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Yiheng Capital Management’s ACM Research ACMR Stock Holding History

Yiheng 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
2023
Q3 		– Sell
-831,800
Closed -$10.9M – 36
2023
Q2 		$10.9M Sell
831,800
-822,900
-50% -$8.67M 0.59% 20
2023
Q1 		$19.4M Buy
1,654,700
+996,400
+151% +$11.5M 0.77% 20
2022
Q4 		$5.08M Sell
658,300
-737,400
-53% -$6.25M 0.22% 24
2022
Q3 		$17.4M Buy
+1,395,700
New +$22.7M 1.07% 18
2022
Q2 		– Sell
-459,000
Closed -$9.5M – 36
2022
Q1 		$9.5M Buy
+459,000
New +$11.6M 0.43% 28

Other funds holding ACMR

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Janus Henderson Group
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

Yiheng Capital Management's ACMR Position: Q1 2026 in Review

Yiheng Capital Management sold out of ACM Research (ACMR) in Q1 2026, closing a stake of 174,447 shares — an estimated $6.88M sold.

Yiheng Capital Management first reported a position in ACMR in Q1 2020 and held it in 23 quarters. The position peaked at $121M in Q4 2021. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Yiheng Capital Management reported no remaining ACM Research position as of Q1 2026 after selling out during the quarter.
  • Yiheng Capital Management sold 174,447 ACM Research shares in Q1 2026, an estimated $6.88M.
  • Yiheng Capital Management first reported a position in ACM Research in Q1 2020 and held it in 23 quarters.
  • Yiheng Capital Management's ACM Research position peaked at $121M in Q4 2021.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Yiheng Capital Management's 13F filing for Q1 2026, filed 15 May 2026.