Maple Rock Reports 9.9% Stake in Algoma Steel; Files Schedule 13G

Maple Rock Capital Partners Inc. and Xavier Majic report beneficial ownership of 10,430,818 common shares of Algoma Steel Group Inc., representing 9.9% of the outstanding class based on 104,933,802 shares.

Rhea-AI Filing Summary

Maple Rock Capital Partners Inc. and Xavier Majic report beneficial ownership of 10,430,818 common shares of Algoma Steel Group Inc., representing 9.9% of the outstanding class based on 104,933,802 shares. The filing amends prior Schedule 13D disclosures and is submitted on Schedule 13G under Rule 13d-1(h), indicating the reporting persons state the shares are held in the ordinary course of business and not to change or influence control. Maple Rock Master Fund LP is identified as the client with economic interest; Mr. Majic is CIO of the adviser.

Positive

• Disclosure of a 9.9% stake provides clarity on significant ownership in Algoma Steel
• Conversion to Schedule 13G signals the holders assert passive, ordinary-course investment intent

Negative

• Position size is material at 9.9% and could still affect market dynamics despite passive filing

Insights

Financial Analyst

TL;DR: A near-10% stake disclosed; filing as 13G signals passive intent but still represents substantial minority ownership.

The reporting persons hold 10,430,818 shares, or 9.9% of Algoma Steel's common shares, a size that can influence market perception and trading liquidity despite a declared passive position under Rule 13d-1(h). The amendment converting prior 13D disclosures to a 13G suggests a change from active strategic intentions to ordinary-course/ investment-adviser ownership. Investors should note the position size relative to total outstanding shares (104,933,802) as it remains a material minority stake in the capital structure.

Corporate Governance Expert

TL;DR: Joint filing and disclaimer of group status clarify governance posture; no group activity or control intent is asserted.

The joint filing by Maple Rock Capital Partners Inc. and Xavier Majic, together with an explicit disclaimer of membership in any group and the Schedule 13G certification, indicates the reporting persons do not currently intend to pursue control actions. The document identifies Maple Rock Master Fund LP as the client with dividend/proceeds rights and confirms Mr. Majic's role as CIO, which explains advisory relationships but does not by itself imply board or governance initiatives.

FAQ

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

What stake in Algoma Steel (ASTLW) do Maple Rock and Xavier Majic report?

They report beneficial ownership of 10,430,818 shares, equal to 9.9% of the 104,933,802 common shares outstanding used for calculation.

Why was a Schedule 13G filed instead of a Schedule 13D?

The reporting persons state they no longer hold the shares for the purpose of changing or influencing control and therefore amended prior Schedule 13D filings to file under Rule 13d-1(h) as a Schedule 13G.

Who holds the economic interest behind the reported shares?

Maple Rock Master Fund LP is identified as the client with the right to receive dividends or sale proceeds, with Maple Rock Capital Partners Inc. as manager and Mr. Majic serving as CIO.

Do the filers claim to be part of a group seeking control of Algoma Steel?

No. The filing states the Reporting Persons are filing jointly but expressly disclaim membership in a group and disclaim beneficial ownership except to the extent of pecuniary interest.

What date is associated with the determination to file Schedule 13G?

The Reporting Persons determined the change in intent and filed the Schedule 13G on August 28, 2025.

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

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Accepted by SEC EDGAR 08/28/2025 - 06:57 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Algoma Steel Group Inc.

(Name of Issuer)

Common Shares, no par value

(Title of Class of Securities)

015658107

(CUSIP Number)

08/28/2025

(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. 015658107

1

Names of Reporting Persons

Maple Rock Capital Partners 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

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 10,430,818.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,430,818.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,430,818.00

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)

9.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 015658107

1

Names of Reporting Persons

Xavier Majic

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

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 10,430,818.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,430,818.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,430,818.00

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)

9.9 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Algoma Steel Group Inc.
(b)	Address of issuer's principal executive offices: 105 West Street, Sault Ste. Marie, Ontario, Canada, P6A 7B4
Item 2.
(a)	Name of person filing: This Schedule 13G is being filed by Maple Rock Capital Partners Inc. and Xavier Majic (together, the "Reporting Persons"). On August 28, 2025, the Reporting Persons determined that they no longer hold the Common Shares for the purpose of or with the effect of changing or influencing the control of the Issuer. Accordingly, the Reporting Persons are filing this statement on Schedule 13G pursuant to Rule 13d-1(h) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), to amend the statement on Schedule 13D filed with the U.S. Securities and Exchange Commission (the "Commission") on October 25, 2024, as amended on May 5, 2025 and August 14, 2025 (collectively, the "Schedule 13D"). The Schedule 13D was filed pursuant to Rule 13d-1(e) under the Exchange Act, and amended the statement on Schedule 13G previously filed by the Reporting Persons, most recently on February 14, 2024.
(b)	Address or principal business office or, if none, residence: 21 St. Clair Avenue East, Suite 1100, Toronto, Ontario, M4T 1L9, Canada
(c)	Citizenship: Maple Rock Capital Partners Inc. is a corporation incorporated under the laws of Canada. Xavier Majic is a citizen of Canada.
(d)	Title of class of securities: Common Shares, no par value
(e)	CUSIP No.: 015658107
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: Information with respect to the Reporting Persons' ownership of Common Shares as of the date hereof is incorporated by reference to items (5) - (9) of the cover page of the respective Reporting Person.
(b)	Percent of class: Information with respect to the Reporting Persons' percentage ownership of the Common Shares as of the date hereof is incorporated by reference to item (11) of the cover page of the respective Reporting Person. The percentage of Common Shares beneficially owned by each Reporting Person is determined based on 104,933,802 Common Shares outstanding as of July 17, 2025, as reported in the Issuer's registration statement on Form F-10 filed with the Commission on July 18, 2025.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 10,430,818
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 10,430,818
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
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. Maple Rock Capital Partners Inc. (the "Manager") is an SEC-registered investment advisor whose client, Maple Rock Master Fund LP, has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities covered by this statement. Mr. Majic is the Chief Investment Officer of the Manager.
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.
	If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group. The Reporting Persons are filing this Schedule 13G jointly, but not as members of a group, and each of them expressly disclaims membership in a group. Further, each of the Reporting Persons disclaims beneficial ownership of the Common Shares except to the extent of their respective pecuniary interest therein.
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.

Maple Rock Capital Partners Inc.

Signature:	/s/ Stephen D. Lane
Name/Title:	Stephen D. Lane, Chief Financial Officer
Date:	08/28/2025

Xavier Majic

Signature:	/s/ Xavier Majic
Name/Title:	Xavier Majic
Date:	08/28/2025

Exhibit Information

Exhibit 1: Joint Filing Agreement, dated August 28, 2025