FIRST MANHATTAN CO. LLC.

Position in MLM — Martin Marietta Materials Inc

CIK 728083 NEW YORK, NY

Position in MLM

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

Position Value

$20,299,840

-$340,458 QoQ

Shares Held

35,200

+0.4% QoQ

Ownership

0.059%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#139

of 1,072 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Basic Materials · as of Jun 30, 2026

FIRST MANHATTAN CO. LLC. holds $193,109,426 across 4 Building Materials names. MLM ranks #2 (10.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMRZ	Amrize Ltd	3,144,788	$167,617,200
2	MLM	Martin Marietta Materials Inc This page	35,200	$20,299,840
3	KNF	Knife River Corp	47,056	$3,936,234
4	VMC	Vulcan Materials CO	4,258	$1,256,152

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$20,299,840	35,200	+0.4%	Shares	Sole	2026-08-14
2026-03-31	$20,640,298	35,062	-0.1%	Shares	Sole	2026-05-15
2025-12-31	$21,858,479	35,105	-1.7%	Shares	Sole	2026-02-17
2025-09-30	$22,516,122	35,724	-0.5%	Shares	Sole	2025-11-14
2025-06-30	$19,703,821	35,893	+0.8%	Shares	Sole	2025-08-14
2025-03-31	$17,019,037	35,595	+2.8%	Shares	Sole	2025-05-15
2024-12-31	$17,879,680	34,617	+0.6%	Shares	Sole	2025-02-14
2024-09-30	$18,527,103	34,421	+1.4%	Shares	Sole	2024-11-14
2024-06-30	$18,392,484	33,947	+1.2%	Shares	Sole	2024-08-15
2024-03-31	$20,590,319	33,538	-0.2%	Shares	Sole	2024-05-15
2023-12-31	$16,762,378	33,598	-9.0%	Shares	Sole	2024-02-13
2023-09-30	$15,149,995	36,908	-0.8%	Shares	Sole	2023-11-14
2023-06-30	$17,177,638	37,206	0.0%	Shares	Sole	2023-08-14
2023-03-31	$13,210,362	37,206	-16.3%	Shares	Sole	2023-05-15
2022-12-31	$15,031,215	44,475	-1.1%	Shares	Sole	2023-02-14
2022-09-30	$14,491,473	44,992	-0.0%	Shares	Sole	2022-11-14
2022-06-30	$13,466,099	45,001	-0.2%	Shares	Sole	2022-08-15
2022-03-31	$17,360,078	45,104	-0.3%	Shares	Sole	2022-05-16
2021-12-31	$19,928,684	45,239	-1.0%	Shares	Sole	2022-02-14
2021-09-30	$15,621,267	45,719	-3.1%	Shares	Sole	2021-11-15
2021-06-30	$16,605,783	47,201	0.0%	Shares	Sole	2021-08-16
2021-03-31	$15,851,039	47,201	-0.3%	Shares	Sole	2021-05-14
2020-12-31	$13,443,423	47,341	-2.1%	Shares	Sole	2021-02-16
2020-09-30	$11,386,952	48,381	-0.3%	Shares	Sole	2020-11-12
2020-06-30	$10,019,884	48,506	+1684.6%	Shares	Sole	2020-08-14
2020-03-31	$514,327	2,718	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.