Amkor Technology (AMKR)
Market Price (9/19/2026): $50.26 | Market Cap: $12.5 BilSector: Information Technology | Industry: Semiconductors
Amkor Technology (AMKR)
Market Price (9/19/2026): $50.26Market Cap: $12.5 BilSector: Information TechnologyIndustry: Semiconductors
Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.
Attractive yieldTotal YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 5.1% Attractive cash flow generationCFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 16% Megatrend and thematic driversMegatrends include Artificial Intelligence, Electric Vehicles & Autonomous Driving, and 5G & Advanced Connectivity. Themes include AI Chips, Show more. | Not cash flow generativeFCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -2.3% Key risksAMKR key risks include [1] intense competition from customers (IDMs) and partners (foundries) who are also competitors and [2] vulnerabilities tied to its global manufacturing footprint's exposure to tariffs, Show more. |
| Attractive yieldTotal YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 5.1% |
| Attractive cash flow generationCFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 16% |
| Megatrend and thematic driversMegatrends include Artificial Intelligence, Electric Vehicles & Autonomous Driving, and 5G & Advanced Connectivity. Themes include AI Chips, Show more. |
| Not cash flow generativeFCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -2.3% |
| Key risksAMKR key risks include [1] intense competition from customers (IDMs) and partners (foundries) who are also competitors and [2] vulnerabilities tied to its global manufacturing footprint's exposure to tariffs, Show more. |
Qualitative Assessment
AI Analysis | Feedback
Amkor Technology (AMKR) stock has lost about 25% since 5/31/2026 because of the following key factors:
1. Stock Overvaluation and Subsequent Correction.
Amkor Technology's stock reached an all-time high of $96.68 on June 15, 2026. However, by September 14, 2026, the share price had fallen to $47.12, with GuruFocus estimating the stock was 32.5% overvalued compared to its GF Value™ of $35.56. Furthermore, Amkor's price-to-earnings (P/E) ratio of 21.1x was 34% higher than its five-year median P/E of 15.7x, indicating a trading valuation above historical norms. This suggests a market correction from an unsustainably high valuation.
2. Softer Third Quarter Fiscal 2026 Guidance.
Despite reporting strong financial results for fiscal Q2 2026 (ended June 30, 2026), with earnings per share (EPS) of $0.70 exceeding analyst estimates of $0.47 by 48.94% and revenue of $1.90 billion beating estimates of $1.81 billion, the stock declined by 6.54% on July 27, 2026. This negative reaction was primarily driven by the company's fiscal Q3 2026 guidance for net sales of $1.95 billion to $2.05 billion and EPS of $0.72 to $0.82, which "landed below broader market expectations". The communications segment, in particular, is anticipated to experience a decline in fiscal Q3 2026 due to product migration to Vietnam and memory-related weakness, with this disruption expected to continue through late fiscal 2026 into the first half of fiscal 2027.
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Amkor Technology (AMKR) stock has lost about 25% since 5/31/2026 because of the following key factors:
1. Stock Overvaluation and Subsequent Correction.
Amkor Technology's stock reached an all-time high of $96.68 on June 15, 2026. However, by September 14, 2026, the share price had fallen to $47.12, with GuruFocus estimating the stock was 32.5% overvalued compared to its GF Value™ of $35.56. Furthermore, Amkor's price-to-earnings (P/E) ratio of 21.1x was 34% higher than its five-year median P/E of 15.7x, indicating a trading valuation above historical norms. This suggests a market correction from an unsustainably high valuation.
2. Softer Third Quarter Fiscal 2026 Guidance.
Despite reporting strong financial results for fiscal Q2 2026 (ended June 30, 2026), with earnings per share (EPS) of $0.70 exceeding analyst estimates of $0.47 by 48.94% and revenue of $1.90 billion beating estimates of $1.81 billion, the stock declined by 6.54% on July 27, 2026. This negative reaction was primarily driven by the company's fiscal Q3 2026 guidance for net sales of $1.95 billion to $2.05 billion and EPS of $0.72 to $0.82, which "landed below broader market expectations". The communications segment, in particular, is anticipated to experience a decline in fiscal Q3 2026 due to product migration to Vietnam and memory-related weakness, with this disruption expected to continue through late fiscal 2026 into the first half of fiscal 2027.
3. Elevated Capital Expenditures Leading to Negative Free Cash Flow.
Amkor is undergoing significant capital expansion, particularly for its advanced packaging and test campus in Arizona, with a total investment planned to rise to approximately $12 billion. Fitch Ratings revised Amkor's outlook to Stable from Positive on July 21, 2026, citing that this heightened capital spending would result in "double-digit negative FCF margins in 2026-2027". This substantial investment pressures free cash flow over the next 12-24 months, despite long-term strategic benefits.
4. Significant Insider Selling.
Over the past 12 months, insiders at Amkor Technology have sold approximately $992.5 million worth of shares, with no insider buying reported during the same period. This substantial insider selling signals a lack of confidence from those closest to the company, contributing to negative investor sentiment.
