Harvey Partners, LLC

Position in MLM — Martin Marietta Materials Inc

CIK 1406484 Tarrytown, NY

Position in MLM

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$37,631,369

+$5,791,650 QoQ

Shares Held

63,925

+25.0% QoQ

Ownership

0.106%

of shares outstanding

% of Portfolio

3.17%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

14 quarters on record

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

Basic Materials · as of Mar 31, 2026

Harvey Partners, LLC holds $37,631,369 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	63,925	$37,631,369

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$37,631,369	63,925	+25.0%	Shares	Sole	2026-05-15
2025-12-31	$31,839,719	51,135	+0.1%	Shares	Sole	2026-02-17
2025-09-30	$32,207,308	51,100	+6.6%	Shares	Sole	2025-11-14
2025-06-30	$26,311,652	47,930	+71.2%	Shares	Sole	2025-08-14
2025-03-31	$13,387,640	28,000	+14.3%	Shares	Sole	2025-05-15
2024-12-31	$12,654,250	24,500	+44.1%	Shares	Sole	2025-02-14
2024-09-30	$9,150,250	17,000	-62.8%	Shares	Sole	2024-11-14
2024-06-30	$24,787,350	45,750	-5.7%	Shares	Sole	2024-08-14
2024-03-31	$29,776,090	48,500	+21.2%	Shares	Sole	2024-05-15
2023-12-31	$19,956,400	40,000	+8.1%	Shares	Sole	2024-02-14
2023-09-30	$15,187,760	37,000	+21.3%	Shares	Sole	2023-11-14
2023-06-30	$14,081,545	30,500	+258.8%	Shares	Sole	2023-08-14
2020-06-30	$1,755,845	8,500	-10.5%	Shares	Sole	2020-08-14
2020-03-31	$1,797,685	9,500	—	Shares	Sole	2020-06-23
No filing history on record for this holder in this stock.