On this page, we present all of the funds holding ACMR from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ACMR, with a link to that fund's top holdings. The next columns indicate the amount of ACMR stock held by each of the funds holding ACMR, followed by the ACMR position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 163 funds holding ACMR within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Vanguard Group Inc.. For more details on the positions held by Vanguard Group Inc. (or by any of the other funds holding ACMR), click the fund name in the "Holder" column of the funds-holding-ACMR table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	4,057,397	$79,282	12/31/2023
ACMR	4,057,397	$79,282	12/31/2023
BlackRock Inc.	3,725,525	$72,797	12/31/2023
ACMR	3,725,525	$72,797	12/31/2023
Ariose Capital Management Ltd	1,980,671	$38,702	12/31/2023
ACMR	1,980,671	$38,702	12/31/2023
Bank of America Corp DE	1,955,612	$38,213	12/31/2023
ACMR	1,955,612	$38,213	12/31/2023
Citigroup Inc.	1,736,596	$33,933	12/31/2023
ACMR	1,736,596	$33,933	12/31/2023
Pertento Partners LLP	1,085,033	$21,202	12/31/2023
ACMR	1,085,033	$21,202	12/31/2023
Panview Asian Equity Master Fund	1,057,753	$20,668	12/31/2023
ACMR	1,057,753	$20,668	12/31/2023
State Street Corp	1,044,631	$20,412	12/31/2023
ACMR	1,044,631	$20,412	12/31/2023
Geode Capital Management LLC	1,039,783	$20,320	12/31/2023
ACMR	1,039,783	$20,320	12/31/2023
Portolan Capital Management LLC	799,504	$15,622	12/31/2023
ACMR	799,504	$15,622	12/31/2023
JPMorgan Chase & Co.	778,118	$15,204	12/31/2023
ACMR	778,118	$15,204	12/31/2023
Goldman Sachs Group Inc.	692,991	$13,541	12/31/2023
ACMR	692,991	$13,541	12/31/2023
Voloridge Investment Management LLC	665,214	$12,998	12/31/2023
ACMR	665,214	$12,998	12/31/2023
Morgan Stanley	588,340	$11,496	12/31/2023
ACMR	588,340	$11,496	12/31/2023
UBS Group AG	560,250	$10,947	12/31/2023
ACMR	560,250	$10,947	12/31/2023
Allspring Global Investments Holdings LLC	374,069	$10,900	03/31/2024
ACMR	374,069	$10,900	03/31/2024
Matthews International Capital Management LLC	364,344	$10,617	03/31/2024
ACMR	364,344	$10,617	03/31/2024
Yiheng Capital Management L.P.	512,700	$10,018	12/31/2023
ACMR	512,700	$10,018	12/31/2023
Point72 Hong Kong Ltd	496,494	$9,701	12/31/2023
ACMR	496,494	$9,701	12/31/2023
Northern Trust Corp	467,546	$9,136	12/31/2023
ACMR	467,546	$9,136	12/31/2023
Prelude Capital Management LLC	442,190	$8,640	12/31/2023
ACMR	442,190	$8,640	12/31/2023
Think Investments LP	417,500	$8,158	12/31/2023
ACMR	417,500	$8,158	12/31/2023
Oberweis Asset Management Inc.	393,400	$7,687	12/31/2023
ACMR	393,400	$7,687	12/31/2023
Charles Schwab Investment Management Inc.	376,629	$7,359	12/31/2023
ACMR	376,629	$7,359	12/31/2023
Raymond James Financial Services Advisors Inc.	245,484	$7,153	03/31/2024
ACMR	245,484	$7,153	03/31/2024