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Stock Movement Drivers
Fundamental Drivers
The -27.5% change in AMKR stock from 5/31/2026 to 9/18/2026 was primarily driven by a -43.0% change in the company's P/E Multiple.| (LTM values as of) | 5312026 | 9182026 | Change |
|---|---|---|---|
| Stock Price ($) | 69.36 | 50.30 | -27.5% |
| Change Contribution By: | |||
| Total Revenues ($ Mil) | 7,071 | 7,458 | 5.5% |
| Net Income Margin (%) | 6.2% | 7.4% | 20.8% |
| P/E Multiple | 39.4 | 22.5 | -43.0% |
| Shares Outstanding (Mil) | 248 | 248 | -0.1% |
| Cumulative Contribution | -27.5% |
Market Drivers
5/31/2026 to 9/18/2026| Return | Correlation | |
|---|---|---|
| AMKR | -27.5% | |
| Market (SPY) | 0.9% | 52.9% |
| Sector (XLK) | -0.7% | 77.9% |
Fundamental Drivers
The 5.7% change in AMKR stock from 2/28/2026 to 9/18/2026 was primarily driven by a 33.6% change in the company's Net Income Margin (%).| (LTM values as of) | 2282026 | 9182026 | Change |
|---|---|---|---|
| Stock Price ($) | 47.59 | 50.30 | 5.7% |
| Change Contribution By: | |||
| Total Revenues ($ Mil) | 6,708 | 7,458 | 11.2% |
| Net Income Margin (%) | 5.6% | 7.4% | 33.6% |
| P/E Multiple | 31.5 | 22.5 | -28.7% |
| Shares Outstanding (Mil) | 247 | 248 | -0.3% |
| Cumulative Contribution | 5.7% |
Market Drivers
2/28/2026 to 9/18/2026| Return | Correlation | |
|---|---|---|
| AMKR | 5.7% | |
| Market (SPY) | 11.6% | 55.7% |
| Sector (XLK) | 36.8% | 75.5% |
Fundamental Drivers
The 110.1% change in AMKR stock from 8/31/2025 to 9/18/2026 was primarily driven by a 55.1% change in the company's Net Income Margin (%).| (LTM values as of) | 8312025 | 9182026 | Change |
|---|---|---|---|
| Stock Price ($) | 23.94 | 50.30 | 110.1% |
| Change Contribution By: | |||
| Total Revenues ($ Mil) | 6,324 | 7,458 | 17.9% |
| Net Income Margin (%) | 4.8% | 7.4% | 55.1% |
| P/E Multiple | 19.5 | 22.5 | 15.3% |
| Shares Outstanding (Mil) | 247 | 248 | -0.3% |
| Cumulative Contribution | 110.1% |
Market Drivers
8/31/2025 to 9/18/2026| Return | Correlation | |
|---|---|---|
| AMKR | 110.1% | |
| Market (SPY) | 19.4% | 56.0% |
| Sector (XLK) | 45.1% | 70.3% |
Fundamental Drivers
The 89.1% change in AMKR stock from 8/31/2023 to 9/18/2026 was primarily driven by a 99.3% change in the company's P/E Multiple.| (LTM values as of) | 8312023 | 9182026 | Change |
|---|---|---|---|
| Stock Price ($) | 26.60 | 50.30 | 89.1% |
| Change Contribution By: | |||
| Total Revenues ($ Mil) | 6,919 | 7,458 | 7.8% |
| Net Income Margin (%) | 8.4% | 7.4% | -11.1% |
| P/E Multiple | 11.3 | 22.5 | 99.3% |
| Shares Outstanding (Mil) | 246 | 248 | -0.9% |
| Cumulative Contribution | 89.1% |
Market Drivers
8/31/2023 to 9/18/2026| Return | Correlation | |
|---|---|---|
| AMKR | 89.1% | |
| Market (SPY) | 75.6% | 58.0% |
| Sector (XLK) | 119.9% | 69.5% |
Price Returns Compared
| 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Total [1] | |
|---|---|---|---|---|---|---|---|
| Returns | |||||||
| AMKR Return | 66% | -2% | 40% | -21% | 56% | 22% | 242% |
| Peers Return | 91% | -22% | 60% | -11% | 62% | 54% | 430% |
| S&P 500 Return | 27% | -19% | 24% | 23% | 16% | 12% | 103% |
Monthly Win Rates [3] | |||||||
| AMKR Win Rate | 58% | 42% | 50% | 50% | 67% | 44% | |
| Peers Win Rate | 67% | 38% | 63% | 38% | 53% | 60% | |
| S&P 500 Win Rate | 75% | 42% | 67% | 75% | 67% | 44% | |
Max Drawdowns [4] | |||||||
| AMKR Max Drawdown | -32% | -41% | -34% | -43% | -44% | -54% | |
| Peers Max Drawdown | -24% | -47% | -24% | -38% | -36% | -43% | |
| S&P 500 Max Drawdown | -5% | -25% | -10% | -8% | -19% | -9% | |
[1] Cumulative total returns since the beginning of 2021
[2] Peers: KLIC, LRCX, AMAT, KLAC, ACLS. See AMKR Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 9/18/2026 (YTD)
How Low Can It Go
| Event | AMKR | S&P 500 |
|---|---|---|
| 2025 US Tariff Shock | ||
| % Loss | -34.2% | -18.8% |
| % Gain to Breakeven | 52.0% | 23.1% |
| Time to Breakeven | 116 days | 79 days |
| 2024 Yen Carry Trade Unwind | ||
| % Loss | -35.3% | -7.8% |
| % Gain to Breakeven | 54.6% | 8.5% |
| Time to Breakeven | 485 days | 18 days |
| Summer-Fall 2023 Five Percent Yield Shock | ||
| % Loss | -27.8% | -9.5% |
| % Gain to Breakeven | 38.5% | 10.5% |
| Time to Breakeven | 30 days | 24 days |
| 2023 SVB Regional Banking Crisis | ||
| % Loss | -24.7% | -6.7% |
| % Gain to Breakeven | 32.7% | 7.1% |
| Time to Breakeven | 54 days | 31 days |
| 2022 Inflation Shock & Fed Tightening | ||
| % Loss | -40.9% | -24.5% |
| % Gain to Breakeven | 69.2% | 32.4% |
| Time to Breakeven | 136 days | 427 days |
| 2020 COVID-19 Crash | ||
| % Loss | -53.3% | -33.7% |
| % Gain to Breakeven | 114.2% | 50.9% |
| Time to Breakeven | 79 days | 140 days |
In The Past
Amkor Technology's stock fell -34.2% during the 2025 US Tariff Shock. Such a loss loss requires a 52.0% gain to breakeven.
Preserve Wealth
Limiting losses and compounding gains is essential to preserving wealth.
Asset Allocation
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| Event | AMKR | S&P 500 |
|---|---|---|
| 2025 US Tariff Shock | ||
| % Loss | -34.2% | -18.8% |
| % Gain to Breakeven | 52.0% | 23.1% |
| Time to Breakeven | 116 days | 79 days |
| 2024 Yen Carry Trade Unwind | ||
| % Loss | -35.3% | -7.8% |
| % Gain to Breakeven | 54.6% | 8.5% |
| Time to Breakeven | 485 days | 18 days |
| Summer-Fall 2023 Five Percent Yield Shock | ||
| % Loss | -27.8% | -9.5% |
| % Gain to Breakeven | 38.5% | 10.5% |
| Time to Breakeven | 30 days | 24 days |
| 2023 SVB Regional Banking Crisis | ||
| % Loss | -24.7% | -6.7% |
| % Gain to Breakeven | 32.7% | 7.1% |
| Time to Breakeven | 54 days | 31 days |
| 2022 Inflation Shock & Fed Tightening | ||
| % Loss | -40.9% | -24.5% |
| % Gain to Breakeven | 69.2% | 32.4% |
| Time to Breakeven | 136 days | 427 days |
| 2020 COVID-19 Crash | ||
| % Loss | -53.3% | -33.7% |
| % Gain to Breakeven | 114.2% | 50.9% |
| Time to Breakeven | 79 days | 140 days |
| Q4 2018 Fed Policy Error / Growth Scare | ||
| % Loss | -23.3% | -19.2% |
| % Gain to Breakeven | 30.3% | 23.8% |
| Time to Breakeven | 86 days | 105 days |
| 2014-2016 Oil Price Collapse | ||
| % Loss | -60.2% | -6.8% |
| % Gain to Breakeven | 151.2% | 7.3% |
| Time to Breakeven | 455 days | 15 days |
| 2011 US Debt Ceiling Crisis & European Contagion | ||
| % Loss | -33.9% | -17.9% |
| % Gain to Breakeven | 51.3% | 21.8% |
| Time to Breakeven | 163 days | 123 days |
| 2010 Eurozone Sovereign Debt Crisis / Flash Crash | ||
| % Loss | -39.4% | -15.4% |
| % Gain to Breakeven | 64.9% | 18.2% |
| Time to Breakeven | 1399 days | 125 days |
| 2008-2009 Global Financial Crisis | ||
| % Loss | -83.1% | -53.4% |
| % Gain to Breakeven | 491.0% | 114.4% |
| Time to Breakeven | 1998 days | 1085 days |
| Summer 2007 Credit Crunch | ||
| % Loss | -38.4% | -8.6% |
| % Gain to Breakeven | 62.2% | 9.5% |
| Time to Breakeven | 4899 days | 47 days |
In The Past
Amkor Technology's stock fell -34.2% during the 2025 US Tariff Shock. Such a loss loss requires a 52.0% gain to breakeven.
