There is a long list of 245 institutional holders of HHH 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 HHH by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-HHH table below, the initial column indicates the name of each top institutional holder of HHH, with a link to that fund's top holdings. The next columns indicate the amount of HHH stock held by each of the institutional holders of HHH, followed by the HHH 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
Pershing Square Capital Management L.P.	18,852,064	$1,612,794	12/31/2023
HHH	18,852,064	$1,612,794	12/31/2023
Vanguard Group Inc.	4,483,789	$325,613	03/31/2024
HHH	4,483,789	$325,613	03/31/2024
Dimensional Fund Advisors LP	2,546,936	$184,958	03/31/2024
HHH	2,546,936	$184,958	03/31/2024
Harris Associates L P	2,031,583	$173,802	12/31/2023
HHH	2,031,583	$173,802	12/31/2023
BlackRock Inc.	1,653,952	$120,110	03/31/2024
HHH	1,653,952	$120,110	03/31/2024
Principal Financial Group Inc.	1,484,410	$107,798	03/31/2024
HHH	1,484,410	$107,798	03/31/2024
Donald Smith & CO. Inc.	1,296,021	$94,117	03/31/2024
HHH	1,296,021	$94,117	03/31/2024
State Street Corp	589,755	$50,454	12/31/2023
HHH	589,755	$50,454	12/31/2023
JPMorgan Chase & Co.	663,510	$48,184	03/31/2024
HHH	663,510	$48,184	03/31/2024
Horizon Kinetics Asset Management LLC	561,287	$48,018	12/31/2023
HHH	561,287	$48,018	12/31/2023
Brandywine Global Investment Management LLC	657,943	$47,780	03/31/2024
HHH	657,943	$47,780	03/31/2024
Barrow Hanley Mewhinney & Strauss LLC	607,185	$44,094	03/31/2024
HHH	607,185	$44,094	03/31/2024
New South Capital Management Inc.	606,591	$44,051	03/31/2024
HHH	606,591	$44,051	03/31/2024
Geode Capital Management LLC	567,049	$41,187	03/31/2024
HHH	567,049	$41,187	03/31/2024
Morgan Stanley	423,737	$36,251	12/31/2023
HHH	423,737	$36,251	12/31/2023
Russell Investments Group Ltd.	383,122	$27,822	03/31/2024
HHH	383,122	$27,822	03/31/2024
Deutsche Bank AG	322,005	$27,548	12/31/2023
HHH	322,005	$27,548	12/31/2023
Clearbridge Investments LLC	318,814	$27,275	12/31/2023
HHH	318,814	$27,275	12/31/2023
Norges Bank	308,232	$26,369	12/31/2023
HHH	308,232	$26,369	12/31/2023
American Century Companies Inc.	271,494	$23,226	12/31/2023
HHH	271,494	$23,226	12/31/2023
Charles Schwab Investment Management Inc.	274,816	$19,957	03/31/2024
HHH	274,816	$19,957	03/31/2024
First Manhattan Co.	219,125	$18,746	12/31/2023
HHH	219,125	$18,746	12/31/2023
State of New Jersey Common Pension Fund D	247,927	$18,004	03/31/2024
HHH	247,927	$18,004	03/31/2024
Jacobs Levy Equity Management Inc.	186,099	$15,921	12/31/2023
HHH	186,099	$15,921	12/31/2023
Northern Trust Corp	184,506	$15,784	12/31/2023
HHH	184,506	$15,784	12/31/2023
Allianz Asset Management GmbH	182,249	$15,591	12/31/2023
HHH	182,249	$15,591	12/31/2023
Bank of America Corp DE	178,011	$15,229	12/31/2023
HHH	178,011	$15,229	12/31/2023
Victory Capital Management Inc.	208,186	$15,118	03/31/2024
HHH	208,186	$15,118	03/31/2024
Motley Fool Wealth Management LLC	200,298	$14,546	03/31/2024
HHH	200,298	$14,546	03/31/2024
Schonfeld Strategic Advisors LLC	162,537	$13,905	12/31/2023
HHH	162,537	$13,905	12/31/2023
Jennison Associates LLC	179,040	$13,002	03/31/2024
HHH	179,040	$13,002	03/31/2024
Jane Street Group LLC	145,242	$12,425	12/31/2023
HHH	145,242	$12,425	12/31/2023
Mesirow Institutional Investment Management Inc.	156,899	$11,394	03/31/2024
HHH	156,899	$11,394	03/31/2024
Beach Investment Counsel Inc. PA	153,487	$11,146	03/31/2024
HHH	153,487	$11,146	03/31/2024
Prospector Partners LLC	150,416	$10,923	03/31/2024
HHH	150,416	$10,923	03/31/2024
Goldman Sachs Group Inc.	106,776	$9,135	12/31/2023
HHH	106,776	$9,135	12/31/2023
Bank of Nova Scotia	103,041	$8,815	12/31/2023
HHH	103,041	$8,815	12/31/2023
Ingalls & Snyder LLC	117,339	$8,521	03/31/2024
HHH	117,339	$8,521	03/31/2024
Ancora Advisors LLC	96,445	$8,251	12/31/2023
HHH	96,445	$8,251	12/31/2023
Mitsubishi UFJ Trust & Banking Corp	107,218	$7,786	03/31/2024
HHH	107,218	$7,786	03/31/2024
Bernzott Capital Advisors	105,009	$7,626	03/31/2024
HHH	105,009	$7,626	03/31/2024
Bank of New York Mellon Corp	101,805	$7,393	03/31/2024
HHH	101,805	$7,393	03/31/2024
Nuveen Asset Management LLC	96,694	$7,022	03/31/2024
HHH	96,694	$7,022	03/31/2024
ExodusPoint Capital Management LP	78,547	$6,720	12/31/2023
HHH	78,547	$6,720	12/31/2023
D. E. Shaw & Co. Inc.	78,359	$6,704	12/31/2023
HHH	78,359	$6,704	12/31/2023
Healthcare of Ontario Pension Plan Trust Fund	74,000	$6,331	12/31/2023
HHH	74,000	$6,331	12/31/2023
Public Employees Retirement System of Ohio	72,016	$6,161	12/31/2023
HHH	72,016	$6,161	12/31/2023
Renaissance Technologies LLC	69,100	$5,912	12/31/2023
HHH	69,100	$5,912	12/31/2023
Candriam Luxembourg S.C.A.	80,978	$5,881	03/31/2024
HHH	80,978	$5,881	03/31/2024
UBS Asset Management Americas Inc.	59,877	$5,122	12/31/2023
HHH	59,877	$5,122	12/31/2023