AMKOR TECHNOLOGY, INC. (AMKR): what the price assumes

In the published model solve dated 2026-Q2, anchored at $47.94, AMKOR TECHNOLOGY, INC. (AMKR) is priced for today's economics sustained for ~9.5 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-07-25.

Generated: 2026-09-07 · Exported: 2026-09-09 · Source: https://boothcheck.com/report/AMKR

Headline

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 12.3% cost of capital; growth searched up to the 25% self-funding ceiling.

How unusual the bet is: within-range (limited comparison data)

Valuation X-Ray

The price is justified by relative-multiple and growth-DCF; asset-based/earnings-power land below the price.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

Families that justify the price: Relative, Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 8.3%); the inversion above states its own rate.

Per-Model Detail (n=17)

Solvency

Bullet Takeaways

• Amkor is the factory behind other companies' chips, taking finished silicon and turning it into packaged, tested parts, and the higher-value half of that work now dominates: Advanced Products, meaning flip chip, memory and wafer-level processing, is 83% of revenue against 17% for the older wirebond lines.

• The customer list is the exposed nerve: Direct sales to our two largest customers accounted for 29.8 % and 11.1 % of our net sales for the year ended December 31, 2025, in a business the company itself describes as having no backlog and only short-term customer commitments.

• Second-quarter numbers arrive after the close on July 27, 2026, and the company has guided to revenue of $1.75 billion to $1.85 billion with gross margin of 14.5% to 15.5%.

Bull Case

Two of the four ways to read this company land it almost exactly where it trades. Two land it at less than a third of that. A spread that wide is not usually a sign that something is broken; it is a sign that the methods are looking at different years. The conservative lenses run on a five-year average of operating income and on stated book value, both of which fold in a semiconductor downcycle. The recent quarters do not look like those years at all. In the first quarter of 2026 Amkor reported record net sales of $1.685 billion, up 27% on the year, with gross profit of $239 million and operating income of $100 million. Average that against 2023 and you get one company. Extrapolate it and you get another.

Which one you get depends on advanced packaging, and that is where the bull case actually lives. For thirty years the interesting part of a chip was the transistor. Shrinking them got harder and more expensive, so the industry started buying performance a different way: stack the dies, put them on a silicon interposer, connect them with thousands of microbumps instead of wires. That work is packaging, and it is now a performance variable rather than a cost line. Amkor sells exactly that. Advanced Products, which the company defines as flip chip, memory, wafer-level processing and related test services, is 83% of revenue, with the older wirebond and power lines at 17%.

Automotive is the clearest example of the mix shift, and the 10-K describes the mechanism rather than the hope: in automobiles is driving demand for advanced packaging to enable safety features such as ADAS, in-car computing, radar and digital cockpit features such as infotainment displays and telematics. Increasing battery voltage, higher voltage power converters, onboard chargers, automotive inverter components and microcontrollers also require innovative power packaging. Cars are not a fast-growing unit market. They are a fast-growing silicon-content market, and content per car is what a packager sells into.

The competitive position is stickier than a subcontractor's usually is, because Amkor gets involved before the part exists. The filing describes both co-development and full development of complete test software and hardware solutions to our customers. These services also enable early engagement with our customers in the product design phases for maximum compatibility with manufacturing. Once a package and its test program are designed around one supplier's process, moving the part to a competitor means requalifying it. That is not an impossible switch, but it is an expensive and slow one, and it explains why customer relationships in this industry are measured in product generations rather than purchase orders.

Management is spending against that, and it is spending inside the geography its customers care about most. The company frames its direction as new investments in the U.S, and deepening strategic partnerships with leading semiconductor companies. The commitment shows up on the balance sheet as purchase obligations of $1,152.4 million at the end of 2025, with $1,084.8 million of it payable within twelve months. A US-based packaging footprint matters for reasons that have nothing to do with cost per unit: customers subject to supply-chain scrutiny need somewhere domestic to send wafers, and there is very little of that capacity in existence.