Preserve Wealth
Limiting losses and compounding gains is essential to preserving wealth.
Asset Allocation
Actively managed asset allocation strategies protect wealth. Learn more.
About Amkor Technology (AMKR)
Amkor Technology is a global leader in providing outsourced semiconductor packaging and test services. After semiconductor chips are designed and manufactured, Amkor plays a critical role by encapsulating these delicate chips into protective packages. This packaging is essential for connecting chips to circuit boards, safeguarding them from damage, and ensuring their reliable performance in various electronic devices. The company offers a comprehensive, turnkey suite of services, which includes preparing the semiconductor wafers, designing the package, assembling the chips into their final forms, and conducting rigorous electrical testing before shipping the finished products to customers.
The company's extensive portfolio encompasses a wide array of advanced packaging technologies designed for diverse applications. Key offerings include flip-chip packages, such as chip-scale packages (CSPs) and ball grid arrays (BGAs), which are widely used in smartphones, tablets, networking equipment, and computing devices. Amkor also specializes in wafer-level packages, including wafer-level CSP and fan-out technologies, crucial for achieving miniaturization and enhanced performance in components like power management units, sensors, and wireless charging solutions. Additionally, they provide traditional lead frame and wirebond packages, micro-electro-mechanical systems (MEMS) packages, and sophisticated system-in-package (SiP) modules that integrate multiple components for complex functions such as radio frequency (RF) modules and fingerprint sensors.
Amkor primarily serves a broad customer base across the semiconductor industry, including integrated device manufacturers (IDMs), fabless semiconductor companies that focus solely on design, original equipment manufacturers (OEMs) that produce end products, and contract foundries. Their packaging and test solutions are integral to numerous end markets, spanning the dynamic mobile consumer electronics sector, automotive, industrial, and high-performance computing. Amkor's services enable a vast array of electronic products, from advanced digital processors and memory to analog and mixed-signal components, facilitating the functionality of countless devices worldwide.
```AI Analysis | Feedback
Amkor is like Foxconn, but for the individual semiconductor chips themselves; while Foxconn assembles entire electronic devices, Amkor specializes in packaging and testing the raw silicon into finished chip components.
Think of Amkor as a Magna International or Aptiv for the semiconductor industry; they are essential, specialized partners providing the final packaging and testing services that transform raw silicon into ready-to-use computer chips for tech companies.
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- Semiconductor Packaging and Test Services: Provides comprehensive turnkey services, including wafer processing, package design, packaging, and final testing.
- Flip Chip Packages: Offers various flip-chip scale, stacked, and ball grid array packages for mobile, computing, networking, and consumer electronic devices.
- Wafer-Level Packages: Includes wafer-level CSP, fan-out, and silicon wafer integrated fan-out (SWIFT) packages for diverse applications like power management and sensors.
- Lead Frame Packages: Traditional packages used in electronic devices for low to medium pin count analog and mixed-signal applications.
- Substrate-Based Wirebond Packages: Connects a semiconductor die to a substrate, widely utilized in various electronic devices.
- MEMS Packages: Specialized packages designed for miniaturized mechanical and electromechanical devices.
- Advanced System-in-Package (SiP) Modules: Integrates multiple components into a single module for complex applications such as RF, basebands, and sensors.
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- Integrated device manufacturers
- Fabless semiconductor companies
- Original equipment manufacturers
- Contract foundries
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Kevin Engel, President & Chief Executive Officer
Kevin Engel was appointed President and Chief Executive Officer in January 2026. Prior to this role, he served as Executive Vice President and Chief Operating Officer. Mr. Engel joined Amkor in 2004 as part of the acquisition of Unitive Electronics and has held various management positions within Amkor US and Taiwan. Before joining Amkor, he worked in engineering at National Semiconductor and held various positions in the semiconductor manufacturing and packaging industry for over 30 years. He holds a Bachelor of Chemical Engineering from Auburn University.
Megan Faust, Executive Vice President, Chief Financial Officer, and Treasurer
Megan Faust has served as the Chief Financial Officer and Corporate Vice President of Amkor Technology, Inc. since September 2016. She joined Amkor in 2005 and has held various finance and accounting positions, including six years as Corporate Controller. Before her tenure at Amkor, Ms. Faust served as an auditor with KPMG, LLP for 10 years, which included a two-year international assignment in Munich, Germany. She holds an MBA from the W.P. Carey School of Business at Arizona State University and a BS in Accountancy from Northern Arizona University, and is a Certified Public Accountant in Arizona.
James J. Kim, Chairman Emeritus
James J. Kim founded Amkor Technology's predecessor, Amkor Electronics, Inc., in 1968. He served as Chairman from 1970 to April 1998, and as Amkor's Chairman and Chief Executive Officer from September 1997 until October 2009. Mr. Kim was appointed Executive Chairman of the Board of Directors in October 2009 and served in that capacity through October 2024. In October 2024, he retired as Executive Chairman and was granted the honorary title of Chairman Emeritus in recognition of his significant contributions to the company.
Mark Rogers, Executive Vice President, General Counsel and Corporate Secretary
Mark N. Rogers was appointed Executive Vice President, General Counsel and Corporate Secretary in June 2019. He brings over 25 years of corporate legal and transaction experience to his role. Prior to joining Amkor, Mr. Rogers spent more than four years at ON Semiconductor, where his roles included Senior Vice President, Assistant General Counsel, and Assistant Corporate Secretary. His professional background also includes over 11 years with Insight Enterprises as Associate General Counsel and private practice with law firms Fennemore Craig and Quarles & Brady. Mr. Rogers earned an A.B. from Brown University and a J.D. from New York University School of Law.
Farshad Haghighi, Executive Vice President, Chief Sales Officer
Farshad Haghighi serves as the Executive Vice President and Chief Sales Officer for Amkor Technology. He previously held the title of Senior Vice President, Sales Operations, Business Development, Field Engineering & Customer Service.
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The key risks to Amkor Technology's business operations are primarily rooted in the cyclical nature of the semiconductor industry, the continuous need for significant capital investment in rapidly evolving technology, and a reliance on a concentrated customer base.
