Renaissance Technologies
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Renaissance Technologies’s ECARX Holdings ECX Stock Holding History

Renaissance Technologies’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 		$1.97M Buy
2,015,600
+173,500
+9% +$275K ﹤0.01% 1906
2025
Q4 		$3.17M Buy
1,842,100
+667,800
+57% +$1.35M ﹤0.01% 1606
2025
Q3 		$2.36M Buy
1,174,300
+385,400
+49% +$684K ﹤0.01% 1963
2025
Q2 		$1.62M Buy
788,900
+83,724
+12% +$121K ﹤0.01% 2247
2025
Q1 		$889K Buy
705,176
+406,749
+136% +$869K ﹤0.01% 2487
2024
Q4 		$630K Buy
+298,427
New +$550K ﹤0.01% 2741

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State Street
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Legal & General Group
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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
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Renaissance Technologies's ECX Position: Q1 2026 in Review

Renaissance Technologies increased its ECARX Holdings (ECX) stake by 9.4% in Q1 2026, buying an estimated $275K and bringing the position to 2,015,600 shares worth $1.97M. The position accounts for ﹤0.01% of the portfolio, ranked #1906.

Renaissance Technologies first reported a position in ECX in Q4 2024 and has held it in 6 quarters since. The position peaked at $3.17M in Q4 2025. 39 funds tracked by Wall St. Rank hold ECX as of Q1 2026.

  • Renaissance Technologies held 2,015,600 shares of ECARX Holdings worth $1.97M as of Q1 2026.
  • Renaissance Technologies bought 173,500 ECARX Holdings shares in Q1 2026, an estimated $275K.
  • ECARX Holdings made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1906 holding.
  • Renaissance Technologies first reported a position in ECARX Holdings in Q4 2024 and has held it in 6 quarters since.
  • Renaissance Technologies's ECARX Holdings position peaked at $3.17M in Q4 2025.
  • 39 funds tracked by Wall St. Rank held ECARX Holdings as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.