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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, Q4 2022

Institutional positions in ACM Research, Inc. as of Dec 31, 2022. 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
123
+6 vs. Q3 2022
Shares held
30.5M
−4.39M (−12.6%) vs. Q3 2022
Total value
$235.2M
−$199.6M (−45.9%) vs. Q3 2022
New holders
35
42 more added
Sold out
29
25 more reduced

Compare with Q3 2022: 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 holdersQ4 2022: 123 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 heldQ4 2022: $235.2M
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, Q4 2022

Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q3 2022.

Institutions holding ACMR in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,221,430$24.8M0.00%+76,193+2.4%Added
Vanguard Group Inc2,899,420$22.4M0.00%+477,655+19.7%Added
Morgan Stanley2,797,489$21.6M0.00%−2,090,824−42.8%Reduced
Bank of America Corp2,201,403$17.0M0.00%−319,531−12.7%Reduced
Millennium Management LLC1,843,704$14.2M0.02%+1,694,246+1,133.6%Added
Citigroup Inc1,763,129$13.6M0.02%+70.0%Added
Hotchkis & Wiley Capital Management LLC1,136,190$8.76M0.03%+514,420+82.7%Added
Goldman Sachs Group Inc918,615$7.08M0.00%−2,326−0.3%Reduced
State Street Corp880,564$6.79M0.00%−81,646−8.5%Reduced
JPMorgan Chase & Co868,911$6.70M0.00%+827,099+1,978.1%Added
Matthews International Capital Management LLC850,913$6.56M0.78%−19,137−2.2%Reduced
Geode Capital Management, LLC832,868$6.42M0.00%+20,172+2.5%Added
Snow Lake Capital (HK) Ltd800,000$6.17M3.02%−2,800,000−77.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund723,200$5.58M0.03%−931,700−56.3%Reduced
Bamco Inc571,123$4.40M0.01%−538,210−48.5%Reduced
UBS Group AG544,688$4.20M0.00%+37,021+7.3%Added
Franchise Capital Ltd506,433$3.90M1.20%+506,433New
Northern Trust Corp444,289$3.43M0.00%−2,315−0.5%Reduced
Voloridge Investment Management, LLC389,040$3.00M0.02%+231,640+147.2%Added
BNP Paribas Arbitrage, SA374,511$2.89M0.01%+166,407+80.0%Added
Cooper Creek Partners Management LLC361,333$2.79M0.23%00.0%Unchanged
Citadel Advisors LLC345,403$2.66M0.00%+271,166+365.3%Added
Charles Schwab Investment Management Inc320,877$2.47M0.00%+4,415+1.4%Added
Yiheng Capital Management, L.P.302,300$2.33M0.18%00.0%Unchanged
Cubist Systematic Strategies, LLC280,894$2.17M0.02%+280,855+720,141.0%Added
Ariose Capital Management Ltd273,841$2.11M0.92%+273,841New
Algert Global LLC264,740$2.04M0.11%+239,040+930.1%Added
AQR Capital Management LLC219,033$1.69M0.00%+219,033New
Squarepoint Ops LLC217,095$1.67M0.01%+144,109+197.4%Added
D. E. Shaw & Co., Inc.157,246$1.21M0.00%+157,246New
Bank of New York Mellon Corp152,147$1.17M0.00%−16,306−9.7%Reduced
Deutsche Bank AG143,818$1.11M0.00%+122,629+578.7%Added
Nuveen Asset Management, LLC139,117$1.07M0.00%−25,312−15.4%Reduced
Ameriprise Financial Inc136,100$1.05M0.00%+72,570+114.2%Added
PDT Partners, LLC126,845$978.0K0.16%+98,036+340.3%Added
Trexquant Investment LP126,200$973.0K0.03%+126,200New
Marshall Wace, LLP112,456$867.0K0.00%+112,456New
Renaissance Technologies LLC111,600$860.0K0.00%+111,600New
Swiss National Bank104,600$806.5K0.00%+2,000+1.9%Added
Janney Montgomery Scott LLC101,637$784.0K0.00%+56,259+124.0%Added
Mitsubishi UFJ Trust & Banking Corp98,922$762.7K0.00%+13,332+15.6%Added
Marex Group plc100,000$758.0K0.11%+100,000New
Gsa Capital Partners LLP94,113$726.0K0.09%+94,113New
