Boston Partners

Position in ACM — Aecom

CIK 1386060 BOSTON, MA

Position in ACM

as of Jun 30, 2026 · filed Aug 4, 2026 Compact

Position Value

$9,662,273

-$454,716 QoQ

Shares Held

138,428

+16.1% QoQ

Ownership

0.108%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#89

of 573 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 87% Shared 0% None 13%

Industrials · as of Jun 30, 2026

Boston Partners holds $584,839,893 across 14 Engineering & Construction names. ACM ranks #6 (1.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	J	Jacobs Solutions Inc.	2,693,079	$339,327,954
2			287,347	$101,873,131
3	GVA	Granite Construction Inc	338,119	$53,449,850
4	TPC	Tutor Perini Corp	560,943	$46,541,440
5	KBR	Kbr, Inc.	492,185	$16,995,148
6	ACM	Aecom This page	138,428	$9,662,273
7	ACA	Arcosa, Inc.	36,346	$5,280,710
8	STRL	Sterling Infrastructure, Inc.	4,313	$3,620,159

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,662,273	138,428	+16.1%	Shares	Defined	2026-08-04
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.