Algoma Steel Group Inc. - ASTL
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | History | Added to | 15,930,818 | 65,794 | 2.14% | 1.95% | 1 | +1,500,000 | 10.39% | Q1 2026 | May 15, 2026 |
| MMCAP International Inc. SPC | History | Added to | 12,845,622 | 53,052 | 4.58% | 4.71% | 2 | +1,357,761 | 11.82% | Q1 2026 | May 15, 2026 |
| DONALD SMITH & CO., INC. | History | Added to | 6,028,929 | 24,899 | 0.45% | 0.45% | 3 | +167,298 | 2.85% | Q1 2026 | May 14, 2026 |
| INVESCO SENIOR SECURED MANAGEMENT INC /ADV | History | No change | 3,233,117 | 18,267 | 44.65% | 44.65% | 4 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Reduced | 4,115,453 | 16,996 | 0.0% | 0.0% | 5 | -4,386,450 | -51.59% | Q1 2026 | May 13, 2026 |
| LITTLEJOHN & CO LLC | History | No change | 3,446,503 | 14,234 | 13.48% | 7.36% | 6 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Scheer, Rowlett & Associates Investment Management Ltd. | History | Reduced | 3,207,480 | 13,237 | 0.95% | 0.94% | 7 | -129,045 | -3.87% | Q1 2026 | May 11, 2026 |
| AEGIS FINANCIAL CORP | History | No change | 1,786,122 | 7,376 | 1.27% | 1.75% | 8 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| LM Asset Management Inc. | History | Added to | 1,765,000 | 7,289 | 3.79% | 4.77% | 9 | +295,000 | 20.07% | Q1 2026 | May 11, 2026 |
| CDC Financial, Inc. | History | Reduced | 1,753,749 | 7,242 | 4.61% | 5.18% | 10 | -754,600 | -30.08% | Q1 2026 | May 15, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Reduced | 1,725,758 | 7,122 | 0.02% | 0.02% | 11 | -539,105 | -23.8% | Q1 2026 | May 11, 2026 |
| MORGAN STANLEY | History | Added to | 1,483,711 | 6,127 | 0.0% | 0.0% | 12 | +443,172 | 42.59% | Q1 2026 | May 15, 2026 |
| Sourcerock Group LLC | History | New | 1,306,403 | 5,395 | 0.22% | — | 13 | +1,306,403 | New | Q1 2026 | May 15, 2026 |
| Solas Capital Management, LLC | History | Reduced | 1,047,454 | 4,325 | 2.49% | 2.49% | 14 | -21,897 | -2.05% | Q1 2026 | May 15, 2026 |
| Bracebridge Capital, LLC | History | No change | 924,931 | 3,819 | 0.1% | 0.12% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 895,566 | 3,698 | 0.0% | 0.0% | 16 | -10,376 | -1.15% | Q1 2026 | May 12, 2026 |
| Quadrature Capital Ltd | History | Reduced | 878,540 | 3,614 | 0.04% | 0.04% | 17 | -139,560 | -13.71% | Q1 2026 | May 15, 2026 |
| JB CAPITAL PARTNERS LP | History | No change | 872,277 | 3,602 | 0.62% | 0.62% | 18 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| TD ASSET MANAGEMENT INC | History | Reduced | 841,904 | 3,462 | 0.0% | 0.01% | 19 | -845,516 | -50.11% | Q1 2026 | May 11, 2026 |
| Bain Capital Credit, LP | History | No change | 825,777 | 3,410 | 1.13% | 0.89% | 20 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| TCW GROUP INC | History | Added to | 768,178 | 3,172 | 0.02% | 0.02% | 21 | +95,500 | 14.2% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 766,411 | 3,165 | 0.0% | 0.0% | 22 | +57,051 | 8.04% | Q1 2026 | May 15, 2026 |
| Ewing Morris & Co. Investment Partners Ltd. | History | Added to | 710,000 | 2,920 | 1.31% | 1.11% | 23 | +97,500 | 15.92% | Q1 2026 | May 11, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 673,490 | 2,781 | 0.0% | 0.0% | 24 | +35,510 | 5.57% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 598,919 | 2,463 | 0.0% | 0.0% | 25 | -103,815 | -14.77% | Q1 2026 | May 15, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 571,566 | 2,360 | 0.0% | 0.0% | 26 | +170,076 | 42.36% | Q1 2026 | May 08, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 499,105 | 2,061 | 0.0% | 0.0% | 27 | -20,723 | -3.99% | Q1 2026 | May 14, 2026 |
| SIG North Trading, ULC | History | Added to | 469,917 | 1,940 | 0.04% | 0.03% | 28 | +114,200 | 32.1% | Q1 2026 | May 15, 2026 |
