Who Owns Amkor Technology Company?

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Who Owns Amkor Technology?

Amkor Technology, a leader in semiconductor packaging, was founded by James J. Kim in 1968. Its IPO in 1998 marked a significant step in its global expansion. The company's headquarters are in Tempe, Arizona.

As the second-largest OSAT provider globally in 2024, Amkor Technology reported net revenues of $1.37 billion in Q1 2024 and $1.51 billion in Q2 2025. With around 28,700 employees in 2023, it serves diverse markets with advanced packaging solutions, including those analyzed in the Amkor Technology BCG Matrix.

Amkor Technology's journey began with the entrepreneurial spirit of James J. Kim, who founded Amkor Electronics in 1970. This venture was closely tied to his father's earlier establishment of ANAM Industries in South Korea, which was the nation's first semiconductor business. James J. Kim played a crucial role as the marketing agent for ANAM Industrial Co. starting in 1968.

Founder's Vision

James J. Kim, originally Joo Jin Kim, established Amkor Electronics, Inc. in 1970. His vision was to create a strong market presence in the U.S. while leveraging Korean manufacturing capabilities.

Early Operations

Initial operations in Korea were modest, equipped with basic machinery like three wire bonders and two die bonders. This laid the groundwork for future expansion and technological advancement.

Pioneering Exports

In 1970, the company achieved a significant milestone by recording the first semiconductor export from Korea. These exports, consisting of semiconductors in metal cans, were sent to the U.S. market.

Synergistic Relationship

Amkor Electronics focused on sales and marketing in the U.S., while ANAM Industrial Co. Ltd. concentrated on production and research and development in Korea. This division of labor was key to their early success.

Initial Funding

Early funding for the venture came from private capital. Specific details on initial equity splits among founders and early investors are not publicly disclosed.

ANAM Industries' Roots

Amkor's origins are linked to ANAM Industries, founded by Hyang-Soo Kim in 1935 in Seoul. This company was transformed into ANAM Industrial Co. Ltd. in March 1968, marking South Korea's first semiconductor business.

The foundational structure of Amkor Technology was built on a strategic partnership between its U.S. sales and marketing arm and its Korean production and R&D base. This allowed for a focused approach to market penetration and technological innovation. Understanding the Target Market of Amkor Technology is crucial to appreciating the early strategic decisions made by its leadership.

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Amkor Technology's ownership journey began with its 1998 IPO, transforming Amkor Electronics into Amkor Technology, Inc. This public offering was crucial for fueling its global expansion and technological advancements.

Institutional investors are significant stakeholders in Amkor Technology, collectively holding approximately 44% of the company's shares as of October 1, 2024. By July 25, 2025, a total of 733 institutional owners and shareholders had filed with the SEC, reporting ownership of 131,566,433 shares. Major institutional shareholders as of March 31, 2025, include Vanguard Group Inc. with 16,025,236 shares, Dimensional Fund Advisors LP holding 13,398,430 shares, BlackRock, Inc. with 11,163,740 shares, and LSV Asset Management owning 5,195,617 shares. Other notable institutional holders are State Street Corp., Alliancebernstein L.P., and American Century Companies Inc. The general public, comprising individual investors, accounts for about 13% of ownership, while private companies collectively own approximately 22% of Amkor Technology stock. These ownership dynamics have supported strategic moves, such as the 2000 acquisition of Anam Semiconductor's packaging facilities and the 2016 full acquisition of J-Devices Corp., bolstering its market position and global manufacturing capabilities.

Key Stakeholders in Amkor Technology

Understanding who owns Amkor Technology reveals a diverse investor base.

• Institutional investors are the largest shareholder group.
• Vanguard Group Inc. is a prominent institutional shareholder.
• BlackRock, Inc. also holds a significant stake.
• The general public and private companies represent other ownership segments.
• The company's structure supports its global operations and Mission, Vision & Core Values of Amkor Technology.

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Amkor Technology's strategic direction is shaped by its Board of Directors, comprising nine members as of late 2024 and early 2025. This board includes representatives of major shareholders, founders, and independent directors, ensuring a diverse range of perspectives in guiding the company's operations and future plans.

Amkor Technology operates under a corporate governance framework approved by its Board of Directors, designed to represent shareholder interests. The company's common stock, traded on NASDAQ, adheres to a one-share-one-vote structure. As of February 14, 2025, there were 246,731,692 shares of Common Stock outstanding, each with a par value of $0.001. Public filings do not indicate any dual-class share structures or special voting rights that would deviate from this standard voting power.

Understanding Amkor Technology's Voting Power

Amkor Technology's voting structure is based on a straightforward one-share-one-vote principle. This means that shareholders' influence is directly proportional to the number of shares they hold, a common practice for publicly traded companies.

• Total Outstanding Shares: 246,731,692 as of February 14, 2025.
• Voting Rights: One vote per share of common stock.
• Governance Framework: Principles approved by the Board of Directors.
• Shareholder Representation: Board composition includes representatives of major shareholders.
• Public Trading: Listed on NASDAQ, indicating adherence to public market regulations.

The company's leadership, including CEO Giel Rutten and Chairman Susan Kim, works within this governance structure. Information regarding shareholder voting matters is typically detailed in proxy statements, such as the DEF 14A filed on April 12, 2024. For a deeper understanding of the competitive landscape Amkor Technology operates within, exploring the Competitors Landscape of Amkor Technology can provide valuable context.

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Over the past few years, Amkor Technology has experienced significant shifts in its leadership and financial activities, influencing its ownership trends. The company has also seen substantial growth in institutional investor holdings, indicating a strong interest from the financial community.

Amkor Technology's financial performance continues to be robust, with net sales reaching $1.51 billion in the second quarter of 2025, a 3.4% increase year-over-year. The company projects net sales between $1.875 billion and $1.975 billion for the third quarter of 2025. These figures reflect strong demand in consumer and computing sectors, particularly for advanced packaging solutions crucial for AI and high-performance computing. The company's strategic investments in global expansion, such as the facility in Vietnam and planned operations in Arizona, underscore its commitment to meeting the evolving needs of the semiconductor industry. For a deeper understanding of the company's journey, explore the Brief History of Amkor Technology.

Leadership Evolution

Susan Y. Kim assumed the role of Chairman of the Board in October 2024, following the retirement of founder James J. Kim. This transition marks a new chapter in the company's leadership.

Financial Strategy

A public offering in November 2024 raised capital to reduce outstanding debt. This move is part of the company's ongoing financial management to strengthen its balance sheet.

Institutional Investor Influence

As of July 25, 2025, institutional investors held over 131 million shares. This high level of institutional ownership suggests that their trading activities can significantly impact Amkor Technology stock performance.

Global Expansion and Growth Areas

Recent investments in Vietnam and planned facilities in Arizona highlight a focus on advanced packaging for AI and HPC. These expansions are key to Amkor Technology's business operations and future growth.

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