Sifting through countless of stocks in the Semiconductors & Semiconductor Equipment industry can be tedious, and sometimes two stocks are just too similar to judge which is the better investment. If you’re on the fence about investing in Amkor Technology, Inc. or GlobalFoundries Inc. because you’re not sure how they measure up, it’s important to compare them on a few factors before making your decision.

Read on to learn how Amkor Technology, Inc. and GlobalFoundries Inc. compare based on key financial metrics to determine which better meets your investment needs.

About Amkor Technology, Inc. and GlobalFoundries Inc.

Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. Amkor Technology, Inc. was founded in 1968 and is headquartered in Tempe, Arizona.

GlobalFoundries Inc., a semiconductor foundry, provides range of mainstream wafer fabrication services and technologies worldwide. It offers semiconductor devices, including microprocessors, mobile application processors, baseband processors, network processors, radio frequency modems, microcontrollers, and power management units. The company was incorporated in 2008 and is headquartered in Malta, New York.

Latest Semiconductors & Semiconductor Equipment and Amkor Technology, Inc., GlobalFoundries Inc. Stock News

As of December 2, 2025, Amkor Technology, Inc. had a $10.0 billion market capitalization, compared to the Semiconductors & Semiconductor Equipment median of $2.6 million. Amkor Technology, Inc.’s stock is up 71% in 2025, up 30% in the previous five trading days and up 43.61% in the past year.

Currently, Amkor Technology, Inc.’s price-earnings ratio is 30.4. Amkor Technology, Inc.’s trailing 12-month revenue is $6.4 billion with a 4.8% net profit margin. Year-over-year quarterly sales growth most recently was 6.7%. Analysts expect adjusted earnings to reach $1.254 per share for the current fiscal year. Amkor Technology, Inc. currently has a 0.9% dividend yield.

As of December 2, 2025, GlobalFoundries Inc. had a $20.6 billion market cap, putting it in the 87th percentile of all stocks. GlobalFoundries Inc.’s stock is down 11.2% in 2025, up 10.1% in the previous five trading days and down 18.66% in the past year.

Currently, GlobalFoundries Inc. does not have a price-earnings ratio. GlobalFoundries Inc.’s trailing 12-month revenue is $6.8 billion with a -0.6% net profit margin. Year-over-year quarterly sales growth most recently was -2.9%. Analysts expect adjusted earnings to reach $1.640 per share for the current fiscal year. GlobalFoundries Inc. does not currently pay a dividend.

How We Compare Amkor Technology, Inc. and GlobalFoundries Inc. Stock Grades

Stock evaluation requires access to huge amounts of data and the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movements. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors streamline and work through such data.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A‐F grades for each of five key investing factors: value, growth, momentum, earnings estimate revisions and quality. Here, we’ll take a closer look at Amkor Technology, Inc. and GlobalFoundries Inc.’s stock grades to see how they measure up against one another.

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Amkor Technology, Inc. and GlobalFoundries Inc. Stock Value Grades

Company	Ticker	Value
Amkor Technology, Inc.	AMKR	C
GlobalFoundries Inc.	GFS	C

Successful stock investing involves buying low and selling high, so stock valuation is an important consideration for stock selection.

Buying stocks that are going to go up typically means buying stocks that are undervalued in the first place, although momentum investors may argue that point.

AAII’s A+ Investor Value Grade derives from a stock’s value score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are a good value and so on.

Amkor Technology, Inc. has a Value Score of 41, which is Average. GlobalFoundries Inc. has a Value Score of 51, which is Average.

The Value Stock Winner: No Clear Winner

Neither Amkor Technology, Inc. or GlobalFoundries Inc. has a high enough value grade to be considered a “winner.” Investors who are considering these companies should do additional due diligence and research to see if either could be a good addition to their portfolio. It’s important to look at a wide range of financial metrics in order to determine if Amkor Technology, Inc. or GlobalFoundries Inc. is the better investment when it comes to value.

Amkor Technology, Inc. and GlobalFoundries Inc. Growth Grades

Company	Ticker	Growth
Amkor Technology, Inc.	AMKR	B
GlobalFoundries Inc.	GFS	C

The foundation of growth investing is seeking out stocks of companies exhibiting strong, consistent and prolonged growth that is expected to continue into the future.

In order to compute the growth score and assign it a letter grade, the percentile ranks for each of three components‐consistency of annual sales growth, five-year sales growth rankings adjusted for extreme levels, and consistency of positive annual cash from operations‐must be determined. These three rank figures are added together, and the sum is ranked against the entire stock universe to arrive at a company’s Growth Score to create an equal distribution of grades.

