Here's How Much a $1000 Investment in Amkor Technology Made 10 Years Ago Would Be Worth Today

How much a stock's price changes over time is important for most investors, since price performance can both impact your investment portfolio and help you compare investment results across sectors and industries.

Another factor that can influence investors is FOMO, or the fear of missing out, especially with tech giants and popular consumer-facing stocks.

What if you'd invested in Amkor Technology (AMKR) ten years ago? It may not have been easy to hold on to AMKR for all that time, but if you did, how much would your investment be worth today?

Amkor Technology's Business In-Depth

With that in mind, let's take a look at Amkor Technology's main business drivers.

Amkor Technology is a leading outsourced semiconductor assembly and test service provider (OSAT). The company packages and tests integrated circuits for customers across smartphones, data centers, artificial intelligence (AI), automotive, industrial and consumer devices. Its services span package design, wafer bump and probe, wafer back-grind, packaging, burn-in, system-level and final test and drop shipment. Amkor offers advanced packaging technologies, including High-Density Fan-Out (HDFO), 2.5D integration, advanced flip chip, fine pitch bumping, wafer-level processing and system-in-package solutions. 

Tempe, AZ-based Amkor serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers and contract foundries. For 2025, net sales stood at $6.71 billion, up 6.2% from 2024. Packaging represented 89% of sales, and test services accounted for 11%. By end market in 2025, communications (including smartphones and tablets) represented 46% of sales; computing (including data center, infrastructure, PC/laptop and storage) accounted for 20%; automotive, industrial and other (including ADAS, electrification, infotainment and safety) contributed 19%; and consumer (including AR and gaming, connected home, home electronics and wearables) comprised 15%. 

In 2025, sales from the United States accounted for 65.6% of sales. Europe, Middle East and Africa contributed 12.7% while Asia Pacific, excluding Japan, contributed 10.9% of sales. Japan contributed 10.8% of total revenues. The top 10 customers collectively represented 72% of 2025 sales. 

Amkor operates a broad manufacturing footprint across Asia and Europe, including facilities in China, Japan, Korea, Malaysia, the Philippines, Portugal, Taiwan and Vietnam. The Vietnam facility opened in 2024 and continued to scale production in 2025. The company began construction of a new advanced packaging and test facility in Arizona in the second half of 2025, with the first phase planned at approximately 1.8 million square feet and manufacturing expected to begin in the first half of 2028.

Bottom Line

Putting together a successful investment portfolio takes a combination of research, patience, and a little bit of risk. For Amkor Technology, if you bought shares a decade ago, you're likely feeling really good about your investment today.

A $1000 investment made in August 2016 would be worth $5,334.06, or a gain of 433.41%, as of August 26, 2026, according to our calculations. This return excludes dividends but includes price appreciation.

Compare this to the S&P 500's rally of 253.39% and gold's return of 239.60% over the same time frame.

Analysts are forecasting more upside for AMKR too.

Amkor Technology reported second-quarter 2026 earnings of 70 cents per share, beating estimates by 48.94% and up from 22 cents a year ago, while revenues of $1.89 billion rose 25.58% year over year and surpassed consensus by 5.27%. Communications grew 32%, automotive and industrial rose 38%, and computing advanced 26%, both to record levels, aided by data center demand and the HDFO CPU ramp. Advanced products totaled $1.557 billion, up 26.79%. Gross margin expanded 480 basis points to 16.8%, and operating margin improved 440 basis points to 10.5%. However, consumer revenue fell 2%, memory constraints weighed on communications, and capex of $2.5-$3 billion will pressure cash flow. Third-quarter revenues are guided to $1.95-$2.05 billion with a margin of 18.5-19.5% and EPS of 72-82 cents, as TSMC and NVIDIA deals reinforce the outlook.

Over the past four weeks, shares have rallied 6.59%, and there have been 3 higher earnings estimate revisions in the past two months for fiscal 2026 compared to none lower. The consensus estimate has moved up as well.

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This article originally published on Zacks Investment Research (zacks.com).

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