FMR LLC and Abigail P. Johnson filed Amendment No. 2 to a Schedule 13G with the SEC on November 4, 2026, disclosing beneficial ownership of common stock in Waystar Holding Corp as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: FMR LLC reported 23,852,332.20 shares of Waystar Holding Corp common stock beneficially owned, representing 12.4% of the class.
  • Sole voting power: FMR LLC reported sole voting power over 23,851,730.50 shares, with no shared voting power reported.
  • Sole dispositive power: FMR LLC reported sole dispositive power over 23,852,332.20 shares, with no shared dispositive power reported.
  • Abigail P. Johnson: Also named as a reporting person, Johnson reported sole dispositive power over 23,852,332.20 shares and 12.4% of the class, with zero voting power reported.
  • Triggering event date: The date of the event requiring this filing was stated as September 30, 2026.
  • Third-party interest: According to the filing, one or more other persons hold the right to receive dividends or proceeds from the sale of the common stock, though no single other person's interest exceeds 5% of total outstanding shares.

FMR LLC and Abigail P. Johnson Disclose Ownership Position in Waystar Holding Corp

FMR LLC, a Delaware-organized holding company with its principal business office at 245 Summer Street, Boston, Massachusetts 02210, filed Amendment No. 2 to Schedule 13G disclosing its beneficial ownership position in Waystar Holding Corp (NASDAQ:WAY), whose common stock carries CUSIP number 946784105. The filing was signed on November 4, 2026, by Stephanie J. Brown, acting under a Power of Attorney effective January 3, 2023, on behalf of FMR LLC and its direct and indirect subsidiaries.

According to the filing, FMR LLC reported aggregate beneficial ownership of 23,852,332.20 shares of Waystar Holding Corp common stock, equal to 12.4% of the class. FMR LLC disclosed sole voting power over 23,851,730.50 shares and sole dispositive power over 23,852,332.20 shares, with shared voting and dispositive power each reported as 0.00. Abigail P. Johnson, identified as a reporting person of U.S. citizenship and classified as an individual (IN), reported the same aggregate beneficial ownership of 23,852,332.20 shares and 12.4% of the class, with sole dispositive power over that full amount and no voting power reported.

The filing certified that, to the best of the signatories' knowledge, 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." FMR LLC is classified as a parent holding company (HC) under the Schedule 13G filing rules. The filing references Exhibit 99 for identification of the relevant subsidiaries that acquired the securities being reported.

What Was Disclosed

FMR LLC and Abigail P. Johnson filed Amendment No. 2 to Schedule 13G disclosing aggregate beneficial ownership of 23,852,332.20 shares, or 12.4%, of Waystar Holding Corp common stock as of September 30, 2026, with no shared voting or dispositive power reported by either party.