WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in ABM — Abm Industries Inc /De/

CIK 1644956 CHICAGO, IL

Position in ABM

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$17,043,902

-$1,742,340 QoQ

Shares Held

385,260

-21.0% QoQ

Ownership

0.658%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#29

of 305 holders

Holding Since

Jun 2021

21 quarters on record

Voting authority Sole 62% Shared 0% None 38%

Industrials · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $137,500,142 across 4 Specialty Business Services names. ABM ranks #3 (12.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CPRT	Copart Inc	3,159,978	$89,079,779
2	ULS	UL Solutions Inc.	224,742	$22,892,220
3	ABM	Abm Industries Inc /De/ This page	385,260	$17,043,902
4	MMS	Maximus, Inc.	157,817	$8,484,241

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$17,043,902	385,260	-21.0%	Shares	Sole	2026-08-12
2026-03-31	$18,786,242	487,701	+3.5%	Shares	Sole	2026-05-08
2025-12-31	$19,928,376	471,120	-31.0%	Shares	Sole	2026-02-09
2025-09-30	$31,470,673	682,365	-5.7%	Shares	Sole	2025-11-12
2025-06-30	$34,166,443	723,712	-7.5%	Shares	Sole	2025-07-29
2025-03-31	$37,073,881	782,810	-4.4%	Shares	Sole	2025-05-09
2024-12-31	$41,906,695	818,810	+2.5%	Shares	Sole	2025-02-10
2024-09-30	$42,156,664	799,027	-3.1%	Shares	Sole	2024-11-08
2024-06-30	$41,704,623	824,691	-0.2%	Shares	Sole	2024-08-08
2024-03-31	$36,879,010	826,513	-0.1%	Shares	Sole	2024-05-08
2023-12-31	$37,078,130	827,083	-1.9%	Shares	Sole	2024-02-09
2023-09-30	$33,743,313	843,372	-6.6%	Shares	Sole	2023-11-09
2023-06-30	$38,497,297	902,633	+1.9%	Shares	Sole	2023-08-11
2023-03-31	$39,816,120	885,984	+0.3%	Shares	Sole	2023-05-12
2022-12-31	$39,250,622	883,625	-3.6%	Shares	Sole	2023-02-09
2022-09-30	$35,058,439	917,040	-1.7%	Shares	Sole	2022-11-09
2022-06-30	$40,524,971	933,325	-3.0%	Shares	Sole	2022-08-10
2022-03-31	$44,314,144	962,514	-1.2%	Shares	Sole	2022-05-11
2021-12-31	$39,796,723	974,216	+27.9%	Shares	Sole	2022-02-14
2021-09-30	$34,293,839	761,916	+48122.5%	Shares	Sole	2021-11-10
2021-06-30	$70,073	1,580	—	Shares	Sole	2021-08-12
No filing history on record for this holder in this stock.