Vanguard reports 6.75M AECOM shares (5.22%)

AECOM shows Vanguard Capital Management beneficially owns 6,750,177 shares of Common Stock, representing 5.22% of the class as of 03/31/2026.

Rhea-AI Filing Summary

AECOM shows Vanguard Capital Management beneficially owns 6,750,177 shares of Common Stock, representing 5.22% of the class as of 03/31/2026. The filer reports sole voting power for 949,811 shares and sole dispositive power for 6,750,177 shares. The filing lists Vanguard affiliates and clarifies holdings include shares held for managed funds and client accounts.

Insights

Institutional Ownership Analyst

Vanguard holds a meaningful passive stake in AECOM at 5.22%.

Vanguard Capital Management reports beneficial ownership of 6,750,177 shares (5.22%) as of 03/31/2026. The filing attributes dispositive authority across Vanguard entities, including holdings for managed funds and client accounts.

Because this is a Schedule 13G, the position is reported as passive; subsequent changes in ownership or intent would require an amendment or different filing form.

Proxy & Governance Specialist

Voting and dispositive powers are documented, with limited sole voting control relative to dispositive power.

The filing shows sole voting power of 949,811 shares and sole dispositive power of 6,750,177 shares. This split commonly reflects fund-level holdings where stewardship and disposition rights differ across affiliates.

Stakeholders watching shareholder votes should note the reported voting block size and the filing’s statement that no other single person holds >5%.

Key Figures

Beneficial ownership: 6,750,177 shares Percent of class: 5.22% Sole voting power: 949,811 shares +2 more

5 metrics

Beneficial ownership 6,750,177 shares as of 03/31/2026

Percent of class 5.22% ownership percentage reported on Schedule 13G

Sole voting power 949,811 shares shares with sole voting power

Sole dispositive power 6,750,177 shares shares with sole power to dispose

Signature date 04/29/2026 date signed by Head of Global Fund Administration

Key Terms

Schedule 13G, beneficial ownership, sole dispositive power, sole voting power

4 terms

Schedule 13G regulatory

"reports beneficially owned as of 03/31/2026"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficial ownership financial

"Amount beneficially owned: 6750177"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 6750177"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

sole voting power regulatory

"Sole power to vote or to direct the vote: 949,811"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many AECOM (ACM) shares does Vanguard Capital Management report owning?

Vanguard Capital Management reports beneficial ownership of 6,750,177 shares. This equals 5.22% of AECOM's common stock, with the position dated 03/31/2026 and disclosed on the Schedule 13G.

What voting authority does Vanguard report for its AECOM stake?

Vanguard reports sole voting power for 949,811 shares. The filing also states Vanguard has sole dispositive power over 6,750,177 shares, reflecting voting/disposition distinctions.

Does the Schedule 13G indicate Vanguard intends to influence AECOM management?

No; the filing is a Schedule 13G reporting a passive beneficial ownership of 5.22%. A Schedule 13G typically indicates passive intent rather than an activist or control purpose.

Which Vanguard entities are included in this ownership disclosure?

The filing names Vanguard Capital Management and affiliates including Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, and others. Holdings include shares held for Vanguard funds and client accounts.

When was the Schedule 13G for AECOM signed and filed?

The signature block shows the Schedule 13G was signed by Ashley Grim, Head of Global Fund Administration, on 04/29/2026, with holdings reported as of 03/31/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/29/2026 - 04:46 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

AECOM

(Name of Issuer)

Common Stock

(Title of Class of Securities)

00766T100

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 00766T100

1

Names of Reporting Persons

Vanguard Capital Management

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 949,811.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 6,750,177.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,750,177.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.22 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by Vanguard Capital Management LLC and the following affiliates of Vanguard Capital Management LLC or business divisions of such affiliates: Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC and Vanguard Investments Australia Ltd. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Capital Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power. This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Capital Management LLC, or business divisions of such subsidiaries, whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: AECOM
(b)	Address of issuer's principal executive offices: 13355 Noel Road, #400, Dallas, TX, 75240
Item 2.
(a)	Name of person filing: Vanguard Capital Management
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd,, Malvern, PA, 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 00766T100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 6750177
(b)	Percent of class: 5.22 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 949811
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 6750177
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Vanguard Capital Management, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Vanguard Capital Management

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	04/29/2026