The balance sheet lets Amkor make that bet without asking shareholders to fund it. Counting funded borrowings against cash and short-term investments, the company holds about $298.8 million of net cash, operating income covers the interest bill roughly 5.3 times over, and the share count has grown just 0.4% a year over the four years to March 2026. Capacity expansion in this industry is usually financed by dilution or by leverage that turns a cyclical downturn into a solvency question. Here it has been financed out of the business.

Bear Case

Amkor does not own a chip. It does not own a design, a customer, or a socket. It owns buildings full of expensive machines that other companies rent by the wafer, and when those companies stop sending wafers the machines keep depreciating. The 10-K states the governing conditions of the business more bluntly than any outside analyst would dare: the relatively high-capacity utilization rates necessary to realize satisfactory gross margins given our high percentage of fixed costs; • our absence of backlog and the short-term nature of our customers' commitments; • the historical downward pressure on the prices of our packaging and test services; • fluctuations in our manufacturing yields. No backlog. Short-term commitments. Prices that historically fall. That is the shape of the business the price is being paid for.

Now the arithmetic, which is where it gets uncomfortable. Today's quote works out to roughly 43 times company-wide operating income. On the trailing year Amkor converts 5.9% of revenue into operating profit. Put those together and the market is paying a technology-franchise multiple for a business running at contract-manufacturing margins, and the only way that reconciles is if the growth of the last few quarters runs at the ceiling of what the company can self-fund for something like sixteen years. The near-term pace is not the stretch; Amkor has recently delivered growth at that rate. The duration is. Of the fast-growing companies that have reached this kind of level, only about one in seven sustained it for even a decade.

Thin profitability here is not a sign of bad management. It is how the industry is structured, and the larger competitor still does better. ASE Technology, the other giant in outsourced packaging and test, runs an operating margin of 8.6% against Amkor's 5.9%, and the filing does not pretend this is comfortable: competitors of which are larger than us, have lower cost structures, and may be willing or able to sell their services at lower margins. These competitors have increased and could increase pricing and competitive pressures. Set Amkor beside the electronics manufacturers that share its cost structure rather than its multiple and the picture sharpens further. Flex operates at 4.9%, Plexus at 5.2%, Benchmark Electronics at 3.1%. Amkor sits among them on profitability and nowhere near them on what the market pays for a dollar of that profit.

Capital spending is the mechanism that turns a demand miss into an earnings miss, and management has already committed the money. Purchase obligations reached $1,152.4 million by the end of 2025, of which $1,084.8 million falls due inside twelve months. The 10-K names the consequence directly: our fixed operating costs have increased as a result of capital expenditures for capacity expansion. The anticipated customer demand for which we have made capital investments may not materialize, and our sales may not follow. A fixed-cost business that has just raised its fixed costs is levered in both directions, and the direction gets chosen by customers who have no obligation to keep sending work.

There are not many of those customers. Direct sales to the two largest were 29.8% and 11.1% of 2025 net sales. Roughly three dollars in ten come from a single buyer with the leverage that implies, in a market the filing already describes as one where prices have historically fallen. A packaging supplier negotiating with a customer that size is not negotiating from strength; it is negotiating for the right to keep the volume.

If the duration assumption does not hold, the correction is not gentle. The methods that credit forward growth and current peer multiples sit right on top of today's price, which means they have nothing left to give. The methods that do not credit growth, capitalizing normalized operating profit or reading stated book equity, sit at less than a third of it. Growth stalling would not move the price toward the middle of that range so much as remove the argument holding it up at the top.

Valuation

Every dollar of Amkor's enterprise value is currently supported by a little over two cents of annual operating profit. Stated the usual way, the price works out to roughly 43 times company-wide operating income. That is a demanding number for any business and an unusual one for a capital-intensive subcontractor, so the question worth answering is what it assumes rather than whether it is high.

Run it backwards and the assumption is about persistence, not pace. To carry today's price, operating profit has to keep compounding at the fastest rate the company can fund from its own cash flow, and it has to do that for roughly sixteen years. Amkor has recently grown at that rate, so the rate itself is not the leap; the calendar is. Each additional percentage point of growth shortens the required run by about two and a half years, which gives a sense of how sensitive the whole structure is to a small change in the growth assumption. Looked at from the profitability side instead, the price is consistent with operating margins reaching about 14% roughly a dozen years out. The trailing operating margin is 5.9%.

