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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 Nov 3, 2026Score 18/30113% above fair value
$1478.69+121.09 (+8.92%)

Close on Nov 11, 2026Market cap $72.67BP/E 90.3Yield 0.42%

Monolithic Power Systems, Inc. grew revenue 28.7% to $3.27B over the twelve months to Jun 30, 2026. Operating income rose 42.3% to $940.17M, moving the operating margin from 26.0% to 28.7%. Free cash flow was $585.54M, down 17.1% from a year earlier. At the latest close the market valued the company at $72.67B, 90.3 times its earnings.

Revenue
$3.27B
+28.7% vs. a year earlier
Operating income
$940.17M
+42.3% vs. a year earlier
Free cash flow
$585.54M
-17.1% vs. a year earlier
EPS, diluted
$16.37
-52.5% vs. a year earlier

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Jun 30, 2026

Valuation

Market cap
$72.67B
P/E ratio
90.3
Price to sales
22.20
Price to book
18.65
Dividend yield
0.42%
Free cash flow yield
0.81%

Fundamentals

Revenue
$3.27B
Net income
$801.95M
EPS, diluted
$16.37
Free cash flow
$585.54M
Book value per share
$79.08
Diluted shares
49M

Trading

Next earnings
Feb 4, 2027 (estimated, during market hours)
Previous close
$1357.60
Open
$1432.00
Day's range
$1390.00 – $1513.49
Volume
1,071,667
Average volume (20 days)
1,136,749
Index membership
S&P 500 (since Mar 2021), Nasdaq-100 (since Dec 2025), Russell 1000, Russell 3000
Beta (5 years)
1.90
52-week range
$833.18 – $1714.09
RSI (14 days)
62.8
Volatility (1 year)
58.4%
Relative volume
1.28×
WACC
14.4%

On 2 of our idea lists: Quality compounders, Mega-cap growers

Index membership is inferred from the holdings of funds that track each index (VOO, IVV, SPYM, QQQ, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.

Market cap history

Month-end market cap since 2010, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.

PeriodMPWRS&P 500DifferenceMPWR per yearS&P 500 per year
1 month+6.7%-2.4%+9.1 pts
3 months+5.6%-1.2%+6.8 pts
Year to date+64.0%+12.3%+51.7 pts
1 year+55.9%+12.4%+43.5 pts
3 years+199.5%+78.8%+120.7 pts+44.1%+21.4%
5 years+176.6%+75.2%+101.4 pts+22.6%+11.9%
10 years+1921.6%+311.1%+1610.5 pts+35.1%+15.2%

Fifteen years at a glance

Fiscal years 2011 to 2025 and trailing twelve months, USD

Revenue

$3.27B+28.7% YoY

Gross profit

$1.81B+28.4% YoY

Operating income

$940.17M+42.3% YoY

Net income

$801.95M-52.0% YoY

EPS, diluted

$16.37-52.5% YoY

Free cash flow

$585.54M-17.1% YoY
Reported periodTrailing twelve months

Press releases

Releases Monolithic Power Systems filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Monolithic Power Systems

Semiconductors & Related Devices

Monolithic Power Systems, Inc. engages in the design and distribution of power management solutions and semiconductor products. The company provides specialized power circuits, modules, and component assemblies utilized across diverse applications. Customers include commercial electronic equipment manufacturers and third-party global distributors that market and sell products to end users.

Company profile, executives and history

Monolithic Power Systems stock: common questions

What is Monolithic Power Systems's stock price?

MPWR closed at $1478.69 on Nov 11, 2026, up 8.92% on the day. Over the past 52 weeks it traded between $833.18 and $1714.09.

What is Monolithic Power Systems's market cap?

Monolithic Power Systems was worth $72.67B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.

What is MPWR's P/E ratio?

MPWR trades at 90.3 times earnings, based on diluted earnings per share of $16.37 over the twelve months to Jun 30, 2026.

How much revenue does Monolithic Power Systems make?

Monolithic Power Systems reported revenue of $3.27B for the twelve months to Jun 30, 2026, up 28.7% from a year earlier.

Does Monolithic Power Systems pay a dividend?

Yes. Monolithic Power Systems paid $6.24 per share over the last twelve months, a yield of 0.42% at the latest price, and has raised its annual dividend 8 years in a row.

When does Monolithic Power Systems report earnings next?

Monolithic Power Systems is expected to report Q4 FY2026 results on Feb 4, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.

How has MPWR stock performed over the past year?

Including dividends, MPWR returned +55.9% over the past year, against +12.4% for the S&P 500.

How many MPWR shares are sold short?

2M shares were sold short at the latest FINRA report, 3.36% of the float, or 1.7 days of average trading volume.

Who are Monolithic Power Systems's competitors?

Companies most similar to Monolithic Power Systems by business, industry and size include DIOD, ON, CRUS, SWKS, NXT.

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