Vanguard Portfolio Management reports 5.16% stake in WEC (NYSE: WEC)

Rhea-AI Filing Summary

WEC Energy Group Inc reports a Schedule 13G filing by Vanguard Portfolio Management reporting beneficial ownership of 16,812,132 shares (representing 5.16% of the class). The filing states Vanguard Portfolio Management LLC and specified affiliates exercise dispositive power over these shares; sole voting power is reported as 40,524 shares while sole dispositive power is 16,812,132 shares. The filing is signed by Ashley Grim as Head of Global Fund Administration.

Insights

Institutional Ownership Analyst

Vanguard reports a 5.16% passive stake in WEC Energy Group.

The Schedule 13G shows 16,812,132 shares beneficially owned with sole dispositive control and limited voting power (40,524 shares). This form indicates an investment-management position rather than an activist intent, consistent with passive institutional reporting.

Watch future filings for any shift to an active posture (Schedule 13D) or material changes in stake size disclosed in subsequent filings.

Regulatory Compliance Specialist

Filing aligns with SEC 13G passive-investor reporting conventions.

The disclosure includes the required affiliation note referencing SEC Release No. 34-39538 and identifies affiliated entities (Vanguard Fiduciary Trust Company; Vanguard Global Advisers, LLC). The signature block and percentage calculation are present and consistent with the Schedule 13G format.

Subsequent amendments would be required if ownership or intent changes; timing of such amendments depends on regulatory thresholds and events.

Key Figures

Beneficial ownership: 16,812,132 shares Percent of class: 5.16% Sole voting power: 40,524 shares +2 more

5 metrics

Beneficial ownership 16,812,132 shares Schedule 13G filing

Percent of class 5.16% Reported percent of WEC common stock

Sole voting power 40,524 shares Sole power to vote or direct the vote

Sole dispositive power 16,812,132 shares Sole power to dispose or direct disposition

CUSIP 92939U106 WEC Energy Group common stock

Key Terms

beneficially owned, sole dispositive power, Schedule 13G, CUSIP

4 terms

beneficially owned regulatory

"reflects the securities beneficially owned, or deemed to be beneficially owned"

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 dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 16812132"

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.

Schedule 13G regulatory

"Item 1. (a) Name of issuer: WEC Energy Group Inc"

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.

CUSIP financial

"CUSIP Number(s): 92939U106"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

WEC Energy Group Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

92939U106

(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): 92939U106

1

Names of Reporting Persons

Vanguard Portfolio 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 40,524.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 16,812,132.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

16,812,132.00

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)

5.16 %

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 Portfolio Management LLC and the following affiliates of Vanguard Portfolio Management LLC or business divisions of such affiliates: Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Portfolio 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 Portfolio 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: WEC Energy Group Inc
(b)	Address of issuer's principal executive offices: 231 West Michigan Street, PO Box 1331, Milwaukee, WI, 53203
Item 2.
(a)	Name of person filing: Vanguard Portfolio 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): 92939U106
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: 16812132
(b)	Percent of class: 5.16 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 40524
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 16812132
	(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 Portfolio 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 Portfolio Management

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

FAQ

What stake does Vanguard Portfolio Management report in WEC (WEC)?

Vanguard Portfolio Management reports beneficial ownership of 16,812,132 shares, representing 5.16% of WEC's common stock as stated in the filing.

Who holds voting and dispositive power for the reported WEC shares?

The filing reports sole voting power for 40,524 shares and sole dispositive power for 16,812,132 shares, per the Schedule 13G disclosure.

Does the Schedule 13G indicate Vanguard is acting as an activist for WEC?

No. The Schedule 13G format and the filing language indicate a passive investment-management position rather than active or activist intent.

Which Vanguard affiliates are noted in the WEC 13G filing?

The filing cites Vanguard Portfolio Management LLC and affiliates including Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC as part of the reported ownership structure.

When was the Schedule 13G for WEC signed and by whom?

The Schedule 13G excerpt is signed by Ashley Grim, Head of Global Fund Administration, with a signature date of 04/29/2026 as shown in the filing.