Live feed
Filing
SCHEDULE 13D
SCHEDULE 13D0001140361-25-037277·ADVENT INTERNATIONAL, L.P.
Schedule 13D ownership disclosure
Waystar Holding Corp
Common Stock, par value $0.01 per share · CUSIP: 946784105
Event date: 2025-10-01
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- ADVENT INTERNATIONAL, L.P.Reported CIK 0001034196
Shares: 11,059,899 · Class: 5.8%
- Advent International GP, LLC
Shares: 11,059,899 · Class: 5.8%
- AIO Holdings L.P.
Shares: 11,059,899 · Class: 5.8%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001140361-25-037277
- Form type
- SCHEDULE 13D
- Filer
- ADVENT INTERNATIONAL, L.P.
- CIK
- CIK 1034196
- Filed
- Oct 03, 2025
- Reporting period
- Oct 01, 2025
- Description
- Schedule 13D beneficial ownership