FMR LLC and Abigail P. Johnson filed a Schedule 13G with the SEC on November 5, 2026, disclosing beneficial ownership of common stock in Guardant Health Inc. as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: FMR LLC and Abigail P. Johnson each reported beneficial ownership of 7,733,224.05 shares of Guardant Health Inc. common stock.
  • Percent of class: The reported holdings represent 5.8% of the outstanding common stock, according to the filing.
  • Sole voting power (FMR LLC): FMR LLC reported sole voting power over 7,566,762.18 shares, with 0.00 shares subject to shared voting power.
  • Sole dispositive power: Both FMR LLC and Abigail P. Johnson each reported sole dispositive power over 7,733,224.05 shares, with no shared dispositive power.
  • Event date: The event requiring the filing occurred on September 30, 2026.
  • Filer classification: FMR LLC is classified as a parent holding company (HC) and Abigail P. Johnson as an individual (IN) in the filing.

FMR LLC and Johnson Disclose Combined Position in Guardant Health Common Stock

According to the Schedule 13G filed November 5, 2026, FMR LLC, a Delaware-organized entity headquartered at 245 Summer Street, Boston, Massachusetts 02210, reported aggregate beneficial ownership of 7,733,224.05 shares of Guardant Health Inc. (CUSIP 40131M109) common stock, representing 5.8% of the class. The triggering event date is listed as September 30, 2026. FMR LLC is identified in the filing as a parent holding company or control person under Rule 13d-1(b)(1)(ii)(G).

Abigail P. Johnson, a United States citizen, is separately listed as a reporting person. She reported the same aggregate beneficial ownership figure of 7,733,224.05 shares, also representing 5.8% of the class. Johnson reported sole dispositive power over all 7,733,224.05 shares but reported 0.00 shares with sole or shared voting power, distinguishing her position from that of FMR LLC, which reported sole voting power over 7,566,762.18 shares.

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, the COMMON STOCK of GUARDANT HEALTH INC," but specifies that no single other person's interest exceeds five percent of the total outstanding common stock. The filing further certifies, per standard Schedule 13G language, 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." Subsidiary identification information is provided in the filing's Exhibit 99.

What Was Disclosed

FMR LLC and Abigail P. Johnson jointly filed a Schedule 13G disclosing beneficial ownership of 7,733,224.05 shares, or 5.8%, of Guardant Health Inc. common stock as of September 30, 2026, with no shared voting or dispositive power reported by either party.