Osterweis Capital Management Inc.	363,136	$7,096	12/31/2023
ACMR	363,136	$7,096	12/31/2023
Susquehanna International Group LLP		$6,866	12/31/2023
Call	458,600	$8,961	12/31/2023
Put	210,400	$4,111	12/31/2023
ACMR	103,189	$2,016	12/31/2023
Yong Rong HK Asset Management Ltd	350,000	$6,839	12/31/2023
ACMR	350,000	$6,839	12/31/2023
Hongkou Capital LP		$6,587	12/31/2023
Call	337,100	$6,587	12/31/2023
Norges Bank	290,000	$5,667	12/31/2023
ACMR	290,000	$5,667	12/31/2023
Russell Investments Group Ltd.	288,042	$5,628	12/31/2023
ACMR	288,042	$5,628	12/31/2023
Jane Street Group LLC		$5,059	12/31/2023
Call	201,800	$3,943	12/31/2023
ACMR	57,090	$1,116	12/31/2023
Westend Capital Management LLC	164,789	$4,802	03/31/2024
ACMR	164,789	$4,802	03/31/2024
Boothbay Fund Management LLC	235,704	$4,606	12/31/2023
ACMR	235,704	$4,606	12/31/2023
Bank of New York Mellon Corp	233,723	$4,567	12/31/2023
ACMR	233,723	$4,567	12/31/2023
Ameriprise Financial Inc.	206,634	$4,149	12/31/2023
ACMR	206,634	$4,149	12/31/2023
Nilsine Partners LLC	132,985	$3,875	03/31/2024
ACMR	132,985	$3,875	03/31/2024
AQR Capital Management LLC	197,593	$3,861	12/31/2023
ACMR	197,593	$3,861	12/31/2023
Squarepoint Ops LLC		$3,833	12/31/2023
ACMR	154,945	$3,028	12/31/2023
Call	41,200	$805	12/31/2023
Deutsche Bank AG	180,539	$3,528	12/31/2023
ACMR	180,539	$3,528	12/31/2023
Hussman Strategic Advisors Inc.	157,000	$3,068	12/31/2023
ACMR	157,000	$3,068	12/31/2023
Mitsubishi UFJ Trust & Banking Corp	151,146	$2,953	12/31/2023
ACMR	151,146	$2,953	12/31/2023
Barclays PLC	144,452	$2,823	12/31/2023
ACMR	144,452	$2,823	12/31/2023
Nuveen Asset Management LLC	143,891	$2,812	12/31/2023
ACMR	143,891	$2,812	12/31/2023
First Trust Advisors LP	128,312	$2,507	12/31/2023
ACMR	128,312	$2,507	12/31/2023
Janus Henderson Group PLC	119,806	$2,341	12/31/2023
ACMR	119,806	$2,341	12/31/2023
Arlington Capital Management Inc.	77,102	$2,247	03/31/2024
ACMR	77,102	$2,247	03/31/2024
Dark Forest Capital Management LP	107,178	$2,094	12/31/2023
ACMR	107,178	$2,094	12/31/2023
Healthcare of Ontario Pension Plan Trust Fund	106,000	$2,071	12/31/2023
ACMR	106,000	$2,071	12/31/2023
Citadel Advisors LLC		$2,032	12/31/2023
ACMR	97,993	$1,915	12/31/2023
Call	97,800	$1,911	12/31/2023
Put	91,800	$1,794	12/31/2023
Invesco Ltd.	101,252	$1,978	12/31/2023
ACMR	101,252	$1,978	12/31/2023
Rice Hall James & Associates LLC	67,760	$1,975	03/31/2024
ACMR	67,760	$1,975	03/31/2024
Simplex Trading LLC		$1,950	12/31/2023
Call	142,400	$2,782	12/31/2023
Put	109,700	$2,143	12/31/2023
ACMR	67,124	$1,311	12/31/2023
Natixis	95,300	$1,862	12/31/2023
ACMR	95,300	$1,862	12/31/2023
Swiss National Bank	86,800	$1,696	12/31/2023
ACMR	86,800	$1,696	12/31/2023
Group One Trading L.P.		$1,649	12/31/2023
Call	107,100	$2,093	12/31/2023
Put	22,700	$444	12/31/2023
Two Sigma Investments LP	83,300	$1,628	12/31/2023
ACMR	83,300	$1,628	12/31/2023
Calamos Advisors LLC	80,134	$1,566	12/31/2023