The methods split cleanly on that same question. Peer multiples and the discounted cash-flow approaches, both of which carry the recent growth forward, land essentially on top of the price. The asset-value and earnings-power approaches land at less than a third of it. The reason is visible in how each is built: the earnings-power reading capitalizes a five-year average of operating profit with no growth credited at all, and the asset reading compares the return on stated book equity, near 9.6%, against a required return around 9.3%. A company earning almost exactly its cost of equity is worth roughly its book value on that lens, and Amkor trades at several times book. Neither reading is wrong. They are answering the question "what is this worth if the last few quarters were the exception" while the other two answer "what is it worth if they were the beginning."

Peer position is where the tension is easiest to see, because Amkor's economics and its multiple come from different neighborhoods. ASE Technology, the other large outsourced packaging and test house, converts 8.6% of revenue to operating profit against 5.9% here, and GlobalFoundries, which runs its own fabs, converts 11.7% on $6.79 billion of trailing revenue. Amkor's profitability sits closer to the electronics manufacturers in the same cohort, Flex at 4.9% and Plexus at 5.2%, than to the chipmakers. What the price is paying for is the mix shift toward advanced packaging closing that gap, not the gap as it stands.

The balance sheet is the part of this that carries no argument. Funded borrowings against cash and short-term investments leave about $298.8 million of net cash, and operating income covers the interest bill roughly 5.3 times over, so the capacity build is not being financed by leverage that would turn a demand air pocket into a solvency problem. Capitalized lease obligations, which the funded-debt figure excludes, swing that position the other way and are worth remembering, but they do not change the character of the balance sheet. The share count has risen 0.4% a year over the four years to March 2026, which for a company in the middle of a capital expansion is close to nothing. The downside here is an earnings problem rather than a survival problem, and the distinction matters, because a fixed-cost factory with cash on hand gets to wait out a bad year. What it does not get to do is grow into a 43 times multiple while waiting.

Catalysts

The near-term calendar is short. Amkor reports second-quarter 2026 results after the close on Monday, July 27, 2026, with a call the same afternoon. Guidance for the quarter calls for revenue of $1.75 billion to $1.85 billion, gross margin of 14.5% to 15.5%, and Q2 2026 EPS of $0.42 to $0.52. The gross margin range is the number to watch rather than the revenue range. In a business whose profitability is governed by how full the factories are, a beat on sales with a miss on margin means the volume arrived at prices the company did not want.

The starting point is a strong one. First-quarter 2026 net sales came in at a record $1.685 billion, up 27% year over year, producing gross profit of $239 million and operating income of $100 million. That is a sharp acceleration against the full year 2025, when net sales rose 6.2% to $6,708.0 million, an increase the company attributed to higher sales across all of its end markets. Gross margin over that same year slipped to 14.0%, eight tenths of a point below 2024, as heavier overhead and employee compensation costs outweighed better factory utilization. The full-year picture and the recent quarterly picture currently disagree, and the second-quarter print is the first real test of which one describes 2026.

Behind the quarter sits the capacity question. The company has $1,152.4 million of purchase obligations outstanding, nearly all of it due within a year, tied to capital spending and long-term supply contracts. Equipment ordered against expected demand arrives whether or not the demand does, and it starts depreciating on delivery. Utilization commentary on the call, and any change in the pace of US capacity investment the company has said it is pursuing, will say more about 2027 than the quarter's own numbers will.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

