PCM
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Penn Capital Management’s ACM Research ACMR Stock Holding History

Penn 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 		$36.3M Sell
285,790
-111,976
-28% -$7.92M 2.3% 2
2026
Q1 		$15.7M Sell
397,766
-38,077
-9% -$2.02M 1.22% 36
2025
Q4 		$17.2M Buy
+435,843
New +$16.2M 1.37% 19

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

Penn Capital Management's ACMR Position: Q2 2026 in Review

Penn Capital Management reduced its ACM Research (ACMR) stake by 28% in Q2 2026, selling an estimated $7.92M and leaving 285,790 shares worth $36.3M. The position accounts for 2.3% of the portfolio, ranked #2.

Penn Capital Management first reported a position in ACMR in Q4 2025 and has held it in 3 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Penn Capital Management held 285,790 shares of ACM Research worth $36.3M as of Q2 2026.
  • Penn Capital Management sold 111,976 ACM Research shares in Q2 2026, an estimated $7.92M.
  • ACM Research made up 2.3% of Penn Capital Management's portfolio in Q2 2026, its #2 holding.
  • Penn Capital Management first reported a position in ACM Research in Q4 2025 and has held it in 3 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Penn Capital Management's 13F filing for Q2 2026, filed 30 Jul 2026.