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, Q2 2026
Institutional positions in Algoma Steel Group Inc. as of Jun 30, 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
- 95
- −3 vs. Q1 2026
- Shares held
- 72.1M
- +148.3K (+0.2%) vs. Q1 2026
- Total value
- $291.8M
- −$5.32M (−1.8%) vs. Q1 2026
- New holders
- 12
- 30 more added
- Sold out
- 15
- 36 more reduced
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AYAL Capital Advisors Ltd | 0 | $0 | 0.00% | −95,000−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −91,423−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −35,367−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −17,299−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −15,390−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −13,748−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −13,188−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −11,517−100.0% | Sold out |
| Ulland Investment Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |