AMBA vs ARM vs SIMO Stock Comparison

Ambarella, Arm Holdings and Silicon Motion Technology Prices as of Oct 26, 2026 Peers: Industry group
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AMBA Ambarella Inc
$66.82 -8.1% 1M -22.0% 1Y
Market cap
$2.96B
P/E
–
Revenue (TTM)
$417.80M
Div. yield
–
Semiconductor Design Technology
1 win
ARM Arm Holdings Plc /Uk
$223.35 -28.0% 1M +30.9% 1Y
Market cap
$240.51B
P/E
230.4x
Revenue (TTM)
$5.16B
Div. yield
–
Semiconductor Design Technology
4 wins

Head to Head

8 decided of 12

Arm Holdings leads on 4 of the 12 questions below (Arm Holdings 4, Silicon Motion Technology 3, Ambarella 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMBAARMSIMOLeader
Larger companyMarket capitalisation $2.96B $240.51B $6.86B ARM
Cheaper on earningsLower P/E, profitable companies only -52.5x 230.4x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 86.8x 107.9x 16.5x SIMO
Faster revenue growthRevenue growth, trailing twelve months +20.0% +25.1% — ARM
More profitableNet margin, trailing twelve months -13.5% 20.2% — ARM
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -22.0% +30.9% +90.8% SIMO
Better 5-year returnAnnualised price return, 5 years -18.1%/yr — +21.4%/yr SIMO
Less volatileAnnualised volatility, 1 year 74.6% 79.0% 84.2% AMBA
Higher overall scoreMean of the five percentile scores vs peers 40/100 62/100 35/100 ARM

Percentile Scorecard

AMBAARMSIMO

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

AxisAMBAARMSIMO
Valuation 31 #66 of 95 7 #88 of 95 12 #84 of 95
Growth 55 #42 of 93 88 #12 of 93 26 #69 of 93
Profitability 26 #68 of 91 77 #22 of 91 –
Financial Health 59 #42 of 101 77 #24 of 101 36 #65 of 101
Shareholder Returns 31 #52 of 75 – 66 #26 of 75
Overall 40 62 35
  • AMBA ranked among 104 companies in Semiconductors
  • ARM ranked among 104 companies in Semiconductors
  • SIMO ranked among 104 companies in Semiconductors

Price Performance

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

Returns

PeriodAMBAARMSIMOSPY
1 month -8.1%-28.0%-31.5% -0.8%
3 months -2.1%-16.1%-22.6% +3.5%
6 months +3.0%+3.5%+28.2% +7.0%
Year to date -5.7%+104.3%+104.1% +12.2%
1 year -22.0%+30.9%+90.8% +13.0%
3 years +42.8%+355.0%+259.4% +86.3%
3 years, per year +12.6%+65.8%+53.2% +23.1%
5 years -63.2%—+163.6% +68.6%
5 years, per year -18.1%—+21.4% +11.0%
10 years +6.9%—+305.8% +258.0%
10 years, per year +0.7%—+15.0% +13.6%

Risk

MeasureAMBAARMSIMOSPY
Volatility, 1Y 74.6%79.0%84.2% 12.7%
Downside volatility, 1Y 79.6%71.2%78.0% 12.7%
Beta vs S&P 500, 1Y 2.613.472.40 1.00
Return / volatility, 1Y -0.290.391.08 1.02
Max drawdown, 5Y -81.7%-54.0%-59.1% -25.4%
From 52-week high -30.0%-49.2%-43.8% -1.8%
52-week high $95.51$439.46$336.90 $779.14
52-week low $48.65$104.55$80.16 $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.

MultipleAMBAARMSIMO
P/E now vs peer median -52.2xmedian 42.1x 227.0xmedian 42.1x —median 42.1x
P/S now vs peer median 7.1xmedian 7.1x 46.0xmedian 7.1x —median 7.1x
EV/EBITDA now vs peer median -72.0xmedian 27.5x 201.3xmedian 27.5x —median 27.5x
P/FCF now vs peer median 303.4xmedian 37.2x 117.8xmedian 37.2x -494.0xmedian 37.2x
P/B now vs peer median 4.8xmedian 4.2x 27.5xmedian 4.2x 6.1xmedian 4.2x
PEG now vs peer median -2.66median 2.23 6.40median 2.23 —median 2.23

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 monthsAMBAARMSIMO
Revenue $417.80M $5.16B –
Gross profit $244.50M $5.03B –
Operating income -$62.24M $877.00M –
Net income -$56.32M $1.04B $289.77M
Free cash flow $9.72M $2.01B -$12.85M
R&D $228.69M $2.96B –
EPS (diluted) $-1.28 $0.98 –
Cash & equivalents $101.85M $3.06B $74.37M
Total debt – – $167.29M
Shares (diluted) 44.01M 1.07B 33.68M
Enterprise value $1.80B $226.22B $6.25B

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
MetricAMBAARMSIMO
P/E -52.2x 227.0x –
P/FCF 303.4x 117.8x -494.0x
P/Operating cash flow 107.9x 113.2x -95.2x
P/S 7.1x 46.0x –
P/B 4.8x 27.5x 6.1x
P/Tangible book 5.2x 28.2x 6.6x
EV/EBITDA -72.0x 201.3x –
EV/EBIT -43.0x 265.8x –
EV/Revenue 6.4x 45.2x –
EV/FCF 275.4x 115.8x -492.8x
EV/Operating cash flow 98.0x 111.3x -95.0x
PEG (3Y EPS CAGR) -2.66 6.40 –

Growth

14 metrics
MetricAMBAARMSIMO
Revenue growth (1Y) 20.0% 25.1% –
Revenue CAGR (3Y) 12.9% 24.7% –
Gross profit growth (1Y) 17.4% 25.6% –
Gross profit CAGR (3Y) 11.3% 25.4% –
Operating income growth (1Y) 36.9% 14.9% –
Operating income CAGR (3Y) 18.4% 21.6% –
Net income growth (1Y) 36.4% 49.4% 270.6%
Net income CAGR (3Y) 16.9% 37.2% 49.0%
EPS growth (1Y) 38.6% 48.7% –
EPS CAGR (3Y) 19.6% 35.5% –
Operating cash flow growth (1Y) -47.8% 105.5% -182.4%
Operating cash flow CAGR (3Y) 1.3% 34.7% -36.3%
Free cash flow growth (1Y) -73.7% 121.8% -109.8%
Free cash flow CAGR (3Y) -5.8% 33.3% -27.6%

Profitability

14 metrics
MetricAMBAARMSIMO
Gross margin 58.5% 97.5% –
EBITDA margin -8.9% 22.5% –
Operating margin -14.9% 17.0% –
Pretax margin -12.9% 24.5% –
Net margin -13.5% 20.2% –
FCF margin 2.3% 39.0% –
Operating cash flow margin 6.5% 40.6% –
Return on equity -9.2% 16.3% –
Return on assets -7.2% 12.6% –
Return on invested capital – – –
Return on capital employed -9.6% 9.0% –
Asset turnover 0.5x 0.5x –
Cash conversion (OCF / net income) -0.5x 2.0x -0.2x
Stock comp / revenue 21.9% 22.4% –

Financial Health

11 metrics
MetricAMBAARMSIMO
Debt / assets – – 3.7%
Debt / equity – – 0.1x
Net debt / EBITDA – – –
Debt / FCF – – -4.6x
Liabilities / assets 20.5% 22.9% 34.8%
Equity / assets 79.5% 77.1% 65.2%
Interest coverage – – –
Current ratio 2.8x 5.3x 2.5x
Quick ratio 2.2x 4.9x 0.8x
Cash ratio 2.0x 3.2x 0.2x
Altman Z-score 11.10 57.27 –

Shareholder Returns

7 metrics
MetricAMBAARMSIMO
Dividend yield – – 1.1%
Net buyback yield -0.1% – –
Shareholder yield -0.1% – 1.1%
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.

ConsensusAMBAARMSIMO
Forward P/E 86.8xFY2026 107.9xFY2026 16.5xFY2026
EPS, next fiscal year $0.77FY2026 $2.07FY2026 $11.50FY2026
EPS growth, next FY +24.2%FY2026 +16.9%FY2026 +223.9%FY2026
EPS growth, the year after +40.3% +49.8% +37.5%
Revenue, next fiscal year $454.23MFY2026 $5.71BFY2026 $1.82BFY2026
Revenue growth, next FY +16.3%FY2026 +16.0%FY2026 +105.0%FY2026
Revenue growth, the year after +3.4% +38.7% +27.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMBAARMSIMO
Held by institutions 81.7% 9.3% 72.4%
Institutions holding 337 955 380
Change in shares held, QoQ -1.5% +12.4% -9.8%
Institutions buying 203 593 223
Institutions selling 89 257 131
Buyers to sellers 2.28 2.31 1.70

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.

AMBAARMSIMO
AMBA 1.00 0.41 0.34
ARM 0.41 1.00 0.42
SIMO 0.34 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMBA, ARM and SIMO?

Arm Holdings (ARM) is the largest by market capitalisation: Ambarella (AMBA) $2.96B, Arm Holdings (ARM) $240.51B, Silicon Motion Technology (SIMO) $6.86B.

Which company is growing faster?

Arm Holdings (ARM) grew revenue fastest over the trailing twelve months: Ambarella (AMBA) +20.0%, Arm Holdings (ARM) +25.1%.

Which company is more profitable?

Arm Holdings (ARM) has the highest net margin (Ambarella (AMBA) -13.5%, Arm Holdings (ARM) 20.2%).

Which stock has performed better?

Over the past year Silicon Motion Technology (SIMO) returned the most: Ambarella (AMBA) -22.0%, Arm Holdings (ARM) +30.9%, Silicon Motion Technology (SIMO) +90.8%. Over five years, Silicon Motion Technology (SIMO) compounded fastest (Ambarella (AMBA) -18.1%/yr, Silicon Motion Technology (SIMO) +21.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ambarella (AMBA) has been the steadiest (Ambarella (AMBA) 74.6%, Arm Holdings (ARM) 79.0%, Silicon Motion Technology (SIMO) 84.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMBA, ARM and SIMO?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Arm Holdings (ARM) leads on 4. 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.