Vanguard Group Increases Stake in Waystar Holding Corp

The Vanguard Group has filed an amendment to its Schedule 13G, disclosing an increased ownership in Waystar Holding Corp. As of September 30, 2025, Vanguard holds 12,289,810 shares, representing a 7.05% ownership stake in the company. This marks an increase of 3,219,586 shares from its previous filing, with the value of the holdings rising by $69,889,634.50 to a total of $440,589,688.50. The filing indicates that Vanguard's clients, including investment companies and managed accounts, have the right to receive dividends or proceeds from the sale of these securities. The amendment was signed by Ashley Grim, Head of Global Fund Administration, on October 31, 2025.