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 2025
Institutional positions in Algoma Steel Group Inc. as of Jun 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
- 127
- −3 vs. Q1 2025
- Shares held
- 80.2M
- +2.89M (+3.7%) vs. Q1 2025
- Total value
- $552.9M
- +$126.8M (+29.8%) vs. Q1 2025
- New holders
- 26
- 33 more added
- Sold out
- 29
- 38 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | 8,396,800 | $57.9M | 2.89% | +1,296,800+18.3% | Added |
| MMCAP International Inc. SPC | 7,218,218 | $49.7M | 5.98% | +576,801+8.7% | Added |
| BlackRock, Inc. | 6,385,043 | $44.0M | 0.00% | +589,482+10.2% | Added |
| Donald Smith & Co., Inc. | 6,040,168 | $41.6M | 0.98% | −2,047,952−25.3% | Reduced |
| FMR LLC | 3,952,846 | $27.2M | 0.00% | −642,800−14.0% | Reduced |
| Scheer, Rowlett & Associates Investment Management Ltd. | 3,898,205 | $27.0M | 1.75% | +989,633+34.0% | Added |
| Contrarian Capital Management, L.L.C. | 3,572,018 | $24.6M | 7.04% | 00.0% | Unchanged |
| Invesco Senior Secured Management Inc | 3,233,117 | $22.3M | 31.34% | 00.0% | Unchanged |
| Goldentree Asset Management LP | 2,493,548 | $17.2M | 1.66% | 00.0% | Unchanged |
| Littlejohn & Co LLC | 2,273,972 | $15.7M | 7.45% | +71,277+3.2% | Added |
| J. Goldman & Co LP | 2,236,373 | $15.4M | 0.48% | +372,196+20.0% | Added |
| Intact Investment Management Inc. | 2,007,006 | $13.9M | 0.47% | +543,245+37.1% | Added |
| Aegis Financial Corp | 1,786,122 | $12.3M | 7.24% | +326,219+22.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,570,953 | $10.9M | 0.04% | +1,570,953 | New |
| Towle & Co | 1,463,161 | $10.1M | 2.37% | −338,504−18.8% | Reduced |
| Solas Capital Management, LLC | 1,431,936 | $9.87M | 5.52% | −28,710−2.0% | Reduced |
| TD Asset Management Inc | 1,363,300 | $9.40M | 0.01% | +1,195,416+712.0% | Added |
| Arrowstreet Capital, Limited Partnership | 1,134,086 | $7.83M | 0.01% | +27,401+2.5% | Added |
| NewGen Asset Management Ltd | 1,132,909 | $7.81M | 5.10% | +400,409+54.7% | Added |
| TCW Group Inc | 1,119,221 | $7.71M | 0.06% | −289,000−20.5% | Reduced |
| AYAL Capital Advisors Ltd | 1,092,000 | $7.52M | 4.10% | −150,680−12.1% | Reduced |
| Amitell Capital Pte Ltd | 1,080,042 | $7.44M | 4.18% | +1,080,042 | New |
| JB Capital Partners LP | 992,177 | $6.84M | 1.27% | 00.0% | Unchanged |
| Bracebridge Capital, LLC | 924,931 | $6.37M | 3.39% | 00.0% | Unchanged |
| LM Asset (IM) Inc. | 890,000 | $6.13M | 5.70% | −20,000−2.2% | Reduced |
| Bain Capital Credit, LP | 837,212 | $5.77M | 2.09% | 00.0% | Unchanged |
| General American Investors Co Inc | 816,056 | $5.62M | 0.38% | 00.0% | Unchanged |
| Readystate Asset Management LP | 565,225 | $3.89M | 0.16% | +565,225 | New |
| Heartland Advisors Inc | 500,000 | $3.44M | 0.19% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 479,999 | $3.31M | 0.00% | +234,471+95.5% | Added |
| Empyrean Capital Partners, LP | 452,148 | $3.12M | 0.14% | +452,148 | New |
| Dimensional Fund Advisors LP | 431,725 | $2.97M | 0.00% | −44,042−9.3% | Reduced |
| Verition Fund Management LLC | 418,397 | $2.88M | 0.02% | +418,397 | New |
| Morgan Stanley | 405,201 | $2.79M | 0.00% | −251,528−38.3% | Reduced |
| Russell Investments Group, Ltd. | 398,037 | $2.74M | 0.00% | −24,186−5.7% | Reduced |
| Charles Schwab Investment Management Inc | 391,431 | $2.70M | 0.00% | −23,712−5.7% | Reduced |
| Ewing Morris & Co. Investment Partners Ltd. | 390,000 | $2.69M | 1.21% | +180,000+85.7% | Added |
| Polar Asset Management Partners Inc. | 363,216 | $2.51M | 0.06% | +363,216 | New |
| Citadel Advisors LLC | 320,902 | $2.21M | 0.00% | +245,488+325.5% | Added |
| Federation des caisses Desjardins du Quebec | 313,169 | $2.16M | 0.01% | +310,169+10,339.0% | Added |
| CenterBook Partners LP | 287,590 | $1.98M | 0.11% | +25,424+9.7% | Added |
| Senvest Management, LLC | 275,089 | $1.90M | 0.06% | 00.0% | Unchanged |
| HITE Hedge Asset Management LLC | 214,556 | $1.48M | 0.08% | +128,713+149.9% | Added |
| SummitTX Capital, L.P. | 214,000 | $1.47M | 0.07% | +214,000 | New |
| Wolf Hill Capital Management, LP | 213,712 | $1.47M | 0.12% | 00.0% | Unchanged |
| Moore Capital Management, LP | 212,331 | $1.46M | 0.03% | +212,331 | New |