ACMR	80,134	$1,566	12/31/2023
PDT Partners LLC	78,341	$1,531	12/31/2023
ACMR	78,341	$1,531	12/31/2023
Rhumbline Advisers	75,184	$1,469	12/31/2023
ACMR	75,184	$1,469	12/31/2023
American Century Companies Inc.	72,181	$1,410	12/31/2023
ACMR	72,181	$1,410	12/31/2023
Credit Suisse AG	71,992	$1,407	12/31/2023
ACMR	71,992	$1,407	12/31/2023
National Bank of Canada FI	75,330	$1,406	12/31/2023
ACMR	75,330	$1,406	12/31/2023
Total Clarity Wealth Management Inc.	45,950	$1,339	03/31/2024
ACMR	45,950	$1,339	03/31/2024
ClariVest Asset Management LLC	67,834	$1,325	12/31/2023
ACMR	67,834	$1,325	12/31/2023
FCG Investment Co	41,905	$1,221	03/31/2024
ACMR	41,905	$1,221	03/31/2024
Millennium Management LLC	59,213	$1,157	12/31/2023
ACMR	59,213	$1,157	12/31/2023
UBS Asset Management Americas Inc.	54,744	$1,070	12/31/2023
ACMR	54,744	$1,070	12/31/2023
Jackson Creek Investment Advisors LLC	52,902	$1,034	12/31/2023
ACMR	52,902	$1,034	12/31/2023
Wells Fargo & Company MN	52,534	$1,027	12/31/2023
ACMR	52,534	$1,027	12/31/2023
NorthCrest Asset Manangement LLC	33,770	$984	03/31/2024
ACMR	33,770	$984	03/31/2024
Alliancebernstein L.P.	48,540	$948	12/31/2023
ACMR	48,540	$948	12/31/2023
California State Teachers Retirement System	47,429	$927	12/31/2023
ACMR	47,429	$927	12/31/2023
Connectus Wealth LLC	45,000	$879	12/31/2023
ACMR	45,000	$879	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	29,242	$852	03/31/2024
ACMR	29,242	$852	03/31/2024
Mirabella Financial Services LLP	41,045	$802	12/31/2023
ACMR	41,045	$802	12/31/2023
Legal & General Group Plc	39,670	$775	12/31/2023
ACMR	39,670	$775	12/31/2023
Trust Co. of Oklahoma	23,575	$687	03/31/2024
ACMR	23,575	$687	03/31/2024
Point72 Asset Management L.P.	32,528	$636	12/31/2023
ACMR	32,528	$636	12/31/2023
LPL Financial LLC	31,902	$623	12/31/2023
ACMR	31,902	$623	12/31/2023
Price T Rowe Associates Inc. MD	29,402	$575	12/31/2023
ACMR	29,402	$575	12/31/2023
Csenge Advisory Group	28,935	$565	12/31/2023
ACMR	28,935	$565	12/31/2023
HighTower Advisors LLC	27,463	$537	12/31/2023
ACMR	27,463	$537	12/31/2023
IMC Chicago LLC		$508	03/31/2024
Put	38,400	$1,119	03/31/2024
Call	37,600	$1,096	03/31/2024
ACMR	18,218	$531	03/31/2024
PEAK6 Investments LLC		$501	12/31/2023
Call	46,500	$909	12/31/2023
Put	25,300	$494	12/31/2023
ACMR	4,412	$86	12/31/2023
MetLife Investment Management LLC	25,060	$490	12/31/2023
ACMR	25,060	$490	12/31/2023
X Square Capital LLC	25,000	$489	12/31/2023
ACMR	25,000	$489	12/31/2023
Ensign Peak Advisors Inc	24,910	$487	12/31/2023
ACMR	24,910	$487	12/31/2023
Cambria Investment Management L.P.	24,046	$470	12/31/2023
ACMR	24,046	$470	12/31/2023
American International Group Inc.	23,923	$467	12/31/2023
ACMR	23,923	$467	12/31/2023
Cinctive Capital Management LP	22,964	$449	12/31/2023
ACMR	22,964	$449	12/31/2023
Eschler Asset Management LLP	22,243	$435	12/31/2023
