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ACM Research, Inc.

ACMR
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0001680062

In the last 90 days, ACM Research, Inc. insiders filed 0 open-market purchases and 3 sales; 377 institutions reported holding it in 13F filings for Q2 2026, worth $6.11B in total; 3 superinvestors hold it, including Southeastern Asset Management (Longleaf) and Soros Fund Management.

13F holders, Q1 2025

Institutional positions in ACM Research, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
244
+62 vs. Q4 2024
Shares held
35.9M
+304.0K (+0.9%) vs. Q4 2024
Total value
$838.6M
+$301.1M (+56.0%) vs. Q4 2024
New holders
86
69 more added
Sold out
24
66 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACMR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 244 institutions
Q1 2021: 94 institutionsQ2 2021: 94 institutionsQ3 2021: 96 institutionsQ4 2021: 100 institutionsQ1 2022: 96 institutionsQ2 2022: 98 institutionsQ3 2022: 117 institutionsQ4 2022: 123 institutionsQ1 2023: 130 institutionsQ2 2023: 122 institutionsQ3 2023: 154 institutionsQ4 2023: 156 institutionsQ1 2024: 200 institutionsQ2 2024: 201 institutionsQ3 2024: 185 institutionsQ4 2024: 183 institutionsQ1 2025: 244 institutionsQ2 2025: 243 institutionsQ3 2025: 260 institutionsQ4 2025: 279 institutionsQ1 2026: 301 institutionsQ2 2026: 377 institutions
Value heldQ1 2025: $838.6M
Q1 2021: $586.5MQ2 2021: $753.5MQ3 2021: $979.6MQ4 2021: $747.5MQ1 2022: $606.7MQ2 2022: $607.2MQ3 2022: $434.9MQ4 2022: $235.2MQ1 2023: $343.6MQ2 2023: $382.7MQ3 2023: $562.8MQ4 2023: $642.8MQ1 2024: $956.1MQ2 2024: $774.0MQ3 2024: $656.9MQ4 2024: $539.4MQ1 2025: $838.6MQ2 2025: $969.2MQ3 2025: $1.63BQ4 2025: $1.79BQ1 2026: $1.74BQ2 2026: $6.11B
Institutions holding ACMR and their total value by quarter
QuarterHoldersValue
Q2 2026377$6.11B
Q1 2026301$1.74B
Q4 2025279$1.79B
Q3 2025260$1.63B
Q2 2025243$969.2M
Q1 2025244$838.6M
Q4 2024183$539.4M
Q3 2024185$656.9M
Q2 2024201$774.0M
Q1 2024200$956.1M
Q4 2023156$642.8M
Q3 2023154$562.8M
Q2 2023122$382.7M
Q1 2023130$343.6M
Q4 2022123$235.2M
Q3 2022117$434.9M
Q2 202298$607.2M
Q1 202296$606.7M
Q4 2021100$747.5M
Q3 202196$979.6M
Q2 202194$753.5M
Q1 202194$586.5M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q4 2024.

