Douglass Winthrop Advisors, LLC

Position in MLM — Martin Marietta Materials Inc

CIK 1308527 NEW YORK, NY

Position in MLM

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$128,963,893

-$10,282,808 QoQ

Shares Held

219,073

-2.0% QoQ

Ownership

0.365%

of shares outstanding

% of Portfolio

2.72%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

Douglass Winthrop Advisors, LLC holds $128,963,893 across 1 Building Materials name. MLM ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	MLM	Martin Marietta Materials Inc This page	219,073	$128,963,893

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$128,963,893	219,073	-2.0%	Shares	Sole	2026-05-14
2025-12-31	$139,246,701	223,632	-3.7%	Shares	Sole	2026-02-12
2025-09-30	$146,372,445	232,234	+0.8%	Shares	Sole	2025-11-13
2025-06-30	$126,422,743	230,295	+3.5%	Shares	Sole	2025-08-14
2025-03-31	$106,357,627	222,445	+12.5%	Shares	Sole	2025-05-14
2024-12-31	$102,144,073	197,762	+2.2%	Shares	Sole	2025-02-11
2024-09-30	$104,198,741	193,588	+2.2%	Shares	Sole	2024-11-12
2024-06-30	$102,675,434	189,508	+0.9%	Shares	Sole	2024-08-07
2024-03-31	$115,347,661	187,881	+0.3%	Shares	Sole	2024-05-13
2023-12-31	$93,459,313	187,327	-0.1%	Shares	Sole	2024-02-12
2023-09-30	$76,965,410	187,501	+0.8%	Shares	Sole	2023-11-13
2023-06-30	$85,890,499	186,035	+1.3%	Shares	Sole	2023-08-14
2023-03-31	$65,223,456	183,697	+21.5%	Shares	Sole	2023-05-15
2022-12-31	$51,105,457	151,213	+1359.3%	Shares	Sole	2023-02-13
2022-09-30	$3,337,496	10,362	-0.6%	Shares	Sole	2022-11-15
2022-06-30	$3,120,474	10,428	-2.4%	Shares	Sole	2022-08-11
2022-03-31	$4,113,704	10,688	-15.4%	Shares	Sole	2022-05-16
2021-12-31	$5,566,410	12,636	-5.7%	Shares	Sole	2022-02-14
2021-09-30	$4,576,803	13,395	-14.0%	Shares	Sole	2021-11-10
2021-06-30	$5,481,551	15,581	-30.6%	Shares	Sole	2021-08-02
2021-03-31	$7,536,136	22,441	-93.2%	Shares	Sole	2021-05-13
2020-12-31	$93,470,429	329,156	+0.2%	Shares	Sole	2021-01-27
2020-09-30	$77,317,642	328,508	+1.6%	Shares	Sole	2020-11-12
2020-06-30	$66,785,113	323,305	+7.2%	Shares	Sole	2020-07-17
2020-03-31	$57,077,823	301,632	—	Shares	Sole	2020-04-23
No filing history on record for this holder in this stock.