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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
KLP Kapitalforvaltning AS13,700$319.8K0.00%00.0%Unchanged
Voya Investment Management LLC13,730$320.5K0.00%−1,568−10.2%Reduced
Fox Run Management, L.L.C.13,811$322.3K0.05%+13,811New
Guggenheim Capital LLC13,983$326.4K0.00%−7,998−36.4%Reduced
Beacon Financial Advisory LLC14,030$327.5K0.10%−465−3.2%Reduced
Versor Investments LP14,100$329.1K0.05%+14,100New
Arizona State Retirement System14,855$346.7K0.00%−109−0.7%Reduced
MML Investors Services, LLC15,224$355.0K0.00%−3,113−17.0%Reduced
Glenmede Trust Co NA15,760$367.8K0.00%00.0%Unchanged
New York State Common Retirement Fund15,813$369.1K0.00%00.0%Unchanged
Brinker Capital Investments, LLC16,311$380.7K0.00%+16,311New
Orion Portfolio Solutions, LLC16,311$380.7K0.00%+16,311New
Cim, LLC16,823$392.6K0.06%−326−1.9%Reduced
Boothbay Fund Management, LLC17,228$402.1K0.01%+17,228New
ProShare Advisors LLC18,317$427.5K0.00%−3,199−14.9%Reduced
Two Sigma Securities, LLC18,507$432.0K0.07%+18,507New
RBF Capital, LLC20,000$466.8K0.03%+20,000New
Vontobel Holding Ltd.20,060$468.2K0.00%+20,060New
Truist Financial Corp21,177$494.3K0.00%+1,400+7.1%Added
State of Wisconsin Investment Board21,646$505.2K0.00%−2,237−9.4%Reduced
Centiva Capital, LP21,888$510.9K0.03%+21,888New
Cerity Partners LLC23,351$545.0K0.00%+23,351New
Ensign Peak Advisors, Inc23,714$553.5K0.00%00.0%Unchanged
Group One Trading, L.P.23,743$554.2K0.02%−16,613−41.2%Reduced
Schonfeld Strategic Advisors LLC24,204$564.9K0.00%−12,497−34.1%Reduced
Corebridge Financial, Inc.25,228$588.8K0.00%−99−0.4%Reduced
Walleye Capital LLC25,731$600.6K0.01%+25,731New
Janney Montgomery Scott LLC26,390$616.0K0.00%−44,265−62.6%Reduced
Teacher Retirement System of Texas26,624$621.4K0.00%−29,706−52.7%Reduced
Manufacturers Life Insurance Company, The26,695$623.1K0.00%+8,303+45.1%Added
Intech Investment Management LLC27,155$633.8K0.01%+5,882+27.7%Added
CWM Advisors, LLC28,080$655.4K0.08%+28,080New
Neuberger Berman Group LLC26,024$658.5K0.00%+26,024New
Bayesian Capital Management, LP28,327$661.2K0.11%+28,327New
IMC-Chicago, LLC28,362$662.0K0.03%−64,160−69.3%Reduced
Norges Bank28,528$665.8K0.00%−261,472−90.2%Reduced
Ieq Capital, LLC28,658$668.9K0.01%+17,911+166.7%Added
Franklin Resources Inc28,923$675.1K0.00%+420+1.5%Added
Virtu Financial LLC30,276$707.0K0.04%+30,276New
MetLife Investment Management30,677$716.0K0.00%−368−1.2%Reduced
Baird Financial Group, Inc.30,958$722.6K0.00%+30,958New
Illumine Investment Management, LLC31,262$729.7K0.60%+923+3.0%Added
Diker Management LLC31,897$744.5K0.89%+31,897New
Mirae Asset Global ETFs Holdings Ltd.32,061$748.3K0.00%+3,065+10.6%Added
Wolverine Trading, LLC31,519$775.7K0.02%+8,282+35.6%Added
NorthCrest Asset Manangement, LLC34,037$794.4K0.02%+647+1.9%Added
Allspring Global Investments Holdings, LLC33,889$811.6K0.00%+11,015+48.2%Added
E Fund Management Co., Ltd.34,800$812.2K0.04%+34,800New
Engineers Gate Manager LP35,077$818.7K0.01%+19,847+130.3%Added
