ADVENT INTERNATIONAL, L.P.

Holdings History for Waystar Holding Corp. - COMMON STOCK (WAY)

Symbol: WAY on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 11,059,899 shares
Security Ownership %: 5.8%

Shares, Excluding Options vs Price

Value, Excluding Options

ADVENT INTERNATIONAL, L.P. ownership in Waystar Holding Corp. COMMON STOCK (WAY)

03 Oct 2025 - ADVENT INTERNATIONAL, L.P. has filed an SCHEDULE 13D form with the Securities and Exchange Commission (SEC) disclosing ownership of 11,059,899 shares of Waystar Holding Corp. COMMON STOCK (WAY). This represents 5.8% ownership of the company. This is the first filing by ADVENT INTERNATIONAL, L.P. disclosing ownership of Waystar Holding Corp. COMMON STOCK (WAY).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
ADVENT INTERNATIONAL, L.P.	5.8%		$419,388,052	11,059,899			$37.92	13D	01 Oct 2025	03 Oct 2025, 20:36

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025		7.5%	+7.5%	$362,211,692	11,059,899	+11,059,899	NEW	$32.75	Q4 2025

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.