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Joel Greenblatt’s ACM Research ACMR Stock Holding History

Joel Greenblatt’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 		$383K Buy
+3,017
New +$213K ﹤0.01% 1579
2025
Q3 		– Sell
-64,750
Closed -$1.68M – 1678
2025
Q2 		$1.68M Buy
+64,750
New +$1.46M 0.01% 983

Other funds holding ACMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
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
WA
WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Joel Greenblatt's ACMR Position: Q2 2026 in Review

Joel Greenblatt opened a new position in ACM Research (ACMR) in Q2 2026: 3,017 shares worth $383K. The stake represents ﹤0.01% of the portfolio and ranks #1579 among its holdings. This is a return to the name: Joel Greenblatt previously reported a position in ACMR as recently as Q2 2025.

Joel Greenblatt first reported a position in ACMR in Q2 2025 and has held it in 2 quarters since. The position peaked at $1.68M in Q2 2025. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Joel Greenblatt held 3,017 shares of ACM Research worth $383K as of Q2 2026.
  • ACM Research was a new Joel Greenblatt position in Q2 2026.
  • ACM Research made up ﹤0.01% of Joel Greenblatt's portfolio in Q2 2026, its #1579 holding.
  • Joel Greenblatt first reported a position in ACM Research in Q2 2025 and has held it in 2 quarters since.
  • Joel Greenblatt's ACM Research position peaked at $1.68M in Q2 2025.
  • 373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.