- Semiconductor Industry Cyclicality and Economic Sensitivity: Amkor Technology's performance is highly sensitive to the inherent cyclicality of the semiconductor industry and broader global economic conditions. Downturns in the semiconductor market, often influenced by worldwide gross domestic product and consumer spending, can lead to reduced demand for Amkor's packaging and test services, resulting in underutilization of its manufacturing facilities and pressure on profit margins. This cyclical nature can cause significant fluctuations in the company's financial performance.
- Technological Disruption and High Capital Expenditure: The rapid pace of technological advancements within the semiconductor industry necessitates continuous innovation and substantial capital investments in new equipment and facilities. Amkor faces the risk of disruption if it fails to keep pace with emerging technologies or if new solutions undermine its competitive advantages. Furthermore, large capital expenditure commitments, such as investments in new campuses, rely heavily on future demand materializing as expected. If demand does not meet projections, these investments could materially and adversely affect the business.
- Customer Concentration: Amkor Technology's revenue is somewhat dependent on a limited number of key customers, particularly within sectors such as mobile communications and automotive. A material adverse change in demand from one or more of these major customers, or their decision to internalize semiconductor packaging and test operations, could disproportionately impact Amkor's revenue and financial results.
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The increasing integration of advanced packaging services by major semiconductor foundries and integrated device manufacturers (IDMs) represents an emerging threat. These companies are expanding their offerings to include wafer-level packaging, 3D stacking, and chiplet integration directly alongside their fabrication services, potentially reducing the need for outsourced semiconductor assembly and test (OSAT) providers like Amkor Technology for some high-end, leading-edge products. This trend could lead to competitive pressure and a shift in the supply chain for advanced packaging solutions.
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Amkor Technology (AMKR) operates in several significant addressable markets within the outsourced semiconductor packaging and test (OSAT) industry. The market sizes for its main products and services are provided below, with figures representing global market valuations unless otherwise specified:
- Outsourced Semiconductor Assembly and Test (OSAT) Services: The global outsourced semiconductor assembly and testing market was valued at approximately USD 44.1 billion in 2024 and is projected to grow to about USD 102.5 billion by 2034, at a compound annual growth rate (CAGR) of 8.9% from 2025 to 2034.
- System-in-Package (SiP) Technology: The global system in package (SiP) technology market size was valued at USD 19.22 billion in 2023 and is projected to reach USD 43.85 billion by 2032, with a CAGR of around 9.6% from 2024 to 2032.
- Wafer-Level Packaging (WLP): The global wafer-level packaging market size was estimated at USD 8.12 billion in 2024 and is expected to grow at a CAGR of 10.2% from 2025 to 2030, reaching USD 14.55 billion by 2030.
- Flip Chip Packaging: The global flip chip market size was valued at USD 38.33 billion in 2024 and is projected to surpass USD 72.04 billion by 2034, exhibiting a CAGR of 6.51% from 2025 to 2034.
- Micro-Electro-Mechanical Systems (MEMS) Packaging: The global MEMS packaging market was valued at USD 5,543.4 million in 2024 and is anticipated to reach USD 9,811.4 million by 2032, growing at a CAGR of 7.5% during the forecast period.
- Lead Frame Packaging: The global lead frame packaging market was valued at USD 3.64 billion in 2024. It is expected to grow from USD 3.84 billion in 2025 to USD 6.5 billion by 2035, at a CAGR of approximately 5.4% during the forecast period of 2025-2035.
- Wire Bonding: The global wire bonding market size was valued at USD 4.5 billion in 2024 and is projected to reach USD 8.0 billion by 2035, expanding at a CAGR of 5.3% from 2025 to 2035.
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Amkor Technology (AMKR) is anticipated to drive future revenue growth over the next two to three years through several key initiatives and market trends:
- Advancements in Packaging Technologies for AI and High-Performance Computing (HPC): Amkor expects significant revenue growth from its advanced packaging solutions, such as High-Density Fan-Out (HDFO) and 2.5D/3D packaging. These technologies are crucial for meeting the increasing demand from artificial intelligence (AI) and high-performance computing applications.
- Continued Expansion in the Computing End Market: The computing segment, which encompasses AI and HPC, is projected to be a strong driver of revenue. Amkor anticipates over 20% growth in its computing business for 2026.
- Robust Growth in Automotive and Industrial Applications: The automotive and industrial sectors are identified as key areas for substantial revenue growth. Amkor is recognized as a leading outsourced semiconductor assembly and test (OSAT) provider for the automotive market and is capitalizing on the increasing semiconductor content in electric and autonomous vehicles.
- Strategic Geographic Expansion and Capacity Investments: The company is investing significantly in expanding its global manufacturing footprint to support regional semiconductor supply chains and increase capacity. This includes the construction of a new advanced packaging and test facility in Arizona, expansions in Korea, and growing operations in Vietnam. These facility expansions are aimed at meeting future demand and are backed by substantial capital expenditures.
- Strong Demand from the Communications Segment: While subject to some seasonality, the communications segment, particularly driven by high-end smartphones and 5G technologies, remains a significant contributor to Amkor's revenue. The company is collaborating with customers on next-generation products in this area.
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Capital Allocation Decisions (Last 3-5 Years)
Share Repurchases
- Amkor Technology aims to return 40% to 50% of cumulative free cash flow over time to shareholders through dividends and stock repurchases, depending on strategic investments and other capital allocation priorities.
Share Issuance
- On February 12, 2026, a secondary public offering of 10 million shares of common stock (with an option for an additional 1.5 million shares) was announced by 915 Investments, LP (the Kim Family), a selling stockholder. Amkor Technology did not offer any shares and will not receive any proceeds from this sale.
- Annual shares outstanding saw minor increases: 0.247 billion in 2023 (0.39% increase from 2022), 0.248 billion in 2024 (0.26% increase from 2023), and 0.248 billion in 2025 (0.26% increase from 2024).
Inbound Investments
- Amkor Technology secured CHIPS funding in 2024 to support U.S. manufacturing efforts.
- The company is eligible for an investment tax credit on qualified investments in U.S. semiconductor manufacturing under the CHIPS Act, with the rate increasing to 35% for qualified property placed in service after 2025.
Capital Expenditures
- Capital expenditures were approximately $780 million in 2021, $908 million in 2022, $749 million in 2023, $744 million in 2024, and $904.6 million in 2025.
- Expected capital expenditures for 2026 are projected to be significantly higher, ranging from $2.5 billion to $3.0 billion.
- The primary focus of these expenditures includes investing in advanced packaging technology, expanding its global footprint (including new facilities in Vietnam which ramped in 2024, and an Arizona campus where construction began in the second half of 2025), and enhancing capabilities for high-performance computing (HPC) and artificial intelligence (AI) applications, such as High Density Fan-Out (HDFO) and test.
