Magnetar Financial’s ACM Research ACMR Stock Holding History

Magnetar Financial’s Portfolio ACMR Stock Details ACMR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-18,303	Closed	-$720K	–	1141
2026 Q1	$720K	Buy	+18,303	New	+$972K	0.01%	548

Other funds holding ACMR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

VARA

Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return

WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Magnetar Financial's ACMR Position: Q2 2026 in Review

Magnetar Financial sold out of ACM Research (ACMR) in Q2 2026, closing a stake of 18,303 shares — an estimated $720K sold.

Magnetar Financial first reported a position in ACMR in Q1 2026 and held it in 1 quarter. The position peaked at $720K in Q1 2026. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

Magnetar Financial reported no remaining ACM Research position as of Q2 2026 after selling out during the quarter.
Magnetar Financial sold 18,303 ACM Research shares in Q2 2026, an estimated $720K.
Magnetar Financial first reported a position in ACM Research in Q1 2026 and held it in 1 quarter.
Magnetar Financial's ACM Research position peaked at $720K in Q1 2026.
373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.