ACMR	22,243	$435	12/31/2023
Penserra Capital Management LLC	22,134	$432	12/31/2023
ACMR	22,134	$432	12/31/2023
Mirae Asset Global Investments Co. Ltd.	22,050	$431	12/31/2023
ACMR	22,050	$431	12/31/2023
Walleye Trading LLC		$430	12/31/2023
Call	16,400	$320	12/31/2023
ACMR	9,107	$178	12/31/2023
Put	3,500	$68	12/31/2023
Franklin Resources Inc.	21,864	$427	12/31/2023
ACMR	21,864	$427	12/31/2023
New York State Common Retirement Fund	21,208	$414	12/31/2023
ACMR	21,208	$414	12/31/2023
Sei Investments Co.	21,144	$413	12/31/2023
ACMR	21,144	$413	12/31/2023
Walleye Capital LLC		$384	12/31/2023
Call	25,700	$502	12/31/2023
Put	13,700	$268	12/31/2023
ACMR	7,701	$150	12/31/2023
Voya Investment Management LLC	19,390	$379	12/31/2023
ACMR	19,390	$379	12/31/2023
New England Research & Management Inc.	12,904	$376	03/31/2024
ACMR	12,904	$376	03/31/2024
The Manufacturers Life Insurance Company	18,569	$363	12/31/2023
ACMR	18,569	$363	12/31/2023
BNP Paribas Arbitrage SA	18,542	$362	12/31/2023
ACMR	18,542	$362	12/31/2023
Trexquant Investment LP	18,543	$362	12/31/2023
ACMR	18,543	$362	12/31/2023
Royal Bank of Canada	17,671	$346	12/31/2023
ACMR	17,671	$346	12/31/2023
Alps Advisors Inc.	17,143	$335	12/31/2023
ACMR	17,143	$335	12/31/2023
Denali Advisors LLC	11,300	$329	03/31/2024
ACMR	11,300	$329	03/31/2024
Algert Global LLC	16,246	$317	12/31/2023
ACMR	16,246	$317	12/31/2023
Watershed Asset Management L.L.C.	15,933	$311	12/31/2023
ACMR	15,933	$311	12/31/2023
Advisory Research Inc.	14,385	$281	12/31/2023
ACMR	14,385	$281	12/31/2023
Counterpoint Mutual Funds LLC	9,575	$279	03/31/2024
ACMR	9,575	$279	03/31/2024
State Board of Administration of Florida Retirement System	13,780	$269	12/31/2023
ACMR	13,780	$269	12/31/2023
Essex Investment Management Co. LLC	13,230	$259	12/31/2023
ACMR	13,230	$259	12/31/2023
Raymond James & Associates	8,837	$258	03/31/2024
ACMR	8,837	$258	03/31/2024
Cornerstone Investment Partners LLC	12,597	$246	12/31/2023
ACMR	12,597	$246	12/31/2023
Entropy Technologies LP	12,450	$243	12/31/2023
ACMR	12,450	$243	12/31/2023
Arizona State Retirement System	12,301	$240	12/31/2023
ACMR	12,301	$240	12/31/2023
Strs Ohio	12,200	$238	12/31/2023
ACMR	12,200	$238	12/31/2023
Tower Research Capital LLC TRC	11,858	$232	12/31/2023
ACMR	11,858	$232	12/31/2023
MML Investors Services LLC	11,739	$229	12/31/2023
ACMR	11,739	$229	12/31/2023
EntryPoint Capital LLC	11,557	$226	12/31/2023
ACMR	11,557	$226	12/31/2023
Seven Eight Capital LP	11,436	$223	12/31/2023
ACMR	11,436	$223	12/31/2023
Brevan Howard Capital Management LP	11,251	$220	12/31/2023
ACMR	11,251	$220	12/31/2023
Transcendent Capital Group LLC	7,431	$217	03/31/2024
ACMR	7,431	$217	03/31/2024
ProShare Advisors LLC	11,058	$216	12/31/2023
ACMR	11,058	$216	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	10,568	$206	12/31/2023
ACMR	10,568	$206	12/31/2023
ARP Americas LP	10,111	$198	12/31/2023
