STEGINSKY CAPITAL LLC

Position in MLM — Martin Marietta Materials Inc

CIK 1120048 PORT WASHINGTON, NY

Position in MLM

as of Jun 30, 2026 · filed Jul 9, 2026 Compact

Position Value

$79,901,208

+$4,344,130 QoQ

Shares Held

138,549

+7.9% QoQ

Ownership

0.231%

of shares outstanding

% of Portfolio

19.04%

of 13F equity value

Holder Rank

of 78 holders

Holding Since

Mar 2020

26 quarters on record

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

Basic Materials · as of Jun 30, 2026

STEGINSKY CAPITAL LLC holds $79,901,208 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	138,549	$79,901,208

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$79,901,208	138,549	+7.9%	Shares	Sole	2026-07-09
2026-03-31	$75,557,078	128,350	+7.3%	Shares	Sole	2026-05-04
2025-12-31	$74,491,929	119,635	-0.0%	Shares	Sole	2026-02-05
2025-09-30	$75,414,892	119,653	+0.8%	Shares	Sole	2025-11-13
2025-06-30	$65,195,587	118,762	+4.2%	Shares	Sole	2025-08-12
2025-03-31	$54,512,079	114,011	+1.5%	Shares	Sole	2025-05-15
2024-12-31	$57,996,235	112,287	+2.7%	Shares	Sole	2025-02-11
2024-09-30	$58,843,104	109,323	+0.8%	Shares	Sole	2024-11-12
2024-06-30	$58,741,414	108,419	-0.2%	Shares	Sole	2024-08-14
2024-03-31	$66,727,910	108,688	+0.4%	Shares	Sole	2024-05-13
2023-12-31	$54,024,469	108,285	-0.2%	Shares	Sole	2024-02-14
2023-09-30	$44,556,783	108,548	-0.3%	Shares	Sole	2023-11-14
2023-06-30	$50,271,577	108,886	+2.5%	Shares	Sole	2023-07-13
2023-03-31	$37,711,277	106,211	-4.3%	Shares	Sole	2023-05-12
2022-12-31	$37,517,035	111,007	+0.2%	Shares	Sole	2023-01-31
2022-09-30	$35,696,912	110,829	+1.7%	Shares	Sole	2022-11-14
2022-06-30	$32,622,546	109,018	+12.3%	Shares	Sole	2022-07-26
2022-03-31	$37,357,038	97,059	0.0%	Shares	Sole	2022-05-13
2021-12-31	$42,756,430	97,059	-0.0%	Shares	Sole	2022-02-10
2021-09-30	$33,163,460	97,060	-0.4%	Shares	Sole	2021-11-12
2021-06-30	$34,285,643	97,455	-0.9%	Shares	Sole	2021-08-13
2021-03-31	$33,023,195	98,336	-0.5%	Shares	Sole	2021-05-14
2020-12-31	$28,076,113	98,870	+0.4%	Shares	Sole	2021-02-08
2020-09-30	$23,169,073	98,441	+5.0%	Shares	Sole	2020-10-30
2020-06-30	$19,366,557	93,753	+1.0%	Shares	Sole	2020-08-03
2020-03-31	$17,572,654	92,864	—	Shares	Sole	2020-05-22
No filing history on record for this holder in this stock.