AMKR vs GFS vs UMC Stock Comparison

Amkor Technology, Globalfoundries and United Microelectronics Prices as of Oct 26, 2026 Peers: Industry group
AMKR Amkor Technology, Inc.
$36.81 -31.3% 1M +12.3% 1Y
Market cap
$9.68B
P/E
15.6x
Revenue (TTM)
$7.46B
Div. yield
–
Semiconductor Packaging and Testing Technology
2 wins
GFS GLOBALFOUNDRIES Inc.
$45.00 -8.2% 1M +27.4% 1Y
Market cap
$25.58B
P/E
35.7x
Revenue (TTM)
$6.94B
Div. yield
–
Semiconductor Manufacturing Technology
1 win
UMC United Microelectronics Corp
$19.18 -21.1% 1M +154.4% 1Y
Market cap
$47.16B
P/E
17.9x
Revenue (TTM)
$13.76B
Div. yield
–
Semiconductor Manufacturing Technology
8 wins

Head to Head

11 decided of 12

United Microelectronics leads on 8 of the 12 questions below (United Microelectronics 8, Amkor Technology 2, Globalfoundries 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMKRGFSUMCLeader
Larger companyMarket capitalisation $9.68B $25.58B $47.16B UMC
Cheaper on earningsLower P/E, profitable companies only 15.6x 35.7x 17.9x AMKR
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.0x 24.7x 17.3x AMKR
Faster revenue growthRevenue growth, trailing twelve months +15.7% +1.4% +85.6% UMC
More profitableNet margin, trailing twelve months — 10.3% 19.1% UMC
Better return on capitalReturn on invested capital — 5.1% 10.6% UMC
Less leveragedLower net debt / EBITDA — -0.6x -0.9x UMC
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +12.3% +27.4% +154.4% UMC
Better 5-year returnAnnualised price return, 5 years +10.9%/yr — +12.1%/yr UMC
Less volatileAnnualised volatility, 1 year 80.7% 60.3% 64.5% GFS
Higher overall scoreMean of the five percentile scores vs peers 61/100 60/100 72/100 UMC

Percentile Scorecard

AMKRGFSUMC

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

AxisAMKRGFSUMC
Valuation 84 #16 of 95 93 #8 of 95 82 #18 of 95
Growth 80 #19 of 93 38 #58 of 93 58 #40 of 93
Profitability 82 #17 of 91 54 #42 of 91 72 #26 of 91
Financial Health 10 #91 of 101 46 #55 of 101 56 #45 of 101
Shareholder Returns 49 #39 of 75 70 #23 of 75 91 #8 of 75
Overall 61 60 72
  • AMKR ranked among 104 companies in Semiconductors
  • GFS ranked among 104 companies in Semiconductors
  • UMC ranked among 104 companies in Semiconductors

Price Performance

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

Returns

PeriodAMKRGFSUMCSPY
1 month -31.3%-8.2%-21.1% -0.8%
3 months -39.4%-15.4%+0.5% +3.5%
6 months -51.3%-25.4%+64.1% +7.0%
Year to date -6.8%+28.9%+144.0% +12.2%
1 year +12.3%+27.4%+154.4% +13.0%
3 years +77.2%-13.4%+171.3% +86.3%
3 years, per year +21.0%-4.7%+39.5% +23.1%
5 years +67.9%—+76.6% +68.6%
5 years, per year +10.9%—+12.1% +11.0%
10 years +288.3%—+948.1% +258.0%
10 years, per year +14.5%—+26.5% +13.6%

Risk

MeasureAMKRGFSUMCSPY
Volatility, 1Y 80.7%60.3%64.5% 12.7%
Downside volatility, 1Y 85.7%59.8%56.8% 12.7%
Beta vs S&P 500, 1Y 3.442.171.79 1.00
Return / volatility, 1Y 0.150.452.39 1.02
Max drawdown, 5Y -66.7%-61.5%-57.3% -25.4%
From 52-week high -60.7%-50.0%-31.5% -1.8%
52-week high $93.55$89.96$28.01 $779.14
52-week low $30.19$32.24$7.02 $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.

