YMRC
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Yorktown Management & Research Company’s ACM Research ACMR Stock Holding History

Yorktown Management & Research Company’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 		$1.69M Hold
13,300
– – 1.03% 11
2026
Q1 		$523K Hold
13,300
– – 0.44% 77
2025
Q4 		$525K Hold
13,300
– – 0.42% 86
2025
Q3 		$520K Hold
13,300
– – 0.41% 86
2025
Q2 		$344K Buy
+13,300
New +$299K 0.33% 141

Other funds holding ACMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
PCP
Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Mitsubishi UFJ Trust & Banking
Mitsubishi UFJ Trust & Banking Tokyo, Japan $45.7B AUM 34.08% 1-Year Est. Return
RBI
Raiffeisen Bank International Vienna, Austria $8.53B AUM 46.94% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Yorktown Management & Research Company's ACMR Position: Q2 2026 in Review

Yorktown Management & Research Company held its ACM Research (ACMR) position steady in Q2 2026 at 13,300 shares worth $1.69M. The position accounts for 1.03% of the portfolio, ranked #11.

Yorktown Management & Research Company first reported a position in ACMR in Q2 2025 and has held it in 5 quarters since. 187 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Yorktown Management & Research Company held 13,300 shares of ACM Research worth $1.69M as of Q2 2026.
  • Yorktown Management & Research Company left its ACM Research share count unchanged in Q2 2026.
  • ACM Research made up 1.03% of Yorktown Management & Research Company's portfolio in Q2 2026, its #11 holding.
  • Yorktown Management & Research Company first reported a position in ACM Research in Q2 2025 and has held it in 5 quarters since.
  • 187 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Yorktown Management & Research Company's 13F filing for Q2 2026, filed 23 Jul 2026.