| Bank of America Corp | 196,364 | $1.35M | 0.00% | −407,288−67.5% | Reduced |
| Caption Management, LLC | 188,663 | $1.30M | 0.12% | +179,009+1,854.2% | Added |
| Quinn Opportunity Partners LLC | 176,342 | $1.21M | 0.10% | −20,000−10.2% | Reduced |
| Swiss National Bank | 171,507 | $1.18M | 0.00% | −11,600−6.3% | Reduced |
| UBS Group AG | 169,337 | $1.17M | 0.00% | +69,924+70.3% | Added |
| Adage Capital Partners GP, L.L.C. | 157,991 | $1.09M | 0.00% | +157,991 | New |
| Millennium Management LLC | 140,752 | $969.8K | 0.00% | −668,141−82.6% | Reduced |
| Mutual Advisors, LLC | 146,802 | $914.6K | 0.02% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 115,258 | $794.1K | 0.00% | +47,766+70.8% | Added |
| IMC-Chicago, LLC | 115,231 | $793.9K | 0.02% | +115,231 | New |
| Geode Capital Management, LLC | 113,989 | $784.6K | 0.00% | −470−0.4% | Reduced |
| Group One Trading, L.P. | 113,080 | $779.1K | 0.03% | +113,080 | New |
| Royal Bank of Canada | 103,860 | $716.0K | 0.00% | +79,938+334.2% | Added |
| CIBC World Markets Inc. | 99,345 | $684.5K | 0.00% | −53,490−35.0% | Reduced |
| Van Eck Associates Corp | 96,092 | $662.0K | 0.00% | +18,183+23.3% | Added |
| Robotti Robert | 90,000 | $620.1K | 0.12% | 00.0% | Unchanged |
| Legal & General Group Plc | 88,583 | $610.9K | 0.00% | +8,963+11.3% | Added |
| Bank of Montreal | 87,657 | $606.1K | 0.00% | −265,407−75.2% | Reduced |
| Quantbot Technologies LP | 83,169 | $573.0K | 0.01% | +29,595+55.2% | Added |
| Vanguard Group Inc | 76,477 | $528.5K | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 69,751 | $481.0K | 0.00% | −234,983−77.1% | Reduced |
| Boston Partners | 67,990 | $468.4K | 0.00% | −1,268−1.8% | Reduced |
| UBS Asset Management Americas Inc | 65,689 | $452.6K | 0.00% | −7,972−10.8% | Reduced |
| Squarepoint Ops LLC | 61,696 | $425.1K | 0.00% | −65,847−51.6% | Reduced |
| Public Employees Retirement System of Ohio | 59,115 | $408.1K | 0.00% | +1,087+1.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 56,000 | $397.0K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 57,400 | $395.5K | 0.00% | −170,205−74.8% | Reduced |
| Susquehanna Advisors Group, Inc. | 56,400 | $388.6K | 0.02% | +56,400 | New |
| Orion Resource Partners LP | 53,193 | $368.2K | 0.07% | +53,193 | New |
| Eisler Capital Management Ltd. | 50,000 | $344.3K | 0.01% | +50,000 | New |
| Terril Brothers, Inc. | 49,500 | $341.1K | 0.13% | +14,000+39.4% | Added |
| Mackenzie Financial Corp | 48,277 | $333.8K | 0.00% | +48,277 | New |
| LPL Financial LLC | 45,626 | $314.4K | 0.00% | −2,395−5.0% | Reduced |
| Invesco Ltd. | 44,451 | $306.3K | 0.00% | −5,232−10.5% | Reduced |
| PDT Partners, LLC | 44,172 | $304.3K | 0.02% | +44,172 | New |
| Y-Intercept (Hong Kong) Ltd | 42,190 | $290.7K | 0.01% | −52,656−55.5% | Reduced |
| American Century Companies Inc | 38,099 | $263.3K | 0.00% | −105,038−73.4% | Reduced |
| Phoenix Holdings Ltd. | 35,714 | $246.1K | 0.00% | 00.0% | Unchanged |
| Gamco Investors, Inc. Et Al | 31,125 | $214.5K | 0.00% | +450+1.5% | Added |
| Claret Asset Management Corp | 30,375 | $209.0K | 0.03% | 00.0% | Unchanged |
| AMH Equity Ltd | 30,191 | $208.0K | 0.31% | −239,812−88.8% | Reduced |
| JPMorgan Chase & Co | 28,009 | $193.0K | 0.00% | −323,362−92.0% | Reduced |
| DekaBank Deutsche Girozentrale | 21,188 | $180.0K | 0.00% | 00.0% | Unchanged |
| Net Worth Advisory Group | 25,960 | $178.9K | 0.04% | +11,184+75.7% | Added |
| Dynamic Technology Lab Private Ltd | 24,940 | $172.0K | 0.02% | +24,940 | New |
| GWM Advisors LLC | 24,899 | $171.6K | 0.00% | +373+1.5% | Added |
| Campbell & CO Investment Adviser LLC | 24,435 | $168.4K | 0.01% | +4,346+21.6% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 21,773 | $150.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 21,244 | $146.4K | 0.00% | +21,244 | New |
| National Bank of Canada | 21,144 | $141.7K | 0.00% | −19,573−48.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,329 | $133.2K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 18,400 | $126.8K | 0.00% | −5,237−22.2% | Reduced |
| Graham Capital Management, L.P. | 17,952 | $123.7K | 0.00% | +17,952 | New |
| Neuberger Berman Group LLC | 15,296 | $105.5K | 0.00% | +15,296 | New |