LyondellBasell stake reported by Dodge & Cox

LyondellBasell Industries N.V. received an updated ownership report from institutional investor Dodge & Cox covering its ordinary shares.

Rhea-AI Filing Summary

LyondellBasell Industries N.V. received an updated ownership report from institutional investor Dodge & Cox covering its ordinary shares. Dodge & Cox reports beneficial ownership of 800 ordinary shares of LyondellBasell, representing 0.0% of the class and explicitly categorized as ownership of 5 percent or less of the company’s outstanding ordinary shares. Dodge & Cox has sole voting and dispositive power over all 800 shares, with no shared voting or shared dispositive power reported. The filing is signed by Katherine M. Primas, Chief Compliance Officer of Dodge & Cox.

Key Figures

Beneficial ownership: 800 ordinary shares Percent of class: 0.0% Sole voting power: 800 shares +4 more

7 metrics

Beneficial ownership 800 ordinary shares Amount beneficially owned by Dodge & Cox

Percent of class 0.0% Reported percentage of LyondellBasell ordinary shares

Sole voting power 800 shares Shares for which Dodge & Cox has sole voting power

Shared voting power 0 shares Shares for which Dodge & Cox has shared voting power

Sole dispositive power 800 shares Shares for which Dodge & Cox has sole dispositive power

Shared dispositive power 0 shares Shares for which Dodge & Cox has shared dispositive power

Certification date 08/13/2026 Date signed by Chief Compliance Officer

Key Terms

beneficially owned, Sole Voting Power, Sole Dispositive Power, Ownership of 5 percent or less of a class, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 800"

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.

Sole Voting Power financial

"5 | Sole Voting Power 800.00 6 | Shared Voting Power 0.00"

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.

Sole Dispositive Power financial

"7 | Sole Dispositive Power 800.00 8 | Shared Dispositive Power 0.00"

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.

Ownership of 5 percent or less of a class regulatory

"Item 5. | Ownership of 5 Percent or Less of a Class."

Ordinary Shares financial

"(d) | Title of class of securities: Ordinary Shares"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

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

What stake in LYB does Dodge & Cox report in this Schedule 13G/A?

Dodge & Cox reports beneficial ownership of 800 ordinary shares of LyondellBasell Industries N.V., representing 0.0% of the class, which is disclosed as ownership of 5 percent or less of the company’s outstanding ordinary shares.

Does Dodge & Cox have voting control over its LYB shares?

Yes. Dodge & Cox reports sole voting power over 800 shares of LyondellBasell Industries N.V. It also reports no shared voting power, indicating all reported shares are voted at its sole discretion.

What dispositive power over LYB shares does Dodge & Cox disclose?

Dodge & Cox reports sole dispositive power over 800 shares of LyondellBasell Industries N.V. and no shared dispositive power, meaning decisions to sell or hold these shares rest solely with Dodge & Cox.

Why does Dodge & Cox state ownership of 5 percent or less of LYB?

Because the 800 ordinary shares reported represent 0.0% of LyondellBasell’s ordinary shares, Dodge & Cox classifies this holding under Ownership of 5 percent or less of a class, confirming it is not a major holder.

Who signed the LYB beneficial ownership report for Dodge & Cox?

The report is signed by Katherine M. Primas, serving as Chief Compliance Officer of Dodge & Cox, dated 08/13/2026, formally certifying the ownership information disclosed for LyondellBasell Industries N.V.

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

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Available on EDGAR 08/13/2026 - 04:43 PM Accepted by SEC EDGAR 08/13/2026 - 04:41 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

LYONDELLBASELL INDUSTRIES N.V.

(Name of Issuer)

Ordinary Shares

(Title of Class of Securities)

N53745100

(CUSIP Number)

06/30/2026

(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): N53745100

1

Names of Reporting Persons

Dodge & Cox

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

CALIFORNIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 800.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 800.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

800.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: LYONDELLBASELL INDUSTRIES N.V.
(b)	Address of issuer's principal executive offices: 2800 Post Oak Blvd. Suite 5100, Houston, Texas 77056
Item 2.
(a)	Name of person filing: Dodge & Cox
(b)	Address or principal business office or, if none, residence: 555 California Street 40th Floor, San Francisco, CA 94104
(c)	Citizenship: California, USA
(d)	Title of class of securities: Ordinary Shares
(e)	CUSIP No.: N53745100
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: 800
(b)	Percent of class: 0.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 800
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 800
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
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.

Dodge & Cox

Signature:	/S/ Katherine M. Primas
Name/Title:	Chief Compliance Officer
Date:	08/13/2026