Barrow Hanley reports 6.3% stake in MDU Resources

Barrow Hanley Global Investors, a Delaware LLC, filed as an institutional investor holding common stock of MDU Resources Group Inc..

Rhea-AI Filing Summary

Barrow Hanley Global Investors, a Delaware LLC, filed as an institutional investor holding common stock of MDU Resources Group Inc.. The firm reported beneficial ownership of 13,056,724 MDU common shares, representing 6.30% of the class. It has sole voting power over 9,156,673 shares and shared voting power over 3,900,051 shares. Barrow Hanley holds sole dispositive power over all 13,056,724 shares and no shared dispositive power. The filing is signed by the firm’s CCO, Hannah Ackels.

Key Figures

Beneficially owned shares: 13,056,724 shares Percent of class: 6.30% Sole voting power: 9,156,673 shares +3 more

6 metrics

Beneficially owned shares 13,056,724 shares Common stock of MDU Resources Group Inc. reported on Schedule 13G

Percent of class 6.30% Portion of MDU common stock class beneficially owned by Barrow Hanley

Sole voting power 9,156,673 shares Shares of MDU over which Barrow Hanley has sole voting power

Shared voting power 3,900,051 shares Shares of MDU over which Barrow Hanley has shared voting power

Sole dispositive power 13,056,724 shares MDU shares over which Barrow Hanley has sole dispositive power

Shared dispositive power 0 shares MDU shares over which Barrow Hanley has shared dispositive power

Key Terms

beneficially owned, sole voting power, shared voting power, dispositive power, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 13,056,724"

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

"Sole Voting Power 9,156,673.00 6 | Shared Voting Power 3,900,051.00"

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.

shared voting power financial

"Sole Voting Power 9,156,673.00 6 | Shared Voting Power 3,900,051.00"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

dispositive power financial

"Sole Dispositive Power 13,056,724.00 8 | Shared Dispositive Power 0.00"

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.

Schedule 13G regulatory

"form_type": "SCHEDULE 13G""

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.

FAQ

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

How many MDU shares does Barrow Hanley Global Investors report owning?

Barrow Hanley Global Investors reports beneficial ownership of 13,056,724 MDU common shares. This stake includes all shares over which it has sole or shared voting power and sole dispositive power.

What percentage of MDU’s common stock does Barrow Hanley hold (MDU)?

Barrow Hanley Global Investors reports owning 6.30% of MDU’s outstanding common stock. This percentage reflects its 13,056,724 beneficially owned shares relative to the total shares of that class.

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

Barrow Hanley Global Investors has sole voting power over 9,156,673 shares and shared voting power over 3,900,051 shares of MDU common stock, according to the Schedule 13G filing.

What dispositive power does Barrow Hanley report over MDU (MDU) stock?

Barrow Hanley Global Investors reports sole dispositive power over 13,056,724 MDU shares and no shared dispositive power. Sole dispositive power means it can decide whether and how to dispose of those shares.

Who signed the Schedule 13G for Barrow Hanley regarding MDU (MDU)?

The Schedule 13G was signed by Hannah Ackels, Chief Compliance Officer (CCO) of Barrow Hanley Global Investors on 08/05/2026, certifying the accuracy of the reported ownership information.

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

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Available on EDGAR 08/12/2026 - 03:06 PM Accepted by SEC EDGAR 08/12/2026 - 03:05 PM Learn about SEC filing dates

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)

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): 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 9,156,673.00
6	Shared Voting Power 3,900,051.00
7	Sole Dispositive Power 13,056,724.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

13,056,724.00

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)

6.3 %

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 Number(s): 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: 13,056,724
(b)	Percent of class: 6.30%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 9,156,673
	(ii) Shared power to vote or to direct the vote: 3,900,051
	(iii) Sole power to dispose or to direct the disposition of: 13,056,724
	(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:	CCO
Date:	08/05/2026