BCPE Derby Investor, LP - 30 Sep 2025 SCHEDULE 13G/A Report for Waystar Holding Corp. Common Stock, par value $0.01 per share (WAY)

Filing Manager
BCPE Derby Investor, LP
Reporting Manager
BCPE Derby (DE) SPV, LP
Security
Waystar Holding Corp. Common Stock, par value $0.01 per share
Symbol
WAY
Shares outstanding
192,028,814 shares
Disclosed Ownership
11,329,700 shares
Ownership
5.9%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:54:36 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BCPE Derby Investor, LP 1% 1,913,839 0 1,913,839 /s/ David Humphrey David Humphrey, Partner of Bain Capital Investors, LLC
BCPE Derby (DE) SPV, LP 5.9% 11,329,700 0 11,329,700 /s/ David Humphrey David Humphrey, Partner of Bain Capital Investors, LLC