• ASX (ASE Technology Holding Co., Ltd.)
• FY2025 20-F: …may negatively impact our business. Increasing competition may lead to declines in product prices and profitability and could have a material adverse effect on our business, financial condition, results of operations, and future prospects. Our profitability depends on our ability to respond to rapid technological…
• FY2025 20-F: …the end-use applications of various products, such as communications, computing, and consumer electronics products. Any deterioration of conditions in the markets for the end-use applications would reduce demand for our services and would likely have a material adverse effect on our financial condition and results of…
• TSEM (TOWER SEMICONDUCTOR LTD.)
• FY2025 20-F: …foundry service providers that also provide specialty technologies, such as Taiwan Semiconductor Manufacturing Corporation (TSMC), United Microelectronics Corporation (UMC), and Semiconductor Manufacturing International Corp. (SMIC). Although these three pure-play semiconductor foundries primarily compete against one…
• FY2025 20-F: …new ones. The semiconductor market is characterized by rapid change, including rapid technological developments, evolving industry standards, changes in customer and end-user requirements, frequent new product introductions and enhancements, and short product life cycles with declining prices as products mature. Our…
• GFS (GLOBALFOUNDRIES Inc.)
• FY2025 20-F: …and our ability to scale our operations in a way that adequately responds to our long-term strategy. Our ability to compete successfully also depends on factors partially outside of our control, including component supply, intellectual property, including cell libraries that our customers embed in their product…
• FY2025 20-F: …earnings and margins. If we are unable to compete effectively with other sophisticated players in the highly competitive foundry segment of the semiconductor industry, we may lose customers and our profit margins and earnings may decrease. • Our competitors and Integrated Device Manufacturers ("IDMs") have commenced…
• UCTT (Ultra Clean Holdings, Inc.)
• FY2025 10-K: . Although some of our business, including the cleaning, coating and analytical services that support the semiconductor chip market, are less susceptible to such fluctuations, recurring slowdowns in the industries we serve have historically had adverse effects on our overall operating results. Demand shifts in these…
• FY2025 10-K: …effectiveness, we have expanded our total available market significantly. • Develop or acquire solutions that allow our customers to succeed at the leading edge of the semiconductor processing nodes . Leveraging our technology roadmap assessments and broad customer engagements, we continue to expand the number and…
• PLXS (PLEXUS CORP.)
• FY2025 10-K: In addition, current and prospective customers continually evaluate the merits of designing, manufacturing and servicing products internally and may choose to design, manufacture or service products (including products or product types that we currently design, manufacture or service for them) themselves rather than…
• FY2025 10-K: …Increased competition could result in significant price reductions, reduced sales and margins, or loss of customers or market share. The majority of our net sales come from a relatively small number of customers and a limited number of market sectors; if we lose a major customer or program or if there are challenges…
• FLEX (FLEX LTD.)
• FY2025 10-K: …of our component capabilities, together with start-up and integration costs, has in the past adversely affected, and may in the future adversely affect, our margins and profitability. Our components business, which includes our data center power systems business, is part of our strategy to improve our competitive…
• FY2025 10-K: …2025, mitigates data center heat challenges with patented microconvective cooling technology, capable of cooling over 3,000W, as well as offering complete turn-key microconvective cooling systems that include fully-sealed cold plates, direct liquid-to-chip products, and a coolant distribution unit (CDU). COMPETITION…
• BHE (BENCHMARK ELECTRONICS, INC.)
• FY2025 10-K: …the in-house manufacturing capabilities of current and potential customers. Our competitors include Celestica Inc., Flex Ltd., Jabil Inc., Kimball Electronics Inc., Plexus Corp, and Sanmina Corporation. We believe that the principal competitive factors in our focus end-markets are our engineering capabilities,…
• FY2025 10-K: …the availability of electronic component supply, or the failure of a major customer to pay for components or services have adversely affected us by not allowing us to fulfill our total customer demand. A substantial percentage of our sales are made to a small number of customers, and the loss of a major customer, if…
• TTMI (TTM TECHNOLOGIES INC)
• FY2025 10-K: …sources with the goal of ensuring that we are receiving competitive pricing and service. Supply for PCB materials can vary over time depending on supply/demand dynamics for key raw materials such as copper clad laminates. See Item 1A, Risk Factors for more details. Competition For PCBs, our competitors are mostly…
• FY2025 10-K: …that key customers would not cancel orders, that they would continue to place orders with us in the future at the same levels as experienced by us in prior periods, that they would be able to meet their payment obligations, or that the end-products that use our products would be successful. This concentration of…

Methodology Note

• Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
• Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
• Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
• Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.