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WDC SCHEDULE 13G: SEC filing

Capital World Investors

Filed with the SEC on · accession 0001422849-26-000212

WDC filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. Capital World Investors filed a Schedule 13G disclosing beneficial ownership of 21,663,806 shares, or 6.3%, of Western Digital Corp. as of September 30, 2026. The stock moved -5.0% by the first close after the filing.

Summary of the filing

Capital World Investors filed a Schedule 13G disclosing beneficial ownership of 21,663,806 shares, or 6.3%, of Western Digital Corp. as of September 30, 2026. The filing is a passive investment disclosure indicating the shares were acquired in the ordinary course of business and not for the purpose of changing or influencing control.

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Key details

Shares beneficially owned by Capital World Investors$21.7M
Shares outstanding of Western Digital Corp. as believed by filer$344.7M
Filer / beneficial owner of 6.3% of western digital corp. common stockCapital World Investors
Issuer / subject companyWestern Digital Corp.
Vice president and senior counsel, capital research and management companyTimothy J. Moon

How WDC stock reacted

Close before

$311.21

Nov 12, 2026

First close after

-5.00%

$295.65

5 trading days

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Since filing

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Frequently asked questions

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

WDC filed a SCHEDULE 13G (SEC filing). Capital World Investors filed a Schedule 13G disclosing beneficial ownership of 21,663,806 shares, or 6.3%, of Western Digital Corp. as of September 30, 2026. The filing is a passive investment disclosure indicating the shares were acquired in the ordinary course of business and not for the purpose of changing or influencing control.

How do I read a SCHEDULE 13G?

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 (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did WDC stock react to this filing?

WDC closed at $311.21 before the filing and $295.65 on Nov 13, 2026 (-5.00%).

Other WDC SEC filings

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