Barrow Hanley discloses 6.01% MDU Resources stake (NYSE: MDU)

Rhea-AI Filing Summary

Barrow Hanley Global Investors reported beneficial ownership of 12,894,945 shares of MDU Resources Group Inc common stock on a Schedule 13G. This represents 6.01% of the class as of 12/31/2025.

The firm has sole voting power over 9,467,326 shares and shared voting power over 3,427,619 shares. It has sole dispositive power over all 12,894,945 shares and no shared dispositive power. The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of MDU Resources.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MDU Resources Group Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

552690109

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 552690109

1

Names of Reporting Persons

BARROW HANLEY MEWHINNEY & STRAUSS LLC

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 9,467,326.00
6	Shared Voting Power 3,427,619.00
7	Sole Dispositive Power 12,894,945.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,894,945.00

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)

6.01 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MDU Resources Group Inc
(b)	Address of issuer's principal executive offices: 1200 West Century Avenue, Bismarck, North Dakota, 58503
Item 2.
(a)	Name of person filing: Barrow Hanley Global Investors
(b)	Address or principal business office or, if none, residence: 2200 Ross Avenue, 31st Floor Dallas, TX 75201
(c)	Citizenship: Delaware LLC
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 552690109
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: 12,894,945
(b)	Percent of class: 6.01%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 9,467,326
	(ii) Shared power to vote or to direct the vote: 3,427,619
	(iii) Sole power to dispose or to direct the disposition of: 12,894,945
	(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.
	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.

BARROW HANLEY MEWHINNEY & STRAUSS LLC

Signature:	Hannah Ackels
Name/Title:	Hannah Ackels, CCO
Date:	02/11/2026

FAQ

What percentage of MDU (MDU) does Barrow Hanley report owning in this Schedule 13G?

Barrow Hanley Global Investors reports beneficial ownership of 6.01% of MDU Resources Group Inc’s common stock. This percentage is based on 12,894,945 shares beneficially owned as of December 31, 2025, according to the Schedule 13G filing details.

How many MDU Resources (MDU) shares does Barrow Hanley beneficially own?

Barrow Hanley Global Investors reports beneficial ownership of 12,894,945 MDU Resources Group Inc common shares. This total includes all shares over which it has either sole or shared voting power and sole dispositive power, as disclosed in Item 4 of the Schedule 13G filing.

What voting powers does Barrow Hanley have over its MDU (MDU) shares?

Barrow Hanley has sole voting power over 9,467,326 MDU shares and shared voting power over 3,427,619 shares. Together these positions support its reported 6.01% beneficial ownership in MDU Resources Group Inc’s common stock under the Schedule 13G.

Does Barrow Hanley control the disposition of its MDU Resources (MDU) shares?

Yes. Barrow Hanley reports sole dispositive power over all 12,894,945 MDU Resources common shares it beneficially owns and no shared dispositive power. This means it alone can decide whether to sell or hold these shares, per the Schedule 13G.

Is Barrow Hanley’s MDU (MDU) stake filed as a passive Schedule 13G investment?

Yes. Barrow Hanley certifies the MDU Resources shares were acquired and held in the ordinary course of business and not for changing or influencing control. This language is consistent with a passive institutional investor Schedule 13G filing status.

Who signed the Schedule 13G for Barrow Hanley’s MDU (MDU) holdings?

The Schedule 13G was signed by Hannah Ackels, identified as CCO, on February 11, 2026. The signature certifies that, after reasonable inquiry, the information about Barrow Hanley’s beneficial ownership in MDU Resources Group Inc is true, complete, and correct.