FMR LLC filed Amendment No. 7 to its Schedule 13G with the Securities and Exchange Commission on November 5, 2026, disclosing beneficial ownership of common stock in Western Digital Corp (NASDAQ:WDC) as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: FMR LLC reported 31,555,815.15 shares of Western Digital Corp common stock, representing 9.2% of the class.
  • Sole voting power: FMR LLC holds sole voting power over 28,882,866.28 shares, according to the filing.
  • Sole dispositive power: FMR LLC reported sole dispositive power over all 31,555,815.15 shares, with no shared dispositive power.
  • Abigail P. Johnson: Also named as a reporting person, Johnson reported the same 31,555,815.15 aggregate beneficial ownership and 9.2% of class, with sole dispositive power and zero voting power.
  • Event date: The filing is triggered by an event dated September 30, 2026, and was signed November 4, 2026.
  • Filing type: FMR LLC is classified as a parent holding company (type HC); Abigail P. Johnson is classified as an individual (type IN).

FMR LLC Discloses Large Passive Stake in Western Digital Common Stock

According to the filing, FMR LLC, a Delaware-organized parent holding company based at 245 Summer Street, Boston, Massachusetts, submitted this amendment to report its position in the common stock of Western Digital Corp, a data storage and technology company headquartered at 5601 Great Oaks Parkway, San Jose, California 95119. The CUSIP number identified for the security is 958102105. This is the seventh amendment to FMR LLC's Schedule 13G covering this issuer, reflecting an ongoing reporting relationship.

The filing states that one or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, Western Digital Corp common stock, but that no single other person's interest exceeds five percent of the total outstanding common stock. FMR LLC's subsidiary holdings are identified by reference to Exhibit 99, attached to the filing pursuant to the parent holding company classification under Rule 13d-1(b)(1)(ii)(G).

Abigail P. Johnson, a United States citizen, is separately identified as a reporting person in the same filing. The filing discloses that Johnson holds sole dispositive power over the same 31,555,815.15 shares attributed to FMR LLC, while reporting zero sole or shared voting power. Both FMR LLC and Johnson certified, through authorized signatory Stephanie J. Brown, that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

What Was Disclosed

FMR LLC and Abigail P. Johnson filed Amendment No. 7 to Schedule 13G reporting combined beneficial ownership of 31,555,815.15 shares, or 9.2%, of Western Digital Corp common stock, with the triggering event dated September 30, 2026.