Peer Outperformance in Semiconductors
| Industry | Names | 1Y med | 3Y med | 5Y med | Top 3 by 5Y |
|---|---|---|---|---|---|
| Electronic Manufacturing Services | 9 | 52.1% | 181.3% | 268.8% | TTMI 801% · FLEX 705% · SANM 419% |
| Technology Distributors | 9 | 28.9% | 72.0% | 93.7% | CLMB 332% · AVT 193% · SNX 146% |
| Semiconductor Materials & Equipment | 26 | 89.8% | 82.2% | 93.2% | AXTI 784% · AEHR 741% · KLAC 402% |
| Communications Equipment | 36 | 16.8% | 84.8% | 75.0% | AAOI 1310% · LITE 990% · FEIM 981% |
| Electronic Components | 26 | 32.0% | 62.1% | 64.5% | CLS 3836% · BELFA 1302% · COHR 425% |
| Technology Hardware, Storage & Peripherals | 20 | 33.3% | 77.5% | 50.2% | DELL 1135% · STX 1090% · SMCI 949% |
| Semiconductors ← | 55 | 20.4% | 28.8% | 38.4% | POET 1815% · MU 1302% · NVDA 919% |
| Internet Services & Infrastructure | 6 | 7.4% | 46.2% | 23.4% | DOCN 58% · VRSN 41% · GDDY 35% |
| Electronic Equipment & Instruments | 26 | -13.1% | 6.0% | -11.4% | PI 216% · ACFN 114% · OSIS 112% |
| IT Consulting & Other Services | 28 | -24.5% | -19.3% | -28.5% | CHRN 537268% · APLD 1258% · TSSI 669% |
| Application Software | 122 | -30.3% | -16.0% | -46.5% | VIDA 176264% · INLX 5435% · PLTR 519% |
| Systems Software | 68 | -17.7% | 7.9% | -55.7% | QNC 457% · ZETA 379% · PANW 358% |
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Peer Comparisons
| Peers to compare with: |
Financials
| Median | |
|---|---|
| Name | |
| Mkt Price | 143.16 |
| Mkt Cap | 121.9 |
| Rev LTM | 10,519 |
| Op Inc LTM | 3,152 |
| FCF LTM | 1,916 |
| FCF 3Y Avg | 1,859 |
| CFO LTM | 2,669 |
| CFO 3Y Avg | 2,491 |
Growth & Margins
| Median | |
|---|---|
| Name | |
| Rev Chg LTM | 14.8% |
| Rev Chg 3Y Avg | 6.4% |
| Rev Chg Q | 25.2% |
| QoQ Delta Rev Chg LTM | 5.9% |
| Op Inc Chg LTM | 25.9% |
| Op Inc Chg 3Y Avg | 10.9% |
| Op Mgn LTM | 22.2% |
| Op Mgn 3Y Avg | 23.6% |
| QoQ Delta Op Mgn LTM | 1.0% |
| CFO/Rev LTM | 20.6% |
| CFO/Rev 3Y Avg | 22.3% |
| FCF/Rev LTM | 12.9% |
| FCF/Rev 3Y Avg | 16.3% |
Segment Financials
Revenue by Segment| $ Mil | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|
| Advanced Products | 5,556 | 5,174 | 5,033 | 5,368 | 4,409 |
| Mainstream Products | 1,152 | 1,143 | 1,470 | 1,724 | 1,729 |
| Total | 6,708 | 6,318 | 6,503 | 7,092 | 6,138 |
| $ Mil | 2002 | 2000 | 1999 | 1998 |
|---|---|---|---|---|
| Wafer Fabrication Services | 14 | 24 | 18 | 8 |
| Packaging and Test Services | -417 | 299 | 158 | 124 |
| Total | -403 | 323 | 176 | 133 |
| $ Mil | 2002 | 2000 | 1999 | 1998 |
|---|---|---|---|---|
| Packaging and Test Services | 1,979 | 2,733 | 1,391 | 656 |
| Wafer Fabrication Services | 164 | 46 | 37 | 66 |
| Total | 2,143 | 2,779 | 1,428 | 722 |
Price Behavior
| Market Price | $50.30 | |
| Market Cap ($ Bil) | 12.5 | |
| First Trading Date | 05/01/1998 | |
| Distance from 52W High | -46.1% | |
| 50 Days | 200 Days | |
| DMA Price | $54.18 | $56.64 |
| DMA Trend | up | down |
| Distance from DMA | -7.2% | -11.2% |
| 3M | 1YR | |
| Volatility | 96.4% | 78.5% |
| Downside Capture | 553.13 | 339.13 |
| Upside Capture | 190.62 | 348.61 |
| Correlation (SPY) | 51.0% | 56.6% |
| 1M | 2M | 3M | 6M | 1Y | 3Y | |
|---|---|---|---|---|---|---|
| Beta | 4.37 | 4.60 | 4.04 | 3.57 | 3.45 | 2.32 |
| Up Beta | 5.48 | 9.20 | 6.04 | 4.48 | 4.15 | 2.26 |
| Down Beta | 1.05 | 1.40 | 2.39 | 2.68 | 2.69 | 1.97 |
| Up Capture | 311% | 98% | 353% | 533% | 1409% | 4694% |
| Bmk +ve Days | 10 | 21 | 32 | 68 | 138 | 427 |
| Stock +ve Days | 11 | 19 | 33 | 68 | 135 | 393 |
| Down Capture | 581% | 502% | 350% | 250% | 183% | 113% |
| Bmk -ve Days | 11 | 21 | 32 | 59 | 113 | 324 |
| Stock -ve Days | 10 | 23 | 31 | 59 | 116 | 355 |
[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
| Annualized Return | Annualized Volatility | Sharpe Ratio | Correlation with AMKR | |
|---|---|---|---|---|
| AMKR | 90.8% | 78.9% | 1.16 | - |
| Sector ETF (XLK) | 40.5% | 26.4% | 1.25 | 70.8% |
| Equity (SPY) | 16.9% | 12.9% | 0.94 | 56.3% |
| Gold (GLD) | 19.1% | 29.3% | 0.60 | 23.9% |
| Commodities (DBC) | 46.9% | 20.6% | 1.76 | 0.0% |
| Real Estate (VNQ) | 4.9% | 13.6% | 0.10 | 1.7% |
| Bitcoin (BTCUSD) | -34.5% | 43.9% | -0.84 | 23.7% |
Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
| Annualized Return | Annualized Volatility | Sharpe Ratio | Correlation with AMKR | |
|---|---|---|---|---|
| AMKR | 14.2% | 56.2% | 0.45 | - |
| Sector ETF (XLK) | 20.2% | 25.9% | 0.69 | 69.1% |
| Equity (SPY) | 12.9% | 17.2% | 0.57 | 59.9% |
| Gold (GLD) | 19.1% | 18.8% | 0.83 | 13.4% |
| Commodities (DBC) | 11.3% | 19.5% | 0.45 | 10.7% |
| Real Estate (VNQ) | 1.1% | 18.8% | -0.05 | 30.6% |
| Bitcoin (BTCUSD) | 11.2% | 52.5% | 0.39 | 24.7% |
Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