Jane Street Group, LLC80,069$617.3K0.00%+60,659+312.5%Added
Caxton Associates LP75,895$585.1K0.04%+75,895New
Connor, Clark & Lunn Investment Management Ltd.75,132$579.3K0.00%+75,132New
Oasis Management Co Ltd.70,695$545.1K0.12%00.0%Unchanged
Rhumbline Advisers70,310$542.0K0.00%+126+0.2%Added
Alliancebernstein L.P.65,000$501.1K0.00%+14,327+28.3%Added
XTX Topco Ltd63,663$490.8K0.10%+63,663New
ExodusPoint Capital Management, LP57,937$447.0K0.01%+57,937New
California State Teachers Retirement System56,806$438.0K0.00%+656+1.2%Added
SEI Investments Co48,711$375.6K0.00%+22,300+84.4%Added
Connectus Wealth, LLC45,000$346.9K0.01%00.0%Unchanged
Jump Financial, LLC41,348$318.8K0.02%+41,348New
Janus Henderson Group PLC40,996$316.0K0.00%−3,549−8.0%Reduced
Walleye Capital LLC38,987$300.6K0.01%+38,987New
Dynamic Technology Lab Private Ltd36,020$278.0K0.03%+36,020New
New York State Common Retirement Fund33,490$258.2K0.00%−47−0.1%Reduced
UBS Asset Management Americas Inc33,216$256.1K0.00%00.0%Unchanged
Credit Suisse AG30,716$236.8K0.00%−32,488−51.4%Reduced
Watershed Asset Management, L.L.C.29,481$227.3K0.29%+29,481New
Price T Rowe Associates Inc29,100$224.0K0.00%+3,982+15.9%Added
Winton Group Ltd28,230$217.7K0.01%+438+1.6%Added
HRT Financial LP27,973$215.0K0.00%+27,973New
New York Life Investment Management LLC27,417$211.4K0.00%+3,088+12.7%Added
Fox Run Management, L.L.C.25,285$194.9K0.08%+7,809+44.7%Added
MetLife Investment Management25,060$193.2K0.00%00.0%Unchanged
Quadrature Capital Ltd24,762$190.7K0.01%+24,762New
Two Sigma Advisers, LP23,200$178.9K0.00%+23,200New
Quantbot Technologies LP22,725$175.2K0.01%+22,725New
American International Group, Inc.22,681$174.9K0.00%−82−0.4%Reduced
Ensign Peak Advisors, Inc22,660$174.7K0.00%+16,750+283.4%Added
Invesco Ltd.21,204$163.5K0.00%+2,342+12.4%Added
Versor Investments LP20,928$161.4K0.01%+528+2.6%Added
Victory Capital Management Inc20,498$158.0K0.00%+9,352+83.9%Added
Walleye Trading LLC19,849$153.0K0.00%+24+0.1%Added
Mirae Asset Global Investments Co., Ltd.19,835$152.9K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The19,324$149.0K0.00%+154+0.8%Added
Susquehanna International Group, LLP19,161$147.7K0.00%−62,279−76.5%Reduced
Voya Investment Management LLC18,674$144.0K0.00%00.0%Unchanged
Prelude Capital Management, LLC16,000$123.4K0.01%+16,000New
Barclays PLC15,874$122.4K0.00%−79,086−83.3%Reduced
Engineers Gate Manager LP15,750$121.4K0.01%+15,750New
SG Americas Securities, LLC15,673$121.0K0.00%−3,353−17.6%Reduced
Legal & General Group Plc15,657$120.7K0.00%00.0%Unchanged
Alpine Global Management, LLC15,277$118.0K0.04%+15,277New
Essex Investment Management Co LLC13,230$102.0K0.02%00.0%Unchanged
Landscape Capital Management, L.L.C.12,547$96.7K0.01%+12,547New
Arizona State Retirement System12,230$94.3K0.00%+474+4.0%Added
Y-Intercept (Hong Kong) Ltd11,662$89.9K0.01%+11,662New
Tower Research Capital LLC (TRC)9,593$74.0K0.00%−11,791−55.1%Reduced
Truvestments Capital LLC8,664$66.8K0.04%−5,410−38.4%Reduced
Simplex Trading, LLC7,462$57.0K0.00%−28,253−79.1%Reduced
Royal Bank of Canada7,068$55.0K0.00%+5,780+448.8%Added
Amalgamated Bank6,290$48.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.5,952$45.0K0.00%+50+0.8%Added
Ameritas Investment Partners, Inc.3,596$42.3K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)4,530$34.9K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.3,500$27.0K0.00%+500+16.7%Added