The companies in the bottom 20% of the stock universe receive Growth Grades of F, considered to be very weak, while those in the top 20% receive A grades, which are considered very strong.

Amkor Technology, Inc. has a Growth Score of 72, which is Strong. GlobalFoundries Inc. has a Growth Score of 47, which is Average.

The Growth Grade Winner: Amkor Technology, Inc.

As you can clearly see from the Growth Grade breakdown above, Amkor Technology, Inc. has a more attractive growth grade than GlobalFoundries Inc.. For investors who focus solely on how a company is growing relative to other companies in the same industry, Amkor Technology, Inc. could be a good stock to add to their portfolio. However, it’s important for investors to analyze multiple factors based on a wide range of metrics before deciding whether to buy.

Amkor Technology, Inc. and GlobalFoundries Inc.’s Momentum Grades

Company	Ticker	Momentum
Amkor Technology, Inc.	AMKR	A
GlobalFoundries Inc.	GFS	C

Momentum grades help to uncover stocks experiencing anomalously high rates of return; research finds that stocks with high relative levels of momentum tend to outperform, whereas those with low levels of momentum tend to continue underperforming. Momentum is based on the price change of a stock over a specified period relative to all other stocks.

Typically, AAII looks at the weighted relative strength over the trailing four quarters. The weighted four-quarter relative strength rank is the relative price change for each of the past four quarters. The most recent quarterly price change is given a weight of 40% and each of the three previous quarters are given a weighting of 20%.

Amkor Technology, Inc. has a Momentum Score of 90, which is Very Strong. GlobalFoundries Inc. has a Momentum Score of 41, which is Average.

The Momentum Grade Winner: Amkor Technology, Inc.

As you can clearly see from the Momentum Grade breakdown above, Amkor Technology, Inc. is considered to have stronger momentum compared to GlobalFoundries Inc.. For those specifically looking for companies that have stronger momentum compared to other companies in the same industry, Amkor Technology, Inc. could be a good stock to invest in. However, it’s important for investors to analyze multiple factors based on a wide range of metrics before deciding whether to buy.

Other Amkor Technology, Inc. and GlobalFoundries Inc. Grades

In addition to Momentum, Value and Growth, A+ Investor also provides grades for Estimate Revisions and Quality.

Earnings estimate revisions scores take into account the magnitude of a company’s earnings surprise in its last two reported fiscal quarters. Often, surprises beget further surprises‐or at least continued sales growth (the exact opposite is generally true, too).

AAII’s A+ Investor Quality Grade comes from the ranking of key metrics. Specifically, the quality grade is the percentile rank of the composite of return on assets (ROA), return on invested capital (ROIC), gross profit relative to assets, buyback yield, change in total liabilities to assets, accruals, Z double prime bankruptcy risk (Z) score and F-Score.

These 2 key factors, when combined with the above, provide a holistic view into a particular stock. Further, by joining A+ Investor you can see whether Amkor Technology, Inc. and GlobalFoundries Inc. pass any of our 60+ stock screens that have outperformed the market since their creation.

So, Which Is the Better Investment, Amkor Technology, Inc. or GlobalFoundries Inc. Stock?

Overall, Amkor Technology, Inc. stock has a Value Score of 41, Growth Score of 72 and Momentum Score of 90.

GlobalFoundries Inc. stock has a Value Score of 51, Growth Score of 47 and Momentum Score of 41.

Comparing Amkor Technology, Inc. and GlobalFoundries Inc.’s grades, scores and metrics can act as a solid basis to determine whether they may be a good investment or not. You’ll also want to look at your portfolio’s asset allocation as well as your risk tolerance and financial goals to see if either of these stocks would make a good fit for you. AAII can help you figure out which investments align with your individual needs and preferences.

Investors are encouraged to do their own due diligence and research. In this way, individuals can effectively become managers of their own assets‐without having to rely on others for financial independence. You can count on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis.

A+ Investor adds to our qualitative teaching with a powerful data suite to help you whittle down investment choices to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

AAII Disclaimer

We make no representations or warranties that any investor will, or is likely to, achieve profits similar to those shown, because past, hypothetical or simulated performance is not necessarily indicative of future results. Before making an investment decision, you should consider your circumstances and whether the information on our content is applicable to your situation. This information was prepared in good faith, and we accept no liability for any errors or omissions. The full disclaimer can be read here.