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, 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
- 118
- −9 vs. Q2 2025
- Shares held
- 77.2M
- −3.01M (−3.8%) vs. Q2 2025
- Total value
- $274.8M
- −$278.1M (−50.3%) vs. Q2 2025
- New holders
- 22
- 37 more added
- Sold out
- 31
- 34 more reduced
Compare with Q2 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, 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 |
|---|---|---|---|---|---|
| JB Capital Partners LP | 992,177 | $3.53M | 0.60% | 00.0% | Unchanged |
| Solas Capital Management, LLC | 1,091,248 | $3.88M | 2.37% | −340,688−23.8% | Reduced |
| LM Asset (IM) Inc. | 1,150,000 | $4.09M | 3.25% | +260,000+29.2% | Added |
| Morgan Stanley | 1,292,103 | $4.59M | 0.00% | +886,902+218.9% | Added |
| AYAL Capital Advisors Ltd | 1,467,000 | $5.22M | 3.01% | +375,000+34.3% | Added |
| Quadrature Capital Ltd | 1,529,100 | $5.44M | 0.06% | +1,518,530+14,366.4% | Added |
| Aegis Financial Corp | 1,786,122 | $6.35M | 2.43% | 00.0% | Unchanged |
| Contrarian Capital Management, L.L.C. | 2,037,686 | $7.24M | 1.83% | −1,534,332−43.0% | Reduced |
| FMR LLC | 2,214,646 | $7.87M | 0.00% | −1,738,200−44.0% | Reduced |
| J. Goldman & Co LP | 2,263,011 | $8.05M | 0.30% | +26,638+1.2% | Added |
| Goldentree Asset Management LP | 2,493,548 | $8.86M | 0.73% | 00.0% | Unchanged |
| Littlejohn & Co LLC | 2,693,887 | $9.58M | 4.83% | +419,915+18.5% | Added |
| Invesco Senior Secured Management Inc | 3,233,117 | $11.5M | 35.04% | 00.0% | Unchanged |
| Scheer, Rowlett & Associates Investment Management Ltd. | 3,828,929 | $13.6M | 0.81% | −69,276−1.8% | Reduced |
| Donald Smith & Co., Inc. | 5,937,020 | $21.1M | 0.42% | −103,148−1.7% | Reduced |
| BlackRock, Inc. | 7,333,104 | $26.1M | 0.00% | +948,061+14.8% | Added |
| MMCAP International Inc. SPC | 8,078,828 | $28.7M | 3.34% | +860,610+11.9% | Added |
| Maple Rock Capital Partners Inc. | 10,430,818 | $37.1M | 1.50% | +2,034,018+24.2% | Added |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −2,007,006−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −1,570,953−100.0% | Sold out |
| Towle & Co | 0 | $0 | 0.00% | −1,463,161−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −1,134,086−100.0% | Sold out |
| Empyrean Capital Partners, LP | 0 | $0 | 0.00% | −452,148−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −418,397−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −363,216−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −214,000−100.0% | Sold out |
| Wolf Hill Capital Management, LP | 0 | $0 | 0.00% | −213,712−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −188,663−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −157,991−100.0% | Sold out |
| Mutual Advisors, LLC | 0 | $0 | 0.00% | −146,802−100.0% | Sold out |
| Robotti Robert | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −65,689−100.0% | Sold out |
| Susquehanna Advisors Group, Inc. | 0 | $0 | 0.00% | −56,400−100.0% | Sold out |
| Eisler Capital Management Ltd. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −42,190−100.0% | Sold out |
| Gamco Investors, Inc. Et Al | 0 | $0 | 0.00% | −31,125−100.0% | Sold out |
| AMH Equity Ltd | 0 | $0 | 0.00% | −30,191−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −28,009−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −24,940−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −24,435−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −21,244−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −15,296−100.0% | Sold out |
| Clayton Partners LLC | 0 | $0 | 0.00% | −10,715−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −10,400−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −8,901−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −4,601−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −1,045−100.0% | Sold out |
| WealthCollab, LLC | 0 | $0 | 0.00% | −546−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −5−100.0% | Sold out |