| HRT FINANCIAL LP | History | New | 467,190 | 1,929 | 0.0% | — | 29 | +467,190 | New | Q1 2026 | May 14, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Reduced | 463,228 | 1,913 | 0.09% | 0.11% | 30 | -177,096 | -27.66% | Q1 2026 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 361,996 | 1,493 | 0.0% | 0.0% | 31 | -21,591 | -5.63% | Q1 2026 | May 07, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 356,143 | 1,470 | 0.0% | 0.0% | 32 | -625,161 | -63.71% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Reduced | 306,957 | 1,267 | 0.0% | 0.0% | 33 | -637,807 | -67.51% | Q1 2026 | May 05, 2026 |
| D. E. Shaw & Co., Inc. | History | Reduced | 289,744 | 1,195 | 0.0% | 0.0% | 34 | -252,714 | -46.59% | Q1 2026 | May 15, 2026 |
| BANK OF MONTREAL /CAN/ | History | Added to | 272,613 | 1,125 | 0.0% | 0.0% | 35 | +68,697 | 33.69% | Q1 2026 | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 269,900 | 1,114 | 0.0% | — | 36 | +269,900 | New | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 252,457 | 1,042 | 0.0% | 0.0% | 37 | +97,207 | 62.61% | Q1 2026 | May 15, 2026 |
| CenterBook Partners LP | History | Reduced | 233,509 | 964 | 0.05% | 0.08% | 38 | -165,336 | -41.45% | Q1 2026 | May 05, 2026 |
| ExodusPoint Capital Management, LP | History | Added to | 229,563 | 948 | 0.01% | 0.0% | 39 | +203,223 | 771.54% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | New | 230,817 | 914 | 0.0% | — | 40 | +230,817 | New | Q1 2026 | May 13, 2026 |
| Purpose Unlimited Inc. | History | New | 200,000 | 825 | 0.03% | — | 41 | +200,000 | New | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | Added to | 182,347 | 753 | 0.01% | 0.02% | 42 | +38,643 | 26.89% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Added to | 171,556 | 708 | 0.0% | 0.0% | 43 | +125,310 | 270.96% | Q1 2026 | May 14, 2026 |
| Quantbot Technologies LP | History | Added to | 157,928 | 652 | 0.03% | 0.02% | 44 | +30,081 | 23.53% | Q1 2026 | May 13, 2026 |
| Caption Management, LLC | History | Reduced | 152,299 | 628 | 0.0% | 0.01% | 45 | -214,657 | -58.5% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 146,821 | 607 | 0.0% | 0.0% | 46 | +1,225 | 0.84% | Q1 2026 | May 15, 2026 |
| Quinn Opportunity Partners LLC | History | No change | 142,336 | 587 | 0.03% | 0.02% | 47 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Voleon Capital Management LP | History | Added to | 130,919 | 540 | 0.01% | 0.0% | 48 | +90,833 | 226.6% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 117,276 | 484 | 0.0% | — | 49 | +117,276 | New | Q1 2026 | May 14, 2026 |
| Summit Financial, LLC | History | No change | 110,333 | 455 | 0.01% | 0.01% | 50 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 102,156 | 421 | 0.0% | 0.0% | 51 | -21,231 | -17.21% | Q1 2026 | May 13, 2026 |
| Assenagon Asset Management S.A. | History | New | 99,107 | 409 | 0.0% | — | 52 | +99,107 | New | Q1 2026 | Apr 20, 2026 |
| MACKENZIE FINANCIAL CORP | History | Added to | 98,773 | 407 | 0.0% | 0.0% | 53 | +3,997 | 4.22% | Q1 2026 | May 13, 2026 |
| AYAL Capital Advisors Ltd | History | New | 95,000 | 392 | 0.11% | — | 54 | +95,000 | New | Q1 2026 | May 15, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | Reduced | 91,423 | 377 | 0.01% | 0.01% | 55 | -28,837 | -23.98% | Q1 2026 | May 15, 2026 |
| Boston Partners | History | Added to | 87,067 | 359 | 0.0% | 0.0% | 56 | +18,469 | 26.92% | Q1 2026 | May 11, 2026 |
| Point72 Asset Management, L.P. | History | New | 73,916 | 307 | 0.0% | — | 57 | +73,916 | New | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 73,600 | 301 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| FNY Investment Advisers, LLC | History | Reduced | 70,895 | 292 | 0.13% | 0.1% | 59 | -18,448 | -20.65% | Q1 2026 | Apr 15, 2026 |
| PDT Partners, LLC | History | Reduced | 70,304 | 290 | 0.02% | 0.02% | 60 | -8,500 | -10.79% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 65,417 | 270 | 0.0% | 0.0% | 61 | -48,684 | -42.67% | Q1 2026 | May 12, 2026 |
