VCM
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Violich Capital Management’s ACM Research ACMR Stock Holding History

Violich 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
Q3 		$352K Sell
4,350
-1,000
-19% -$81K 0.04% 94
2026
Q2 		$679K Hold
5,350
– – 0.07% 72
2026
Q1 		$211K Sell
5,350
-550
-9% -$29.2K 0.02% 116
2025
Q4 		$233K Hold
5,900
– – 0.03% 108
2025
Q3 		$231K Buy
+5,900
New +$175K 0.03% 100

Other funds holding ACMR

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Capital World Investors
Capital World Investors Los Angeles, California $824B AUM 37.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Violich Capital Management's ACMR Position: Q3 2026 in Review

Violich Capital Management reduced its ACM Research (ACMR) stake by 19% in Q3 2026, selling an estimated $81K and leaving 4,350 shares worth $352K. The position accounts for 0.04% of the portfolio, ranked #94.

Violich Capital Management first reported a position in ACMR in Q3 2025 and has held it in 5 quarters since. The position peaked at $679K in Q2 2026. 296 funds tracked by Wall St. Rank hold ACMR as of Q3 2026.

  • Violich Capital Management held 4,350 shares of ACM Research worth $352K as of Q3 2026.
  • Violich Capital Management sold 1,000 ACM Research shares in Q3 2026, an estimated $81K.
  • ACM Research made up 0.04% of Violich Capital Management's portfolio in Q3 2026, its #94 holding.
  • Violich Capital Management first reported a position in ACM Research in Q3 2025 and has held it in 5 quarters since.
  • Violich Capital Management's ACM Research position peaked at $679K in Q2 2026.
  • 296 funds tracked by Wall St. Rank held ACM Research as of Q3 2026.

Based on Violich Capital Management's 13F filing for Q3 2026, filed 5 Oct 2026.