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Below is a table of the ACM shares outstanding history going back to 2/1/2010:
Also see: ACM Market Cap History ACM YTD Return |
ACM Shares Outstanding History — AECOM Share Count Over Time
As of 5/8/2026 AECOM has 128.52 million ACM shares outstanding. Investors often track the ACM shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows ACM share count trends over time, with 67 historical shares outstanding datapoints presented, dating back to 2/1/2010.
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ACM Historical Shares Outstanding: +0.74% CAGR 
Mouse over chart for data details
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| ACM Stock Price Chart |
| About AECOM |
| AECOM is an infrastructure consulting company, providing professional services throughout the project lifecycle. Co.'s business is focused primarily on providing fee-based knowledge-based services. Co.'s segments include Americas, International and AECOM Capital (ACAP). The Americas segment provides planning, consulting, architectural and engineering design, construction management and program management services to public and private clients in the U.S., Canada, and Latin America. We show 67 historical shares outstanding datapoints in our coverage of ACM's shares outstanding history. Understanding the changing numbers of ACM shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like ACM versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching ACM by allowing them to research ACM shares outstanding history as well as any other stock in our coverage universe. |
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| Video: Shares Outstanding Importance | |
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Video: Shares Outstanding Importance
| ACM Share Performance |
| Shares Outstanding Peers |
| AECOM (ACM) is categorized under the Industrials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
ACMR Shares Outstanding History ACTC Shares Outstanding History ACVA Shares Outstanding History ADN Shares Outstanding History ADP Shares Outstanding History ADS Shares Outstanding History AEGN Shares Outstanding History AER Shares Outstanding History AETI Shares Outstanding History AFRM Shares Outstanding History More Industrials companies » |
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