Algoma Steel GroupASTL
13F holders, Q2 2025 (June 30)127holders −3
26new positions
30sold out
4famous investors
$6.89avg. 13F price*
At the end of Q2 2025, 127 institutions reported holding Algoma Steel Group Inc. (ASTL) in their 13F filings, down 3 from Q1 2025. 26 opened new positions and 30 sold out. The largest holders were Maple Rock Capital Partners Inc. ($57.9M), MMCAP International Inc. SPC ($49.7M) and BlackRock, Inc. ($44.0M). 4 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Algoma Steel Group Inc.
- CUSIP
- 015658107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $38.8M |
| Exits | 30 | $22.7M |
All 13F filers, Q1 2025 → Q2 2025: 13,614,298 shares bought and 10,723,488 shares sold, net +2,890,810 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 127 holders
| Maple Rock Capital Partners Inc. | 2.89% | Add +18.3% | 8,396,800 | $57.9M |
| MMCAP International Inc. SPC | 6.11% | Add +8.7% | 7,218,218 | $49.7M |
| BlackRock, Inc. | 0.00% | Add +10.2% | 6,385,043 | $44.0M |
| Donald Smith & Co., Inc. | 0.98% | Reduce -25.3% | 6,040,168 | $41.6M |
| FMR LLC | 0.00% | Reduce -14.0% | 3,952,846 | $27.2M |
| Scheer, Rowlett & Associates Investment Management Ltd. | 1.75% | Add +34.0% | 3,898,205 | $27.0M |
| Contrarian Capital Management, L.L.C. | 7.04% | No change | 3,572,018 | $24.6M |
| Invesco Senior Secured Management Inc. | 31.34% | No change | 3,233,117 | $22.3M |
| Goldentree Asset Management LP | 1.69% | No change | 2,493,548 | $17.2M |
| Littlejohn & Co. LLC | 7.45% | Add +3.2% | 2,273,972 | $15.7M |
| J. Goldman & Co LP | 0.48% | Add +20.0% | 2,236,373 | $15.4M |
| Intact Investment Management Inc. | 0.47% | Add +37.1% | 2,007,006 | $13.9M |
| Aegis Financial Corp. | 7.24% | Add +22.4% | 1,786,122 | $12.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.04% | New | 1,570,953 | $10.9M |
| Towle & Co. | 2.37% | Reduce -18.8% | 1,463,161 | $10.1M |
| Solas Capital Management, LLC | 5.52% | Reduce -2.0% | 1,431,936 | $9.9M |
| TD Asset Management Inc | 0.01% | Add +712.0% | 1,363,300 | $9.4M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +2.5% | 1,134,086 | $7.8M |
| NewGen Asset Management Ltd | 5.10% | Add +54.7% | 1,132,909 | $7.8M |
| TCW Group Inc. | 0.06% | Reduce -20.5% | 1,119,221 | $7.7M |
| AYAL Capital Advisors Ltd | 4.10% | Reduce -12.1% | 1,092,000 | $7.5M |
| Amitell Capital Pte Ltd | 4.18% | New | 1,080,042 | $7.4M |
| JB Capital Partners LP | 1.27% | No change | 992,177 | $6.8M |
| Bracebridge Capital, LLC | 3.52% | No change | 924,931 | $6.4M |
| LM Asset Management Inc. | 5.70% | Reduce -2.2% | 890,000 | $6.1M |
| Bain Capital Credit, LP | 2.09% | No change | 837,212 | $5.8M |
| General American Investors Co. Inc. | 0.38% | No change | 816,056 | $5.6M |
| Readystate Asset Management LP | 0.29% | New | 565,225 | $3.9M |
| Heartland Advisors Inc. | 0.19% | No change | 500,000 | $3.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +95.5% | 479,999 | $3.3M |
| Empyrean Capital Partners, LP | 0.16% | New | 452,148 | $3.1M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -9.3% | 431,725 | $3.0M |
| Verition Fund Management LLC | 0.02% | New | 418,397 | $2.9M |
