Advent International, L.P.

13F Holdings History for Waystar Holding Corp. - Common Stock, par value $0.01 per share (WAY)

Symbol: WAY on Nasdaq
Investment type: Equity / Common Stock, par value $0.01 per share
Latest Disclosed Ownership: 11.1M shares
Security Ownership: 5.8%

ADVENT INTERNATIONAL, L.P. ownership in Waystar Holding Corp. Common Stock, par value $0.01 per share (WAY)

2025-10-03 - ADVENT INTERNATIONAL, L.P. has filed an SCHEDULE 13D form with the Securities and Exchange Commission (SEC) disclosing ownership of 11.1M shares of Waystar Holding Corp. Common Stock, par value $0.01 per share (WAY). This represents 5.8% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
ADVENT INTERNATIONAL, L.P.	5.8%		$419M	11.1M			$37.92	13D	10/1/2025	3 Oct 2025 20:36:35