| Squarepoint Ops LLC | History | New | 64,174 | 265 | 0.0% | — | 62 | +64,174 | New | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 63,813 | 263 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 62,393 | 257 | 0.0% | 0.0% | 64 | -459,964 | -88.06% | Q1 2026 | May 15, 2026 |
| LPL Financial LLC | History | Reduced | 59,794 | 246 | 0.0% | 0.0% | 65 | -2,400 | -3.86% | Q1 2026 | May 06, 2026 |
| Invesco Ltd. | History | Reduced | 59,150 | 244 | 0.0% | 0.0% | 66 | -7,563 | -11.34% | Q1 2026 | May 12, 2026 |
| IMC-Chicago, LLC | History | Reduced | 58,000 | 239 | 0.0% | 0.0% | 68 | -20,700 | -26.3% | Q1 2026 | May 05, 2026 |
| TERRIL BROTHERS, INC. | History | No change | 58,000 | 239 | 0.07% | 0.06% | 67 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 54,983 | 227 | 0.01% | 0.01% | 69 | +12,494 | 29.41% | Q1 2026 | May 08, 2026 |
| HSBC HOLDINGS PLC | History | Added to | 54,379 | 222 | 0.0% | 0.0% | 70 | +15,625 | 40.32% | Q1 2026 | Apr 30, 2026 |
| Aquatic Capital Management LLC | History | Added to | 47,257 | 195 | 0.01% | 0.0% | 71 | +38,448 | 436.46% | Q1 2026 | May 15, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 45,070 | 186 | 0.0% | — | 72 | +45,070 | New | Q1 2026 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Reduced | 41,076 | 169 | 0.0% | 0.0% | 73 | -28,096 | -40.62% | Q1 2026 | May 15, 2026 |
| TORONTO DOMINION BANK | History | Added to | 36,178 | 149 | 0.0% | 0.0% | 74 | +16,118 | 80.35% | Q1 2026 | May 15, 2026 |
| Phoenix Financial Ltd. | History | No change | 35,714 | 147 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Added to | 35,367 | 146 | 0.02% | 0.01% | 76 | +25,093 | 244.24% | Q1 2026 | May 15, 2026 |
| FIL Ltd | History | Added to | 30,961 | 127 | 0.0% | 0.0% | 77 | +10,391 | 50.52% | Q1 2026 | May 15, 2026 |
| Claret Asset Management Corp | History | No change | 30,375 | 125 | 0.01% | 0.01% | 78 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Verition Fund Management LLC | History | Reduced | 26,803 | 110 | 0.0% | 0.02% | 79 | -1,221,999 | -97.85% | Q1 2026 | May 15, 2026 |
| CIBC WORLD MARKET INC. | History | Reduced | 25,551 | 105 | 0.0% | 0.0% | 80 | -6,874 | -21.2% | Q1 2026 | May 14, 2026 |
| Net Worth Advisory Group | History | Reduced | 22,388 | 92 | 0.02% | 0.02% | 81 | -1,255 | -5.31% | Q1 2026 | May 05, 2026 |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | History | No change | 21,773 | 89 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| Federation des caisses Desjardins du Quebec | History | Added to | 18,360 | 74 | 0.0% | 0.0% | 83 | +500 | 2.8% | Q1 2026 | May 13, 2026 |
| Corient Private Wealth LLC | History | No change | 15,000 | 61 | 0.0% | 0.0% | 84 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 14,800 | 60 | 0.0% | 0.0% | 85 | -4,600 | -23.71% | Q1 2026 | May 13, 2026 |
| Scientech Research LLC | History | New | 13,748 | 56 | 0.05% | — | 86 | +13,748 | New | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 13,188 | 54 | 0.0% | — | 87 | +13,188 | New | Q1 2026 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 11,517 | 47 | 0.0% | — | 88 | +11,517 | New | Q1 2026 | May 15, 2026 |
| EJF Capital LP | History | No change | 11,000 | 45 | 0.03% | 0.03% | 89 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | Reduced | 10,807 | 44 | 0.0% | 0.0% | 90 | -272 | -2.46% | Q1 2026 | May 15, 2026 |
| ELEMENT POINTE ADVISORS, LLC | History | No change | 10,000 | 41 | 0.01% | 0.01% | 91 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| NewEdge Advisors, LLC | History | No change | 28,299 | 28 | 0.0% | 0.0% | 92 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Aviso Financial Inc. | History | Reduced | 6,033 | 24 | 0.0% | 0.0% | 93 | -526 | -8.02% | Q1 2026 | May 13, 2026 |
