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Advent International, L.P.

Position in WAY — Waystar Holding Corp.

CIK 1034196 BOSTON, MA

Position in WAY

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$266,654,164
-$95,557,528 QoQ
Shares Held
11,059,899
0.0% QoQ
Ownership
5.77%
of shares outstanding
% of Portfolio
6.28%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WAY Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Mar 31, 2026

Advent International, L.P. holds $343,521,385 across 2 Health Information Services names. WAY ranks #1 (77.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WAY
Waystar Holding Corp.
This page
11,059,899 $266,654,164

All Filings in WAY

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $266,654,164 11,059,899
2025-12-31 $362,211,692 11,059,899
2025-10-01 $410,875,247 11,059,899