | $151.08 | $129.65 | $149.87 | +12.96% | 6,666,880 |
| Jul 2018 | $132.50 | $142.91 | $128.75 | $132.68 | -0.74% | 6,730,728 |
| Jun 2018 | $133.02 | $142.56 | $131.65 | $133.67 | +1.41% | 11,686,854 |
| May 2018 | $119.70 | $134.74 | $115.03 | $131.81 | +12.56% | 5,947,920 |
| Apr 2018 | $114.99 | $125.25 | $109.23 | $117.10 | +1.15% | 5,802,386 |
| Mar 2018 | $117.18 | $127.61 | $111.85 | $115.77 | -1.10% | 5,968,968 |
| Feb 2018 | $118.09 | $121.11 | $103.14 | $117.06 | -1.73% | 7,933,475 |
| Jan 2018 | $113.00 | $124.44 | $112.66 | $119.12 | +6.02% | 5,811,145 |
| Dec 2017 | $117.91 | $119.44 | $105.01 | $112.36 | -5.06% | 6,434,839 |
| Nov 2017 | $122.83 | $126.80 | $115.66 | $118.35 | -2.73% | 5,414,098 |
| Oct 2017 | $106.89 | $122.17 | $106.27 | $121.67 | +14.19% | 4,209,196 |
| Sep 2017 | $101.42 | $107.00 | $100.26 | $106.55 | +5.16% | 5,727,954 |
| Aug 2017 | $102.87 | $103.98 | $95.50 | $101.32 | -0.98% | 5,393,735 |
| Jul 2017 | $96.90 | $107.87 | $94.24 | $102.32 | +6.14% | 4,926,631 |
| Jun 2017 | $98.70 | $103.92 | $93.69 | $96.40 | -1.83% | 6,466,744 |
| May 2017 | $91.50 | $98.93 | $89.67 | $98.20 | +7.32% | 5,134,647 |
| Apr 2017 | $92.23 | $96.84 | $88.19 | $91.50 | -0.65% | 5,988,841 |
| Mar 2017 | $88.75 | $94.49 | $87.00 | $92.10 | +4.69% | 5,661,787 |
| Feb 2017 | $88.24 | $90.44 | $84.45 | $87.97 | +0.84% | 7,881,155 |
| Jan 2017 | $82.89 | $91.76 | $81.84 | $87.24 | +6.48% | 6,631,483 |
| Dec 2016 | $81.70 | $88.09 | $75.08 | $81.93 | -0.13% | 7,358,959 |
| Nov 2016 | $79.27 | $84.83 | $75.04 | $82.04 | +4.10% | 7,135,253 |
| Oct 2016 | $80.23 | $81.37 | $75.84 | $78.81 | -2.10% | 5,429,822 |
| Sep 2016 | $76.65 | $80.94 | $71.60 | $80.50 | +4.93% | 12,732,500 |
| Aug 2016 | $72.67 | $77.68 | $70.00 | $76.72 | +5.50% | 4,641,100 |
| Jul 2016 | $68.18 | $74.84 | $65.11 | $72.72 | +6.44% | 5,733,500 |
| Jun 2016 | $67.56 | $71.05 | $62.38 | $68.32 | -0.01% | 5,974,000 |
| May 2016 | $61.09 | $68.98 | $60.02 | $68.33 | +9.47% | 7,031,600 |
| Apr 2016 | $63.03 | $66.24 | $61.92 | $62.42 | -1.92% | 4,928,500 |
| Mar 2016 | $58.60 | $64.12 | $58.01 | $63.64 | +7.75% | 5,196,000 |
| Feb 2016 | $62.47 | $62.82 | $55.05 | $59.06 | -5.61% | 7,540,400 |
| Jan 2016 | $62.45 | $62.70 | $55.81 | $62.57 | -1.79% | 6,185,100 |
| Dec 2015 | $68.48 | $69.25 | $62.05 | $63.71 | -6.76% | 4,701,300 |
| Nov 2015 | $62.35 | $69.11 | $60.73 | $68.33 | +9.47% | 4,788,600 |
| Oct 2015 | $51.09 | $63.02 | $49.26 | $62.42 | +21.91% | 8,215,800 |
| Sep 2015 | $46.95 | $51.75 | $46.56 | $51.20 | +6.47% | 5,621,100 |
