Martin Marietta Materials Inc (MLM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

501,177Shares held by institutions

$287,595,410Value of institutional holdings

98.29%Institutional ownership %

-3.33%Shares Changed QoQ

993No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Martin Marietta Materials Inc (NYSE:MLM) showed up in the 13F filings of 1,088 institutional investors as of December 2025.

Collectively, these holders controlled 99.2% of Martin Marietta Materials's outstanding shares in December 2025, down from 106.2% in September 2025.
They decreased total shares held in Martin Marietta Materials by -4.53% from last quarter, and the number of investors in MLM increased 11.02% annually.
Among the 1,088 funds, 494 bought more Martin Marietta Materials shares, 356 sold down, and 238 held their ground.
The aggregate institutional position in Martin Marietta Materials amounted to 59.92Mn shares as of December 2025, down by 2.84Mn shares quarter on quarter, and down 2.42Mn shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held the largest stake in Martin Marietta Materials with 7.37Mn shares, accounting for 12.21% of total shares outstanding.
The most significant purchases of MLM for the quarter ending December 2025 came from VICTORY CAPITAL MANAGEMENT INC (836.12K), NORGES BANK (569.62K), T. Rowe Price Investment Management, Inc. (462.21K), BlackRock, Inc. (334.22K), Interval Partners, LP (207.17K).
The largest sellers of Martin Marietta Materials for the quarter ending December 2025 were Jpmorgan Chase & Co (3.64Mn), Bank Of America Corp /De/ (2.35Mn), MACQUARIE GROUP LTD (196.21K), DIAMOND HILL CAPITAL MANAGEMENT INC (135.41K), RDST Capital LLC (121.65K).
Martin Marietta Materials's 10 largest shareholders as of December 2025 include VANGUARD GROUP INC (7.37Mn), BlackRock, Inc. (4.49Mn), FMR LLC (2.92Mn), State Street Corp (2.77Mn), VICTORY CAPITAL MANAGEMENT INC (2.45Mn), Bank Of America Corp /De/ (2.38Mn), Jpmorgan Chase & Co (2.23Mn), Principal Financial Group Inc (2.17Mn), Aristotle Capital Management, LLC (2.05Mn), GEODE CAPITAL MANAGEMENT, LLC (1.55Mn) per Business Quant data.

1,091 Institutional Holders

501,177 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	334,218	8.05%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-69,061	-0.93%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	462,213	43.87%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	91,207	76.86%	$0.00
FMR LLC	31 Dec, 2025	42,247	1.47%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	10,410	2.53%	$0.00
Barclays Plc	31 Dec, 2025	-189,619	-59.86%	$0.00
State Street Corp	31 Dec, 2025	-25,557	-0.91%	$0.00
Skye Global Management LP	31 Dec, 2025	2,000	0.74%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	17,938	165.66%	$0.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	836,120	51.84%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	-7,153	-2.58%	$0.00
STANCE CAPITAL LLC	31 Dec, 2025	2,208	0.00%	$0.00
Bank Of America Corp /De/	31 Dec, 2025	-2,353,195	-49.73%	$0.00
UBS Group AG	31 Dec, 2025	-98,565	-29.61%	$0.00
J. Derek Lewis & Associates Inc.	31 Dec, 2025	345	0.00%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	-3,639,979	-62.01%	$0.00
HAWK RIDGE CAPITAL MANAGEMENT LP	31 Dec, 2025	13,480	7.45%	$0.00
Osbon Capital Management LLC	31 Dec, 2025	136	0.00%	$0.00
Principal Financial Group Inc	31 Dec, 2025	-33,679	-1.53%	$0.00

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