SEI INVESTMENTS CO

Position in MLM — Martin Marietta Materials Inc

CIK 350894 OAKS, PA

Position in MLM

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$85,813,060

-$8,279,583 QoQ

Shares Held

145,772

-3.5% QoQ

Ownership

0.243%

of shares outstanding

% of Portfolio

0.10%

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

SEI INVESTMENTS CO holds $309,357,224 across 10 Building Materials names. MLM ranks #1 (27.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MLM	Martin Marietta Materials Inc This page	145,772	$85,813,060
2	CX	Cemex Sab De CV	4,150,537	$47,482,142
3	VMC	Vulcan Materials CO	168,343	$45,839,798
4	CRH	Crh Public Ltd Co	435,347	$45,763,676
5	EXP	Eagle Materials Inc	196,109	$37,152,849
6	AMRZ	Amrize Ltd	508,562	$28,489,642
7	JHX	James Hardie Industries plc	718,202	$13,602,745
8	KNF	Knife River Corp	24,477	$1,998,546

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$85,813,060	145,772	-3.5%	Shares	Sole	2026-05-13
2025-12-31	$94,092,643	151,114	-5.5%	Shares	Sole	2026-02-13
2025-09-30	$100,797,528	159,925	-0.1%	Shares	Sole	2025-11-13
2025-06-30	$87,921,982	160,161	-7.0%	Shares	Sole	2025-08-14
2025-03-31	$82,322,988	172,177	+9.3%	Shares	Sole	2025-05-14
2024-12-31	$81,350,816	157,504	-1.3%	Shares	Sole	2025-02-11
2024-09-30	$85,890,704	159,574	+9.0%	Shares	Sole	2024-11-12
2024-06-30	$79,346,609	146,450	-1.7%	Shares	Sole	2024-08-13
2024-03-31	$91,493,635	149,027	-0.1%	Shares	Sole	2024-05-07
2023-12-31	$74,409,930	149,145	+1.7%	Shares	Sole	2024-02-14
2023-09-30	$60,168,568	146,581	+8.0%	Shares	Sole	2023-11-14
2023-06-30	$62,654,103	135,706	-1.5%	Shares	Sole	2023-08-11
2023-03-31	$48,918,036	137,774	+8.8%	Shares	Sole	2023-05-12
2022-12-31	$42,793,084	126,618	+5.2%	Shares	Sole	2023-02-10
2022-09-30	$38,782,856	120,410	-2.5%	Shares	Sole	2022-11-14
2022-06-30	$36,940,878	123,449	+2.8%	Shares	Sole	2022-08-15
2022-03-31	$46,214,896	120,073	+0.5%	Shares	Sole	2022-05-13
2021-12-31	$52,614,827	119,438	+15.8%	Shares	Sole	2022-02-14
2021-09-30	$35,250,783	103,169	+6.7%	Shares	Sole	2021-11-12
2021-06-30	$34,009,824	96,671	+0.4%	Shares	Sole	2021-08-06
2021-03-31	$32,330,063	96,272	-1.2%	Shares	Sole	2021-05-12
2020-12-31	$27,657,258	97,395	-4.1%	Shares	Sole	2021-02-08
2020-09-30	$23,894,923	101,525	-3.1%	Shares	Sole	2020-12-04
2020-06-30	$21,650,601	104,810	+11.6%	Shares	Sole	2020-08-17
2020-03-31	$17,765,857	93,885	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.