Boston Partners

Position in ACM — Aecom

CIK 1386060 BOSTON, MA

Position in ACM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$10,116,989

-$2,247,977 QoQ

Shares Held

119,276

-8.0% QoQ

Ownership

0.093%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 83.61782755960965.ToString("F0")% Shared 0.ToString("F0")% None 16.382172440390356.ToString("F0")%

Industrials · as of Mar 31, 2026

Boston Partners holds $792,637,347 across 14 Engineering & Construction names. ACM ranks #8 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	J	Jacobs Solutions Inc.	2,429,924	$309,280,725
2	BLD	QXO Insulation, LLC	830,113	$291,618,695
3	GVA	Granite Construction Inc	510,851	$61,240,817
4	TPC	Tutor Perini Corp	450,788	$34,796,325
5	KBR	Kbr, Inc.	824,160	$30,378,537
6	STRL	Sterling Infrastructure, Inc.	57,892	$23,577,673
7	MYRG	Myr Group Inc.	81,819	$23,099,140
8	ACM	Aecom This page	119,276	$10,116,989

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,116,989	119,276	-8.0%	Shares	Defined	2026-05-11
2025-12-31	$12,364,966	129,707	+13.7%	Shares	Defined	2026-02-13
2025-09-30	$14,888,322	114,113	-1.3%	Shares	Defined	2025-11-13
2025-06-30	$13,045,825	115,593	+7.6%	Shares	Defined	2025-08-12
2025-03-31	$9,962,168	107,432	-5.5%	Shares	Defined	2025-05-13
2021-06-30	$7,198,913	113,691	-57.1%	Shares	Other	2021-08-12
2021-03-31	$17,005,817	265,260	-50.3%	Shares	Other	2021-05-10
2020-12-31	$26,588,043	534,111	-14.2%	Shares	Defined	2021-02-10
2020-09-30	$26,040,293	622,378	-3.3%	Shares	Defined	2020-11-13
2020-06-30	$24,193,100	643,776	+102.3%	Shares	Defined	2020-08-12
2020-03-31	$9,496,807	318,151	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.