CM
WAY

Castleark Management’s Waystar Holding Corp WAY Stock Holding History

Castleark Management’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
2025
Q3 		– Sell
-176,595
Closed -$7.22M – 333
2025
Q2 		$7.22M Buy
176,595
+24,090
+16% +$928K 0.22% 85
2025
Q1 		$5.7M Buy
+152,505
New +$6.04M 0.2% 102

Other funds holding WAY

EFM
EQT Fund Management Luxembourg $1.02B AUM
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BCI
Bain Capital Investors Boston, Massachusetts $3.27B AUM 3.23% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Castleark Management's WAY Position: Q3 2025 in Review

Castleark Management sold out of Waystar Holding Corp (WAY) in Q3 2025, closing a stake of 176,595 shares — an estimated $7.22M sold.

Castleark Management first reported a position in WAY in Q1 2025 and held it in 2 quarters. The position peaked at $7.22M in Q2 2025. 301 funds tracked by Wall St. Rank hold WAY as of Q3 2025.

  • Castleark Management reported no remaining Waystar Holding Corp position as of Q3 2025 after selling out during the quarter.
  • Castleark Management sold 176,595 Waystar Holding Corp shares in Q3 2025, an estimated $7.22M.
  • Castleark Management first reported a position in Waystar Holding Corp in Q1 2025 and held it in 2 quarters.
  • Castleark Management's Waystar Holding Corp position peaked at $7.22M in Q2 2025.
  • 301 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q3 2025.

Based on Castleark Management's 13F filing for Q3 2025, filed 17 Nov 2025.