RhumbLine Advisers
ACMR icon

RhumbLine Advisers’s ACM Research ACMR Stock Holding History

RhumbLine Advisers’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 		$16.4M Sell
128,979
-13,032
-9% -$921K 0.01% 857
2026
Q1 		$5.59M Buy
142,011
+3,863
+3% +$205K ﹤0.01% 1349
2025
Q4 		$5.45M Sell
138,148
-9,646
-7% -$359K ﹤0.01% 1353
2025
Q3 		$5.78M Buy
147,794
+66,329
+81% +$1.97M ﹤0.01% 1352
2025
Q2 		$2.11M Buy
81,465
+5,049
+7% +$114K ﹤0.01% 1856
2025
Q1 		$1.78M Buy
76,416
+2,677
+4% +$61.1K ﹤0.01% 1865
2024
Q4 		$1.11M Buy
73,739
+589
+0.8% +$10.6K ﹤0.01% 2202
2024
Q3 		$1.48M Sell
73,150
-3,304
-4% -$63.3K ﹤0.01% 2057
2024
Q2 		$1.76M Sell
76,454
-810
-1% -$20.5K ﹤0.01% 1951
2024
Q1 		$2.25M Buy
77,264
+2,080
+3% +$47.6K ﹤0.01% 1854
2023
Q4 		$1.47M Buy
75,184
+803
+1% +$14K ﹤0.01% 2069
2023
Q3 		$1.35M Sell
74,381
-155
-0.2% -$2.31K ﹤0.01% 2054
2023
Q2 		$975K Sell
74,536
-285
-0.4% -$3K ﹤0.01% 2303
2023
Q1 		$875K Buy
74,821
+4,511
+6% +$52.2K ﹤0.01% 2182
2022
Q4 		$542K Buy
70,310
+126
+0.2% +$1.07K ﹤0.01% 2428
2022
Q3 		$874K Buy
70,184
+4,911
+8% +$79.9K ﹤0.01% 2210
2022
Q2 		$1.1M Buy
+65,273
New +$1.01M ﹤0.01% 2092

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 $3.38T AUM 44.17% 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

RhumbLine Advisers's ACMR Position: Q2 2026 in Review

RhumbLine Advisers reduced its ACM Research (ACMR) stake by 9.2% in Q2 2026, selling an estimated $921K and leaving 128,979 shares worth $16.4M. The position accounts for 0.01% of the portfolio, ranked #857.

RhumbLine Advisers first reported a position in ACMR in Q2 2022 and has held it in 17 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • RhumbLine Advisers held 128,979 shares of ACM Research worth $16.4M as of Q2 2026.
  • RhumbLine Advisers sold 13,032 ACM Research shares in Q2 2026, an estimated $921K.
  • ACM Research made up 0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #857 holding.
  • RhumbLine Advisers first reported a position in ACM Research in Q2 2022 and has held it in 17 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.