| Morgan Stanley | 0.00% | Reduce -38.3% | 405,201 | $2.8M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -5.7% | 398,037 | $2.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -5.7% | 391,431 | $2.7M |
| Ewing Morris & Co. Investment Partners Ltd. | 1.21% | Add +85.7% | 390,000 | $2.7M |
| Polar Asset Management Partners Inc. | 0.08% | New | 363,216 | $2.5M |
| Citadel Advisors | 0.00% | Add +325.5% | 320,902 | $2.2M |
| Federation des caisses Desjardins du Quebec | 0.01% | Add +10339.0% | 313,169 | $2.2M |
| CenterBook Partners LP | 0.11% | Add +9.7% | 287,590 | $2.0M |
| Senvest Management, LLC | 0.06% | No change | 275,089 | $1.9M |
| HITE Hedge Asset Management LLC | 0.09% | Add +149.9% | 214,556 | $1.5M |
| SummitTX Capital, L.P. | 0.06% | New | 214,000 | $1.5M |
| Wolf Hill Capital Management, LP | 0.12% | No change | 213,712 | $1.5M |
| Moore Capital Management, LP | 0.03% | New | 212,331 | $1.5M |
| Bank of America Corp. | 0.00% | Reduce -67.5% | 196,364 | $1.4M |
| Caption Management, LLC | 0.12% | Add +1854.3% | 188,663 | $1.3M |
| Quinn Opportunity Partners LLC | 0.10% | Reduce -10.2% | 176,342 | $1.2M |
| Swiss National Bank | 0.00% | Reduce -6.3% | 171,507 | $1.2M |
| UBS Group AG | 0.00% | Add +70.3% | 169,337 | $1.2M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | New | 157,991 | $1.1M |
| Millennium Management | 0.00% | Reduce -82.6% | 140,752 | $970K |
| Mutual Advisors, LLC | 0.02% | No change | 146,802 | $915K |
| Susquehanna International Group, LLP | 0.00% | Add +70.8% | 115,258 | $794K |
| IMC-Chicago, LLC | 0.02% | New | 115,231 | $794K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.4% | 113,989 | $785K |
| Group One Trading LLC | 0.03% | New | 113,080 | $779K |
| Royal Bank of Canada | 0.00% | Add +334.2% | 103,860 | $716K |
| Cibc World Market Inc. | 0.00% | Reduce -35.0% | 99,345 | $684K |
| Van Eck Associates Corp. | 0.00% | Add +23.3% | 96,092 | $662K |
| Robotti Robert | 0.10% | No change | 90,000 | $620K |
| Legal & General Group Plc | 0.00% | Add +11.3% | 88,583 | $611K |
| Bank of Montreal | 0.00% | Reduce -75.2% | 87,657 | $606K |
| Quantbot Technologies LP | 0.01% | Add +55.2% | 83,169 | $573K |
| Vanguard Group Inc. | 0.00% | No change | 76,477 | $528K |
| Nuveen, LLC | 0.00% | Reduce -77.1% | 69,751 | $481K |
| Boston Partners | 0.00% | Reduce -1.8% | 67,990 | $468K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -10.8% | 65,689 | $453K |
| Squarepoint Ops LLC | 0.00% | Reduce -51.6% | 61,696 | $425K |
| Public Employees Retirement System of Ohio | 0.00% | Add +1.9% | 59,115 | $408K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | No change | 56,000 | $397K |
| Renaissance Technologies | 0.00% | Reduce -74.8% | 57,400 | $395K |
| Susquehanna Advisors Group, Inc. | 0.03% | New | 56,400 | $389K |
| Orion Resource Partners LP | 0.07% | New | 53,193 | $368K |
| Eisler Capital Management Ltd. | 0.01% | New | 50,000 | $344K |
| Terril Brothers, Inc. | 0.13% | Add +39.4% | 49,500 | $341K |
| Mackenzie Financial Corp. | 0.00% | New | 48,277 | $334K |
| LPL Financial LLC | 0.00% | Reduce -5.0% | 45,626 | $314K |
| Invesco Ltd. | 0.00% | Reduce -10.5% | 44,451 | $306K |
