There is a long list of 918 institutional holders of MLM 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 MLM by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MLM table below, the initial column indicates the name of each top institutional holder of MLM, with a link to that fund's top holdings. The next columns indicate the amount of MLM stock held by each of the institutional holders of MLM, followed by the MLM 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
Vanguard Group Inc.	7,185,521	$4,411,479	03/31/2024
MLM	7,185,521	$4,411,479	03/31/2024
BlackRock Inc.	4,095,449	$2,514,360	03/31/2024
MLM	4,095,449	$2,514,360	03/31/2024
Aristotle Capital Management LLC	2,970,210	$1,481,868	12/31/2023
MLM	2,970,210	$1,481,868	12/31/2023
Baillie Gifford & Co.	2,274,528	$1,396,424	03/31/2024
MLM	2,274,528	$1,396,424	03/31/2024
JPMorgan Chase & Co.	2,087,153	$1,281,387	03/31/2024
MLM	2,087,153	$1,281,387	03/31/2024
State Street Corp	2,491,214	$1,242,892	12/31/2023
MLM	2,491,214	$1,242,892	12/31/2023
Select Equity Group L.P.	2,432,313	$1,213,505	12/31/2023
MLM	2,432,313	$1,213,505	12/31/2023
FMR LLC	1,727,938	$862,085	12/31/2023
MLM	1,727,938	$862,085	12/31/2023
Amundi	1,682,579	$836,793	12/31/2023
MLM	1,682,579	$836,793	12/31/2023
T. Rowe Price Investment Management Inc.	1,638,122	$817,276	12/31/2023
MLM	1,638,122	$817,276	12/31/2023
Geode Capital Management LLC	1,425,070	$709,184	12/31/2023
MLM	1,425,070	$709,184	12/31/2023
Principal Financial Group Inc.	948,908	$582,573	03/31/2024
MLM	948,908	$582,573	03/31/2024
CIBC Private Wealth Group LLC	850,814	$514,249	03/31/2024
MLM	850,814	$514,249	03/31/2024
Gardner Russo & Gardner LLC	940,568	$469,259	12/31/2023
MLM	940,568	$469,259	12/31/2023
Goldman Sachs Group Inc.	919,229	$458,613	12/31/2023
MLM	919,229	$458,613	12/31/2023
Morgan Stanley	786,443	$392,366	12/31/2023
MLM	786,443	$392,366	12/31/2023
Dimensional Fund Advisors LP	610,922	$375,069	03/31/2024
MLM	610,922	$375,069	03/31/2024
King Luther Capital Management Corp	687,401	$342,951	12/31/2023
MLM	687,401	$342,951	12/31/2023
Massachusetts Financial Services Co. MA	642,303	$320,451	12/31/2023
MLM	642,303	$320,451	12/31/2023
Norges Bank	618,758	$308,705	12/31/2023
MLM	618,758	$308,705	12/31/2023
Invesco Ltd.	614,586	$306,623	12/31/2023
MLM	614,586	$306,623	12/31/2023
Northern Trust Corp	589,364	$294,040	12/31/2023
MLM	589,364	$294,040	12/31/2023
Bank of New York Mellon Corp	453,954	$278,701	03/31/2024
MLM	453,954	$278,701	03/31/2024
Bank of America Corp DE	534,364	$266,599	12/31/2023
MLM	534,364	$266,599	12/31/2023
Findlay Park Partners LLP	390,842	$239,954	03/31/2024
MLM	390,842	$239,954	03/31/2024
Charles Schwab Investment Management Inc.	372,195	$228,505	03/31/2024
MLM	372,195	$228,505	03/31/2024
Price T Rowe Associates Inc. MD	457,661	$228,332	12/31/2023
MLM	457,661	$228,332	12/31/2023
William Blair Investment Management LLC	371,213	$227,903	03/31/2024
MLM	371,213	$227,903	03/31/2024
Diamond Hill Capital Management Inc.	449,630	$224,325	12/31/2023
MLM	449,630	$224,325	12/31/2023
DAVENPORT & Co LLC	358,469	$219,409	03/31/2024
MLM	358,469	$219,409	03/31/2024
Fred Alger Management LLC	394,799	$196,969	12/31/2023
MLM	394,799	$196,969	12/31/2023
Alkeon Capital Management LLC	389,669	$194,410	12/31/2023
MLM	389,669	$194,410	12/31/2023
Franklin Resources Inc.	387,133	$193,145	12/31/2023
MLM	387,133	$193,145	12/31/2023
Legal & General Group Plc	351,411	$175,323	12/31/2023
MLM	351,411	$175,323	12/31/2023
Mirae Asset Global Investments Co. Ltd.	285,149	$175,064	03/31/2024
MLM	285,149	$175,064	03/31/2024
Macquarie Group Ltd.	349,814	$174,526	12/31/2023
MLM	349,814	$174,526	12/31/2023
Mawer Investment Management Ltd.	280,950	$172,486	03/31/2024
MLM	280,950	$172,486	03/31/2024
Eagle Asset Management Inc.	269,041	$162,614	03/31/2024
MLM	269,041	$162,614	03/31/2024
London Co. of Virginia	325,754	$162,522	12/31/2023
MLM	325,754	$162,522	12/31/2023
Mitsubishi UFJ Trust & Banking Corp	250,812	$153,981	03/31/2024
MLM	250,812	$153,981	03/31/2024
Congress Asset Management Co. MA	249,507	$153,182	03/31/2024
MLM	249,507	$153,182	03/31/2024
Balyasny Asset Management LLC	277,182	$138,289	12/31/2023
MLM	277,182	$138,289	12/31/2023
DekaBank Deutsche Girozentrale	200,340	$121,967	03/31/2024
MLM	200,340	$121,967	03/31/2024
Royal Bank of Canada	239,051	$119,265	12/31/2023
MLM	239,051	$119,265	12/31/2023
Clearbridge Investments LLC	231,220	$115,358	12/31/2023
MLM	231,220	$115,358	12/31/2023
Barclays PLC	228,997	$114,247	12/31/2023
MLM	228,997	$114,247	12/31/2023
Swiss National Bank	185,070	$113,622	03/31/2024
MLM	185,070	$113,622	03/31/2024
Rathbone Brothers plc	212,727	$106,132	12/31/2023
MLM	212,727	$106,132	12/31/2023
UBS Asset Management Americas Inc.	209,643	$104,593	12/31/2023
MLM	209,643	$104,593	12/31/2023
Nuveen Asset Management LLC	194,011	$96,794	12/31/2023
MLM	194,011	$96,794	12/31/2023