PRICE T ROWE ASSOCIATES INC /MD/

Position in MLM — Martin Marietta Materials Inc

CIK 80255 BALTIMORE, MD

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Position in MLM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$922,330,150

+$45,879,820 QoQ

Shares Held

1,599,324

+7.4% QoQ

Ownership

2.66%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#11

of 1,068 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Common Shares in MLM Over Time

Shares Held

Position Value (USD)

Position in Building Materials

Basic Materials · as of Jun 30, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $1,964,820,058 across 11 Building Materials names. MLM ranks #1 (46.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MLM	Martin Marietta Materials Inc This page	1,599,324	$922,330,150
2	KNF	Knife River Corp	5,116,421	$427,988,615
3	CX	Cemex Sab De CV	24,220,594	$290,647,128
4	CRH	Crh Public Ltd Co	2,235,569	$239,205,883
5	VMC	Vulcan Materials CO	198,975	$58,699,614
6	AMRZ	Amrize Ltd	260,093	$13,862,956
7	EXP	Eagle Materials Inc	32,642	$7,344,450
8	JHX	James Hardie Industries plc	73,658	$1,926,614

All Filings in MLM

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$922,330,150	1,599,324	+7.4%	Shares	Sole	2026-08-14
2026-03-31	$876,450,330	1,488,840	+391.3%	Shares	Defined	2026-05-15
2025-12-31	$188,685,281	303,031	+241.4%	Shares	Sole	2026-02-17
2025-09-30	$55,944,282	88,761	-22.5%	Shares	Sole	2025-11-14
2025-06-30	$62,870,741	114,527	-45.0%	Shares	Sole	2025-08-14
2025-03-31	$99,583,481	208,277	-72.9%	Shares	Sole	2025-05-14
2024-12-31	$396,714,352	768,082	-8.2%	Shares	Sole	2025-02-14
2024-09-30	$450,567,998	837,098	-32.0%	Shares	Sole	2024-11-14
2024-06-30	$667,199,609	1,231,450	+25.6%	Shares	Defined	2024-08-14
2024-03-31	$602,090,343	980,699	+114.3%	Shares	Sole	2024-05-15
2023-12-31	$228,331,649	457,661	+0.3%	Shares	Sole	2024-02-16
2023-09-30	$187,306,538	456,311	+244.1%	Shares	Sole	2023-11-14
2023-06-30	$61,222,402	132,605	-47.1%	Shares	Sole	2023-08-14
2023-03-31	$88,999,338	250,660	-19.0%	Shares	Sole	2023-05-15
2022-12-31	$104,608,811	309,521	-3.6%	Shares	Defined	2023-02-14
2022-09-30	$103,459,172	321,212	-84.4%	Shares	Sole	2022-11-14
2022-06-30	$617,470,967	2,063,464	-13.5%	Shares	Sole	2022-08-15
2022-03-31	$918,268,252	2,385,794	-0.8%	Shares	Sole	2022-05-16
2021-12-31	$1,059,708,304	2,405,585	+31.4%	Shares	Sole	2022-02-14
2021-09-30	$625,362,211	1,830,257	+2.5%	Shares	Sole	2021-11-15
2021-06-30	$628,441,721	1,786,310	+96.1%	Shares	Sole	2021-08-16
2021-03-31	$305,828,587	910,692	-0.0%	Shares	Sole	2021-05-17
2020-12-31	$258,690,706	910,979	-0.6%	Shares	Sole	2021-02-16
2020-09-30	$215,665,781	916,323	+0.4%	Shares	Sole	2020-11-16
2020-06-30	$188,552,138	912,776	-1.0%	Shares	Sole	2020-08-14
2020-03-31	$174,506,202	922,191	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.