Algoma Steel GroupASTL
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 95 institutions reported holding Algoma Steel Group Inc. (ASTL) in their 13F filings, down 3 from Q1 2026. 12 opened new positions and 15 sold out. The largest holders were Maple Rock Capital Partners Inc. ($68.3M), MMCAP International Inc. SPC ($44.4M) and Donald Smith & Co., Inc. ($21.4M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Algoma Steel Group Inc.
- CUSIP
- 015658107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $10.7M |
| Exits | 15 | $9.4M |
All 13F filers, Q1 2026 → Q2 2026: 11,196,569 shares bought and 11,048,275 shares sold, net +148,294 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 95 holders
| Maple Rock Capital Partners Inc. | 1.34% | Add +5.8% | 16,861,818 | $68.3M |
| MMCAP International Inc. SPC | 3.84% | Reduce -14.7% | 10,954,738 | $44.4M |
| Donald Smith & Co., Inc. | 0.38% | Reduce -12.5% | 5,277,631 | $21.4M |
| BlackRock, Inc. | 0.00% | Add +0.7% | 4,143,265 | $16.8M |
| Scheer, Rowlett & Associates Investment Management Ltd. | 1.13% | Add +19.9% | 3,846,390 | $15.7M |
| Morgan Stanley | 0.00% | Add +99.4% | 2,958,350 | $12.0M |
| Aegis Financial Corp. | 1.14% | No change | 1,786,122 | $7.2M |
| CDC Financial, Inc. | 5.44% | Add +8.2% | 1,745,647 | $7.1M |
| Brightline Capital Management, LLC | 1.46% | New | 1,660,000 | $6.7M |
| Littlejohn & Co. LLC | 7.83% | Reduce -55.9% | 1,518,714 | $6.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -19.6% | 1,387,320 | $5.6M |
| Sourcerock Group LLC | 0.26% | Reduce -4.5% | 1,247,507 | $5.1M |
| Mackenzie Financial Corp. | 0.01% | Add +1246.3% | 1,329,806 | $5.0M |
| Two Sigma Investments, LP | 0.00% | Add +286.0% | 1,041,811 | $4.2M |
| LM Asset Management Inc. | 2.85% | Reduce -42.4% | 1,016,000 | $4.1M |
| Bracebridge Capital, LLC | 0.81% | No change | 924,931 | $3.7M |
| JB Capital Partners LP | 0.55% | No change | 872,277 | $3.5M |
| Citadel Advisors | 0.00% | Add +215.9% | 845,935 | $3.4M |
| Bain Capital Credit, LP | 0.91% | No change | 825,777 | $3.3M |
| JPMorgan Chase & Co. | 0.00% | Add +251.0% | 810,208 | $3.2M |
| Ewing Morris & Co. Investment Partners Ltd. | 1.54% | Add +1.7% | 722,350 | $2.9M |
| Quadrature Capital Ltd | 0.02% | Reduce -22.3% | 682,493 | $2.8M |
| D. E. Shaw & Co. | 0.00% | Add +147.8% | 670,373 | $2.7M |
| TCW Group Inc. | 0.02% | Reduce -20.9% | 607,478 | $2.5M |
| Point72 Asset Management | 0.00% | Add +678.2% | 575,225 | $2.3M |
| TD Asset Management Inc | 0.00% | Reduce -40.8% | 498,279 | $2.0M |
| Marshall Wace, LLP | 0.00% | New | 499,494 | $2.0M |
| Acadian Asset Management LLC | 0.00% | Add +3198.6% | 488,194 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -17.5% | 471,288 | $1.9M |
| Readystate Asset Management LP | 0.12% | No change | 463,228 | $1.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -26.8% | 438,431 | $1.8M |
| BNP Paribas Financial Markets | 0.00% | Add +540.1% | 418,754 | $1.7M |
| Millennium Management | 0.00% | Reduce -49.5% | 386,942 | $1.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.6% | 356,116 | $1.4M |
| Barclays PLC | 0.00% | Add +80.1% | 308,972 | $1.3M |
| Voleon Capital Management LP | 0.02% | Add +134.7% | 307,297 | $1.2M |
| Bank of Montreal | 0.00% | Add +5.8% | 288,488 | $1.2M |
| Jump Financial, LLC | 0.01% | New | 289,675 | $1.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +5.0% | 264,994 | $1.1M |
| Royal Bank of Canada | 0.00% | Add +1.7% | 149,303 | $604K |
| Quinn Opportunity Partners LLC | 0.03% | No change | 142,336 | $576K |
| Simplex Trading, LLC | 0.01% | Reduce -18.8% | 125,725 | $509K |
