Acm Research Inc. Class AACMR

13F holders, Q4 2024 (December 31)
183holders −2
24new positions
35sold out
3famous investors
$15.10avg. 13F price*

At the end of Q4 2024, 183 institutions reported holding Acm Research Inc. Class A (ACMR) in their 13F filings, down 2 from Q3 2024. 24 opened new positions and 35 sold out. The largest holders were BlackRock, Inc. ($74.0M), Vanguard Group Inc. ($63.4M) and Kerrisdale Advisers, LLC ($29.4M). 3 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Acm Research Inc. Class A
CUSIP
00108J109
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 200Q1 2024Q2 2024: 201Q2 2024Q3 2024: 185Q3 2024Q4 2024: 183Q4 2024Q1 2025: 244Q1 2025Q2 2025: 243Q2 2025Q3 2025: 258Q3 2025Q4 2025: 279Q4 2025Q1 2026: 301Q1 2026Q2 2026: 376Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions24$19.5M
Exits35$63.9M

All 13F filers, Q3 2024 → Q4 2024: 8,621,498 shares bought and 7,322,954 shares sold, net +1,298,544 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 183 holders

BlackRock, Inc. 0.00% Add +10.4% 4,903,191 $74.0M
Vanguard Group Inc. 0.00% Add +1.6% 4,201,403 $63.4M
Kerrisdale Advisers, LLC 9.94% Add +550.8% 1,948,003 $29.4M
Mitsubishi UFJ Trust & Banking Corp 0.05% Add +2258.3% 1,469,271 $22.2M
Panview Capital Ltd 4.43% — 1,374,699 $20.8M
State Street Corp. 0.00% Add +8.7% 1,250,998 $18.9M
Geode Capital Management, LLC 0.00% Add +0.3% 1,184,872 $17.9M
Pertento Partners LLP 1.84% Add +22.3% 1,185,037 $17.9M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +1418.5% 1,174,720 $17.7M
Invesco Ltd. 0.00% Reduce -4.5% 1,132,953 $17.1M
UBS Group AG 0.00% Add +1030.7% 1,131,565 $17.1M
Triata Capital Ltd 6.42% — 1,026,967 $15.5M
Steamboat Capital Partners, LLC 3.51% Reduce -23.5% 748,925 $11.3M
Raiffeisen Bank International AG 0.16% — 700,000 $10.5M
Yiheng Capital Management, L.P. 2.27% Add +2.1% 680,604 $10.3M
Trexquant Investment LP 0.10% Add +110.4% 572,870 $8.7M
Northern Trust Corp. 0.00% Add +9.9% 534,243 $8.1M
Oberweis Asset Management Inc./ 0.35% Add +16.5% 485,200 $7.3M
Morgan Stanley 0.00% Reduce -77.0% 412,453 $6.2M
Charles Schwab Investment Management Inc. 0.00% Add +0.7% 408,683 $6.2M
Goldman Sachs Group Inc. 0.00% Add +24.5% 399,639 $6.0M
Davidson Kempner Capital Management LP 0.16% New 393,770 $5.9M
SG Americas Securities, LLC 0.03% New 382,905 $5.8M
Oasis Management Co Ltd. 1.98% Add +29.8% 373,709 $5.6M
AQR Capital Management 0.01% Add +39.4% 358,250 $5.4M
Citadel Advisors 0.01% Reduce -26.7% 355,741 $5.4M
Citigroup Inc. 0.01% Add +1.0% 343,716 $5.2M
Norges Bank 0.00% Reduce -25.4% 290,000 $4.4M
Deutsche Bank AG 0.00% Add +22.9% 282,915 $4.3M
Matthews International Capital Management LLC 0.82% Reduce -7.5% 262,451 $4.0M
Qube Research & Technologies Ltd 0.01% Add +12.1% 242,261 $3.7M
Osterweis Capital Management Inc. 0.22% Reduce -17.4% 235,491 $3.6M
LPL Financial LLC 0.00% Add +9.3% 233,247 $3.5M
Susquehanna International Group, LLP 0.01% Reduce -2.4% 223,649 $3.4M
Bank of New York Mellon Corp 0.00% Add +11.1% 209,909 $3.2M
Ameriprise Financial Inc. 0.00% Reduce -8.4% 187,601 $2.8M
Hussman Strategic Advisors, Inc. 0.75% Reduce -20.0% 168,000 $2.5M
Janus Henderson Group PLC 0.00% Add +29.8% 152,005 $2.3M
Yong Rong (HK) Asset Management Ltd 0.99% New 150,000 $2.3M
PEAK6 LLC 0.08% — 142,516 $2.2M
Simplex Trading, LLC 0.06% Add +306.1% 141,436 $2.1M
Nuveen Asset Management, LLC 0.00% Reduce -67.9% 130,136 $2.0M
