Who Owns Monolithic Power Systems Company?

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Who Owns Monolithic Power Systems?

Monolithic Power Systems (MPS), a leader in high-performance analog and mixed-signal integrated circuits, has a dynamic ownership structure reflecting its growth. Founded in 1997, the company has evolved significantly, becoming an S&P 500 component.

Understanding who holds stakes in MPS is key to grasping its strategic trajectory and governance. As of August 2025, MPS boasts a market capitalization of $40.22 billion USD, with its stock traded on Nasdaq under the symbol MPWR.

The ownership of Monolithic Power Systems, Inc. (MPS) is a blend of its founder, institutional investors, and public shareholders. Michael R. Hsing, the company's founder, maintains a significant stake, reflecting his continued influence since establishing MPS in 1997 with a vision for integrated power systems. This foundational ownership is complemented by substantial holdings from major institutional investors, which often play a crucial role in shaping corporate governance and strategic decisions. The remaining ownership is distributed among a broad base of public shareholders, who invest in the company's Nasdaq-listed stock, MPWR. This diverse ownership landscape is indicative of MPS's established presence and growth in the semiconductor market, where it specializes in products like those analyzed in the Monolithic Power Systems PESTEL Analysis.

Monolithic Power Systems, Inc. was established in 1997 with a founding vision by Michael R. Hsing to integrate entire power systems onto single integrated circuits. Hsing's prior experience as a Senior Silicon Technology Developer at analog integrated circuit firms provided him with foundational patented technologies that would later shape MPS's innovations. While James Moyer is also mentioned as a co-founder in some accounts, Michael R. Hsing is consistently recognized as the founder and currently holds the positions of Chairman of the Board, President, and Chief Executive Officer.

Founding Vision

Michael R. Hsing founded Monolithic Power Systems with the goal of consolidating power systems onto single integrated circuits. This vision was powered by his extensive experience in silicon technology development.

Technological Foundation

Hsing's prior work involved developing and patenting foundational technologies crucial for the company's future innovations. The proprietary Bipolar-CMOS-DMOS (BCD) process technology became a cornerstone of MPS's competitive edge.

Early Capitalization

The company's inception and development were supported by venture capital funding. This capital was essential for launching MPS and advancing its unique BCD process technology.

Leadership Continuity

Michael R. Hsing remains a pivotal figure in the company, currently serving as Chairman of the Board, President, and Chief Executive Officer. His ongoing leadership underscores the founder's enduring influence.

Publicly Available Information

Specific details regarding the initial equity distribution among founders or early angel investors are not publicly disclosed. Information on early agreements like vesting schedules or buy-sell clauses is also not readily available in public records.

Strategic Focus

The founding team's collective vision, heavily influenced by Michael R. Hsing's technical acumen, was instrumental in the company's early trajectory. This focus was firmly set on the integration of power systems onto single chips.

The early ownership structure of Monolithic Power Systems, Inc. was characterized by venture capital backing, which provided the critical financial resources for the company's launch and the development of its proprietary Bipolar-CMOS-DMOS (BCD) process technology. This technology served as a fundamental element of MPS's competitive advantage. While Michael R. Hsing is consistently identified as the founder, and currently serves as Chairman of the Board, President, and Chief Executive Officer, specific details concerning the initial equity split among founders or the identities of early angel investors are not publicly available. Similarly, information pertaining to early ownership agreements, such as vesting schedules, buy-sell clauses, or any initial ownership disputes or buyouts, is not readily found in current public records. The founding team's strategic direction, heavily influenced by Hsing's technological expertise, was central to the company's initial growth and its core strategy of integrating power systems onto single chips, a strategy that continues to inform its business model, as detailed in Revenue Streams & Business Model of Monolithic Power Systems.

Key Aspects of Early Ownership and Foundation

The establishment and initial growth of Monolithic Power Systems were significantly shaped by its founder and early investment structure.

• Founder: Michael R. Hsing, who envisioned integrating power systems onto single chips.
• Early Backing: Venture capital provided essential funding for company launch and technology development.
• Core Technology: The proprietary Bipolar-CMOS-DMOS (BCD) process technology was a key differentiator.
• Leadership: Michael R. Hsing continues to lead the company as Chairman, President, and CEO.
• Information Availability: Specific details on initial equity splits and early investor agreements are not publicly disclosed.

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Monolithic Power Systems (MPS) became a publicly traded entity in November 2004 through its Initial Public Offering (IPO) on the Nasdaq, trading under the symbol MPWR. This transition marked a significant shift in its ownership structure, moving from private to public hands.