MultipleAMKRGFSUMC
P/E now vs peer median 14.7xmedian 42.1x 34.9xmedian 42.1x 17.8xmedian 42.1x
P/S now vs peer median 1.2xmedian 7.1x 3.6xmedian 7.1x 3.5xmedian 7.1x
EV/EBITDA now vs peer median —median 27.5x 11.6xmedian 27.5x 12.8xmedian 27.5x
P/FCF now vs peer median -77.9xmedian 37.2x 31.4xmedian 37.2x 24.4xmedian 37.2x
P/B now vs peer median 1.9xmedian 4.2x 2.1xmedian 4.2x 3.5xmedian 4.2x
PEG now vs peer median 1.01median 2.23 -1.58median 2.23 26.03median 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 monthsAMKRGFSUMC
Revenue $7.46B $6.94B $13.76B
Gross profit $1.24B $1.88B $2.47B
Operating income $709.82M $804.00M $1.60B
Net income $622.28M $720.00M $2.62B
Free cash flow – $796.00M $1.98B
R&D $158.11M $563.00M $609.13M
EPS (diluted) $2.48 $1.28 $1.07
Cash & equivalents $1.60B $1.09B $3.91B
Total debt – $1.12B $4.90B
Shares (diluted) 249.98M 558.00M 2.47B
Enterprise value $9.68B $13.89B $32.42B

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
MetricAMKRGFSUMC
P/E 14.7x 34.9x 17.8x
P/FCF -77.9x 31.4x 24.4x
P/Operating cash flow – 13.1x 13.7x
P/S 1.2x 3.6x 3.5x
P/B 1.9x 2.1x 3.5x
P/Tangible book 1.9x 2.1x 3.5x
EV/EBITDA – 11.6x 12.8x
EV/EBIT – 29.6x 28.3x
EV/Revenue 1.2x 3.4x 3.3x
EV/FCF – 29.9x 22.8x
EV/Operating cash flow – 12.4x 12.8x
PEG (3Y EPS CAGR) 1.01 -1.58 26.03

Growth

14 metrics
MetricAMKRGFSUMC
Revenue growth (1Y) 15.7% 1.4% 85.6%
Revenue CAGR (3Y) 3.9% -4.1% 18.5%
Gross profit growth (1Y) 41.9% 15.8% 11.3%
Gross profit CAGR (3Y) 7.4% -6.2% -10.1%
Operating income growth (1Y) 70.3% 575.7% 9.6%
Operating income CAGR (3Y) 9.8% -12.7% -16.5%
Net income growth (1Y) 101.1% 742.9% 104.8%
Net income CAGR (3Y) 15.2% -21.6% -0.2%
EPS growth (1Y) 99.9% 717.0% 116.8%
EPS CAGR (3Y) 14.6% -22.1% 0.7%
Operating cash flow growth (1Y) – 20.2% 17.5%
Operating cash flow CAGR (3Y) – -4.4% -3.7%
Free cash flow growth (1Y) – -18.1% 447.4%
Free cash flow CAGR (3Y) – -16.2% -7.5%

Profitability

14 metrics
MetricAMKRGFSUMC
Gross margin – 27.1% 18.0%
EBITDA margin – 29.5% 25.6%
Operating margin – 11.6% 11.6%
Pretax margin – 12.6% 30.3%
Net margin – 10.3% 19.1%
FCF margin – 11.5% 14.4%
Operating cash flow margin – 27.6% 25.6%
Return on equity 13.1% 6.1% 19.7%
Return on assets 6.3% 4.3% 13.2%
Return on invested capital – 5.1% 10.6%
Return on capital employed – 5.5% 9.7%
Asset turnover 0.8x 0.4x 0.7x
Cash conversion (OCF / net income) – 2.7x 1.3x
Stock comp / revenue – 3.4% 0.1%