Institutions holding ACMR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ameriprise Financial Inc144,653$3.38M0.00%−42,948−22.9%Reduced
Yong Rong (HK) Asset Management Ltd150,000$3.50M0.82%00.0%Unchanged
Acadian Asset Management LLC167,425$3.90M0.01%+167,425New
Honeycomb Asset Management LP173,700$4.05M1.94%+173,700New
FMR LLC180,119$4.20M0.00%+110,582+159.0%Added
Osterweis Capital Management Inc209,561$4.89M0.24%−25,930−11.0%Reduced
Bank of New York Mellon Corp214,017$5.00M0.00%+4,108+2.0%Added
Kerrisdale Advisers, LLC214,397$5.00M2.09%−1,733,606−89.0%Reduced
UBS Group AG231,316$5.40M0.00%−900,249−79.6%Reduced
AQR Capital Management LLC243,819$5.69M0.01%−114,431−31.9%Reduced
Matthews International Capital Management LLC248,226$5.79M1.20%−14,225−5.4%Reduced
Deutsche Bank AG251,145$5.86M0.00%−31,770−11.2%Reduced
Trexquant Investment LP271,343$6.33M0.07%−301,527−52.6%Reduced
Yiheng Capital Management, L.P.280,201$6.54M2.30%−400,403−58.8%Reduced
Tudor Investment Corp Et Al287,107$6.70M0.06%+287,107New
Bank of America Corp288,875$6.74M0.00%+213,724+284.4%Added
BNP Paribas Arbitrage, SA295,063$6.89M0.01%+201,202+214.4%Added
Oberweis Asset Management Inc296,948$6.93M0.35%−188,252−38.8%Reduced
Amundi337,606$7.55M0.00%+337,606New
Citigroup Inc342,819$8.00M0.01%−897−0.3%Reduced
Oasis Management Co Ltd.353,709$8.26M2.77%−20,000−5.4%Reduced
Goldman Sachs Group Inc375,938$8.77M0.00%−23,701−5.9%Reduced
Charles Schwab Investment Management Inc402,163$9.39M0.00%−6,520−1.6%Reduced
Susquehanna International Group, LLP444,755$10.4M0.02%+221,106+98.9%Added
Citadel Advisors LLC453,141$10.6M0.01%+97,400+27.4%Added
Morgan Stanley474,736$11.1M0.00%+62,283+15.1%Added
Steamboat Capital Partners, LLC475,000$11.1M3.35%−273,925−36.6%Reduced
Jane Street Group, LLC476,089$11.1M0.02%+435,294+1,067.0%Added
Northern Trust Corp512,326$12.0M0.00%−21,917−4.1%Reduced
Raiffeisen Bank International AG500,000$12.3M0.20%−200,000−28.6%Reduced
JPMorgan Chase & Co537,348$12.5M0.00%+513,874+2,189.1%Added
UBS Asset Management Americas Inc716,560$16.7M0.00%−458,160−39.0%Reduced
Point72 Hong Kong Ltd761,157$17.8M1.27%+761,157New
Broad Bay Capital Management, LP905,494$21.1M3.18%+905,494New
Point72 Asset Management, L.P.934,101$21.8M0.06%+934,101New
Pertento Partners LLP1,024,632$23.9M2.86%−160,405−13.5%Reduced
Federated Hermes, Inc.1,072,752$25.0M0.05%+1,064,482+12,871.6%Added
Geode Capital Management, LLC1,216,665$28.4M0.00%+31,793+2.7%Added
State Street Corp1,237,323$28.9M0.00%−13,675−1.1%Reduced
Invesco Ltd.1,339,102$31.3M0.01%+206,149+18.2%Added
Triata Capital Ltd1,371,125$32.0M7.24%+344,158+33.5%Added
Mitsubishi UFJ Trust & Banking Corp1,653,235$38.6M0.10%+183,964+12.5%Added
Vanguard Group Inc4,055,346$94.7M0.00%−146,057−3.5%Reduced
BlackRock, Inc.4,212,456$98.3M0.00%−690,735−14.1%Reduced
Proequities, Inc.0$00.00%−268−100.0%Sold out
Panview Capital Ltd0$00.00%−1,374,699−100.0%Sold out
PEAK6 LLC0$00.00%−142,516−100.0%Sold out
Richard P Slaughter Associates Inc0$00.00%−123,084−100.0%Sold out
Carmignac Gestion0$00.00%−109,861−100.0%Sold out
Ossiam0$00.00%−85,400−100.0%Sold out
Danske Bank A/S0$00.00%−33,939−100.0%Sold out
Man Group plc0$00.00%−24,505−100.0%Sold out
Mariner, LLC0$00.00%−24,239−100.0%Sold out
Harbour Capital Advisors, LLC0$00.00%−19,325−100.0%Sold out
Central Asset Investments & Management Holdings (HK) Ltd0$00.00%−19,167−100.0%Sold out
HSBC Holdings PLC0$00.00%−17,383−100.0%Sold out
Corton Capital Inc.0$00.00%−17,361−100.0%Sold out
Aristides Capital LLC0$00.00%−13,500−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−12,643−100.0%Sold out
Atria Wealth Solutions, Inc.0$00.00%−12,179−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−10,906−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−10,465−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−10,000−100.0%Sold out
Quarry LP0$00.00%−545−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−251−100.0%Sold out
Private Trust Co NA0$00.00%−100−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−44−100.0%Sold out
IFP Advisors, Inc0$00.00%−21−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed