AOSL vs TSM Stock Comparison

Alpha & Omega Semiconductor and Taiwan Semiconductor Manufacturing Prices as of Oct 26, 2026 Peers: Industry group

Head to Head

9 decided of 12

Taiwan Semiconductor Manufacturing leads on 8 of the 12 questions below (Taiwan Semiconductor Manufacturing 8, Alpha & Omega Semiconductor 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAOSLTSMLeader
Larger companyMarket capitalisation $732.00M $2.27T TSM
Cheaper on earningsLower P/E, profitable companies only -17.4x 28.8x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 25.2x –
Faster revenue growthRevenue growth, trailing twelve months -2.5% +34.4% TSM
More profitableNet margin, trailing twelve months -6.2% 55.0% TSM
Better return on capitalReturn on invested capital -5.4% 33.4% TSM
Less leveragedLower net debt / EBITDA -12.6x -1.0x AOSL
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -27.4% +43.9% TSM
Better 5-year returnAnnualised price return, 5 years -7.6%/yr +30.1%/yr TSM
Less volatileAnnualised volatility, 1 year 90.3% 39.2% TSM
Higher overall scoreMean of the five percentile scores vs peers 32/100 74/100 TSM

Percentile Scorecard

AOSLTSM

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

AxisAOSLTSM
Valuation 47 #51 of 95 67 #32 of 95
Growth 2 #91 of 93 87 #13 of 93
Profitability 24 #69 of 91 92 #8 of 91
Financial Health 63 #38 of 101 69 #32 of 101
Shareholder Returns 22 #59 of 75 54 #35 of 75
Overall 32 74
  • AOSL ranked among 104 companies in Semiconductors
  • TSM ranked among 104 companies in Semiconductors

Price Performance

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

Returns

PeriodAOSLTSMSPY
1 month -21.3%-5.8% -0.8%
3 months -28.7%+6.3% +3.5%
6 months -48.1%+4.8% +7.0%
Year to date +10.9%+39.7% +12.2%
1 year -27.4%+43.9% +13.0%
3 years -8.5%+393.5% +86.3%
3 years, per year -2.9%+70.3% +23.1%
5 years -32.5%+273.1% +68.6%
5 years, per year -7.6%+30.1% +11.0%
10 years +1.9%+1,259.8% +258.0%
10 years, per year +0.2%+29.8% +13.6%

Risk

MeasureAOSLTSMSPY
Volatility, 1Y 90.3%39.2% 12.7%
Downside volatility, 1Y 98.1%39.1% 12.7%
Beta vs S&P 500, 1Y 3.442.13 1.00
Return / volatility, 1Y -0.301.12 1.02
Max drawdown, 5Y -75.3%-57.1% -25.4%
From 52-week high -58.8%-12.7% -1.8%
52-week high $53.32$485.91 $779.14
52-week low $17.47$275.06 $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.

MultipleAOSLTSM
P/E now vs peer median -15.7xmedian 42.1x 28.0xmedian 42.1x
P/S now vs peer median 1.0xmedian 7.1x 15.4xmedian 7.1x
EV/EBITDA now vs peer median 34.7xmedian 27.5x 20.6xmedian 27.5x
P/FCF now vs peer median -9.8xmedian 37.2x 26.0xmedian 37.2x
P/B now vs peer median 0.8xmedian 4.2x 10.9xmedian 4.2x
PEG now vs peer median 0.21median 2.23 0.79median 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 monthsAOSLTSM
Revenue $678.93M $142.94B
Gross profit $151.54M $91.71B
Operating income -$43.20M $80.08B
Net income -$42.27M $74.55B
Free cash flow -$68.07M $84.59B
R&D $103.86M $8.68B
EPS (diluted) $-1.40 $15.16
Cash & equivalents $180.77M $98.36B
Total debt $18.90M $22.36B
Shares (diluted) 29.95M 5.19B
Enterprise value -$58.87M $1.89T

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
MetricAOSLTSM
P/E -15.7x 28.0x
P/FCF -9.8x 26.0x
P/Operating cash flow -40.7x 26.0x
P/S 1.0x 15.4x
P/B 0.8x 10.9x
P/Tangible book 0.8x 10.9x
EV/EBITDA 34.7x 20.6x
EV/EBIT -11.3x 26.3x
EV/Revenue 0.7x 14.7x
EV/FCF -7.2x 24.9x
EV/Operating cash flow -29.9x 24.9x
PEG (3Y EPS CAGR) 0.21 0.79