Squarepoint Ops LLC 0.00% Reduce -3.5% 125,002 $1.9M
Richard P Slaughter Associates Inc 0.42% Reduce -3.7% 123,084 $1.9M
Algert Global LLC 0.04% Reduce -31.2% 122,464 $1.8M
Barclays PLC 0.00% Reduce -12.7% 120,104 $1.8M
Carmignac Gestion 0.03% Reduce -6.6% 109,861 $1.7M
PDT Partners, LLC 0.14% New 108,030 $1.6M
American Century Companies Inc. 0.00% Reduce -1.6% 107,082 $1.6M
Pinpoint Asset Management Ltd 0.29% Reduce -12.8% 107,046 $1.6M
Swiss National Bank 0.00% Add +7.5% 101,700 $1.5M
BNP Paribas Financial Markets 0.00% Add +145.4% 93,861 $1.4M
IMC-Chicago, LLC 0.04% Add +92.9% 92,522 $1.4M
Voloridge Investment Management, LLC 0.00% Reduce -88.0% 88,467 $1.3M
Raymond James Financial Inc. 0.00% — 85,722 $1.3M
Ossiam 0.02% No change 85,400 $1.3M
Bank of America Corp. 0.00% Reduce -32.4% 75,151 $1.1M
Rhumbline Advisers 0.00% Add +0.8% 73,739 $1.1M
Janney Montgomery Scott LLC 0.00% Add +35.8% 70,655 $1.1M
FMR LLC 0.00% Add +357.9% 69,537 $1.1M
Gsa Capital Partners LLP 0.07% Reduce -7.2% 66,605 $1.0M
Jackson Creek Investment Advisors LLC 0.30% Reduce -3.0% 65,864 $995K
Teacher Retirement System of Texas 0.00% New 56,330 $851K
Legal & General Group Plc 0.00% Add +20.9% 55,787 $842K
Dodge & Cox 0.00% Add +24.6% 53,592 $809K
Alliancebernstein L.P. 0.00% Add +0.1% 48,571 $733K
California State Teachers Retirement System 0.00% Add +5.1% 48,316 $730K
Kendall Capital Management 0.20% Add +17.1% 44,605 $674K
Jane Street Group, LLC 0.00% Reduce -61.9% 40,795 $616K
Group One Trading LLC 0.02% Add +215.4% 40,356 $609K
Schonfeld Strategic Advisors LLC 0.00% Add +70.6% 36,701 $554K
T. Rowe Price Associates Inc. 0.00% Add +9.1% 36,267 $548K
Danske Bank A/S 0.00% New 33,939 $512K
Wells Fargo & Company 0.00% Reduce -28.4% 33,891 $512K
NorthCrest Asset Manangement, LLC 0.02% Reduce -1.2% 33,390 $504K
MetLife Investment Management, LLC 0.00% Add +7.3% 31,045 $469K
Illumine Investment Management, LLC 0.38% — 30,339 $458K
Russell Investments Group, Ltd. 0.00% Reduce -88.3% 29,133 $440K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +3.8% 28,996 $438K
Franklin Resources Inc. 0.00% Add +1.4% 28,503 $430K
Gilder Gagnon Howe & Co. LLC 0.00% Reduce -0.1% 26,260 $397K
Millennium Management 0.00% Reduce -94.8% 25,983 $392K
Corebridge Financial, Inc. 0.00% Reduce -7.0% 25,327 $382K
Man Group plc 0.00% New 24,505 $370K
Mariner, LLC 0.00% Add +50.8% 24,239 $366K
State of Wisconsin Investment Board 0.00% Reduce -61.1% 23,883 $361K
Ensign Peak Advisors, Inc 0.00% No change 23,714 $358K
Allspring Global Investments Holdings, LLC 0.00% Add +0.2% 22,874 $356K
JPMorgan Chase & Co. 0.00% Reduce -82.5% 23,474 $354K
Wolverine Trading, LLC 0.01% Add +60.3% 23,237 $350K
Guggenheim Capital LLC 0.00% New 21,981 $332K
Leonteq Securities AG 0.03% Add +2072.3% 21,723 $328K
ProShare Advisors LLC 0.00% Add +45.8% 21,516 $325K
Alps Advisors Inc. 0.00% Reduce -2.3% 21,347 $322K
AlphaQuest LLC 0.04% Add +9.5% 21,331 $322K
Intech Investment Management LLC 0.00% Add +70.0% 21,273 $321K
Los Angeles Capital Management LLC 0.00% Reduce -5.1% 21,177 $320K
Harbour Capital Advisors, LLC 0.07% Add +23.1% 19,325 $300K
FCG Investment Co 0.18% Add +11.7% 19,782 $299K
Truist Financial Corp. 0.00% New 19,777 $299K

"% of holder's portfolio" is ACMR's weight in each manager's 13F, not the share of Acm Research Inc. Class A the manager owns.

Show all 183 holders