No.3
Disclosure
2026/11/04 06:01
四半期報告書（10-Q）
MPWR Monolithic Power SystemsS&P 500 member / Information Technology
3 posts
Monolithic Power Systems (MPWR) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Monolithic Power Systems (MPWR) Stock Price History
Monolithic Power Systems closed at $1,190.44 on Nov 6, 2026, −19.2% over 1 month, +24.2% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$1,473.69Oct 6
1-Month Low$1,131.43Nov 5
1-Week Change−1.7%vs Oct 30
1-Month Change−19.2%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $808 today (−19.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −19.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1,190.44 | +59.01 | +5.22% |
| Nov 5 (Thu) | $1,131.43 | −129.65 | −10.28% |
| Nov 4 (Wed) | $1,261.08 | −67.22 | −5.06% |
| Nov 3 (Tue) | $1,328.30 | +84.35 | +6.78% |
| Nov 2 (Mon) | $1,243.95 | +32.32 | +2.67% |
| Oct 30 (Fri) | $1,211.63 | +12.82 | +1.07% |
| Oct 29 (Thu) | $1,198.81 | −12.41 | −1.02% |
| Oct 28 (Wed) | $1,211.22 | −0.67 | −0.06% |
| Oct 27 (Tue) | $1,211.89 | +44.62 | +3.82% |
| Oct 26 (Mon) | $1,167.27 | +27.15 | +2.38% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$1,479.89Oct 5
3-Month Low$1,131.43Nov 5
1-Month Change−19.2%vs Oct 6
3-Month Change−12.4%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $876 today (−12.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −12.4%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1,190.44 | +59.01 | +5.22% |
| Nov 5 (Thu) | $1,131.43 | −129.65 | −10.28% |
| Nov 4 (Wed) | $1,261.08 | −67.22 | −5.06% |
| Nov 3 (Tue) | $1,328.30 | +84.35 | +6.78% |
| Nov 2 (Mon) | $1,243.95 | +32.32 | +2.67% |
| Oct 30 (Fri) | $1,211.63 | +12.82 | +1.07% |
| Oct 29 (Thu) | $1,198.81 | −12.41 | −1.02% |
| Oct 28 (Wed) | $1,211.22 | −0.67 | −0.06% |
| Oct 27 (Tue) | $1,211.89 | +44.62 | +3.82% |
| Oct 26 (Mon) | $1,167.27 | +27.15 | +2.38% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$1,689.89Jun 3
6-Month Low$1,131.43Nov 5
3-Month Change−12.4%vs Aug 6
6-Month Change−28.0%vs May 6
If you had invested $1,000 6 months ago, it would be worth $720 today (−28.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −28.0%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $1,190.44 | −1.7% |
| Oct 2026 | $1,211.63 | −10.1% |
| Sep 2026 | $1,347.22 | +6.3% |
| Aug 2026 | $1,267.77 | −11.1% |
| Jul 2026 | $1,426.03 | +3.2% |
| Jun 2026 | $1,382.36 | −11.7% |
| May 2026 | $1,566.21 | −3.0% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$1,689.89Jun 3
52-Week Low$856.96Nov 18
Year to Date+31.3%vs Dec 31
From 52-Week High−29.6%Jun 3
If you had invested $1,000 1 year ago, it would be worth $1,242 today (+24.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved +24.2%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $1,190.44 | −1.7% |
| Oct 2026 | $1,211.63 | −10.1% |
| Sep 2026 | $1,347.22 | +6.3% |
| Aug 2026 | $1,267.77 | −11.1% |
| Jul 2026 | $1,426.03 | +3.2% |
| Jun 2026 | $1,382.36 | −11.7% |
| May 2026 | $1,566.21 | −3.0% |
| Apr 2026 | $1,614.41 | +47.7% |
| Mar 2026 | $1,093.35 | −4.3% |
| Feb 2026 | $1,142.74 | +1.7% |
| Jan 2026 | $1,124.15 | +24.0% |
| Dec 2025 | $906.36 | −2.3% |
| Nov 2025 | $928.17 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$1,632.06Apr 24, 2026
3-Year Low$477.39Mar 31, 2025
Annualized Return+33.1%
Max Drawdown−49.1%
If you had invested $1,000 3 years ago, it would be worth $2,359 today (+135.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved +135.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1,190.44 | +31.3% |
| 2025 | $906.36 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$1,632.06Apr 24, 2026
5-Year Low$309.20Oct 10, 2022
Annualized Return+16.2%
Max Drawdown−49.1%
If you had invested $1,000 5 years ago, it would be worth $2,119 today (+111.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved +111.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1,190.44 | +31.3% |
| 2025 | $906.36 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$1,614.41Apr 2026
All-Time Low$6.39Feb 2005
Total Change+12,700.4%vs Dec 2004
Annualized Return+24.8%
If you had invested $1,000 in Dec 2004, it would be worth $128,004 today (+12,700.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +512.9%, while this stock moved +12,700.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1,190.44 | +31.3% |
| 2025 | $906.36 | +53.2% |
| 2024 | $591.70 | −6.2% |
| 2023 | $630.78 | +78.4% |
| 2022 | $353.61 | −28.3% |
| 2021 | $493.33 | +34.7% |
| 2020 | $366.23 | +105.7% |
| 2019 | $178.02 | +53.1% |
| 2018 | $116.25 | +3.5% |
| 2017 | $112.36 | +37.1% |
| 2016 | $81.93 | +28.6% |
| 2015 | $63.71 | +28.1% |
| 2014 | $49.74 | +43.5% |
| 2013 | $34.66 | +55.6% |
| 2012 | $22.28 | +47.8% |
| 2011 | $15.07 | −8.8% |
| 2010 | $16.52 | −31.1% |
| 2009 | $23.97 | +90.1% |
| 2008 | $12.61 | −41.3% |
| 2007 | $21.47 | +93.2% |
| 2006 | $11.11 | −25.9% |
| 2005 | $14.99 | +61.2% |
| 2004 | $9.30 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Dec 2004). Please check the latest prices before trading.
Recent SEC filings (EDGAR)
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No.2
Disclosure
2026/10/30 05:01
臨時報告（重要事象）（8-K）
決算発表（経営成績・財政状態）（Item 2.02）／役員の異動（就任・退任・報酬）（Item 5.02）／財務諸表および添付資料（Item 9.01）
決算発表（経営成績・財政状態）（Item 2.02）／役員の異動（就任・退任・報酬）（Item 5.02）／財務諸表および添付資料（Item 9.01）
Delete
No.1
Disclosure
2026/09/11 05:01
臨時報告（重要事象）（8-K）
その他の重要事象（Item 8.01）／財務諸表および添付資料（Item 9.01）
その他の重要事象（Item 8.01）／財務諸表および添付資料（Item 9.01）
Delete
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