| Aug 2015 | $51.50 | $52.72 | $40.75 | $48.09 | -7.00% | 5,217,900 |
| Jul 2015 | $51.24 | $51.79 | $46.78 | $51.71 | +1.97% | 7,985,100 |
| Jun 2015 | $54.81 | $55.11 | $50.65 | $50.71 | -7.12% | 4,764,500 |
| May 2015 | $52.00 | $55.12 | $50.97 | $54.60 | +5.34% | 5,187,200 |
| Apr 2015 | $52.59 | $55.56 | $49.25 | $51.83 | -1.56% | 8,448,400 |
| Mar 2015 | $52.31 | $56.19 | $50.35 | $52.65 | -0.15% | 7,849,600 |
| Feb 2015 | $47.80 | $53.39 | $45.76 | $52.73 | +11.03% | 7,167,500 |
| Jan 2015 | $49.90 | $50.20 | $45.02 | $47.49 | -4.52% | 4,501,700 |
| Dec 2014 | $47.82 | $50.66 | $46.46 | $49.74 | +3.35% | 5,041,700 |
| Nov 2014 | $44.48 | $48.50 | $43.58 | $48.13 | +8.92% | 5,002,100 |
| Oct 2014 | $44.15 | $46.00 | $33.99 | $44.19 | +0.32% | 12,975,500 |
| Sep 2014 | $47.80 | $48.24 | $44.02 | $44.05 | -7.81% | 6,006,900 |
| Aug 2014 | $41.33 | $47.85 | $40.71 | $47.78 | +15.86% | 6,250,500 |
| Jul 2014 | $42.50 | $44.77 | $40.46 | $41.24 | -2.62% | 6,329,700 |
| Jun 2014 | $39.54 | $42.86 | $38.51 | $42.35 | +7.79% | 6,306,500 |
| May 2014 | $36.98 | $40.00 | $35.82 | $39.29 | +5.90% | 6,483,200 |
| Apr 2014 | $38.97 | $39.80 | $34.97 | $37.10 | -4.31% | 7,754,300 |
| Mar 2014 | $35.53 | $39.16 | $34.98 | $38.77 | +8.18% | 6,615,400 |
| Feb 2014 | $32.66 | $36.89 | $30.79 | $35.84 | +9.64% | 6,264,500 |
| Jan 2014 | $34.49 | $34.75 | $32.60 | $32.69 | -5.68% | 4,938,800 |
| Dec 2013 | $33.48 | $34.76 | $31.50 | $34.66 | +3.77% | 6,470,000 |
| Nov 2013 | $31.84 | $33.79 | $30.84 | $33.40 | +4.90% | 6,225,500 |
| Oct 2013 | $30.30 | $32.90 | $27.25 | $31.84 | +5.15% | 11,454,400 |
| Sep 2013 | $30.90 | $31.44 | $29.15 | $30.28 | -1.11% | 4,912,600 |
| Aug 2013 | $26.31 | $30.71 | $25.79 | $30.62 | +16.96% | 8,097,500 |
| Jul 2013 | $24.20 | $26.80 | $23.72 | $26.18 | +8.59% | 5,744,700 |
| Jun 2013 | $24.63 | $25.50 | $23.47 | $24.11 | -1.87% | 7,431,600 |
| May 2013 | $24.09 | $24.85 | $23.17 | $24.57 | +1.87% | 4,667,700 |
| Apr 2013 | $24.27 | $24.50 | $20.64 | $24.12 | -1.03% | 7,409,200 |
| Mar 2013 | $24.33 | $24.87 | $23.36 | $24.37 | -0.89% | 4,973,600 |
| Feb 2013 | $23.40 | $25.66 | $22.66 | $24.59 | +5.45% | 6,811,200 |
| Jan 2013 | $22.79 | $23.65 | $21.88 | $23.32 | +4.67% | 6,823,800 |
| Dec 2012 | $21.34 | $22.38 | $20.44 | $22.28 | +5.29% | 5,163,100 |
| Nov 2012 | $19.46 | $21.29 | $17.17 | $21.16 | +8.90% | 5,456,200 |
| Oct 2012 | $19.77 | $20.07 | $17.56 | $19.43 | -1.62% | 5,920,000 |
| Sep 2012 | $20.63 | $21.49 | $18.85 | $19.75 | -8.40% | 5,621,400 |
| Aug 2012 | $19.48 | $23.07 | $18.83 | $21.56 | +11.25% | 10,432,000 |
