Vanguard Capital reports 30.18M Amrize shares (AMRZ) — 5.32% stake

Rhea-AI Filing Summary

Amrize Ltd: Vanguard Capital Management reports beneficial ownership of 30,177,619 shares of Common Stock, representing 5.32% of the class as of 03/31/2026. The filing states Vanguard has sole voting power for 9,549,189 shares and sole dispositive power for 30,177,619 shares.

Insights

Institutional Ownership Analyst

Vanguard holds a 5.32% passive stake in Amrize as a reporting investment manager.

Vanguard Capital Management's Schedule 13G lists 30,177,619 shares beneficially owned as of 03/31/2026, with 9,549,189 shares for which it has sole voting power. The filing attributes ownership to Vanguard as investment manager and affiliated business divisions.

Ownership is reported under passive investor rules; the filing notes holdings include securities held for Vanguard funds and managed accounts. Subsequent filings will show changes in position if voting or disposition power shifts.

Key Figures

Beneficially owned shares: 30,177,619 shares Percent of class: 5.32% Sole voting power: 9,549,189 shares +3 more

6 metrics

Beneficially owned shares 30,177,619 shares Amount beneficially owned as reported

Percent of class 5.32% Percent of common stock beneficially owned as of 03/31/2026

Sole voting power 9,549,189 shares Shares for which Vanguard has sole power to vote

Sole dispositive power 30,177,619 shares Shares for which Vanguard has sole power to dispose

Filing date (signature) 04/28/2026 Signature date on Schedule 13G

Reporting period 03/31/2026 Date tied to the reported holdings

Key Terms

Schedule 13G, beneficially owned, dispositive power, Investment Company Act

4 terms

Schedule 13G regulatory

"Vanguard Capital Management files Schedule 13G reporting beneficial ownership"

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.

beneficially owned financial

"Amount beneficially owned: 30177619"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 30177619"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Investment Company Act regulatory

"investment companies registered under the Investment Company Act of 1940"

The Investment Company Act is a law that sets rules for businesses whose main activity is managing and selling pooled money, such as mutual funds and other investment funds. It matters to investors because it requires clear reporting, limits managers from putting their own interests ahead of clients, and mandates safekeeping and oversight of assets—similar to safety inspections and traffic rules that help keep shared vehicles reliable and trustworthy.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Amrize Ltd

(Name of Issuer)

Common Stock

(Title of Class of Securities)

H2927K103

(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): H2927K103

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 9,549,189.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 30,177,619.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

30,177,619.00

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)

5.32 %

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: Amrize Ltd
(b)	Address of issuer's principal executive offices: Grafenauweg 8, Zug, V8, 6300
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): H2927K103
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: 30177619
(b)	Percent of class: 5.32 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 9549189
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 30177619
	(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:	04/28/2026

FAQ

What stake does Vanguard Capital Management report in Amrize (AMRZ)?

Vanguard reports beneficial ownership of 30,177,619 shares, equal to 5.32% of Amrize's common stock as of 03/31/2026. The filing is a Schedule 13G disclosure by the investment manager.

How much voting power does Vanguard report for AMRZ shares?

The filing states Vanguard has sole voting power over 9,549,189 shares of Amrize common stock. Shared voting power is reported as 0 shares in the disclosed position.

Does Vanguard control sale proceeds or dividends for these AMRZ shares?

Vanguard reports sole dispositive power to direct the disposition of 30,177,619 shares, indicating the ability to direct sales or receipt of proceeds for the reported holdings.

Is this Schedule 13G filing passive or active ownership disclosure?

This Schedule 13G is filed by an investment manager and reflects passive reporting under the form's terms; the filing lists Vanguard affiliates and managed accounts as the sources of beneficial ownership.

Who signed the Amrize Schedule 13G for Vanguard and when?

The filing is signed by Ashley Grim, Head of Global Fund Administration, on 04/28/2026, certifying the ownership information provided.