Aecom (ACM)
NYSE: ACM · Services-Engineering Services · Dallas, TX · filing with the SEC since 2002
Grade5.5
◀ Past 5.9● Present 5.9▶ Future 4.5
Who owns Aecom
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 10.1% of Common Stock, as its SCHEDULE 13G/A filed Feb 6, 2026 says.
Directors and officers
11
report now, of 40 people on the record since 2007. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Feb 6, 2026 · Common Stock · 9.8% in Apr 17, 2025
Primecap Management Co/ca/
SCHEDULE 13G/A · filed Aug 14, 2025 · COM · 8.59% in Feb 13, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What ACM reports owning in othersstakes of 5% or more, and other ties
Shimmick Corporation SHIM
SCHEDULE 13D/A · filed Aug 12, 2026 · Common stock, par value $0.01 per share
13 subsidiaries in 1 country, from the list filed with the 10-K filed Nov 19, 2025.
Insider tradesForm 4
4sales
3purchases
4sales on a scheduled plan
2people selling
$3.2Msold, in dollars
$700,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 40 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Poloni Lara | PRESIDENT | 2 | $1.7M | 2 | 1 | $300,000 |
| Gan David Y. | CHIEF LEGAL OFFICER | 2 | $1.5M | 2 | 0 | $0 |
| Rudd Troy | CHIEF EXECUTIVE OFFICER | 0 | $0 | 0 | 1 | $300,000 |
| Kapoor Gaurav | CHIEF FINANCIAL OFFICER (PAO) | 0 | $0 | 0 | 1 | $100,000 |