Yiheng Capital Management, L.P. - Sep 30, 2024 SCHEDULE 13G/A Report for ACM Research, Inc. Ordinary shares, par value $0.01 per share (ACMR)

Filing Manager
Yiheng Capital Management, L.P.
Reporting Manager
Yiheng Capital Partners, L.P.
Security
ACM Research, Inc. Ordinary shares, par value $0.01 per share
Symbol
ACMR
Shares outstanding
55.5M shares
Disclosed Ownership
666K shares
Ownership
1.2%
Form type
SCHEDULE 13G/A
Date filed
11/13/2024, 12:15 PM
Date of event
Sep 30, 2024
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Yiheng Capital Partners, L.P. 1.2% 666K 0 666K /s/ Yuanshan Guo Yuanshan Guo / Managing Member
Yiheng Capital, LLC 1.2% 666K 0 666K /s/ Yuanshan Guo Yuanshan Guo / Managing Member
Yiheng Capital Management, LP 1.2% 666K 0 666K /s/ Yuanshan Guo Yuanshan Guo / Managing Member
Yuanshan Guo 1.2% 666K 0 666K /s/ Yuanshan Guo Yuanshan Guo / Managing Member