| TD Waterhouse Canada Inc. | History | New | 4,700 | 19 | 0.0% | — | 94 | +4,700 | New | Q1 2026 | May 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 3,855 | 15 | 0.0% | 0.0% | 95 | +1,518 | 64.96% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Reduced | 3,236 | 13 | 0.0% | 0.0% | 96 | -3,884 | -54.55% | Q1 2026 | May 11, 2026 |
| ASSETMARK, INC | History | New | 2,500 | 10 | 0.0% | — | 97 | +2,500 | New | Q1 2026 | May 06, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 1,683 | 6 | 0.0% | — | 98 | +1,516 | 907.78% | Q1 2026 | May 15, 2026 |
| Ulland Investment Advisors, LLC | History | No change | 1,000 | 4 | 0.0% | 0.0% | 99 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| GOLDENTREE ASSET MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.55% | — | -2,493,548 | -100.0% | Q1 2026 | May 14, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,208,646 | -100.0% | Q1 2026 | May 15, 2026 |
| Walleye Capital LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -635,534 | -100.0% | Q1 2026 | May 13, 2026 |
| Orion Resource Partners LP | History | Closed out | 0 | 0 | — | 0.77% | — | -381,728 | -100.0% | Q1 2026 | May 15, 2026 |
| NOMURA HOLDINGS INC | History | Closed out | 0 | 0 | — | 0.0% | — | -258,267 | -100.0% | Q1 2026 | May 15, 2026 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | History | Closed out | 0 | 0 | — | 0.09% | — | -231,219 | -100.0% | Q1 2026 | May 07, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -177,743 | -100.0% | Q1 2026 | May 04, 2026 |
| Senvest Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -85,789 | -100.0% | Q1 2026 | May 14, 2026 |
| Lighthouse Investment Partners, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -75,708 | -100.0% | Q1 2026 | May 14, 2026 |
| Walleye Trading LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -61,074 | -100.0% | Q1 2026 | May 08, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -55,000 | -100.0% | Q1 2026 | Apr 08, 2026 |
| PenderFund Capital Management Ltd. | History | Closed out | 0 | 0 | — | 0.03% | — | -50,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Legal & General Group Plc | History | Closed out | 0 | 0 | — | 0.0% | — | -33,330 | -100.0% | Q1 2026 | May 08, 2026 |
| PharVision Advisers, LLC | History | Closed out | 0 | 0 | — | 0.07% | — | -32,839 | -100.0% | Q1 2026 | May 11, 2026 |
| Clear Harbor Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -26,000 | -100.0% | Q1 2026 | May 05, 2026 |
| Allianz Asset Management GmbH | History | Closed out | 0 | 0 | — | 0.0% | — | -21,822 | -100.0% | Q1 2026 | May 11, 2026 |
| DekaBank Deutsche Girozentrale | History | Closed out | 0 | 0 | — | 0.0% | — | -21,188 | -100.0% | Q1 2026 | May 07, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | Closed out | 0 | 0 | — | 0.0% | — | -17,575 | -100.0% | Q1 2026 | May 14, 2026 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,201 | -100.0% | Q1 2026 | May 14, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,798 | -100.0% | Q1 2026 | May 14, 2026 |
| Quarry LP | History | Closed out | 0 | 0 | — | 0.0% | — | -2,426 | -100.0% | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -332 | -100.0% | Q1 2026 | May 11, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | — | — | -243 | -100.0% | Q1 2026 | May 08, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 51 | 0 | — | — | — | -50 | -49.5% | Q1 2026 | Apr 27, 2026 |
| Alpine Global Management, LLC | History | New | 29 | 0 | — | — | — | +29 | New | Q1 2026 | May 15, 2026 |
| Larson Financial Group LLC | History | Closed out | 0 | 0 | — | — | — | -11 | -100.0% | Q1 2026 | May 15, 2026 |
| Arlington Trust Co LLC | History | No change | 100 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 08, 2026 |
| Basepoint Wealth LLC | History | No change | 51 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 07, 2026 |