BlackRock (MUX) discloses 4.64M-share, 7.7% position in MCEWEN INC

Rhea-AI Filing Summary

BlackRock, Inc. reports beneficial ownership of the common stock of MCEWEN INC. BlackRock and its reporting business units hold 4,641,621 shares of MCEWEN INC common stock, representing 7.7% of the class. Of these shares, 4,563,369 are subject to sole voting power and all 4,641,621 are subject to sole dispositive power, with no shared voting or dispositive power reported.

The shares are held across various clients and accounts; multiple persons have rights to dividends or sale proceeds, but no individual client holds more than five percent of MCEWEN INC’s outstanding common shares.

Key Figures

Beneficial ownership: 4,641,621 shares Percent of class: 7.7% Sole voting power: 4,563,369 shares +3 more

6 metrics

Beneficial ownership 4,641,621 shares Common stock of MCEWEN INC beneficially owned by BlackRock, Inc.

Percent of class 7.7% Portion of MCEWEN INC common stock class held by BlackRock, Inc.

Sole voting power 4,563,369 shares Shares of MCEWEN INC for which BlackRock can solely vote or direct the vote

Shared voting power 0 shares Shares of MCEWEN INC with shared voting authority reported by BlackRock

Sole dispositive power 4,641,621 shares Shares of MCEWEN INC BlackRock can solely dispose of or direct disposition

Shared dispositive power 0 shares Shares of MCEWEN INC with shared dispositive authority reported by BlackRock

Key Terms

beneficially owned, Sole Voting Power, dispositive power, parent holding company, +1 more

5 terms

beneficially owned financial

"this 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 Voting Power financial

"5 | Sole Voting Power 4,563,369.00 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.

dispositive power financial

"Sole Dispositive Power 4,641,621.00 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.

parent holding company financial

"If a parent holding company has filed this schedule, pursuant to (ii)(G)"

Investment Company Act of 1940 regulatory

"shareholders of an investment company registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

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

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Available on EDGAR 07/29/2026 - 03:20 PM Accepted by SEC EDGAR 07/29/2026 - 03:19 PM Learn about SEC filing dates

FAQ

How many MCEWEN INC (MUX) shares does BlackRock beneficially own?

BlackRock beneficially owns 4,641,621 shares of MCEWEN INC common stock. This position is reported by BlackRock’s designated reporting business units and reflects shares over which they have investment authority.

What percentage of MCEWEN INC (MUX) does BlackRock’s stake represent?

BlackRock’s position represents 7.7% of MCEWEN INC’s outstanding common stock. This percentage is based on the company’s total common shares and reflects BlackRock’s aggregated beneficial ownership.

How much voting power does BlackRock have in MCEWEN INC (MUX)?

BlackRock has 4,563,369 MCEWEN INC shares subject to sole voting power and 0 shares with shared voting power. This means BlackRock alone can vote or direct the vote on those 4,563,369 shares.

What dispositive power does BlackRock report over MCEWEN INC (MUX) shares?

BlackRock reports 4,641,621 shares with sole dispositive power and 0 with shared dispositive power. Sole dispositive power means BlackRock can independently decide to sell or otherwise dispose of those shares.

Do any individual BlackRock clients hold over 5% of MCEWEN INC (MUX)?

No individual client holds over 5% of MCEWEN INC common shares. Various persons have rights to dividends or sale proceeds, but each client’s interest is reported to be below the five percent threshold.

Who is the reporting person for this MCEWEN INC (MUX) Schedule 13G?

The reporting person is BlackRock, Inc., a Delaware entity. The filing aggregates securities beneficially owned by certain BlackRock business units, excluding other disaggregated units in line with SEC Release No. 34-39538.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MCEWEN INC

(Name of Issuer)

Common Stock

(Title of Class of Securities)

58039P305

(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): 58039P305

1

Names of Reporting Persons

BlackRock, Inc.

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 4,563,369.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,641,621.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,641,621.00

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)

7.7 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MCEWEN INC
(b)	Address of issuer's principal executive offices: 150 King Street West, Suite 2800 Toronto Canada M5H 1J9
Item 2.
(a)	Name of person filing: BlackRock, Inc. 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 certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 58039P305
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: 4641621
(b)	Percent of class: 7.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4563369
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4641621
	(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. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of MCEWEN INC. No one person's interest in the common stock of MCEWEN INC is more than five percent of the total outstanding common shares.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99
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.

BlackRock, Inc.

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	07/29/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7