Accessibility StatementSkip Navigation Inclusion underscores durable growth, innovation leadership, and long-term shareholder value LEHI, Utah and LOUISVILLE, Ky., Sept. 22, 2025 /PRNewswire/ -- Waystar Holding Corp. (Nasdaq: WAY), a provider of leading healthcare payment software, today announced that it has joined the S&P SmallCap 600® Index, effective before the market opens on September 22, 2025. "Our addition to the S&P SmallCap 600 reflects the strength of Waystar's AI-powered software platform and ou ...