CIS
WAY

Custom Index Systems’s Waystar Holding Corp WAY Stock Holding History

Custom Index Systems’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
Q4 		– Sell
-8,537
Closed -$324K – 296
2025
Q3 		$324K Sell
8,537
-4,766
-36% -$177K 0.1% 210
2025
Q2 		$544K Buy
13,303
+5,955
+81% +$229K 0.26% 116
2025
Q1 		$275K Buy
+7,348
New +$291K 0.14% 223

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 Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AI
Advent International Boston, Massachusetts $17.7B AUM 5.23% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Custom Index Systems's WAY Position: Q4 2025 in Review

Custom Index Systems sold out of Waystar Holding Corp (WAY) in Q4 2025, closing a stake of 8,537 shares — an estimated $324K sold.

Custom Index Systems first reported a position in WAY in Q1 2025 and held it in 3 quarters. The position peaked at $544K in Q2 2025. 300 funds tracked by Wall St. Rank hold WAY as of Q4 2025.

  • Custom Index Systems reported no remaining Waystar Holding Corp position as of Q4 2025 after selling out during the quarter.
  • Custom Index Systems sold 8,537 Waystar Holding Corp shares in Q4 2025, an estimated $324K.
  • Custom Index Systems first reported a position in Waystar Holding Corp in Q1 2025 and held it in 3 quarters.
  • Custom Index Systems's Waystar Holding Corp position peaked at $544K in Q2 2025.
  • 300 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q4 2025.

Based on Custom Index Systems's 13F filing for Q4 2025, filed 12 Feb 2026.