| Jul 2012 | $19.99 | $20.90 | $17.07 | $19.38 | -2.37% | 9,695,400 |
| Jun 2012 | $18.33 | $20.48 | $17.70 | $19.85 | +5.64% | 6,342,300 |
| May 2012 | $21.62 | $22.40 | $17.74 | $18.79 | -9.31% | 8,905,500 |
| Apr 2012 | $19.66 | $21.09 | $18.72 | $20.72 | +5.34% | 6,007,600 |
| Mar 2012 | $18.82 | $19.91 | $17.29 | $19.67 | +5.81% | 6,442,000 |
| Feb 2012 | $16.58 | $19.84 | $16.06 | $18.59 | +13.42% | 6,682,400 |
| Jan 2012 | $15.45 | $17.66 | $14.58 | $16.39 | +8.76% | 4,673,300 |
| Dec 2011 | $12.00 | $15.61 | $11.79 | $15.07 | +25.17% | 6,582,500 |
| Nov 2011 | $11.91 | $13.06 | $10.84 | $12.04 | -3.37% | 3,599,000 |
| Oct 2011 | $10.08 | $13.42 | $9.49 | $12.46 | +22.40% | 5,459,800 |
| Sep 2011 | $12.60 | $12.86 | $10.16 | $10.18 | -19.40% | 6,067,800 |
| Aug 2011 | $13.55 | $15.16 | $11.01 | $12.63 | -6.38% | 9,956,000 |
| Jul 2011 | $15.43 | $15.64 | $13.38 | $13.49 | -12.52% | 6,443,300 |
| Jun 2011 | $17.17 | $17.17 | $14.10 | $15.42 | -10.87% | 7,302,500 |
| May 2011 | $17.15 | $17.31 | $15.82 | $17.30 | +1.88% | 7,616,800 |
| Apr 2011 | $14.29 | $18.56 | $13.41 | $16.98 | +19.66% | 9,647,300 |
| Mar 2011 | $15.54 | $15.61 | $12.95 | $14.19 | -8.16% | 9,171,000 |
| Feb 2011 | $14.63 | $16.60 | $14.51 | $15.45 | +5.32% | 9,850,300 |
| Jan 2011 | $16.60 | $17.12 | $14.40 | $14.67 | -11.20% | 9,503,700 |
| Dec 2010 | $16.33 | $18.52 | $15.74 | $16.52 | +2.42% | 7,806,800 |
| Nov 2010 | $16.20 | $16.92 | $14.95 | $16.13 | +0.37% | 14,527,700 |
| Oct 2010 | $16.52 | $16.99 | $14.75 | $16.07 | -1.59% | 9,160,700 |
| Sep 2010 | $16.69 | $18.11 | $15.46 | $16.33 | -0.49% | 16,803,200 |
| Aug 2010 | $17.70 | $18.45 | $15.90 | $16.41 | -6.87% | 11,605,200 |
| Jul 2010 | $17.84 | $19.90 | $17.25 | $17.62 | -1.34% | 7,955,300 |
| Jun 2010 | $19.00 | $21.07 | $17.34 | $17.86 | -6.93% | 9,469,200 |
| May 2010 | $24.87 | $25.23 | $18.53 | $19.19 | -22.15% | 10,676,500 |
| Apr 2010 | $22.49 | $25.34 | $22.42 | $24.65 | +10.54% | 5,827,800 |
| Mar 2010 | $20.40 | $23.47 | $20.23 | $22.30 | +9.80% | 8,659,800 |
| Feb 2010 | $20.76 | $21.85 | $18.40 | $20.31 | -1.50% | 10,355,400 |
| Jan 2010 | $24.35 | $24.50 | $20.39 | $20.62 | -13.98% | 7,339,700 |
| Dec 2009 | $21.86 | $24.75 | $21.68 | $23.97 | +11.49% | 5,348,700 |
| Nov 2009 | $19.99 | $22.71 | $18.93 | $21.50 | +7.55% | 6,585,900 |
| Oct 2009 | $23.41 | $23.59 | $19.37 | $19.99 | -14.75% | 13,333,600 |
| Sep 2009 | $22.47 | $25.26 | $21.35 | $23.45 | +4.08% | 7,072,200 |
| Aug 2009 | $22.29 | $23.66 | $21.27 | $22.53 | +1.53% | 7,282,200 |
| Jul 2009 | $22.55 | $24.50 | $20.80 | $22.19 | -0.98% | 10,687,000 |
