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Diametric Capital’s ACM Research ACMR Stock Holding History

Diametric Capital’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 		$2.13M Buy
16,808
+8,253
+96% +$584K 0.22% 78
2026
Q1 		$337K Sell
8,555
-26,474
-76% -$1.41M 0.09% 316
2025
Q4 		$1.38M Buy
35,029
+27,423
+361% +$1.02M 0.37% 63
2025
Q3 		$298K Sell
7,606
-2,003
-21% -$59.5K 0.11% 239
2025
Q2 		$249K Sell
9,609
-3,307
-26% -$74.4K 0.13% 218
2025
Q1 		$301K Buy
+12,916
New +$295K 0.36% 100

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

Diametric Capital's ACMR Position: Q2 2026 in Review

Diametric Capital increased its ACM Research (ACMR) stake by 96% in Q2 2026, buying an estimated $584K and bringing the position to 16,808 shares worth $2.13M. The position accounts for 0.22% of the portfolio, ranked #78.

Diametric Capital first reported a position in ACMR in Q1 2025 and has held it in 6 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Diametric Capital held 16,808 shares of ACM Research worth $2.13M as of Q2 2026.
  • Diametric Capital bought 8,253 ACM Research shares in Q2 2026, an estimated $584K.
  • ACM Research made up 0.22% of Diametric Capital's portfolio in Q2 2026, its #78 holding.
  • Diametric Capital first reported a position in ACM Research in Q1 2025 and has held it in 6 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

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