Algoma Steel Group Inc.
ASTLW- Exchange
- Nasdaq
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001860805
No open-market purchases or sales by Algoma Steel Group Inc. insiders were filed in the last 90 days; 20 institutions reported holding it in 13F filings for Q2 2026, worth $338.5K in total; no superinvestor holds it.
Other share classesASTL
13F holders, Q3 2025
Institutional positions in Algoma Steel Group Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 21
- −2 vs. Q2 2025
- Shares held
- 6.53M
- −259.7K (−3.8%) vs. Q2 2025
- Total value
- $1.01M
- −$2.39M (−70.4%) vs. Q2 2025
- New holders
- 1
- 1 more added
- Sold out
- 3
- 7 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASTLW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 20 | $338.5K |
| Q1 2026 | 20 | $952.0K |
| Q4 2025 | 21 | $498.7K |
| Q3 2025 | 21 | $1.01M |
| Q2 2025 | 23 | $3.40M |
| Q1 2025 | 23 | $2.49M |
| Q4 2024 | 24 | $10.7M |
| Q3 2024 | 27 | $7.17M |
| Q2 2024 | 27 | $6.35M |
| Q1 2024 | 27 | $10.9M |
| Q4 2023 | 30 | $15.6M |
| Q3 2023 | 27 | $10.3M |
| Q2 2023 | 26 | $10.3M |
| Q1 2023 | 26 | $10.7M |
| Q4 2022 | 33 | $5.93M |
| Q3 2022 | 36 | $4.78M |
| Q2 2022 | 34 | $12.8M |
| Q1 2022 | 29 | $14.3M |
| Q4 2021 | 34 | $11.0M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LMR Partners LLP | 2,808,732 | $431.1K | 0.01% | 00.0% | Unchanged |
| Aristeia Capital LLC | 905,736 | $138.8K | 0.00% | −67,120−6.9% | Reduced |
| K2 Principal Fund, L.P. | 690,879 | $138.2K | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 557,746 | $85.6K | 0.00% | 00.0% | Unchanged |
| Aequim Alternative Investments LP | 414,191 | $63.6K | 0.00% | 00.0% | Unchanged |
| CastleKnight Management LP | 290,000 | $44.5K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 165,825 | $26.5K | 0.00% | −39,567−19.3% | Reduced |
| Claret Asset Management Corp | 102,000 | $16.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 99,958 | $15.3K | 0.00% | −985−1.0% | Reduced |
| Gendell Jeffrey L | 93,408 | $14.3K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 70,820 | $11.0K | 0.00% | −275−0.4% | Reduced |
| Virtu Financial LLC | 43,338 | $7.00K | 0.00% | −51,311−54.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 30,000 | $6.90K | 0.00% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 20,000 | $3.07K | 0.00% | −4,000−16.7% | Reduced |
| LPL Financial LLC | 12,600 | $1.93K | 0.00% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 10,200 | $1.56K | 0.00% | 00.0% | Unchanged |
| Brave Asset Management Inc | 10,000 | $1.53K | 0.00% | 00.0% | Unchanged |
| Zazove Associates LLC | 4,540 | $696 | 0.00% | −5,460−54.6% | Reduced |
| Caption Management, LLC | 3,475 | $533 | 0.00% | +3,475 | New |
| National Bank of Canada | 11,740 | – | – | +708+6.4% | Added |
| Boothbay Fund Management, LLC | 185,000 | – | – | 00.0% | Unchanged |
| Ionic Capital Management LLC | 0 | $0 | 0.00% | −91,200−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −3,646−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −275−100.0% | Sold out |