| Jun 2009 | $20.47 | $23.40 | $19.06 | $22.41 | +8.21% | 10,863,100 |
| May 2009 | $18.52 | $20.88 | $16.10 | $20.71 | +11.95% | 8,988,600 |
| Apr 2009 | $15.23 | $20.23 | $14.92 | $18.50 | +19.35% | 12,360,100 |
| Mar 2009 | $12.70 | $16.90 | $11.26 | $15.50 | +19.69% | 14,823,400 |
| Feb 2009 | $11.97 | $14.43 | $11.40 | $12.95 | +6.58% | 9,493,800 |
| Jan 2009 | $12.63 | $14.10 | $10.67 | $12.15 | -3.65% | 9,443,600 |
| Dec 2008 | $9.16 | $13.27 | $6.96 | $12.61 | +31.77% | 14,769,800 |
| Nov 2008 | $16.99 | $17.05 | $8.13 | $9.57 | -43.67% | 10,596,200 |
| Oct 2008 | $17.23 | $17.37 | $12.19 | $16.99 | -2.19% | 17,462,900 |
| Sep 2008 | $24.74 | $25.22 | $15.98 | $17.37 | -28.58% | 19,760,700 |
| Aug 2008 | $23.38 | $29.07 | $21.95 | $24.32 | +11.82% | 25,039,100 |
| Jul 2008 | $21.48 | $24.79 | $21.12 | $21.75 | +0.60% | 14,183,700 |
| Jun 2008 | $24.51 | $27.50 | $20.85 | $21.62 | -10.77% | 22,966,900 |
| May 2008 | $23.53 | $25.86 | $21.87 | $24.23 | +5.81% | 13,827,200 |
| Apr 2008 | $17.92 | $23.47 | $17.88 | $22.90 | +29.89% | 13,945,600 |
| Mar 2008 | $16.89 | $18.39 | $15.99 | $17.63 | +5.95% | 7,126,100 |
| Feb 2008 | $15.38 | $17.29 | $14.64 | $16.64 | +6.39% | 11,183,000 |
| Jan 2008 | $21.85 | $22.36 | $15.04 | $15.64 | -27.15% | 10,682,500 |
| Dec 2007 | $19.01 | $22.82 | $18.24 | $21.47 | +12.53% | 7,486,600 |
| Nov 2007 | $21.76 | $22.59 | $17.84 | $19.08 | -13.00% | 8,551,100 |
| Oct 2007 | $25.50 | $26.16 | $21.25 | $21.93 | -13.66% | 11,562,100 |
| Sep 2007 | $20.31 | $25.96 | $19.57 | $25.40 | +24.02% | 12,337,600 |
| Aug 2007 | $17.45 | $20.58 | $16.20 | $20.48 | +22.49% | 10,306,900 |
| Jul 2007 | $17.61 | $18.89 | $15.84 | $16.72 | -4.18% | 5,538,900 |
| Jun 2007 | $17.14 | $17.90 | $16.16 | $17.45 | +3.13% | 3,285,800 |
| May 2007 | $13.68 | $18.00 | $13.39 | $16.92 | +24.05% | 7,009,400 |
| Apr 2007 | $12.98 | $14.99 | $12.66 | $13.64 | +5.74% | 3,494,600 |
| Mar 2007 | $12.56 | $13.76 | $12.40 | $12.90 | +1.65% | 2,832,200 |
| Feb 2007 | $12.37 | $13.94 | $12.17 | $12.69 | +3.09% | 4,242,300 |
| Jan 2007 | $11.20 | $12.55 | $10.95 | $12.31 | +10.80% | 2,834,900 |
| Dec 2006 | $10.68 | $11.50 | $10.41 | $11.11 | +4.32% | 2,163,100 |
| Nov 2006 | $10.06 | $11.00 | $9.50 | $10.65 | +6.08% | 3,766,000 |
| Oct 2006 | $9.46 | $13.10 | $9.03 | $10.04 | +6.13% | 5,789,200 |
| Sep 2006 | $9.12 | $10.18 | $8.95 | $9.46 | +4.42% | 2,385,300 |
| Aug 2006 | $9.54 | $9.98 | $8.00 | $9.06 | -4.23% | 3,472,900 |
| Jul 2006 | $11.93 | $11.93 | $9.18 | $9.46 | -20.03% | 4,060,100 |
| Jun 2006 | $14.73 | $15.50 | $10.70 | $11.83 | -19.25% | 4,146,200 |