The ownership landscape of Monolithic Power Systems is heavily dominated by institutional investors, a common characteristic of mature public companies. As of August 2025, these entities collectively hold a substantial 93.46% of the company's stock, indicating a broad base of professional investment. This significant institutional presence often influences corporate governance and strategic decisions through their considerable voting power in shareholder matters. The company's market capitalization reached $40.22 billion USD as of August 2025, reflecting its substantial scale and market valuation.

Key Monolithic Power Systems Shareholders

Institutional investors are the primary owners of Monolithic Power Systems, with significant holdings by major asset management firms. Insider ownership also plays a role, with the founder and other executives retaining stakes.

• Vanguard Group Inc. is a major institutional shareholder, holding 5,939,946 shares (12.40%) as of June 30, 2025.
• BlackRock, Inc. follows with 5,229,221 shares, representing 10.92% ownership.
• Fmr Llc holds 3,392,704 shares, accounting for 7.08% of the company's stock.
• State Street Corp owns 2,120,034 shares (4.43%), and Price T Rowe Associates Inc /md/ holds 2,088,804 shares (4.36%).
• Insider ownership, including that of founder Michael Hsing, amounts to approximately 3.4%, valued at about US$1.2 billion as of June 2025.
• Other significant individual insiders include Jim J. Jones III with 6,538,897 shares (13.65%) and Herbert Chang with 4,536,727 shares (9.47%).
• Understanding these ownership dynamics provides insight into the company's investor relations and overall company structure. For more on the company's journey, see the Brief History of Monolithic Power Systems.

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The leadership of Monolithic Power Systems is spearheaded by its founder, Michael Hsing, who holds the key positions of Chairman, President, and Chief Executive Officer. The current board of directors also includes Victor K. Lee, Herbert Chang, and Eugen Elmiger. Notably, Herbert Chang brings a venture capital perspective, concentrating on semiconductor and technology investments. In a move towards enhanced diversity, the company welcomed a second female director to its board in 2023.

Monolithic Power Systems generally adheres to a standard one-share-one-vote structure, typical for publicly traded entities, with no publicly disclosed dual-class shares or special voting rights. A minor procedural stockholder proposal in January 2024, concerning proof of ownership, did not indicate a significant activist investor presence. The founder's extensive leadership roles suggest a strong, founder-driven strategic direction, which is further shaped by the oversight of independent directors and the influence of major institutional shareholders, providing a balanced approach to Monolithic Power Systems ownership.

Understanding Monolithic Power Systems Board and Voting Power

The governance of Monolithic Power Systems is characterized by its founder's significant leadership roles and a board structure aimed at strategic oversight. Understanding the voting power dynamics is key to grasping Monolithic Power Systems company structure.

• Founder Michael Hsing holds Chairman, President, and CEO positions.
• The board includes directors with venture capital and industry expertise.
• The company made progress on diversity by adding a second female director in 2023.
• Voting power is generally based on a one-share-one-vote principle.
• Institutional investors play a role in Monolithic Power Systems stock ownership.

The influence of Michael Hsing, as founder and CEO, is a significant factor in the company's direction. This founder's stake is often a critical element when examining Monolithic Power Systems ownership. The board's composition, including individuals with venture capital backgrounds like Herbert Chang, suggests a strategic focus on growth and innovation within the semiconductor sector. For those interested in the broader market, understanding the Competitors Landscape of Monolithic Power Systems can provide valuable context for MPS stock ownership trends.

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Over the past few years, Monolithic Power Systems (MPS) has actively managed its shareholder base through significant stock repurchase programs. These initiatives aim to enhance shareholder value and manage dilution, reflecting a dynamic approach to capital allocation.

Insider activity has shown a trend of selling without corresponding purchases in the period leading up to June 29, 2025, with insiders selling US$8.6 million worth of shares. Michael Hsing, a key insider, sold 20,231 common shares on August 15, 2025, valued at approximately $16.77 million. Following these sales, Hsing directly holds 814,667 shares and indirectly holds 145,865 shares through trusts.

Institutional Ownership Dominance

As of August 2025, institutional investors hold a substantial 93.46% of MPS stock. This indicates strong confidence from large financial entities in the company's prospects.

Insider Selling Trends

Recent insider transactions show a net selling activity, with notable individual sales occurring. This trend is important for understanding insider sentiment regarding current stock valuation.

Strategic Acquisitions Impact

The acquisition of Axign B.V. in 2024 is a key development, bolstering MPS's capabilities in automotive audio products. This strategic move is expected to influence future revenue streams and market positioning.

Capital Allocation Strategy

MPS's consistent stock buyback programs, including the recent authorization of up to $500 million, highlight a commitment to returning capital to shareholders. This strategy is central to its investor relations approach and Growth Strategy of Monolithic Power Systems.

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