MPWR vs ARM Stock Comparison

Monolithic Power Systems and Arm Holdings Prices as of Oct 23, 2026 Peers: Industry group
ARM Arm Holdings Plc /Uk
$210.33 -36.8% 1M +26.2% 1Y
Market cap
$236.92B
P/E
226.9x
Revenue (TTM)
$5.16B
Div. yield
–
Semiconductor Design Technology
3 wins

Head to Head

8 decided of 12

Monolithic Power Systems leads on 5 of the 12 questions below (Monolithic Power Systems 5, Arm Holdings 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMPWRARMLeader
Larger companyMarket capitalisation $57.39B $236.92B ARM
Cheaper on earningsLower P/E, profitable companies only 71.6x 226.9x MPWR
Cheaper on forward earningsLower price / next fiscal year consensus EPS 43.4x 101.1x MPWR
Faster revenue growthRevenue growth, trailing twelve months +28.7% +25.1% MPWR
More profitableNet margin, trailing twelve months 24.5% 20.2% MPWR
Better return on capitalReturn on invested capital — — –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +6.5% +26.2% ARM
Better 5-year returnAnnualised price return, 5 years +17.4%/yr — –
Less volatileAnnualised volatility, 1 year 54.9% 78.8% MPWR
Higher overall scoreMean of the five percentile scores vs peers 60/100 63/100 ARM

Percentile Scorecard

MPWRARM

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisMPWRARM
Valuation 27 #70 of 95 7 #88 of 95
Growth 66 #32 of 93 88 #12 of 93
Profitability 81 #18 of 91 77 #22 of 91
Financial Health 79 #22 of 102 78 #23 of 102
Shareholder Returns 45 #42 of 76 –
Overall 60 63
  • MPWR ranked among 104 companies in Semiconductors
  • ARM ranked among 104 companies in Semiconductors

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodMPWRARMSPY
1 month -15.9%-36.8% -1.0%
3 months -14.5%-19.1% +2.9%
6 months -30.1%-10.4% +6.4%
Year to date +25.8%+92.4% +11.4%
1 year +6.5%+26.2% +13.1%
3 years +172.8%+301.6% +79.4%
3 years, per year +39.8%+59.0% +21.5%
5 years +123.1%— +67.7%
5 years, per year +17.4%— +10.9%
10 years +1,369.4%— +255.2%
10 years, per year +30.8%— +13.5%

Risk

MeasureMPWRARMSPY
Volatility, 1Y 54.9%78.8% 12.7%
Downside volatility, 1Y 59.1%71.2% 12.7%
Beta vs S&P 500, 1Y 2.563.45 1.00
Return / volatility, 1Y 0.120.33 1.03
Max drawdown, 5Y -51.9%-54.0% -25.4%
From 52-week high -32.5%-52.1% -2.5%
52-week high $1,689.89$439.46 $779.14
52-week low $856.96$104.55 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleMPWRARM
P/E now vs peer median 69.9xmedian 41.5x 213.8xmedian 41.5x
P/S now vs peer median 17.1xmedian 6.9x 43.3xmedian 6.9x
EV/EBITDA now vs peer median 54.6xmedian 27.3x 189.4xmedian 27.3x
P/FCF now vs peer median 96.2xmedian 35.6x 110.9xmedian 35.6x
P/B now vs peer median 14.4xmedian 4.2x 25.9xmedian 4.2x
PEG now vs peer median 3.39median 2.31 6.03median 2.31

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsMPWRARM
Revenue $3.27B $5.16B
Gross profit $1.81B $5.03B
Operating income $940.17M $877.00M
Net income $801.95M $1.04B
Free cash flow $582.61M $2.01B
R&D $412.95M $2.96B
EPS (diluted) $16.28 $0.98
Cash & equivalents $1.01B $3.06B
Shares (diluted) 49.26M 1.07B
Enterprise value $52.08B $222.63B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricMPWRARM
P/E 69.9x 213.8x
P/FCF 96.2x 110.9x
P/Operating cash flow 68.1x 106.6x
P/S 17.1x 43.3x
P/B 14.4x 25.9x
P/Tangible book 14.4x 26.5x
EV/EBITDA 54.6x 189.4x
EV/EBIT 58.1x 250.0x
EV/Revenue 16.7x 42.5x
EV/FCF 93.7x 109.0x
EV/Operating cash flow 66.4x 104.7x
PEG (3Y EPS CAGR) 3.39 6.03

