ACM

Aecom

Company with tickers: ACM

CIK

868857

CUSIP

00766T100

Shares Outstanding

128,522,920

13F Activity (30d)

291 filings 287 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-18	3,640,827	2,076,863	5,717,690	53.5%
2026-05-11	3,824,438	1,130,794	4,955,232	59.8%
2026-05-04	1,714,295	875,107	2,589,402	47.9%
2026-04-27	1,411,712	575,695	1,987,407	47.7%
2026-04-20	1,675,904	690,299	2,366,203	53.2%
2026-04-13	1,451,814	670,066	2,121,880	52.1%
2026-04-06	1,313,252	1,247,271	2,560,523	45.2%
2026-03-30	1,301,556	1,039,155	2,340,711	44.2%
2026-03-23	1,184,290	881,462	2,065,752	43.1%
2026-03-16	1,318,395	866,825	2,185,220	32.1%

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