There is a long list of 407 institutional holders of AM within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of AM by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-AM table below, the initial column indicates the name of each top institutional holder of AM, with a link to that fund's top holdings. The next columns indicate the amount of AM stock held by each of the institutional holders of AM, followed by the AM position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	38,375,721	$480,848	12/31/2023
AM	38,375,721	$480,848	12/31/2023
Vanguard Group Inc.	35,545,837	$445,389	12/31/2023
AM	35,545,837	$445,389	12/31/2023
Invesco Ltd.	32,191,118	$403,355	12/31/2023
AM	32,191,118	$403,355	12/31/2023
State Street Corp	10,630,813	$133,204	12/31/2023
AM	10,630,813	$133,204	12/31/2023
Dimensional Fund Advisors LP	10,402,074	$130,340	12/31/2023
AM	10,402,074	$130,340	12/31/2023
Bank of New York Mellon Corp	7,555,156	$94,666	12/31/2023
AM	7,555,156	$94,666	12/31/2023
Clearbridge Investments LLC	7,198,393	$90,196	12/31/2023
AM	7,198,393	$90,196	12/31/2023
Neuberger Berman Group LLC	6,604,124	$82,750	12/31/2023
AM	6,604,124	$82,750	12/31/2023
RR Advisors LLC	5,954,000	$74,603	12/31/2023
AM	5,954,000	$74,603	12/31/2023
Morgan Stanley	5,419,695	$67,909	12/31/2023
AM	5,419,695	$67,909	12/31/2023
Geode Capital Management LLC	5,349,896	$67,045	12/31/2023
AM	5,349,896	$67,045	12/31/2023
Tortoise Capital Advisors L.L.C.	4,956,921	$62,110	12/31/2023
AM	4,956,921	$62,110	12/31/2023
Norges Bank	4,365,873	$54,704	12/31/2023
AM	4,365,873	$54,704	12/31/2023
Charles Schwab Investment Management Inc.	3,602,607	$45,141	12/31/2023
AM	3,602,607	$45,141	12/31/2023
Miller Howard Investments Inc. NY	2,565,490	$36,071	03/31/2024
AM	2,565,490	$36,071	03/31/2024
Northern Trust Corp	2,555,628	$32,022	12/31/2023
AM	2,555,628	$32,022	12/31/2023
Chickasaw Capital Management LLC	2,219,519	$31,206	03/31/2024
AM	2,219,519	$31,206	03/31/2024
Mirae Asset Global Investments Co. Ltd.	2,480,400	$31,079	12/31/2023
AM	2,480,400	$31,079	12/31/2023
Kayne Anderson Capital Advisors LP	2,265,000	$28,380	12/31/2023
AM	2,265,000	$28,380	12/31/2023
Brave Warrior Advisors LLC	2,225,260	$27,883	12/31/2023
AM	2,225,260	$27,883	12/31/2023
Westwood Holdings Group Inc.	2,165,884	$27,139	12/31/2023
AM	2,165,884	$27,139	12/31/2023
Nuveen Asset Management LLC	2,042,781	$25,596	12/31/2023
AM	2,042,781	$25,596	12/31/2023
American Century Companies Inc.	1,933,761	$24,230	12/31/2023
AM	1,933,761	$24,230	12/31/2023
Allianz Asset Management GmbH	1,852,300	$23,209	12/31/2023
AM	1,852,300	$23,209	12/31/2023
Point72 Asset Management L.P.	1,812,771	$22,714	12/31/2023
AM	1,812,771	$22,714	12/31/2023
Shah Capital Management	1,799,646	$22,550	12/31/2023
AM	1,799,646	$22,550	12/31/2023
JPMorgan Chase & Co.	1,745,046	$21,865	12/31/2023
AM	1,745,046	$21,865	12/31/2023
Wellington Management Group LLP	1,696,887	$21,262	12/31/2023
AM	1,696,887	$21,262	12/31/2023
First Trust Advisors LP	1,515,653	$18,991	12/31/2023
AM	1,515,653	$18,991	12/31/2023
Goldman Sachs Group Inc.	1,513,473	$18,964	12/31/2023
AM	1,513,473	$18,964	12/31/2023
Advisors Capital Management LLC	1,379,713	$17,288	12/31/2023
AM	1,379,713	$17,288	12/31/2023
Principal Financial Group Inc.	1,255,009	$15,725	12/31/2023
AM	1,255,009	$15,725	12/31/2023
Cushing Asset Management LP	1,238,000	$15,512	12/31/2023
AM	1,238,000	$15,512	12/31/2023
Barclays PLC	1,222,959	$15,324	12/31/2023
AM	1,222,959	$15,324	12/31/2023
Rhumbline Advisers	1,071,059	$13,420	12/31/2023
AM	1,071,059	$13,420	12/31/2023
Millennium Management LLC	1,066,771	$13,367	12/31/2023
AM	1,066,771	$13,367	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	841,657	$11,834	03/31/2024
AM	841,657	$11,834	03/31/2024
Jennison Associates LLC	937,261	$11,744	12/31/2023
AM	937,261	$11,744	12/31/2023
UBS Group AG		$11,703	12/31/2023
AM	704,032	$8,822	12/31/2023
Call	229,900	$2,881	12/31/2023
SIR Capital Management L.P.	913,811	$11,450	12/31/2023
AM	913,811	$11,450	12/31/2023
Alps Advisors Inc.	830,124	$10,401	12/31/2023
AM	830,124	$10,401	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	796,023	$9,974	12/31/2023
AM	796,023	$9,974	12/31/2023
Wells Fargo & Company MN	735,675	$9,218	12/31/2023
AM	735,675	$9,218	12/31/2023
Blackstone Group Inc	726,573	$9,104	12/31/2023
AM	726,573	$9,104	12/31/2023
Swiss National Bank	709,000	$8,884	12/31/2023
AM	709,000	$8,884	12/31/2023
Bank of America Corp DE	696,969	$8,733	12/31/2023
AM	696,969	$8,733	12/31/2023
Tortoise Index Solutions LLC	672,022	$8,420	12/31/2023
AM	672,022	$8,420	12/31/2023
BNP Paribas Arbitrage SA	641,189	$8,034	12/31/2023
AM	641,189	$8,034	12/31/2023
Exchange Traded Concepts LLC	570,257	$8,018	03/31/2024
AM	570,257	$8,018	03/31/2024
Long Focus Capital Management LLC	610,000	$7,643	12/31/2023
AM	610,000	$7,643	12/31/2023