Monolithic Power Systems, Inc.

MPWR · Technology

About Monolithic Power Systems, Inc. (MPWR)

Monolithic Power Systems, Inc. is a Semiconductors company operating in the Technology sector.

MPWR trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .

Sector
Technology
Industry
Semiconductors

Key Statistics

Current Price
$1,076.35
Market Cap
$52.87B
52-Week High
$1,256.22
52-Week Low
$438.86
Sector
Technology
Industry
Semiconductors

$1,000 Invested in Monolithic Power Systems, Inc. (MPWR)

1 Year
$1,836
+84%
3 Years
$2,255
+126%
5 Years
$3,169
+217%
10 Years
$19,629
+1863%
Since IPO
$127,768
+12677%

How much would $1,000 invested in MPWR be worth today?

What would $1,000 invested in MPWR 1 year ago be worth today?

A $1,000 investment in Monolithic Power Systems, Inc. (MPWR) in 2025 would be worth $1,836 as of May 2026, representing a +83.6% total return.

What would $1,000 invested in MPWR 3 years ago be worth today?

A $1,000 investment in Monolithic Power Systems, Inc. (MPWR) in 2023 would be worth $2,255 as of May 2026, representing a +125.5% total return.

What would $1,000 invested in MPWR 5 years ago be worth today?

A $1,000 investment in Monolithic Power Systems, Inc. (MPWR) in 2021 would be worth $3,169 as of May 2026, representing a +216.9% total return.

What would $1,000 invested in MPWR 10 years ago be worth today?

A $1,000 investment in Monolithic Power Systems, Inc. (MPWR) in 2016 would be worth $19,629 as of May 2026, representing a +1862.9% total return.

What would $1,000 invested in MPWR at IPO be worth today?

A $1,000 investment in Monolithic Power Systems, Inc. (MPWR) at IPO would be worth $127,768 as of May 2026, representing a +12676.8% total return.

Monthly Returns Heatmap

Avg Monthly Return
+2.59%
Positive Months
154
60% of 256
Negative Months
102
40% of 256
Data Period
21+ years
256 months
Best Performers
Best month ever: Oct 2005 (+51.1%)
Best month on avg: December (+5.2%)
Worst Performers
Worst month ever: Nov 2008 (-43.7%)
Worst month on avg: September (-2.0%)

Over the past 21+ years (256 months), Monolithic Power Systems, Inc. (MPWR) has averaged a monthly return of +2.59% with a median return of +3.57%. The stock had 154 positive months (60%) and 102 negative months (40%). The best month in MPWR's history was October 2005 with a +51.1% return, while the worst was November 2008 at -43.7%. Historically, December tends to be the strongest month (averaging +5.2%), and September the weakest (-2.0%).

MPWR's longest winning streak was 10 consecutive months of gains, while its longest losing streak was 6 consecutive months of losses. The best full year was 2020 with a cumulative return of +78.8%, and the worst was 2010 at -31.7%.

Annual Returns

Over 22 years of trading history, Monolithic Power Systems, Inc. (MPWR) has delivered an average annual return of +32.41% with a median return of +36.86%. The compound annual growth rate (CAGR) is +24.99%. The stock posted gains in 16 years (73%) and losses in 6 years (27%).

MPWR's best year was 2020 with a +107.49% gain, while the worst was 2008 at -41.27%. The longest streak of consecutive positive years was 10, and the longest losing streak was 2 years. MPWR achieved double-digit gains (10%+) in 15 years. It suffered double-digit losses in 4 years.

Avg Return
+32.41%
Best Year
2020 (+107.49%)
Worst Year
2008 (-41.27%)
Positive Years
16/22
Year Return Start End
2026 +18.76% $906.36 $1,076.35
2025 +54.45% $586.83 $906.36
2024 -5.55% $621.32 $586.83
2023 +79.78% $345.61 $621.32
2022 -27.78% $478.54 $345.61
2021 +35.49% $353.20 $478.54
2020 +107.49% $170.22 $353.20
2019 +54.80% $109.96 $170.22
2018 +4.49% $105.24 $109.96
2017 +38.23% $76.14 $105.24
2016 +30.07% $58.54 $76.14
2015 +29.98% $45.03 $58.54
2014 +44.94% $31.07 $45.03
2013 +55.57% $19.97 $31.07
2012 +54.80% $12.90 $19.97
2011 -8.78% $14.14 $12.90
2010 -31.08% $20.52 $14.14
2009 +90.09% $10.80 $20.52
2008 -41.27% $18.38 $10.80
2007 +93.25% $9.51 $18.38
2006 -25.88% $12.83 $9.51
2005 +61.18% $7.96 $12.83

Frequently Asked Questions: MPWR

What sector is MPWR in?

MPWR operates in the Technology sector, specifically in the Semiconductors industry. This sector includes companies involved in software, hardware, semiconductors, and IT services.

How has MPWR performed historically?

Over 22 years of trading history, MPWR has posted gains in 16 years (73% of the time). The best year was 2020 with a +107.5% return. Past performance does not guarantee future results.

How can I invest in MPWR?

You can invest in MPWR through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold MPWR.

Last updated: 3/24/2026