Dark Forest Capital Management’s ACM Research ACMR Stock Holding History

Dark Forest Capital Management’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	$464K	Buy	+3,657	New	+$259K	0.03%	664
2025 Q4	–	Sell	-24,096	Closed	-$943K	–	939
2025 Q3	$943K	Buy	24,096 +9,094	+61%	+$270K	0.04%	761
2025 Q2	$389K	Sell	15,002 -65,579	-81%	-$1.47M	0.02%	980
2025 Q1	$1.88M	Buy	+80,581	New	+$1.84M	0.09%	403
2024 Q3	–	Sell	-64,367	Closed	-$1.48M	–	941
2024 Q2	$1.48M	Sell	64,367 -18,579	-22%	-$470K	0.27%	52
2024 Q1	$2.42M	Sell	82,946 -24,232	-23%	-$555K	0.41%	33
2023 Q4	$2.09M	Buy	107,178 +4,689	+5%	+$82K	0.31%	55
2023 Q3	$1.86M	Buy	102,489 +88,074	+611%	+$1.31M	0.14%	162
2023 Q2	$189K	Buy	+14,415	New	+$152K	0.02%	953
2023 Q1	–	Sell	-577	Closed	-$4.45K	–	1156
2022 Q4	$4.45K	Buy	+577	New	+$4.89K	﹤0.01%	881
2022 Q1	–	Sell	-231	Closed	-$7K	–	1218
2021 Q4	$7K	Sell	231 -243	-51%	-$7.68K	﹤0.01%	1030
2021 Q3	$17K	Buy	+474	New	+$14.5K	0.01%	859

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

Dark Forest Capital Management's ACMR Position: Q2 2026 in Review

Dark Forest Capital Management opened a new position in ACM Research (ACMR) in Q2 2026: 3,657 shares worth $464K. The stake represents 0.03% of the portfolio and ranks #664 among its holdings. This is a return to the name: Dark Forest Capital Management previously reported a position in ACMR as recently as Q3 2025.

Dark Forest Capital Management first reported a position in ACMR in Q3 2021 and has held it in 12 quarters since. The position peaked at $2.42M in Q1 2024. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

Dark Forest Capital Management held 3,657 shares of ACM Research worth $464K as of Q2 2026.
ACM Research was a new Dark Forest Capital Management position in Q2 2026.
ACM Research made up 0.03% of Dark Forest Capital Management's portfolio in Q2 2026, its #664 holding.
Dark Forest Capital Management first reported a position in ACM Research in Q3 2021 and has held it in 12 quarters since.
Dark Forest Capital Management's ACM Research position peaked at $2.42M in Q1 2024.
376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.