Growth

14 metrics
MetricAOSLTSM
Revenue growth (1Y) -2.5% 34.4%
Revenue CAGR (3Y) -0.6% 25.3%
Gross profit growth (1Y) -5.9% 47.2%
Gross profit CAGR (3Y) -8.8% 29.2%
Operating income growth (1Y) -51.9% 52.1%
Operating income CAGR (3Y) -57.6% 32.0%
Net income growth (1Y) 56.4% 57.8%
Net income CAGR (3Y) -75.6% 33.5%
EPS growth (1Y) -101.0% 80.8%
EPS CAGR (3Y) -74.9% 35.6%
Operating cash flow growth (1Y) -155.0% 27.1%
Operating cash flow CAGR (3Y) -40.9% 21.4%
Free cash flow growth (1Y) -806.2% 27.1%
Free cash flow CAGR (3Y) 8.9% 21.4%

Profitability

14 metrics
MetricAOSLTSM
Gross margin 22.3% 64.2%
EBITDA margin 2.1% 71.4%
Operating margin -6.4% 56.0%
Pretax margin -5.2% 60.0%
Net margin -6.2% 55.0%
FCF margin -10.0% 59.2%
Operating cash flow margin -2.4% 59.2%
Return on equity -5.3% 37.3%
Return on assets -4.3% 7.1%
Return on invested capital -5.4% 33.4%
Return on capital employed -5.1% 8.4%
Asset turnover 0.7x 0.1x
Cash conversion (OCF / net income) 0.4x 1.1x
Stock comp / revenue 3.9% 0.0%

Financial Health

11 metrics
MetricAOSLTSM
Debt / assets 0.4% 2.3%
Debt / equity 0.0x 0.0x
Net debt / EBITDA -12.6x -1.0x
Debt / FCF -0.1x 0.1x
Liabilities / assets 17.2% 31.4%
Equity / assets 82.8% 68.6%
Interest coverage -55.7x 191.8x
Current ratio 3.4x 2.5x
Quick ratio 1.8x 2.0x
Cash ratio 1.4x 1.8x
Altman Z-score 4.06 17.43

Shareholder Returns

7 metrics
MetricAOSLTSM
Dividend yield – 0.9%
Net buyback yield -0.6% –
Shareholder yield -0.6% 0.9%
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.

ConsensusAOSLTSM
Forward P/E – 25.2xFY2026
EPS, next fiscal year $-0.59FY2027 $16.82FY2026
EPS growth, next FY – +60.3%FY2026
EPS growth, the year after – +40.1%
Revenue, next fiscal year $660.97MFY2027 $178.59BFY2026
Revenue growth, next FY -2.6%FY2027 +48.0%FY2026
Revenue growth, the year after +9.5% +41.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAOSLTSM
Held by institutions 75.5% 14.8%
Institutions holding 217 3,568
Change in shares held, QoQ +3.2% -0.6%
Institutions buying 125 1,902
Institutions selling 65 1,292
Buyers to sellers 1.92 1.47

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.

AOSLTSM
AOSL 1.00 0.53
TSM 0.53 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AOSL and TSM?

Taiwan Semiconductor Manufacturing (TSM) is the largest by market capitalisation: Alpha & Omega Semiconductor (AOSL) $732.00M, Taiwan Semiconductor Manufacturing (TSM) $2.27T.

Which company is growing faster?

Taiwan Semiconductor Manufacturing (TSM) grew revenue fastest over the trailing twelve months: Alpha & Omega Semiconductor (AOSL) -2.5%, Taiwan Semiconductor Manufacturing (TSM) +34.4%.

Which company is more profitable?

Taiwan Semiconductor Manufacturing (TSM) has the highest net margin (Alpha & Omega Semiconductor (AOSL) -6.2%, Taiwan Semiconductor Manufacturing (TSM) 55.0%). On return on invested capital, Taiwan Semiconductor Manufacturing (TSM) leads (Alpha & Omega Semiconductor (AOSL) -5.4%, Taiwan Semiconductor Manufacturing (TSM) 33.4%).

Which stock has performed better?

Over the past year Taiwan Semiconductor Manufacturing (TSM) returned the most: Alpha & Omega Semiconductor (AOSL) -27.4%, Taiwan Semiconductor Manufacturing (TSM) +43.9%. Over five years, Taiwan Semiconductor Manufacturing (TSM) compounded fastest (Alpha & Omega Semiconductor (AOSL) -7.6%/yr, Taiwan Semiconductor Manufacturing (TSM) +30.1%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Taiwan Semiconductor Manufacturing (TSM) has been the steadiest (Alpha & Omega Semiconductor (AOSL) 90.3%, Taiwan Semiconductor Manufacturing (TSM) 39.2%). Volatility measures how widely the price swings, not the risk of the business.

Do AOSL and TSM move together?

Their daily returns over the past year have a correlation of 0.53, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, AOSL and TSM?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Taiwan Semiconductor Manufacturing (TSM) leads on 8. 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.