Two Sigma Advisers’s ACM Research ACMR Stock Holding History

Two Sigma Advisers’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	-35,400	Closed	-$1.39M	–	2332
2025 Q3	$1.39M	Buy	+35,400	New	+$1.05M	﹤0.01%	1307
2024 Q2	–	Sell	-122,700	Closed	-$3.58M	–	2416
2024 Q1	$3.58M	Buy	+122,700	New	+$2.81M	0.01%	928
2023 Q3	–	Sell	-74,500	Closed	-$974K	–	2367
2023 Q2	$974K	Sell	74,500 -11,300	-13%	-$119K	﹤0.01%	1546
2023 Q1	$1M	Buy	85,800 +62,600	+270%	+$724K	﹤0.01%	1628
2022 Q4	$179K	Buy	+23,200	New	+$197K	﹤0.01%	2208
2021 Q1	–	Sell	-25,800	Closed	-$699K	–	2529
2020 Q4	$699K	Sell	25,800 -36,300	-58%	-$929K	﹤0.01%	1736
2020 Q3	$1.43M	Buy	62,100 +15,000	+32%	+$426K	﹤0.01%	1337
2020 Q2	$979K	Buy	+47,100	New	+$773K	﹤0.01%	1590
2020 Q1	–	Sell	-58,500	Closed	-$360K	–	2442
2019 Q4	$360K	Buy	58,500 +7,800	+15%	+$38.4K	﹤0.01%	2000
2019 Q3	$234K	Buy	+50,700	New	+$266K	﹤0.01%	1999

Other funds holding ACMR

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

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

Triata Capital Hong Kong $552M AUM 2.89% 1-Year Est. Return

SAM

Southeastern Asset Management Memphis, Tennessee $2.03B AUM 7.06% 1-Year Est. Return

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

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

Two Sigma Advisers's ACMR Position: Q4 2025 in Review

Two Sigma Advisers sold out of ACM Research (ACMR) in Q4 2025, closing a stake of 35,400 shares — an estimated $1.39M sold.

Two Sigma Advisers first reported a position in ACMR in Q3 2019 and held it in 10 quarters. The position peaked at $3.58M in Q1 2024. 277 funds tracked by Wall St. Rank hold ACMR as of Q4 2025.

Two Sigma Advisers reported no remaining ACM Research position as of Q4 2025 after selling out during the quarter.
Two Sigma Advisers sold 35,400 ACM Research shares in Q4 2025, an estimated $1.39M.
Two Sigma Advisers first reported a position in ACM Research in Q3 2019 and held it in 10 quarters.
Two Sigma Advisers's ACM Research position peaked at $3.58M in Q1 2024.
277 funds tracked by Wall St. Rank held ACM Research as of Q4 2025.

Based on Two Sigma Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.