| XTX Topco Ltd | 0.01% | Reduce -32.7% | 122,662 | $497K |
| Bank of America Corp. | 0.00% | Add +86.3% | 116,242 | $471K |
| Summit Financial, LLC | 0.00% | No change | 110,333 | $447K |
| Quantbot Technologies LP | 0.02% | Reduce -30.9% | 109,199 | $442K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -55.7% | 101,746 | $412K |
| SIG North Trading, ULC | 0.07% | Reduce -44.1% | 96,117 | $389K |
| Boston Partners | 0.00% | Add +2.0% | 88,825 | $360K |
| PDT Partners, LLC | 0.02% | Add +4.0% | 73,079 | $296K |
| Boothbay Fund Management, LLC | 0.01% | Add +58.0% | 71,194 | $288K |
| Geode Capital Management, LLC | 0.00% | Add +6.3% | 67,859 | $275K |
| Gsa Capital Partners LLP | 0.02% | Add +20.9% | 66,463 | $269K |
| LPL Financial LLC | 0.00% | Reduce -5.5% | 56,526 | $229K |
| Terril Brothers, Inc. | 0.06% | Reduce -6.9% | 54,000 | $219K |
| HSBC Holdings PLC | 0.00% | Reduce -2.0% | 53,267 | $214K |
| Jane Street Group, LLC | 0.00% | Reduce -94.1% | 52,687 | $213K |
| American Century Companies Inc. | 0.00% | Add +23.7% | 50,800 | $207K |
| Invesco Ltd. | 0.00% | Reduce -28.9% | 42,054 | $170K |
| Squarepoint Ops LLC | 0.00% | Reduce -34.9% | 41,806 | $169K |
| Campbell & CO Investment Adviser LLC | 0.01% | New | 41,049 | $166K |
| Phoenix Financial Ltd. | 0.00% | No change | 35,714 | $145K |
| Lavaca Capital LLC | 0.01% | New | 35,573 | $144K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 35,549 | $144K |
| Group One Trading LLC | 0.00% | Reduce -59.3% | 34,896 | $141K |
| Prelude Capital Management, LLC | 0.01% | New | 31,881 | $129K |
| Claret Asset Management Corp | 0.01% | No change | 30,375 | $123K |
| NewEdge Advisors, LLC | 0.00% | Reduce -1.4% | 27,899 | $113K |
| Verition Fund Management LLC | 0.00% | No change | 26,803 | $109K |
| Olympiad Research LP | 0.22% | New | 25,736 | $104K |
| Cibc World Market Inc. | 0.00% | Reduce -1.0% | 25,300 | $102K |
| FIL Ltd | 0.00% | Reduce -26.0% | 22,908 | $93K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | No change | 21,773 | $88K |
| Net Worth Advisory Group | 0.02% | Reduce -7.0% | 20,833 | $84K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 18,360 | $74K |
| Victory Capital Management Inc. | 0.00% | Add +3.9% | 11,223 | $45K |
| Aquatic Capital Management LLC | 0.00% | Reduce -76.4% | 11,173 | $45K |
| EJF Capital LP | 0.03% | No change | 11,000 | $45K |
| SG Americas Securities, LLC | 0.00% | New | 10,886 | $44K |
| Toronto Dominion Bank | 0.00% | Reduce -61.8% | 10,000 | $41K |
| Element Pointe Advisors, LLC | 0.01% | No change | 10,000 | $41K |
| UBS Group AG | 0.00% | Reduce -97.3% | 8,294 | $34K |
| Citigroup Inc. | 0.00% | Add +111.7% | 6,849 | $28K |
| TD Waterhouse Canada Inc. | 0.00% | Add +42.5% | 6,700 | $26K |
| Aviso Financial Inc. | 0.00% | Add +2.2% | 6,164 | $25K |
| Assetmark, Inc. | 0.00% | No change | 2,500 | $10K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.1% | 1,682 | $7K |
| Jones Financial Companies LLLP | 0.00% | New | 878 | $4K |
| FNY Investment Advisers, LLC | 0.00% | Reduce -98.7% | 830 | $3K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 128 | $518 |
| Physician Wealth Advisors, Inc. | 0.00% | New | 111 | $450 |
| Arlington Trust Co LLC | 0.00% | No change | 100 | $405 |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -98.0% | 78 | $316 |
| Basepoint Wealth LLC | 0.00% | No change | 51 | $208 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -2.0% | 50 | $203 |
"% of holder's portfolio" is ASTL's weight in each manager's 13F, not the share of Algoma Steel Group Inc. the manager owns.