AI
WAY

Advent International’s Waystar Holding Corp WAY Stock Holding History

Advent International’s Portfolio WAY Stock Details WAY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$227M Hold
11,059,899
– – 1.28% 5
2026
Q1 		$267M Hold
11,059,899
– – 6.28% 3
2025
Q4 		$362M Buy
+11,059,899
New +$394M 7.5% 3

Other funds holding WAY

EFM
EQT Fund Management Luxembourg $863M AUM 26.03% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $181B AUM 41.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BCI
Bain Capital Investors Boston, Massachusetts $4.82B AUM 35.43% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
GAM
Goldentree Asset Management New York $1.72B AUM 1.39% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Advent International's WAY Position: Q2 2026 in Review

Advent International held its Waystar Holding Corp (WAY) position steady in Q2 2026 at 11,059,899 shares worth $227M. The position accounts for 1.28% of the portfolio, ranked #5.

Advent International first reported a position in WAY in Q4 2025 and has held it in 3 quarters since. The position peaked at $362M in Q4 2025. 302 funds tracked by Wall St. Rank hold WAY as of Q2 2026.

  • Advent International held 11,059,899 shares of Waystar Holding Corp worth $227M as of Q2 2026.
  • Advent International left its Waystar Holding Corp share count unchanged in Q2 2026.
  • Waystar Holding Corp made up 1.28% of Advent International's portfolio in Q2 2026, its #5 holding.
  • Advent International first reported a position in Waystar Holding Corp in Q4 2025 and has held it in 3 quarters since.
  • Advent International's Waystar Holding Corp position peaked at $362M in Q4 2025.
  • 302 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q2 2026.

Based on Advent International's 13F filing for Q2 2026, filed 14 Aug 2026.