Tudor Investment Corp’s ACM Research ACMR Stock Holding History

Tudor Investment Corp’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
2025 Q4	–	Sell	-74,474	Closed	-$2.78M	–	3434
2025 Q3	$2.91M	Sell	74,474 -166,268	-69%	-$4.94M	0.01%	1552
2025 Q2	$6.24M	Sell	240,742 -46,365	-16%	-$1.04M	0.01%	954
2025 Q1	$6.7M	Buy	+287,107	New	+$6.56M	0.02%	660
2021 Q2	–	Sell	-8,940	Closed	-$241K	–	1565
2021 Q1	$241K	Buy	+8,940	New	+$296K	﹤0.01%	1377

Other funds holding ACMR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return

PCP

Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Tudor Investment Corp's ACMR Position: Q4 2025 in Review

Tudor Investment Corp sold out of ACM Research (ACMR) in Q4 2025, closing a stake of 74,474 shares — an estimated $2.78M sold.

Tudor Investment Corp first reported a position in ACMR in Q1 2021 and held it in 4 quarters. The position peaked at $6.7M in Q1 2025. 277 funds tracked by Wall St. Rank hold ACMR as of Q4 2025.

Tudor Investment Corp reported no remaining ACM Research position as of Q4 2025 after selling out during the quarter.
Tudor Investment Corp sold 74,474 ACM Research shares in Q4 2025, an estimated $2.78M.
Tudor Investment Corp first reported a position in ACM Research in Q1 2021 and held it in 4 quarters.
Tudor Investment Corp's ACM Research position peaked at $6.7M in Q1 2025.
277 funds tracked by Wall St. Rank held ACM Research as of Q4 2025.

Based on Tudor Investment Corp's 13F filing for Q4 2025, filed 17 Feb 2026.