Financial Health

11 metrics
MetricAMKRGFSUMC
Debt / assets – 6.6% 3.5%
Debt / equity – 0.1x 0.1x
Net debt / EBITDA – -0.6x -0.9x
Debt / FCF – 1.4x 0.4x
Liabilities / assets 51.8% 30.0% 33.3%
Equity / assets 48.2% 70.0% 66.7%
Interest coverage – – 30.3x
Current ratio 2.2x 2.5x 2.2x
Quick ratio – 1.4x 1.6x
Cash ratio – 1.1x 1.2x
Altman Z-score – 2.75 –

Shareholder Returns

7 metrics
MetricAMKRGFSUMC
Dividend yield 0.9% 0.5% 2.1%
Net buyback yield – 1.6% –
Shareholder yield 0.9% 2.1% 2.1%
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.

ConsensusAMKRGFSUMC
Forward P/E 14.0xFY2026 24.7xFY2026 17.3xFY2026
EPS, next fiscal year $2.62FY2026 $1.82FY2026 $1.11FY2026
EPS growth, next FY +74.7%FY2026 +5.8%FY2026 +109.4%FY2026
EPS growth, the year after +1.1% +33.5% -2.7%
Revenue, next fiscal year $7.81BFY2026 $6.96BFY2026 $8.55BFY2026
Revenue growth, next FY +16.5%FY2026 +2.6%FY2026 +12.5%FY2026
Revenue growth, the year after +13.7% +23.0% +26.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMKRGFSUMC
Held by institutions 46.8% 98.4% 7.1%
Institutions holding 648 438 362
Change in shares held, QoQ -4.2% -3.0% +3.2%
Institutions buying 390 305 220
Institutions selling 191 88 109
Buyers to sellers 2.04 3.47 2.02

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.

AMKRGFSUMC
AMKR 1.00 0.64 0.49
GFS 0.64 1.00 0.57
UMC 0.49 0.57 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMKR, GFS and UMC?

United Microelectronics (UMC) is the largest by market capitalisation: Amkor Technology (AMKR) $9.68B, Globalfoundries (GFS) $25.58B, United Microelectronics (UMC) $47.16B.

Which stock is cheaper, AMKR, GFS and UMC?

Amkor Technology (AMKR) trades on the lowest price-to-earnings ratio (Amkor Technology (AMKR) 15.6x, Globalfoundries (GFS) 35.7x, United Microelectronics (UMC) 17.9x). On next year's consensus earnings, Amkor Technology (AMKR) is cheapest (Amkor Technology (AMKR) 14.0x, Globalfoundries (GFS) 24.7x, United Microelectronics (UMC) 17.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

United Microelectronics (UMC) grew revenue fastest over the trailing twelve months: Amkor Technology (AMKR) +15.7%, Globalfoundries (GFS) +1.4%, United Microelectronics (UMC) +85.6%.

Which company is more profitable?

United Microelectronics (UMC) has the highest net margin (Globalfoundries (GFS) 10.3%, United Microelectronics (UMC) 19.1%). On return on invested capital, United Microelectronics (UMC) leads (Globalfoundries (GFS) 5.1%, United Microelectronics (UMC) 10.6%).

Which stock has performed better?

Over the past year United Microelectronics (UMC) returned the most: Amkor Technology (AMKR) +12.3%, Globalfoundries (GFS) +27.4%, United Microelectronics (UMC) +154.4%. Over five years, United Microelectronics (UMC) compounded fastest (Amkor Technology (AMKR) +10.9%/yr, United Microelectronics (UMC) +12.1%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Globalfoundries (GFS) has been the steadiest (Amkor Technology (AMKR) 80.7%, Globalfoundries (GFS) 60.3%, United Microelectronics (UMC) 64.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMKR, GFS and UMC?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, United Microelectronics (UMC) 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.