Monolithic Power Systems (MPWR) Total Return Calculator
$10,000 since Dec 2007, with and without reinvesting · data through Oct 2026
$10,000 invested in Monolithic Power Systems (MPWR) ten years ago, at the end of Oct 2016, was worth $166,662 at the end of Oct 2026 with every dividend reinvested: 32.5% a year, against $41,633 in the S&P 500. Since Dec 2007, $10,000 became $662,455 reinvested (24.9% a year), or $581,189 taking the dividends as cash, $16,852 of it paid out along the way.
MPWR became
$662,455
S&P 500: $72,756
Return a year
24.9%
S&P 500: 11.1%
Payouts reinvested
$19,154
bought more shares
Worst drop
-60.6%
S&P 500: -48.2%
$10,000, Dec 2007 to Oct 2026
Payouts reinvested · S&P 500 reinvested
| Year | MPWR total return | Paid out | S&P 500 |
|---|---|---|---|
| 2026 (part) | +34.3% | $3,428 | +11.7% |
| 2025 | +54.5% | $3,400 | +17.7% |
| 2024 | −5.6% | $2,709 | +24.9% |
| 2023 | +79.8% | $2,191 | +26.2% |
| 2022 | −27.8% | $1,569 | −18.2% |
| 2021 | +35.5% | $1,285 | +28.7% |
| 2020 | +107.5% | $1,080 | +18.3% |
| 2019 | +54.8% | $839 | +31.2% |
| 2018 | +4.5% | $629 | −4.6% |
| 2017 | +38.2% | $411 | +21.7% |
| 2016 | +30.1% | $425 | +12.0% |
| 2015 | +30.0% | $411 | +1.2% |
| 2014 | +44.9% | $224 | +13.5% |
| 2013 | +55.6% | $9 | +32.3% |
| 2012 | +54.9% | $503 | +16.0% |
| 2011 | −8.8% | $9 | +1.9% |
| 2010 | −31.1% | $7 | +15.1% |
| 2009 | +90.1% | $12 | +26.4% |
| 2008 | −41.3% | $11 | −36.8% |
"Paid out" is what your holding received that year. Month-end prices; no costs or taxes.
Key facts: MPWR total return
Data as of · Source: SmarterDividends data
- $10,000 invested in Monolithic Power Systems (MPWR) at the end of Dec 2007, with dividends reinvested, was worth $662,455 at the end of Oct 2026: 24.9% a year, against $72,756 (11.1% a year) in the S&P 500.
- Over the 10 years to Oct 2026, MPWR turned $10,000 into $166,662 with dividends reinvested, 32.5% a year.
- Over the 5 years to Oct 2026, MPWR returned 19.1% a year with dividends reinvested (S&P 500: 12.0%).
- Taking MPWR's dividends as cash instead of reinvesting them, the same $10,000 ended at $581,189, including $16,852 of cash received; reinvesting added $81,266.
- MPWR's best calendar year in that time was 2020 (107.5%) and its worst 2008 (-41.3%), with dividends reinvested.
Cite this page
SmarterDividends, "Monolithic Power Systems (MPWR) Total Return Calculator," updated Nov 5, 2026, https://smarterdividends.com/stocks/MPWR/total-return
MPWR total return questions
If I invested $10,000 in MPWR 10 years ago, how much would I have?
About $166,662 at the end of Oct 2026, with every dividend reinvested: 32.5% a year. Taking them as cash, you'd have shares worth $153,741 or so plus the cash you received. The same $10,000 in the S&P 500 became $41,633.
What is MPWR's total return since Dec 2007?
6525% in total, or 24.9% a year, through Oct 2026 with dividends reinvested. The share price alone rose 5543%.
How much of MPWR's return came from dividends?
About 4% of its yearly return since Dec 2007. Reinvesting them, rather than taking cash, left you $81,266 better off on a $10,000 start.
What was MPWR's worst year?
2008, at -41.3% with dividends reinvested (S&P 500: -36.8%). Its deepest fall from a peak, on month-end values, was -60.6%.
How is total return calculated here?
From month-end prices: the adjusted price counts every dividend reinvested in the month it was paid; the plain price doesn't. The S&P 500 is SPY with its dividends reinvested. No trading costs or taxes.