CSS
WAY

Cubist Systematic Strategies’s Waystar Holding Corp WAY Stock Holding History

Cubist Systematic Strategies’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 		$9.07M Sell
239,159
-123,415
-34% -$4.57M 0.04% 620
2025
Q2 		$14.8M Buy
+362,574
New +$14M 0.07% 410
2024
Q3 		– Sell
-6,753
Closed -$145K – 3593
2024
Q2 		$145K Buy
+6,753
New +$146K ﹤0.01% 2570

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

Cubist Systematic Strategies's WAY Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its Waystar Holding Corp (WAY) stake by 34% in Q3 2025, selling an estimated $4.57M and leaving 239,159 shares worth $9.07M. The position accounts for 0.04% of the portfolio, ranked #620.

Cubist Systematic Strategies first reported a position in WAY in Q2 2024 and has held it in 3 quarters since. The position peaked at $14.8M in Q2 2025. 301 funds tracked by Wall St. Rank hold WAY as of Q3 2025.

  • Cubist Systematic Strategies held 239,159 shares of Waystar Holding Corp worth $9.07M as of Q3 2025.
  • Cubist Systematic Strategies sold 123,415 Waystar Holding Corp shares in Q3 2025, an estimated $4.57M.
  • Waystar Holding Corp made up 0.04% of Cubist Systematic Strategies's portfolio in Q3 2025, its #620 holding.
  • Cubist Systematic Strategies first reported a position in Waystar Holding Corp in Q2 2024 and has held it in 3 quarters since.
  • Cubist Systematic Strategies's Waystar Holding Corp position peaked at $14.8M in Q2 2025.
  • 301 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.