GROUP ONE TRADING LLC

Position in ACM — Aecom

CIK 932540 CHICAGO, IL

Position in ACM

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

Position Value

$1,088,391

+$1,058,458 QoQ

Shares Held

15,593

+4865.9% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#251

of 568 holders

Holding Since

Mar 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $6,631,890 across 12 Engineering & Construction names. ACM ranks #2 (16.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FLR	Fluor Corp	46,832	$2,453,528
2	ACM	Aecom This page	15,593	$1,088,391
3	TTEK	Tetra Tech Inc	33,974	$981,508
4	PWR	Quanta Services, Inc.	893	$642,995
5	FIX	Comfort Systems USA Inc	307	$608,458
6	STRL	Sterling Infrastructure, Inc.	723	$606,857
7	KBR	Kbr, Inc.	1,993	$68,818
8	AMRC	Ameresco, Inc.	2,180	$60,168

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,088,391	15,593	+4865.9%	Shares	Sole	2026-08-14
2025-12-31	$29,933	314	-91.7%	Shares	Sole	2026-02-12
2022-12-31	$323,073	3,804	-71.7%	Shares	Sole	2023-02-09
2022-09-30	$920,396	13,462	+162.1%	Shares	Sole	2022-11-09
2022-06-30	$335,035	5,137	-94.6%	Shares	Sole	2022-08-11
2021-12-31	$7,341,752	94,916	+76.8%	Shares	Sole	2022-02-11
2021-09-30	$3,390,712	53,693	+28.5%	Shares	Sole	2021-11-12
2021-06-30	$2,645,129	41,774	-68.4%	Shares	Sole	2021-08-10
2021-03-31	$8,462,199	131,995	+240.9%	Shares	Sole	2021-05-12
2020-12-31	$1,927,630	38,723	+83.3%	Shares	Sole	2021-02-10
2020-09-30	$883,660	21,120	+215.7%	Shares	Sole	2020-11-12
2020-06-30	$251,372	6,689	+10865.6%	Shares	Sole	2020-08-13
2020-03-31	$1,820	61	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.