Growth

14 metrics
MetricMPWRARM
Revenue growth (1Y) 28.7% 25.1%
Revenue CAGR (3Y) 21.0% 24.7%
Gross profit growth (1Y) 28.4% 25.6%
Gross profit CAGR (3Y) 19.3% 25.4%
Operating income growth (1Y) 42.3% 14.9%
Operating income CAGR (3Y) 21.4% 21.6%
Net income growth (1Y) -52.0% 49.4%
Net income CAGR (3Y) 21.0% 37.2%
EPS growth (1Y) -53.2% 48.7%
EPS CAGR (3Y) 20.6% 35.5%
Operating cash flow growth (1Y) -8.0% 105.5%
Operating cash flow CAGR (3Y) 33.8% 34.7%
Free cash flow growth (1Y) -17.5% 121.8%
Free cash flow CAGR (3Y) 23.9% 33.3%

Profitability

14 metrics
MetricMPWRARM
Gross margin 55.2% 97.5%
EBITDA margin 30.6% 22.5%
Operating margin 28.7% 17.0%
Pretax margin 30.1% 24.5%
Net margin 24.5% 20.2%
FCF margin 17.8% 39.0%
Operating cash flow margin 25.1% 40.6%
Return on equity 21.2% 16.3%
Return on assets 17.6% 12.6%
Return on invested capital – –
Return on capital employed 23.1% 9.0%
Asset turnover 0.7x 0.5x
Cash conversion (OCF / net income) 1.0x 2.0x
Stock comp / revenue 6.4% 22.4%

Financial Health

11 metrics
MetricMPWRARM
Debt / assets – –
Debt / equity – –
Net debt / EBITDA – –
Debt / FCF – –
Liabilities / assets 16.9% 22.9%
Equity / assets 83.1% 77.1%
Interest coverage – –
Current ratio 5.0x 5.3x
Quick ratio 3.5x 4.9x
Cash ratio 2.8x 3.2x
Altman Z-score 45.23 54.04

Shareholder Returns

7 metrics
MetricMPWRARM
Dividend yield 0.7% –
Net buyback yield 0.0% –
Shareholder yield 0.7% –
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusMPWRARM
Forward P/E 43.4xFY2026 101.1xFY2026
EPS, next fiscal year $26.25FY2026 $2.08FY2026
EPS growth, next FY +47.7%FY2026 +17.5%FY2026
EPS growth, the year after +41.0% +51.0%
Revenue, next fiscal year $4.26BFY2026 $5.70BFY2026
Revenue growth, next FY +52.7%FY2026 +15.8%FY2026
Revenue growth, the year after +34.1% +38.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMPWRARM
Held by institutions 96.9% 9.3%
Institutions holding 1,245 955
Change in shares held, QoQ +3.2% +12.4%
Institutions buying 640 593
Institutions selling 459 257
Buyers to sellers 1.39 2.31

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

MPWRARM
MPWR 1.00 0.54
ARM 0.54 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MPWR and ARM?

Arm Holdings (ARM) is the largest by market capitalisation: Monolithic Power Systems (MPWR) $57.39B, Arm Holdings (ARM) $236.92B.

Which stock is cheaper, MPWR and ARM?

Monolithic Power Systems (MPWR) trades on the lowest price-to-earnings ratio (Monolithic Power Systems (MPWR) 71.6x, Arm Holdings (ARM) 226.9x). On next year's consensus earnings, Monolithic Power Systems (MPWR) is cheapest (Monolithic Power Systems (MPWR) 43.4x, Arm Holdings (ARM) 101.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Monolithic Power Systems (MPWR) grew revenue fastest over the trailing twelve months: Monolithic Power Systems (MPWR) +28.7%, Arm Holdings (ARM) +25.1%.

Which company is more profitable?

Monolithic Power Systems (MPWR) has the highest net margin (Monolithic Power Systems (MPWR) 24.5%, Arm Holdings (ARM) 20.2%).

Which stock has performed better?

Over the past year Arm Holdings (ARM) returned the most: Monolithic Power Systems (MPWR) +6.5%, Arm Holdings (ARM) +26.2%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Monolithic Power Systems (MPWR) has been the steadiest (Monolithic Power Systems (MPWR) 54.9%, Arm Holdings (ARM) 78.8%). Volatility measures how widely the price swings, not the risk of the business.

Do MPWR and ARM move together?

Their daily returns over the past year have a correlation of 0.54, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, MPWR and ARM?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Monolithic Power Systems (MPWR) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.