MAGNACHIP SEMICONDUCTOR Corp (MX) Institutional Ownership

Ownership Summary

A total of 75 institutions have reported a stake in MAGNACHIP SEMICONDUCTOR Corp (NYSE:MX) as of September 2025, according to recent 13F filings with the SEC.

• The percentage of MAGNACHIP SEMICONDUCTOR owned by institutions changed from 64.5% in June 2025 to 63.0% in September 2025, marking a slight down trend.
• In percentage terms, this reflects as a holdings change of -2.69% quarter on quarter, and a decrease of 14.77% year over year.
• A review of institutional activity for MAGNACHIP SEMICONDUCTOR shows 28 of 75 filers increasing their positions, while 27 reduced their stake, and 20 remained unchanged.
• The total number of shares held by institutions in MAGNACHIP SEMICONDUCTOR decreased to 22.64Mn as of September 2025, a net change of down by 624.91K shares quarter on quarter, and up 151.50K shares year over year.
• OAKTREE CAPITAL MANAGEMENT LP's holding of 2.85Mn shares as of September 30, 2025 makes it the primary institutional investor in MAGNACHIP SEMICONDUCTOR, owning 7.93% of the stock.
• Among the most significant buyers of MAGNACHIP SEMICONDUCTOR during September 2025 were Lepercq De Neuflize Asset Management LLC (1.03Mn), ACADIAN ASSET MANAGEMENT LLC (281.39K), AMERIPRISE FINANCIAL INC (208.42K), MARSHALL WACE, LLP (174.21K), D. E. Shaw & Co., Inc. (118.28K).
• Leading sellers of MAGNACHIP SEMICONDUCTOR stock in September 2025 included SYSTEMATIC FINANCIAL MANAGEMENT LP (1.74Mn), IMMERSION CORP (470.39K), CITADEL ADVISORS LLC (171.21K), S Squared Technology, LLC (100.00K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (64.25K).
• The top 10 institutional holders of MAGNACHIP SEMICONDUCTOR for the quarter ending September 2025 included OAKTREE CAPITAL MANAGEMENT LP (2.85Mn), IMMERSION CORP (2.74Mn), Clearline Capital LP (1.90Mn), AMERIPRISE FINANCIAL INC (1.43Mn), VANGUARD GROUP INC (1.03Mn), Lepercq De Neuflize Asset Management LLC (1.03Mn), DIMENSIONAL FUND ADVISORS LP (1.01Mn), MARSHALL WACE, LLP (873.73K), Quinn Opportunity Partners LLC (730.47K), MORGAN STANLEY (682.17K).