XT
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XTX Topco’s ECARX Holdings ECX Stock Holding History

XTX Topco’s Portfolio ECX Stock Details ECX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$210K Buy
214,568
+180,209
+524% +$286K ﹤0.01% 2812
2025
Q4 		$59.1K Sell
34,359
-117,297
-77% -$238K ﹤0.01% 2787
2025
Q3 		$305K Buy
+151,656
New +$269K 0.02% 1491
2025
Q2 		– Sell
-105,342
Closed -$133K – 2552
2025
Q1 		$133K Buy
105,342
+80,833
+330% +$173K 0.01% 1798
2024
Q4 		$51.7K Buy
+24,509
New +$45.2K ﹤0.01% 1888
2024
Q1 		– Sell
-31,714
Closed -$100K – 1953
2023
Q4 		$100K Buy
+31,714
New +$104K 0.02% 1118

Other funds holding ECX

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Tudor Investment Corp
Tudor Investment Corp Stamford, Connecticut $53.9B AUM 29.12% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

XTX Topco's ECX Position: Q1 2026 in Review

XTX Topco increased its ECARX Holdings (ECX) stake by 524% in Q1 2026, buying an estimated $286K and bringing the position to 214,568 shares worth $210K. The position accounts for ﹤0.01% of the portfolio, ranked #2812.

XTX Topco first reported a position in ECX in Q4 2023 and has held it in 6 quarters since. The position peaked at $305K in Q3 2025. 39 funds tracked by Wall St. Rank hold ECX as of Q1 2026.

  • XTX Topco held 214,568 shares of ECARX Holdings worth $210K as of Q1 2026.
  • XTX Topco bought 180,209 ECARX Holdings shares in Q1 2026, an estimated $286K.
  • ECARX Holdings made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2812 holding.
  • XTX Topco first reported a position in ECARX Holdings in Q4 2023 and has held it in 6 quarters since.
  • XTX Topco's ECARX Holdings position peaked at $305K in Q3 2025.
  • 39 funds tracked by Wall St. Rank held ECARX Holdings as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.