Marshall Wace’s ECARX Holdings ECX Stock Holding History

Marshall Wace’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 Q2	$687K	Sell	532,342 -225,775	-30%	-$257K	﹤0.01%	2382
2026 Q1	$743K	Buy	758,117 +510,285	+206%	+$810K	﹤0.01%	2278
2025 Q4	$426K	Buy	+247,832	New	+$502K	﹤0.01%	2307
2025 Q2	–	Sell	-31,990	Closed	-$40.3K	–	2819
2025 Q1	$40.3K	Sell	31,990 -84,336	-72%	-$180K	﹤0.01%	2543
2024 Q4	$245K	Buy	+116,326	New	+$215K	﹤0.01%	2293
2024 Q1	–	Sell	-16,301	Closed	-$51.5K	–	2533
2023 Q4	$51.5K	Sell	16,301 -2,407	-13%	-$7.9K	﹤0.01%	2075
2023 Q3	$58K	Buy	+18,708	New	+$82.7K	﹤0.01%	2078

Other funds holding ECX

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Tudor Investment Corp Stamford, Connecticut $71.9B AUM 42.37% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

CCS

Concentric Capital Strategies Stamford, Connecticut $1.8B AUM 51.77% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Marshall Wace's ECX Position: Q2 2026 in Review

Marshall Wace reduced its ECARX Holdings (ECX) stake by 30% in Q2 2026, selling an estimated $257K and leaving 532,342 shares worth $687K. The position accounts for ﹤0.01% of the portfolio, ranked #2382.

Marshall Wace first reported a position in ECX in Q3 2023 and has held it in 7 quarters since. The position peaked at $743K in Q1 2026. 39 funds tracked by Wall St. Rank hold ECX as of Q2 2026.

Marshall Wace held 532,342 shares of ECARX Holdings worth $687K as of Q2 2026.
Marshall Wace sold 225,775 ECARX Holdings shares in Q2 2026, an estimated $257K.
ECARX Holdings made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2382 holding.
Marshall Wace first reported a position in ECARX Holdings in Q3 2023 and has held it in 7 quarters since.
Marshall Wace's ECARX Holdings position peaked at $743K in Q1 2026.
39 funds tracked by Wall St. Rank held ECARX Holdings as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.