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MX SCHEDULE 13G/A: SEC filing

Oaktree Capital Management and affiliated entities

Filed with the SEC on · accession 0001140361-26-043862

MX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. Oaktree Capital Management and affiliated entities filed an amended Schedule 13G reporting beneficial ownership of 1,500,000 shares of Magnachip Semiconductor common stock, representing 3.94% of the outstanding shares as of September 30, 2026. The stock moved -11.3% by the first close after the filing.

Summary of the filing

Oaktree Capital Management and affiliated entities filed an amended Schedule 13G reporting beneficial ownership of 1,500,000 shares of Magnachip Semiconductor common stock, representing 3.94% of the outstanding shares as of September 30, 2026. The filing is a passive investment disclosure with no stated intent to influence control of the company.

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Key details

Shares of common stock beneficially owned$1.5M
Total shares of common stock outstanding as of September 30, 2026$38.0M
Reporting person / investment managerOaktree Capital Management, L.P.
Direct holder of the reported securitiesOaktree Value Opportunities Fund, L.P.
General partner of oaktree capital management, l.p.Oaktree Capital Management GP, LLC
Issuer of the securitiesMagnachip Semiconductor Corporation
Managing director, oaktree capital managementHenry Orren

How MX stock reacted

Close before

$2.82

Nov 12, 2026

First close after

-11.35%

$2.50

5 trading days

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Since filing

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Frequently asked questions

What did MX file with the SEC on Nov 13, 2026?

MX filed a SCHEDULE 13G/A (SEC filing). Oaktree Capital Management and affiliated entities filed an amended Schedule 13G reporting beneficial ownership of 1,500,000 shares of Magnachip Semiconductor common stock, representing 3.94% of the outstanding shares as of September 30, 2026. The filing is a passive investment disclosure with no stated intent to influence control of the company.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did MX stock react to this filing?

MX closed at $2.82 before the filing and $2.50 on Nov 13, 2026 (-11.35%).

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