Quick Takeaways
- Maple Rock Capital Partners Inc. filed SCHEDULE 13D/A for Algoma Steel Group Inc. Common Shares, no par value (ASTL).
- Disclosed ownership: 9.9%.
- Date of event: 12 Aug 2025.
Maple Rock Capital Partners Inc. - 12 Aug 2025 SCHEDULE 13D/A Report for Algoma Steel Group Inc. Common Shares, no par value (ASTL)
- Filing Manager
- Maple Rock Capital Partners Inc.
- Reporting Manager
- Maple Rock Capital Partners Inc.
- Symbol
- ASTL
- Shares outstanding
- 105,361,798 shares
- Disclosed Ownership
- 10,430,818 shares
- Ownership
- 9.9%
- Form type
- SCHEDULE 13D/A
- Filing time
- 14 Aug 2025, 20:48:49 UTC
- Date of event
- 12 Aug 2025
- Previous filing
- 05 May 2025
- Next filing
- 28 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Maple Rock Capital Partners Inc. disclosed 9.9% ownership in Algoma Steel Group Inc. Common Shares, no par value (ASTL) on 12 Aug 2025."
What Changed
- Previous schedule filing date: 05 May 2025.
- Current filing was accepted on 14 Aug 2025, 20:48.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | 9.9% | 10,430,818 | 0 | 10,430,818 | /s/ Stephen D. Lane | Stephen D. Lane, Chief Financial Officer | 0001658363 |
| Majic Xavier | 9.9% | 10,430,818 | 0 | 10,430,818 | /s/ Xavier Majic | Xavier Majic | 0001943120 |