| Annualized Return | Annualized Volatility | Sharpe Ratio | Correlation with AMKR | |
|---|---|---|---|---|
| AMKR | 19.3% | 54.7% | 0.54 | - |
| Sector ETF (XLK) | 24.4% | 25.0% | 0.88 | 63.0% |
| Equity (SPY) | 15.1% | 18.0% | 0.72 | 58.2% |
| Gold (GLD) | 12.1% | 16.4% | 0.61 | 9.4% |
| Commodities (DBC) | 8.3% | 18.1% | 0.37 | 17.0% |
| Real Estate (VNQ) | 4.4% | 20.7% | 0.18 | 35.9% |
| Bitcoin (BTCUSD) | 61.7% | 66.1% | 1.02 | 19.2% |
Smart multi-asset allocation framework can stack odds in your favor. Learn How
Returns Analyses
Earnings Returns History
Updated 8/27/2026| Forward Returns | |||
|---|---|---|---|
| Earnings Date | 1D Returns | 5D Returns | 21D Returns |
| 7/27/2026 | -24.7% | -16.3% | -19.8% |
| 4/27/2026 | -5.6% | -6.2% | -4.5% |
| 2/9/2026 | 1.8% | -10.8% | -16.4% |
| 10/27/2025 | -3.1% | 14.0% | 1.9% |
| 7/28/2025 | 18.1% | 5.3% | 14.7% |
| 4/28/2025 | -2.6% | 1.7% | 5.7% |
| 2/10/2025 | -11.4% | -6.0% | -20.3% |
| 10/28/2024 | -5.2% | -11.9% | -11.0% |
| ... | |||
| SUMMARY STATS | |||
| # Positive | 10 | 10 | 14 |
| # Negative | 14 | 14 | 10 |
| Median Positive | 2.2% | 8.4% | 8.1% |
| Median Negative | -5.8% | -7.5% | -11.6% |
| Max Positive | 18.1% | 29.7% | 38.7% |
| Max Negative | -24.7% | -25.3% | -20.3% |
| Forward Returns | |||
|---|---|---|---|
| Earnings Date | 1D Returns | 5D Returns | 21D Returns |
| 7/27/2026 | -24.7% | -16.3% | -19.8% |
| 4/27/2026 | -5.6% | -6.2% | -4.5% |
| 2/9/2026 | 1.8% | -10.8% | -16.4% |
| 10/27/2025 | -3.1% | 14.0% | 1.9% |
| 7/28/2025 | 18.1% | 5.3% | 14.7% |
| 4/28/2025 | -2.6% | 1.7% | 5.7% |
| 2/10/2025 | -11.4% | -6.0% | -20.3% |
| 10/28/2024 | -5.2% | -11.9% | -11.0% |
| 7/29/2024 | -18.9% | -25.3% | -12.1% |
| 4/29/2024 | 2.8% | 2.9% | 3.4% |
| 2/5/2024 | -5.0% | -2.6% | 8.8% |
| 10/30/2023 | 2.1% | 15.2% | 38.7% |
| 7/31/2023 | 1.9% | -1.5% | -4.6% |
| 5/1/2023 | -5.9% | -4.4% | 10.8% |
| 2/13/2023 | 1.2% | -8.9% | -10.3% |
| 10/31/2022 | -1.4% | 4.1% | 34.8% |
| 8/1/2022 | 7.9% | 9.2% | -0.8% |
| 5/2/2022 | -5.9% | -4.8% | 4.0% |
| 2/14/2022 | 14.4% | 7.5% | 6.9% |
| 10/25/2021 | -2.9% | -0.3% | 2.1% |
| 7/26/2021 | 2.4% | 10.2% | 12.3% |
| 4/26/2021 | -11.9% | -16.6% | -14.1% |
| 2/8/2021 | 0.7% | 29.7% | 12.0% |
| 10/26/2020 | -16.0% | -11.8% | 7.4% |
| SUMMARY STATS | |||
| # Positive | 10 | 10 | 14 |
| # Negative | 14 | 14 | 10 |
| Median Positive | 2.2% | 8.4% | 8.1% |
| Median Negative | -5.8% | -7.5% | -11.6% |
| Max Positive | 18.1% | 29.7% | 38.7% |
| Max Negative | -24.7% | -25.3% | -20.3% |
SEC Filings
Expand for More| Report Date | Filing Date | Filing |
|---|---|---|
| 06/30/2026 | 07/28/2026 | 10-Q |
| 03/31/2026 | 04/28/2026 | 10-Q |
| 12/31/2025 | 02/20/2026 | 10-K |
| 09/30/2025 | 10/28/2025 | 10-Q |
| 06/30/2025 | 07/29/2025 | 10-Q |
| 03/31/2025 | 04/29/2025 | 10-Q |
| 12/31/2024 | 02/21/2025 | 10-K |
| 09/30/2024 | 10/29/2024 | 10-Q |
| 06/30/2024 | 07/30/2024 | 10-Q |
| 03/31/2024 | 05/01/2024 | 10-Q |
| 12/31/2023 | 02/16/2024 | 10-K |
| 09/30/2023 | 11/01/2023 | 10-Q |
| 06/30/2023 | 08/01/2023 | 10-Q |
| 03/31/2023 | 05/03/2023 | 10-Q |
| 12/31/2022 | 02/22/2023 | 10-K |
| 09/30/2022 | 11/03/2022 | 10-Q |
| Report Date | Filing Date | Filing |
|---|---|---|
| 06/30/2026 | 07/28/2026 | 10-Q |
| 03/31/2026 | 04/28/2026 | 10-Q |
| 12/31/2025 | 02/20/2026 | 10-K |
| 09/30/2025 | 10/28/2025 | 10-Q |
| 06/30/2025 | 07/29/2025 | 10-Q |
| 03/31/2025 | 04/29/2025 | 10-Q |
| 12/31/2024 | 02/21/2025 | 10-K |
| 09/30/2024 | 10/29/2024 | 10-Q |
| 06/30/2024 | 07/30/2024 | 10-Q |
| 03/31/2024 | 05/01/2024 | 10-Q |
| 12/31/2023 | 02/16/2024 | 10-K |
| 09/30/2023 | 11/01/2023 | 10-Q |
| 06/30/2023 | 08/01/2023 | 10-Q |
| 03/31/2023 | 05/03/2023 | 10-Q |
| 12/31/2022 | 02/22/2023 | 10-K |
| 09/30/2022 | 11/03/2022 | 10-Q |
| 06/30/2022 | 08/04/2022 | 10-Q |
| 03/31/2022 | 05/05/2022 | 10-Q |
| 12/31/2021 | 02/18/2022 | 10-K |
| 09/30/2021 | 10/29/2021 | 10-Q |
| 06/30/2021 | 07/30/2021 | 10-Q |
| 03/31/2021 | 04/30/2021 | 10-Q |
| 12/31/2020 | 02/19/2021 | 10-K |
| 09/30/2020 | 10/30/2020 | 10-Q |
| 06/30/2020 | 07/30/2020 | 10-Q |
| 03/31/2020 | 04/30/2020 | 10-Q |
| 12/31/2019 | 02/19/2020 | 10-K |
| 09/30/2019 | 10/31/2019 | 10-Q |
Recent Forward Guidance
Updated 7/28/2026Latest: Q2 2026 Earnings Reported 7/27/2026
| Forward Guidance | Guidance Change | |||||||
|---|---|---|---|---|---|---|---|---|
| Metric | Source | Low | Mid | High | % Chg | % Delta | Change | Prior |
| Q3 2026 Earnings per diluted share | Reported | 0.72 | 0.77 | 0.82 | 63.8% | Higher New | Guidance: 0.47 for Q2 2026 | |
| Q3 2026 Net sales | Reported | 1.95 Bil | 2.00 Bil | 2.05 Bil | 11.1% | Higher New | Guidance: 1.80 Bil for Q2 2026 | |
| Q3 2026 Gross Profit | Calculated | 360.75 Mil | 380.00 Mil | 399.75 Mil | Rev x Gross Margin | |||
| Q3 2026 Gross margin | Reported | 18.5% | 19.0% | 19.5% | 4.0% | Higher New | Guidance: 15.0% for Q2 2026 | |
| Q3 2026 Net income | Reported | 180.00 Mil | 192.50 Mil | 205.00 Mil | 63.8% | Higher New | Guidance: 117.50 Mil for Q2 2026 | |
| 2026 Capital expenditures | Reported | 2.50 Bil | 2.75 Bil | 3.00 Bil | 0 | Affirmed | Guidance: 2.75 Bil for 2026 | |
Prior: Q1 2026 Earnings Reported 4/27/2026
| Forward Guidance | Guidance Change | |||||||
|---|---|---|---|---|---|---|---|---|
| Metric | Source | Low | Mid | High | % Chg | % Delta | Change | Prior |
| Q2 2026 Earnings per diluted share | Reported | 0.42 | 0.47 | 0.52 | 104.3% | Higher New | Guidance: 0.23 for Q1 2026 | |
| Q2 2026 Net sales | Reported | 1.75 Bil | 1.80 Bil | 1.85 Bil | 9.1% | Higher New | Guidance: 1.65 Bil for Q1 2026 | |
| Q2 2026 Gross Profit | Calculated | 253.75 Mil | 270.00 Mil | 286.75 Mil | Rev x Gross Margin | |||
| Q2 2026 Gross margin | Reported | 14.5% | 15.0% | 15.5% | 2.0% | Higher New | Guidance: 13.0% for Q1 2026 | |
| Q2 2026 Net income | Reported | 105.00 Mil | 117.50 Mil | 130.00 Mil | 104.3% | Higher New | Guidance: 57.50 Mil for Q1 2026 | |
| 2026 Capital expenditures | Reported | 2.50 Bil | 2.75 Bil | 3.00 Bil | 0 | Affirmed | Guidance: 2.75 Bil for 2026 | |
Q4 2025 Earnings Reported 2/9/2026
| Forward Guidance | Guidance Change | |||||||
|---|---|---|---|---|---|---|---|---|
| Metric | Source | Low | Mid | High | % Chg | % Delta | Change | Prior |
| Q1 2026 Net sales | Reported | 1.60 Bil | 1.65 Bil | 1.70 Bil | -9.6% | Lower New | Guidance: 1.82 Bil for Q4 2025 | |
| Q1 2026 Gross Profit | Calculated | 200.00 Mil | 214.50 Mil | 229.50 Mil | Rev x Gross Margin | |||
| Q1 2026 Gross margin | Reported | 12.5% | 13.0% | 13.5% | -1.5% | Lower New | Guidance: 14.5% for Q4 2025 | |
| Q1 2026 Net income | Reported | 45.00 Mil | 57.50 Mil | 70.00 Mil | -46.5% | Lower New | Guidance: 107.50 Mil for Q4 2025 | |
| Q1 2026 EPS | Reported | 0.18 | 0.23 | 0.28 | -46.5% | Lower New | Guidance: 0.43 for Q4 2025 | |
| 2026 Capital expenditures | Reported | 2.50 Bil | 2.75 Bil | 3.00 Bil | 189.5% | Higher New | Guidance: 950.00 Mil for 2025 | |
Q3 2025 Earnings Reported 10/27/2025
| Forward Guidance | Guidance Change | |||||||
|---|---|---|---|---|---|---|---|---|
| Metric | Source | Low | Mid | High | % Chg | % Delta | Change | Prior |
| Q4 2025 Net sales | Reported | 1.77 Bil | 1.82 Bil | 1.88 Bil | -5.2% | Lower New | Guidance: 1.93 Bil for Q3 2025 | |
| Q4 2025 Gross Profit | Calculated | 248.50 Mil | 264.62 Mil | 281.25 Mil | Rev x Gross Margin | |||
| Q4 2025 Gross margin | Reported | 14.0% | 14.5% | 15.0% | 0.8% | Higher New | Guidance: 13.75% for Q3 2025 | |
| Q4 2025 Net income | Reported | 95.00 Mil | 107.50 Mil | 120.00 Mil | 4.9% | Higher New | Guidance: 102.50 Mil for Q3 2025 | |
| Q4 2025 EPS | Reported | 0.38 | 0.43 | 0.48 | 4.9% | Higher New | Guidance: 0.41 for Q3 2025 | |
| 2025 Capital expenditures | Reported | 950.00 Mil | Raised | Guidance: 850.00 Mil for 2025 | ||||
Insider Activity
Updated 9/10/2026| # | Owner | Title | Holding | Action | Filing Date | Price | Shares | Transacted Value | Value of Held Shares | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Faust, Megan | CFO | Direct | Sell | 9102026 | 49.05 | 1,000 | 49,050 | 6,577,850 | Form |
| 2 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 8192026 | 59.78 | 5,000 | 298,900 | 2,325,681 | Form |
| 3 | Faust, Megan | CFO | Direct | Sell | 8132026 | 54.45 | 1,000 | 54,450 | 7,356,467 | Form |
| 4 | Alexander, Douglas A | Direct | Sell | 8112026 | 55.81 | 5,000 | 279,050 | 1,624,573 | Form | |
| 5 | Rutten, Guillaume Marie Jean | Direct | Sell | 8072026 | 54.50 | 25,000 | 1,362,500 | 25,164,394 | Form |
| # | Owner | Title | Holding | Action | Filing Date | Price | Shares | Transacted Value | Value of Held Shares | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Faust, Megan | CFO | Direct | Sell | 9102026 | 49.05 | 1,000 | 49,050 | 6,577,850 | Form |
| 2 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 8192026 | 59.78 | 5,000 | 298,900 | 2,325,681 | Form |
| 3 | Faust, Megan | CFO | Direct | Sell | 8132026 | 54.45 | 1,000 | 54,450 | 7,356,467 | Form |
| 4 | Alexander, Douglas A | Direct | Sell | 8112026 | 55.81 | 5,000 | 279,050 | 1,624,573 | Form | |
| 5 | Rutten, Guillaume Marie Jean | Direct | Sell | 8072026 | 54.50 | 25,000 | 1,362,500 | 25,164,394 | Form | |
| 6 | Rutten, Guillaume Marie Jean | Direct | Sell | 8072026 | 55.35 | 25,000 | 1,383,750 | 26,940,616 | Form | |
| 7 | Engel, Kevin K | President and CEO | Direct | Sell | 7312026 | 47.00 | 3,221 | 151,387 | 454,302 | Form |
