Question 1

Does Marshall Wace own ACMR stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Marshall Wace holds 5,637 shares of ACMR (ACM Research), worth $715,278.

Question 2

How many shares of ACMR does Marshall Wace own?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace holds 5,637 shares of ACMR (ACM Research).

Question 3

What is Marshall Wace's ACMR position worth?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace's ACMR position is worth $715,278.

Question 4

Is Marshall Wace buying or selling ACMR?

Accepted Answer

In Q2 2026, Marshall Wace reduced its ACMR position by 90 shares (-1.6%).

Question 5

When did Marshall Wace first buy ACMR?

Accepted Answer

Marshall Wace first reported ACMR in its Q1 2019 13F and has listed it in 16 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	5,637	-1.6%	$715,278	0.0%	$126.89	0
2026-Q1	New	5,727	—	$225,357	0.0%	$39.35	32
2025-Q4	Exited	0	-100.0%	$0	0.0%	$39.45	0
2025-Q3	Decreased	113,530	-51.5%	$4.4M	0.0%	$39.13	0
2025-Q2	Increased	234,207	+527.3%	$6.1M	0.0%	$25.90	44
2025-Q1	New	37,334	—	$871,376	0.0%	$23.34	34
2024-Q4	Exited	0	-100.0%	$0	0.0%	$15.10	0
2024-Q3	Decreased	14,555	-18.7%	$295,467	0.0%	$20.30	0