ACMR	10,111	$198	12/31/2023
Aquatic Capital Management LLC	7,400	$145	12/31/2023
ACMR	7,400	$145	12/31/2023
Truvestments Capital LLC	5,202	$102	12/31/2023
ACMR	5,202	$102	12/31/2023
Quent Capital LLC	5,000	$98	12/31/2023
ACMR	5,000	$98	12/31/2023
Ameritas Investment Partners Inc.	4,782	$93	12/31/2023
ACMR	4,782	$93	12/31/2023
Headlands Technologies LLC	3,396	$66	12/31/2023
ACMR	3,396	$66	12/31/2023
Hood River Capital Management LLC	3,388	$66	12/31/2023
ACMR	3,388	$66	12/31/2023
Great West Life Assurance Co. Can	3,268	$63	12/31/2023
ACMR	3,268	$63	12/31/2023
Advisor Group Holdings Inc.	3,000	$59	12/31/2023
ACMR	3,000	$59	12/31/2023
Metropolitan Life Insurance Co NY	2,660	$52	12/31/2023
ACMR	2,660	$52	12/31/2023
Amalgamated Bank	1,664	$48	03/31/2024
ACMR	1,664	$48	03/31/2024
Nisa Investment Advisors LLC	2,308	$45	12/31/2023
ACMR	2,308	$45	12/31/2023
Spire Wealth Management	1,500	$44	03/31/2024
ACMR	1,500	$44	03/31/2024
Federated Hermes Inc.	1,875	$37	12/31/2023
ACMR	1,875	$37	12/31/2023
FMR LLC	1,600	$31	12/31/2023
ACMR	1,600	$31	12/31/2023
JTC Employer Solutions Trusteee Ltd	1,000	$29	03/31/2024
ACMR	1,000	$29	03/31/2024
Proequities Inc.		$25	12/31/2023
ACMR	1,254	$25	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
CWM LLC	486	$14	03/31/2024
ACMR	486	$14	03/31/2024
AJOVista LLC	546	$11	12/31/2023
ACMR	546	$11	12/31/2023
Naples Money Management LLC	500	$10	12/31/2023
ACMR	500	$10	12/31/2023
Blue Bell Private Wealth Management LLC	270	$8	03/31/2024
ACMR	270	$8	03/31/2024
Harbor Investment Advisory LLC	250	$7	03/31/2024
ACMR	250	$7	03/31/2024
Financial Perspectives Inc	255	$7	03/31/2024
ACMR	255	$7	03/31/2024
Lazard Asset Management LLC	248	$5	12/31/2023
ACMR	248	$5	12/31/2023
McIlrath & Eck LLC	238	$5	12/31/2023
ACMR	238	$5	12/31/2023
GAMMA Investing LLC	140	$4	03/31/2024
ACMR	140	$4	03/31/2024
The PNC Financial Services Group Inc.	197	$4	12/31/2023
ACMR	197	$4	12/31/2023
Parallel Advisors LLC	216	$4	12/31/2023
ACMR	216	$4	12/31/2023
Cutler Group LP		$3	03/31/2024
ACMR	59	$2	03/31/2024
Call	200	$1	03/31/2024
MCF Advisors LLC	90	$3	03/31/2024
ACMR	90	$3	03/31/2024
Advisory Services Network LLC	138	$3	12/31/2023
ACMR	138	$3	12/31/2023
GWM Advisors LLC	110	$2	12/31/2023
ACMR	110	$2	12/31/2023
Householder Group Estate & Retirement Specialist LLC	93	$2	12/31/2023
ACMR	93	$2	12/31/2023
Bell Investment Advisors Inc	85	$2	12/31/2023
ACMR	85	$2	12/31/2023
Salem Investment Counselors Inc.	50	$1	03/31/2024
ACMR	50	$1	03/31/2024
Farther Finance Advisors LLC	43	$1	12/31/2023
ACMR	43	$1	12/31/2023
Covestor Ltd	5	$0	12/31/2023
ACMR	5	$0	12/31/2023
Two Sigma Securities LLC	12,600	$-246	12/31/2023
Put	12,600	$246	12/31/2023

See Summary: Institutional Holders of ACMR
See Details: Top 10 Hedge Funds Holding ACMR
Also See: ACMR Holdings Changes

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ACMR — Performance