Fidelity Investments
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Fidelity Investments’s ACM Research ACMR Stock Holding History

Fidelity Investments’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 		$85.3M Buy
672,184
+42,940
+7% +$3.04M ﹤0.01% 1288
2026
Q1 		$24.8M Sell
629,244
-174,422
-22% -$9.26M ﹤0.01% 1703
2025
Q4 		$31.7M Buy
803,666
+555,495
+224% +$20.7M ﹤0.01% 1609
2025
Q3 		$9.71M Buy
248,171
+64,978
+35% +$1.93M ﹤0.01% 2011
2025
Q2 		$4.74M Buy
183,193
+3,074
+2% +$69.1K ﹤0.01% 2194
2025
Q1 		$4.2M Buy
180,119
+110,582
+159% +$2.53M ﹤0.01% 2201
2024
Q4 		$1.05M Buy
69,537
+54,352
+358% +$982K ﹤0.01% 2650
2024
Q3 		$308K Buy
15,185
+12,685
+507% +$243K ﹤0.01% 3043
2024
Q2 		$57.7K Sell
2,500
-760
-23% -$19.2K ﹤0.01% 3543
2024
Q1 		$95K Buy
3,260
+1,660
+104% +$38K ﹤0.01% 3305
2023
Q4 		$31.3K Buy
1,600
+27
+2% +$472 ﹤0.01% 3733
2023
Q3 		$28.5K Buy
1,573
+264
+20% +$3.92K ﹤0.01% 3634
2023
Q2 		$17.1K Sell
1,309
-59,378
-98% -$625K ﹤0.01% 3928
2023
Q1 		$710K Buy
60,687
+59,980
+8,484% +$694K ﹤0.01% 2597
2022
Q4 		$5.45K Sell
707
-860
-55% -$7.29K ﹤0.01% 4219
2022
Q3 		$19K Buy
1,567
+1,275
+437% +$20.7K ﹤0.01% 3867
2022
Q2 		$5K Buy
+292
New +$4.5K ﹤0.01% 4292
2021
Q4 		– Sell
-3
Closed – – 4262
2021
Q3 		$0 Buy
+3
New +$92 ﹤0.01% 4263
2021
Q2 		– Sell
-227,322
Closed -$6.12M – 4171
2021
Q1 		$6.12M Buy
+227,322
New +$7.51M ﹤0.01% 2199

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

Fidelity Investments's ACMR Position: Q2 2026 in Review

Fidelity Investments increased its ACM Research (ACMR) stake by 6.8% in Q2 2026, buying an estimated $3.04M and bringing the position to 672,184 shares worth $85.3M. The position accounts for ﹤0.01% of the portfolio, ranked #1288.

Fidelity Investments first reported a position in ACMR in Q1 2021 and has held it in 19 quarters since. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Fidelity Investments held 672,184 shares of ACM Research worth $85.3M as of Q2 2026.
  • Fidelity Investments bought 42,940 ACM Research shares in Q2 2026, an estimated $3.04M.
  • ACM Research made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #1288 holding.
  • Fidelity Investments first reported a position in ACM Research in Q1 2021 and has held it in 19 quarters since.
  • 373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.