Algoma Steel Group Inc.
ASTL- 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; 95 institutions reported holding it in 13F filings for Q2 2026, worth $291.8M in total; no superinvestor holds it.
Other share classesASTLW
13F holders, Q1 2026
Institutional positions in Algoma Steel Group Inc. as of Mar 31, 2026. 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
- 98
- −10 vs. Q4 2025
- Shares held
- 72.0M
- −7.93M (−9.9%) vs. Q4 2025
- Total value
- $297.1M
- −$30.8M (−9.4%) vs. Q4 2025
- New holders
- 15
- 33 more added
- Sold out
- 25
- 31 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASTL 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 | 95 | $291.8M |
| Q1 2026 | 98 | $297.1M |
| Q4 2025 | 109 | $346.2M |
| Q3 2025 | 118 | $274.8M |
| Q2 2025 | 127 | $552.9M |
| Q1 2025 | 130 | $426.1M |
| Q4 2024 | 135 | $798.6M |
| Q3 2024 | 133 | $795.8M |
| Q2 2024 | 118 | $507.8M |
| Q1 2024 | 108 | $605.3M |
| Q4 2023 | 120 | $716.4M |
| Q3 2023 | 111 | $463.5M |
| Q2 2023 | 117 | $476.1M |
| Q1 2023 | 115 | $534.2M |
| Q4 2022 | 119 | $467.0M |
| Q3 2022 | 114 | $427.9M |
| Q2 2022 | 119 | $950.9M |
| Q1 2022 | 88 | $1.05B |
| Q4 2021 | 68 | $644.8M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Walleye Capital LLC | 0 | $0 | 0.00% | −537,234−100.0% | Sold out |
| Orion Resource Partners LP | 0 | $0 | 0.00% | −381,728−100.0% | Sold out |
| Prescott Group Capital Management, L.L.C. | 0 | $0 | 0.00% | −231,219−100.0% | Sold out |
| Senvest Management, LLC | 0 | $0 | 0.00% | −85,789−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −84,567−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −75,708−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −73,600−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −72,143−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −21,188−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −33,330−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −32,839−100.0% | Sold out |
| Clear Harbor Asset Management, LLC | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −21,822−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −17,575−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −16,374−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −14,201−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −10,798−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −2,426−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Invesco Senior Secured Management Inc | – | – | – | – | Not filed |