| May 2006 | $18.25 | $19.35 | $14.55 | $14.65 | -19.81% | 3,587,800 |
| Apr 2006 | $18.60 | $20.00 | $17.10 | $18.27 | -1.98% | 4,789,600 |
| Mar 2006 | $17.00 | $19.01 | $13.31 | $18.64 | +9.33% | 6,854,000 |
| Feb 2006 | $17.10 | $19.86 | $16.88 | $17.05 | -1.22% | 1,844,000 |
| Jan 2006 | $14.75 | $18.00 | $14.54 | $17.26 | +15.14% | 2,477,400 |
| Dec 2005 | $13.50 | $15.14 | $13.27 | $14.99 | +12.62% | 2,023,300 |
| Nov 2005 | $12.53 | $17.48 | $10.96 | $13.31 | +3.74% | 9,849,300 |
| Oct 2005 | $8.48 | $13.11 | $8.47 | $12.83 | +51.12% | 4,749,200 |
| Sep 2005 | $8.11 | $8.80 | $7.71 | $8.49 | +5.47% | 1,386,700 |
| Aug 2005 | $9.21 | $9.37 | $6.81 | $8.05 | -12.02% | 1,229,300 |
| Jul 2005 | $8.95 | $10.68 | $7.63 | $9.15 | +3.04% | 2,260,900 |
| Jun 2005 | $7.42 | $9.83 | $7.24 | $8.88 | +19.68% | 2,455,100 |
| May 2005 | $7.97 | $7.98 | $5.85 | $7.42 | -7.83% | 2,388,200 |
| Apr 2005 | $8.99 | $9.10 | $7.11 | $8.05 | -8.83% | 1,184,500 |
| Mar 2005 | $6.28 | $9.29 | $6.20 | $8.83 | +38.18% | 2,225,100 |
| Feb 2005 | $7.29 | $7.80 | $6.16 | $6.39 | -13.41% | 1,671,000 |
| Jan 2005 | $9.31 | $9.45 | $6.06 | $7.38 | -20.65% | 1,963,000 |
| Dec 2004 | $9.50 | $11.68 | $9.00 | $9.30 | -5.87% | 2,886,500 |
| Nov 2004 | $9.06 | $11.00 | $8.50 | $9.88 | – | 5,850,700 |
Seasonality
MPWR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 4.4% | 4.8% | 0.1% | 5.9% | 3.4% | 4.6% | 7.7% | 3.0% | -1.9% | -0.2% | 2.8% | 0.9% |
| Months up | 6 of 10 | 7 of 10 | 5 of 10 | 6 of 10 | 7 of 10 | 7 of 10 | 8 of 10 | 6 of 10 | 5 of 10 | 4 of 10 | 6 of 9 | 4 of 9 |
| 2026 | 24.0% | 1.7% | -4.1% | 47.7% | -3.0% | -11.6% | 3.2% | -11.1% | 6.4% | -10.1% | ||
| 2025 | 7.7% | -4.1% | -4.8% | 2.3% | 11.6% | 10.7% | -2.8% | 17.5% | 10.4% | 9.2% | -7.6% | -2.2% |
| 2024 | -4.4% | 19.5% | -5.7% | -1.2% | 9.9% | 11.9% | 5.0% | 8.3% | -1.0% | -17.9% | -25.2% | 4.5% |
| 2023 | 20.6% | 13.5% | 3.6% | -7.7% | 6.0% | 10.5% | 3.6% | -6.8% | -11.2% | -4.4% | 24.2% | 15.1% |
| 2022 | -18.3% | 13.8% | 6.0% | -19.2% | 14.8% | -14.6% | 21.0% | -2.5% | -19.7% | -6.6% | 12.5% | -7.2% |
| 2021 | -3.0% | 5.4% | -5.5% | 2.3% | -5.1% | 9.0% | 20.3% | 10.2% | -2.0% | 8.4% | 5.3% | -10.8% |
| 2020 | -3.8% | -7.3% | 5.9% | 19.4% | 4.9% | 13.2% | 11.8% | 0.8% | 4.9% | 14.3% | 0.1% | 14.6% |
| 2019 | 8.9% | 6.0% | 1.3% | 14.9% | -25.2% | 17.0% | 9.1% | 1.6% | 3.6% | -3.7% | 7.2% | 11.0% |
| 2018 | 6.0% | -1.7% | -0.8% | 1.1% | 12.6% | 1.6% | -0.7% | 13.0% | -16.0% | -5.9% | 11.8% | -11.7% |
| 2017 | 6.5% | 0.8% | 4.9% | -0.7% | 7.3% | -1.6% | 6.1% | -1.0% | 5.4% | 14.2% | -2.7% | -4.9% |