Magnetar Financial LLC

Position in ACM — Aecom

CIK 1352851 EVANSTON, IL

Position in ACM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,151,420

+$180,995 QoQ

Shares Held

16,496

+44.2% QoQ

Ownership

0.013%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#246

of 568 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Magnetar Financial LLC holds $51,222,296 across 10 Engineering & Construction names. ACM ranks #3 (2.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ACA	Arcosa, Inc.	316,267	$45,950,431
2	STN	Stantec Inc	18,582	$1,280,485
3	ACM	Aecom This page	16,496	$1,151,420
4	LGN	Legence Corp.	11,047	$941,535
5	EME	EMCOR Group, Inc.	605	$502,076
6	DY	Dycom Industries Inc	643	$325,093
7	ECG	Everus Construction Group, Inc.	1,942	$322,274
8	MTRX	Matrix Service Co	20,108	$275,478

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,151,420	16,496	+44.2%	Shares	Sole	2026-08-14
2026-03-31	$970,425	11,441	-30.4%	Shares	Sole	2026-05-13
2025-12-31	$1,566,462	16,432	+699.6%	Shares	Sole	2026-02-17
2025-06-30	$231,927	2,055	-98.3%	Shares	Sole	2025-08-12
2025-03-31	$11,312,039	121,989	+1382.2%	Shares	Sole	2025-05-15
2024-06-30	$725,392	8,230	-3.1%	Shares	Sole	2024-08-14
2023-09-30	$704,926	8,489	-45.4%	Shares	Sole	2023-11-14
2023-03-31	$1,309,911	15,535	+20.8%	Shares	Sole	2023-05-15
2021-09-30	$811,856	12,856	-19.8%	Shares	Sole	2022-01-14
2021-06-30	$1,015,209	16,033	+190.7%	Shares	Sole	2021-08-06
2020-09-30	$230,789	5,516	-82.6%	Shares	Sole	2020-11-16
2020-03-31	$945,737	31,683	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.