Segall Bryant & Hamill, LLC35,273$823.3K0.01%+35,273New
FCG Investment Co35,300$823.9K0.52%+15,518+78.4%Added
Marshall Wace, LLP37,334$871.4K0.00%+37,334New
Price T Rowe Associates Inc38,748$905.0K0.00%+2,481+6.8%Added
Bryce Point Capital, LLC32,616$906.7K0.68%+32,616New
Millennium Management LLC40,277$940.1K0.00%+14,294+55.0%Added
Wexford Capital LP41,443$967.3K0.25%+41,443New
Davidson Kempner Capital Management LP42,353$988.5K0.01%−351,417−89.2%Reduced
Militia Capital Partners, LP43,378$1.01M0.41%+43,378New
Sequoia China Equity Partners (Hong Kong) Ltd43,650$1.02M0.59%+43,650New
Kendall Capital Management45,240$1.06M0.31%+635+1.4%Added
California State Teachers Retirement System48,316$1.13M0.00%00.0%Unchanged
Alliancebernstein L.P.48,571$1.13M0.00%00.0%Unchanged
XTX Topco Ltd48,878$1.14M0.06%+48,878New
SEI Investments Co49,018$1.14M0.00%+49,018New
Gilder Gagnon Howe & Co LLC49,753$1.16M0.02%+23,493+89.5%Added
Bayforest Capital Ltd52,804$1.23M0.54%+52,804New
Thompson Siegel & Walmsley LLC53,900$1.26M0.02%+53,900New
Los Angeles Capital Management LLC57,404$1.34M0.01%+36,227+171.1%Added
Aquatic Capital Management LLC61,158$1.43M0.04%+61,158New
Legal & General Group Plc61,227$1.43M0.00%+5,440+9.8%Added
Hussman Strategic Advisors, Inc.63,000$1.47M0.36%−105,000−62.5%Reduced
Dodge & Cox63,092$1.47M0.00%+9,500+17.7%Added
State Board of Administration of Florida Retirement System64,027$1.49M0.00%+50,247+364.6%Added
Jackson Creek Investment Advisors LLC65,813$1.54M0.49%−51−0.1%Reduced
Raymond James Financial Inc68,167$1.59M0.00%−17,555−20.5%Reduced
Cubist Systematic Strategies, LLC71,702$1.67M0.02%+71,702New
Squarepoint Ops LLC75,828$1.77M0.00%−49,174−39.3%Reduced
Rhumbline Advisers76,416$1.78M0.00%+2,677+3.6%Added
Dark Forest Capital Management LP80,581$1.88M0.09%+80,581New
Penserra Capital Management LLC81,890$1.91M0.03%+81,890New
EAM Investors, LLC85,967$2.01M0.35%+85,967New
RPg Family Wealth Advisory, LLC89,798$2.10M0.60%+89,798New
Voloridge Investment Management, LLC94,496$2.21M0.01%+6,029+6.8%Added
Swiss National Bank100,500$2.35M0.00%−1,200−1.2%Reduced
Barclays PLC100,808$2.35M0.00%−19,296−16.1%Reduced
Wells Fargo & Company108,007$2.52M0.00%+74,116+218.7%Added
D. E. Shaw & Co., Inc.108,550$2.53M0.00%+108,550New
Simplex Trading, LLC110,128$2.57M0.09%−31,308−22.1%Reduced
Qube Research & Technologies Ltd117,198$2.74M0.00%−125,063−51.6%Reduced
Twinbeech Capital LP121,480$2.84M0.05%+121,480New
PDT Partners, LLC121,602$2.84M0.20%+13,572+12.6%Added
American Century Companies Inc121,672$2.84M0.00%+14,590+13.6%Added
Pinpoint Asset Management Ltd122,428$2.86M0.50%+15,382+14.4%Added
Algert Global LLC127,307$2.97M0.07%+4,843+4.0%Added
Janus Henderson Group PLC120,908$2.98M0.00%−31,097−20.5%Reduced
LPL Financial LLC133,556$3.12M0.00%−99,691−42.7%Reduced
Nuveen, LLC137,182$3.20M0.00%+137,182New
Rockefeller Capital Management L.P.140,924$3.29M0.01%+140,924New
Russell Investments Group, Ltd.142,244$3.32M0.00%+113,111+388.3%Added
Balyasny Asset Management LLC143,429$3.35M0.01%+143,429New