Aecom (ACM)
SERVICES-ENGINEERING SERVICES
Aecom (ACM) is listed on the New York Stock Exchange, where it has traded since May 10, 2007.
- Listed On
- the New York Stock Exchange
- Listed Since
- May 10, 2007
- Employees
- 51,000
- Market Cap
- $7.8B
About Aecom
Aecom is one of the largest global providers of advisory, design, and engineering services. It serves a broad spectrum of end markets, including water, transportation, and environment. Based in Dallas, Aecom employs 51,000 people. The company generated $16.1 billion in sales in fiscal 2025.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 561 institutions reported holding ACM, with 117.6 million shares worth $8.2 billion in aggregate. The largest reported holder was BlackRock, with 14.4 million shares worth $1.0 billion. Of the 5 largest holders listed below, 4 added shares and 1 reduced its position during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 14,379,638 | $1.0B | Reduced 8.76% |
| Vanguard | 12,305,811 | $859M | Added 0.18% |
| Primecap Management Co | 8,787,043 | $613M | Added 1.62% |
| Barrow Hanley Mewhinney & Strauss | 5,497,153 | $384M | Added 92.7% |
| UBS Group | 5,260,727 | $367M | Added 7.2% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ACM?
Aecom (ACM) is listed on the New York Stock Exchange, where it has traded since May 10, 2007.
Who are the largest institutional holders of ACM?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ACM were BlackRock, Vanguard and Primecap Management Co.
How many institutions own ACM?
561 institutions reported a position in ACM for the quarter ended June 30, 2026, worth $8.2 billion in total.
Did institutions buy or sell ACM last quarter?
Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter. Every reported holder and its change is on the SentiSense ownership page for ACM.
Every reported institutional holder, plus insider and congressional trades in ACM, on SentiSense.