ESSEX INVESTMENT MANAGEMENT CO LLC - ACM RESEARCH INC ownership

ACM RESEARCH INC's ticker is ACMR and the CUSIP is 00108J109. A total of 124 filers reported holding ACM RESEARCH INC in Q4 2022. The put-call ratio across all filers is 0.22 and the average weighting 0.1%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of ACM RESEARCH INC
ValueSharesWeighting
Q3 2023$239,529
+38.4%
13,2300.0%0.04%
+62.5%
Q2 2023$173,048
+11.8%
13,2300.0%0.02%
+9.1%
Q1 2023$154,791
+151655.9%
13,2300.0%0.02%
+37.5%
Q4 2022$102
-99.9%
13,2300.0%0.02%
-38.5%
Q3 2022$165,000
-26.0%
13,2300.0%0.03%
-27.8%
Q2 2022$223,00013,2300.04%
Other shareholders
ACM RESEARCH INC shareholders Q4 2022
NameSharesValueWeighting ↓
Panview Asian Equity Master Fund 290,000$5,250,4507.84%
Ariose Capital Management Ltd 750,832$13,593,8137.69%
Pertento Partners LLP 1,195,464$21,643,8763.93%
Yong Rong (HK) Asset Management Ltd 150,000$2,7162.50%
Point72 Hong Kong Ltd 426,267$7,717,5642.13%
Triatomic Management LP 146,700$2,656,0041.84%
MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC 746,101$13,508,1591.63%
Quaero Capital S.A. 70,765$1,281,2001.22%
EAM Global Investors LLC 197,844$3,581,9660.97%
Pacific Ridge Capital Partners, LLC 196,976$3,566,2500.83%
View complete list of ACM RESEARCH INC shareholders