CONGRESS ASSET MANAGEMENT CO

Position in MLM — Martin Marietta Materials Inc

CIK 897378 BOSTON, MA

Position in MLM

as of Jun 30, 2026 · filed Jul 7, 2026 Compact

Position Value

$35,149,865

-$104,938,903 QoQ

Shares Held

60,950

-74.4% QoQ

Ownership

0.101%

of shares outstanding

% of Portfolio

0.22%

of 13F equity value

Holder Rank

#101

of 1,072 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 90% Shared 10% None 1%

Basic Materials · as of Jun 30, 2026

CONGRESS ASSET MANAGEMENT CO holds $42,487,475 across 2 Building Materials names. MLM ranks #1 (82.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	MLM	Martin Marietta Materials Inc This page	60,950	$35,149,865
2	KNF	Knife River Corp	87,718	$7,337,610

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$35,149,865	60,950	-74.4%	Shares	Sole	2026-07-07
2026-03-31	$140,088,768	237,971	-0.7%	Shares	Sole	2026-04-14
2025-12-31	$149,210,506	239,634	-2.0%	Shares	Sole	2026-01-09
2025-09-30	$154,103,460	244,500	-0.7%	Shares	Sole	2025-10-10
2025-06-30	$135,201,162	246,286	-3.0%	Shares	Sole	2025-07-16
2025-03-31	$121,420,635	253,949	-0.1%	Shares	Sole	2025-04-11
2024-12-31	$131,250,914	254,116	+0.4%	Shares	Sole	2025-01-30
2024-09-30	$136,273,058	253,178	+0.5%	Shares	Sole	2024-10-28
2024-06-30	$136,498,924	251,936	+1.0%	Shares	Sole	2024-08-02
2024-03-31	$153,182,327	249,507	+0.2%	Shares	Sole	2024-04-11
2023-12-31	$124,220,108	248,983	+1.2%	Shares	Sole	2024-03-04
2023-09-30	$100,960,018	245,956	+1.4%	Shares	Sole	2023-11-01
2023-06-30	$112,003,223	242,594	+258.0%	Shares	Sole	2023-07-27
2023-03-31	$24,058,510	67,759	+0.9%	Shares	Sole	2023-04-21
2022-12-31	$22,699,417	67,164	-8.0%	Shares	Sole	2023-01-18
2022-09-30	$23,504,839	72,976	+1.5%	Shares	Sole	2022-11-08
2022-06-30	$21,504,882	71,865	-0.5%	Shares	Sole	2022-08-02
2022-03-31	$27,805,608	72,243	-2.7%	Shares	Sole	2022-04-20
2021-12-31	$32,703,323	74,238	-11.8%	Shares	Sole	2022-01-28
2021-09-30	$28,747,588	84,136	+14.1%	Shares	Sole	2021-11-08
2021-06-30	$25,942,469	73,740	+1.2%	Shares	Sole	2021-08-05
2021-03-31	$24,461,800	72,842	-4.0%	Shares	Sole	2021-05-05
2020-12-31	$21,554,742	75,905	+1.3%	Shares	Sole	2021-01-26
2020-09-30	$17,632,700	74,918	+110.3%	Shares	Sole	2020-11-03
2020-06-30	$7,358,849	35,624	—	Shares	Sole	2020-07-23
No filing history on record for this holder in this stock.