Amkor Technology, Inc. (AMKR)

Amkor Technology's stock has experienced significant movement in the past six months, with shares surging 79.8% year-to-date as of early May 2026. The all-time high closing price for Amkor Technology stock was $78.10 on April 24, 2026. Amkor reported strong first-quarter 2026 results, with net sales of $1.68 billion, up 27.5% year-over-year, and earnings of $0.33 per share, beating analyst estimates, however the stock declined by 6.2% following the release due to investor caution. Amkor Technology announced the issuance of $1.15 billion aggregate principal amount of 0.00% Convertible Senior Notes due 2031. As of early May 2026, the average analyst rating for AMKR stock is "Buy," with a 12-month price target of $75.50.

Amkor Technology experiences demand seasonality for its products and services, particularly in the Communications and Consumer end markets. The company's first-quarter 2026 sales, for instance, saw a sequential decline primarily due to this seasonality. Investor caution has also been noted regarding a potentially less pronounced second-half seasonal uplift in communications following an unseasonably strong first half.

Amkor Technology, Inc. specializes in outsourced semiconductor assembly and test (OSAT) services, offering a comprehensive portfolio that includes advanced packaging, wafer-level processing, and system-in-package solutions. Its major products and services encompass semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, burn-in, system-level and final test, and drop shipment services. Amkor provides various packaging technologies such as flip chip scale packages, flip chip stacked chip scale packages and flip-chip ball grid array packages. The company also offers wafer-level CSP and fan-out packages, as well as leadframe packages, substrate-based wirebond packages, micro-electro-mechanical systems (MEMS) packages, and advanced system-in-package modules. Amkor serves a diverse clientele across markets such as communications, consumer electronics, automotive, and industrial.

Amkor maintains a broad global presence with production facilities, research and development centers, and sales and support offices strategically located in key electronics manufacturing regions. Its operational base includes factories in Asia, Europe, and the United States. The company's headquarters have been in Arizona since 2005. Amkor is also expanding its footprint with a new advanced packaging and test facility in Peoria, Arizona.

Amkor Technology has a strong reputation within the semiconductor industry, particularly as a global leader in outsourced semiconductor packaging and test services. The company was recognized as Supplier of the Year by Qualcomm Technologies for two consecutive years (2016 and 2017). In 2019, Amkor Technology was ranked 2nd in overall revenue in the OSAT market. The company's commitment to expanding its U.S.-based chip manufacturing with the new Arizona facility also contributes positively to its industry standing.

The ownership structure of Amkor Technology, Inc. shows a significant concentration with the founding Kim family and related trusts and entities holding approximately 49.38% of the outstanding stock as of April 21, 2026. Institutional investors are also major stakeholders, collectively holding a substantial portion of the company's shares. As of May 5, 2026, 485 institutional owners and shareholders held a total of 114,243,507 shares. The general public accounts for about 13% of ownership, while private companies collectively own approximately 22% of Amkor Technology stock.