| PDT Partners, LLC | 0.02% | New | 44,172 | $304K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | Reduce -55.5% | 42,190 | $291K |
| American Century Companies Inc. | 0.00% | Reduce -73.4% | 38,099 | $263K |
| Phoenix Financial Ltd. | 0.00% | No change | 35,714 | $246K |
| GAMCO Investors | 0.00% | Add +1.5% | 31,125 | $214K |
| Claret Asset Management Corp | 0.03% | No change | 30,375 | $209K |
| AMH Equity Ltd | 0.31% | Reduce -88.8% | 30,191 | $208K |
| JPMorgan Chase & Co. | 0.00% | Reduce -92.0% | 28,009 | $193K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 21,188 | $180K |
| Net Worth Advisory Group | 0.04% | Add +75.7% | 25,960 | $179K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 24,940 | $172K |
| NewEdge Advisors, LLC | 0.00% | Add +1.5% | 24,899 | $172K |
| Campbell & CO Investment Adviser LLC | 0.01% | Add +21.6% | 24,435 | $168K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | No change | 21,773 | $150K |
| Engineers Gate Manager LP | 0.00% | New | 21,244 | $146K |
| National Bank of Canada | 0.00% | Reduce -48.1% | 21,144 | $142K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 19,329 | $133K |
| Barclays PLC | 0.00% | Reduce -22.2% | 18,400 | $127K |
| Graham Capital Management, L.P. | 0.00% | New | 17,952 | $124K |
| Neuberger Berman Group LLC | 0.00% | New | 15,296 | $105K |
| Corient Private Wealth LP | 0.00% | No change | 15,000 | $103K |
| Pictet Asset Management Holding SA | 0.00% | No change | 13,901 | $96K |
| HSBC Holdings PLC | 0.00% | New | 12,655 | $87K |
| Alliancebernstein L.P. | 0.00% | No change | 12,180 | $84K |
| EJF Capital LP | 0.06% | No change | 11,000 | $76K |
| Victory Capital Management Inc. | 0.00% | Reduce -6.1% | 10,770 | $74K |
| Clayton Partners LLC | 0.06% | No change | 10,715 | $74K |
| Quadrature Capital Ltd | 0.00% | Reduce -25.0% | 10,570 | $73K |
| Two Sigma Advisers, LP | 0.00% | New | 10,400 | $72K |
| Toronto Dominion Bank | 0.00% | No change | 10,000 | $69K |
| Wells Fargo & Company | 0.00% | Add +301.3% | 9,530 | $66K |
| PEAK6 LLC | 0.00% | Reduce -55.7% | 8,901 | $61K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -9.0% | 7,391 | $51K |
| Citigroup Inc. | 0.00% | Add +93.7% | 7,267 | $50K |
| Deutsche Bank AG | 0.00% | No change | 6,626 | $46K |
| Aviso Financial Inc. | 0.00% | Add +13.4% | 6,338 | $44K |
| Raymond James Financial Inc. | 0.00% | New | 4,601 | $32K |
| FNY Investment Advisers, LLC | 0.01% | Reduce -35.6% | 4,530 | $31K |
| Shell Asset Management Co. | 0.00% | No change | 4,193 | $29K |
| Acadian Asset Management LLC | 0.00% | New | 3,000 | $20K |
| BNP Paribas Financial Markets | 0.00% | Reduce -97.9% | 1,194 | $8K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 1,045 | $7K |
| WealthCollab, LLC | 0.00% | No change | 546 | $4K |
| Osaic Holdings, Inc. | 0.00% | New | 167 | $1K |
| Arlington Trust Co LLC | 0.00% | No change | 100 | $689 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -16.7% | 50 | $345 |
| Fifth Third Bancorp | 0.00% | New | 5 | $34 |
"% of holder's portfolio" is ASTL's weight in each manager's 13F, not the share of Algoma Steel Group Inc. the manager owns.