| 8 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 7202026 | 65.12 | 5,000 | 325,600 | 2,533,428 | Form |
| 9 | Faust, Megan | CFO | Direct | Sell | 7162026 | 69.91 | 1,000 | 69,910 | 9,515,101 | Form |
| 10 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 6182026 | 86.21 | 5,000 | 431,050 | 3,353,914 | Form |
| 11 | Churchill, Winston J | Direct | Sell | 6162026 | 78.20 | 5,000 | 391,000 | 2,250,674 | Form | |
| 12 | Faust, Megan | CFO | Direct | Sell | 6112026 | 70.30 | 1,000 | 70,300 | 9,289,301 | Form |
| 13 | Faust, Megan | CFO | Direct | Sell | 5202026 | 64.60 | 1,000 | 64,600 | 8,600,715 | Form |
| 14 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 5202026 | 71.63 | 5,000 | 358,150 | 2,786,694 | Form |
| 15 | Rutten, Guillaume Marie Jean | Direct | Sell | 5122026 | 74.28 | 50,000 | 3,714,000 | 37,330,008 | Form | |
| 16 | Carolin, Roger Anthony | Direct | Sell | 5072026 | 76.24 | 20,000 | 1,524,800 | 7,197,742 | Form | |
| 17 | Churchill, Winston J | Direct | Sell | 5072026 | 76.45 | 7,000 | 535,150 | 1,443,988 | Form | |
| 18 | Alexander, Douglas A | Direct | Sell | 5072026 | 76.58 | 5,000 | 382,900 | 2,229,167 | Form | |
| 19 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 4202026 | 59.43 | 5,000 | 297,150 | 2,312,065 | Form |
| 20 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 3182026 | 44.54 | 5,000 | 222,700 | 1,732,784 | Form |
| 21 | Haghighi, Farshad | Executive Vice President | Direct | Sell | 2262026 | 50.50 | 15,624 | 789,012 | 421,877 | Form |
| 22 | Engel, Kevin K | President and CEO | Direct | Sell | 2262026 | 48.75 | 12,500 | 609,375 | 143,959 | Form |
| 23 | Rutten, Guillaume Marie Jean | Direct | Sell | 2262026 | 48.80 | 20,000 | 976,000 | 26,540,661 | Form | |
| 24 | Rutten, Guillaume Marie Jean | Direct | Sell | 2182026 | 45.89 | 10,000 | 458,900 | 15,570,982 | Form | |
| 25 | Engel, Kevin K | President and CEO | Direct | Sell | 2182026 | 46.03 | 5,316 | 244,695 | 36,180 | Form |
| 26 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 2182026 | 46.92 | 5,000 | 234,600 | 1,169,340 | Form |
| 27 | Kim, John T | 915 Investments, LP | Sell | 2172026 | 48.49 | 10,000,000 | 484,900,000 | 1,435,060,580 | Form | |
| 28 | 915, Investments, LP | Direct | Sell | 2172026 | 48.49 | 10,000,000 | 484,900,000 | 1,435,060,580 | Form | |
| 29 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 1202026 | 49.28 | 5,000 | 246,400 | 1,175,919 | Form |
| 30 | Rutten, Guillaume Marie Jean | Direct | Sell | 1202026 | 53.14 | 10,000 | 531,400 | 17,822,678 | Form | |
| 31 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 12172025 | 42.95 | 20,000 | 859,000 | 1,024,873 | Form |
| 32 | Churchill, Winston J | Direct | Sell | 12172025 | 44.29 | 5,000 | 221,450 | 1,146,580 | Form | |
| 33 | Rutten, Guillaume Marie Jean | President and CEO | Direct | Sell | 12172025 | 44.80 | 10,000 | 448,000 | 15,084,115 | Form |
| 34 | McCourt, Maryfrances | Direct | Sell | 12162025 | 46.02 | 20,000 | 920,400 | 2,573,346 | Form | |
| 35 | Engel, Kevin | Executive Vice President | Direct | Sell | 12162025 | 46.21 | 11,000 | 508,310 | 16,127 | Form |
| 36 | Tily, Gil C | Direct | Sell | 12162025 | 46.44 | 20,000 | 928,800 | 5,749,551 | Form | |
| 37 | Rutten, Guillaume Marie Jean | President and CEO | Direct | Sell | 11192025 | 31.68 | 10,000 | 316,800 | 10,983,424 | Form |
| 38 | Rogers, Mark N | EVP & General Counsel | Direct | Sell | 11192025 | 31.69 | 20,000 | 633,800 | 756,187 | Form |
| 39 | Rutten, Guillaume Marie Jean | President and CEO | Direct | Sell | 10172025 | 30.74 | 10,000 | 307,400 | 10,964,927 | Form |
| 40 | Rutten, Guillaume Marie Jean | President and CEO | Direct | Sell | 9232025 | 30.00 | 10,000 | 300,000 | 10,740,210 | Form |
| 41 | Haghighi, Farshad | Executive Vice President | Direct | Sell | 9102025 | 25.00 | 11,792 | 294,800 | 208,850 | Form |
Investor Activity (13F)
Updated Sep 19, 2026Active managers (13F portfolio over $250M, at least 3 holdings) with a position over $5M that is either over 10% of their portfolio or held in a concentrated book of 50 or fewer total positions. Index/ETF, sovereign, bank, community-bank and charitable/donor-advised filers are excluded.
Amkor Technology — Investor Video Playlist
Industry Resources
| Information Technology Resources |
| TechCrunch |
| Wired |
| CIO |
| MIT Technology Review |
| Gartner Insights |
| Ars Technica |
| Semiconductors Resources |
| EE Times |
| Semiconductor Engineering |
| Semiconductor Digest |
External Quote Links
| Y Finance | Barrons |
| TradingView | Morningstar |
| SeekingAlpha | ValueLine |
| Motley Fool | Robinhood |
| CNBC | Etrade |
| MarketWatch | Unusual Whales |
| YCharts | Perplexity Finance |
| FinViz |
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