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$MX:NYSE · Magnachip Semiconductor Corp - US

Magnachip Semiconductor Corporation, together with its subsidiaries, designs, manufactures, and supplies analog and mixed-signal semiconductor platform solutions for communications, the Internet of Things, consumer, computing, industrial…

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Magnachip Semiconductor Corporation, together with its subsidiaries, designs, manufactures, and supplies analog and mixed-signal semiconductor platform solutions for communications, the Internet of Things, consumer, computing, industrial, and automotive applications. It provides display solutions, including source and gate drivers, and timing controllers that cover a range of flat panel displays used in mobile communications, automotive, entertainment devices, monitors, notebook PCs, tablet PC and TVs, liquid crystal display, organic light emitting diodes (OLED), and micro light emitting diode (Micro LED) panel. The company also offers metal oxide semiconductor field-effect transistors, insulated-gate bipolar transistors, AC-DC converters, DC-DC converters, LED drivers, regulators, and power management integrated circuits for a range of devices comprising televisions, smartphones, mobile phones, wearable devices, desktop PCs, notebooks, tablet PCs, level shifter, and other consumer electronics, as well as for power suppliers, e-bikes, photovoltaic inverters, LED lighting, and motor drives; and OLED display driver integrated circuit products. It serves consumer, computing, communication, automotive and industrial electronics OEMs, original design manufacturers, and electronics manufacturing services companies, as well as subsystem designers in Korea, the Asia Pacific, the United States, and Europe. The company sells its products through a direct sales force and a network of agents and distributors. Magnachip Semiconductor Corporation was incorporated in 2003 and is based in Cheongju-si, South Korea.

Sector: aisemi

52-week range: 2.189.86

2 tracked filer(s) hold this · 1 opened, 0 added, 1 trimmed in 30-JUN-2026

Aggregate 13FScore 66 — mean of 2 scored holder(s) · buyers (new/add) avg 63. Higher = the smart money in this name has the better track record.

Filer13FScoreThis quarterSharesValue% of their book
Paul Tudor Jones / Tudor63New buy160,203$757,7600.0%
Howard Marks / Oaktree70Trimmed -71%2,500,000$11,825,0000.2%

Beyond 13F — activists, insiders, politicians & research

Activist 13D filings daily digest →

FiledFormActivist% of classConviction
2026-01-20SCHEDULE 13D/AByreforge LLC8.5%Medfiling

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-08-16.