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Monolithic Power Systems market cap MPWR

Share price times shares outstanding: what the whole company sells for, since 2011.

Today, Oct 23, 2026
$56B
Highest close in our data
$80.2B
Apr 2026

Monolithic Power Systems is worth $56B at the close on Oct 23, 2026, at $1,140.12 a share.

That is up 9% over the last year and up 132% over five years.

Its highest close in our data was $80.2B in Apr 2026.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$56B$44.9B$80.2B+24%
2025$45.3B$22.9B$51.5B+52%
2024$29.9B$27.5B$45.8B−1%
2023$30.2B$17.2B$30.3B+82%
2022$16.6B$14.5B$24.8B−27%
2021$22.7B$14.5B$26.3B+38%
2020$16.5B$6B$16.5B+113%
2019$7.7B$4.8B$7.9B+59%
2018$4.9B$4.6B$6.3B+5%
2017$4.7B$3.4B$5.2B+40%
2016$3.3B$2.2B$3.4B+32%
2015$2.5B$1.8B$2.7B+29%
2014$2B$1.2B$2B+51%
2013$1.3B$766.2M$1.3B+69%
2012$765.6M$512.1M$777.5M+51%
2011$507.8M$340.7M$523.3Mn/a

Against its peers

Companies in Semiconductors nearest Monolithic Power Systems' size, closest first, today.

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on Monolithic Power Systems

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.