Welcome to our dedicated page for Algoma Steel Grp SEC filings (Ticker: astlw), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Algoma Steel Group’s unique role as Canada’s only discrete plate producer means its filings reveal far more than generic financials—they unpack steel-price exposure, furnace modernisation milestones, and the labour dynamics that drive margins. Yet wading through hundreds of pages to locate those nuggets is demanding.
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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.
Amendment No. 2 to a Schedule 13D reports that Maple Rock Capital Partners Inc. (through its Master Fund) and related reporting persons beneficially own 10,430,818 common shares of Algoma Steel Group Inc., representing approximately 9.9% of the 104,933,802 shares outstanding as of July 17, 2025. The filing states approximately $14.9 million was paid for purchases made since Amendment No. 1 and discloses multiple open-market transactions on June 17-19, July 31 and August 12-14, 2025, with weighted average prices for each trading date. The Reporting Persons have shared voting and dispositive power over the reported shares. The filing notes shares may be held in margin accounts and pledged as collateral.
Algoma Steel Group Inc. Schedule 13G/A shows that MMCAP International Inc. SPC (the "Fund") and its adviser MM Asset Management Inc. together report beneficial ownership of 7,218,218 common shares, representing 6.9% of the outstanding common shares based on 104,933,802 shares outstanding as of March 31, 2025. The Fund is organized in the Cayman Islands and holds the shares directly; the Adviser, organized in Ontario, Canada, may be deemed to beneficially own the Fund's holdings as its investment manager. The filing states the position is not held to influence control of the issuer and is reported as of the event date June 30, 2025.
Algoma Steel Group Inc. disclosure shows a group of related reporting persons collectively holding single-digit stakes in the company. Stoney Lonesome HF LP directly reports 5,467,258 Common Shares, representing about 5.1% of the expanded class; those holdings include warrants and call options exercisable within 60 days. Drake Helix Holdings, LLC directly holds 381,522 Shares (about 0.4%). CDC Financial, Inc. and Clint D. Coghill may be deemed to beneficially own up to 5.4% of the class through their relationships with the other filers. The filing states these securities were not acquired to change or influence control and disclaims ownership where not directly held.
Donald Smith & Co., Inc. reports beneficial ownership of 6,040,168 common shares of Algoma Steel Group Inc., representing 5.76% of the class. The filing shows Donald Smith holds the majority of those shares with sole voting power on 5,815,247 shares and sole dispositive power on 5,977,517 shares. A related entity, DSCO Value Fund, L.P., holds 62,651 shares.
The filing states these securities are held in the ordinary course of business for advisory clients and were not acquired to change or influence control of the issuer. Donald Smith also discloses that no single advisory client known to it owns more than 5% of the class.