ACM Research, Inc. (ACMR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,378,290Shares held by institutions

$52,209,625Value of institutional holdings

55.29%Institutional ownership %

6.30%Shares Changed QoQ

240No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

ACM Research, Inc. (NASDAQ:ACMR) showed up in the 13F filings of 266 institutional investors as of December 2025.

Their combined ownership stood at 66.9% of outstanding shares in December 2025, up from 61.7% in September 2025.
They increased total shares held in ACM Research by 12.01% from the prior quarter, while the number of investors in ACMR increased 48.6% year over year.
Of these 266 holders, 154 added to their stakes in ACM Research, 86 trimmed positions, and 26 made no changes.
Institutional investors collectively held 45.74Mn shares in ACM Research as of December 2025, up by 4.9Mn shares quarter on quarter, and up 8.73Mn shares year over year.
BlackRock, Inc. leads ownership in ACMR with 7.89Mn shares as of December 31, 2025, equal to 11.53% of outstanding shares.
Leading buyers of ACM Research shares for the quarter ending December 2025 were Invesco Ltd. (1.1Mn), Janus Henderson Group Plc (1.01Mn), Tekne Capital Management, LLC (715.0K), Cederberg Capital Ltd (693.9K), FMR LLC (555.5K).
Leading sellers of ACM Research shares for the quarter ending December 2025 were Federated Hermes, Inc. (1.04Mn), Mitsubishi UFJ Trust & Banking Corp (530.84K), Broad Bay Capital Management, LP (360.2K), Goldman Sachs Group Inc (311.65K), CITADEL ADVISORS LLC (251.95K).
Business Quant data shows the 10 biggest positions in ACM Research as of December 2025 are held by BlackRock, Inc. (7.89Mn), VANGUARD GROUP INC (4.97Mn), LSV ASSET MANAGEMENT (2.38Mn), State Street Corp (1.96Mn), Triata Capital Ltd (1.93Mn), SOUTHEASTERN ASSET MANAGEMENT INC/TN/ (1.68Mn), Morgan Stanley (1.39Mn), GEODE CAPITAL MANAGEMENT, LLC (1.34Mn), Invesco Ltd. (1.34Mn), Cederberg Capital Ltd (1.19Mn).

267 Institutional Holders

1,378,290 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	300,941	3.97%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	125,690	2.59%	$0.00
Triata Capital Ltd	31 Dec, 2025	-73,306	-3.66%	$0.00
Barclays Plc	31 Dec, 2025	-127,343	-54.36%	$0.00
LSV ASSET MANAGEMENT	31 Dec, 2025	-123,784	-4.94%	$0.00
Cederberg Capital Ltd	31 Dec, 2025	693,900	139.76%	$0.00
Fund Advisors of America Inc/FL	31 Dec, 2025	8,604	0.00%	$0.00
State Street Corp	31 Dec, 2025	-32,213	-1.62%	$0.00
Broad Bay Capital Management, LP	31 Dec, 2025	-360,200	-35.58%	$0.00
SOUTHEASTERN ASSET MANAGEMENT INC/TN/	31 Dec, 2025	194,494	13.09%	$0.00
UBS Group AG	31 Dec, 2025	-78,225	-13.29%	$0.00
Morgan Stanley	31 Dec, 2025	515,340	58.76%	$0.00
Steamboat Capital Partners, LLC	31 Dec, 2025	-20,839	-3.97%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	19,397	1.47%	$0.00
Raiffeisen Bank International AG	31 Dec, 2025	0	0.00%	$0.00
Invesco Ltd.	31 Dec, 2025	1,095,634	444.47%	$0.00
Nearwater Capital Markets, Ltd	31 Dec, 2025	350,800	0.00%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	1,011,088	1,406.36%	$0.00
MY.Alpha Management HK Advisors Ltd	31 Dec, 2025	-149,027	-41.37%	$0.00
Mitsubishi UFJ Trust & Banking Corp	31 Dec, 2025	-530,842	-39.03%	$0.00

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