Algoma Steel GroupASTL
13F holders, Q1 2026 (March 31)98holders −11
15new positions
24sold out
5famous investors
$4.13avg. 13F price*
At the end of Q1 2026, 98 institutions reported holding Algoma Steel Group Inc. (ASTL) in their 13F filings, down 11 from Q4 2025. 15 opened new positions and 24 sold out. The largest holders were Maple Rock Capital Partners Inc. ($65.8M), MMCAP International Inc. SPC ($53.1M) and Donald Smith & Co., Inc. ($24.9M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Algoma Steel Group Inc.
- CUSIP
- 015658107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $11.6M |
| Exits | 24 | $26.6M |
All 13F filers, Q4 2025 → Q1 2026: 8,296,796 shares bought and 16,157,878 shares sold, net −7,861,082 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 98 holders
| Maple Rock Capital Partners Inc. | 2.14% | Add +10.4% | 15,930,818 | $65.8M |
| MMCAP International Inc. SPC | 4.63% | Add +11.8% | 12,845,622 | $53.1M |
| Donald Smith & Co., Inc. | 0.45% | Add +2.9% | 6,028,929 | $24.9M |
| BlackRock, Inc. | 0.00% | Reduce -51.6% | 4,115,453 | $17.0M |
| Littlejohn & Co. LLC | 13.49% | No change | 3,446,503 | $14.2M |
| Scheer, Rowlett & Associates Investment Management Ltd. | 0.95% | Reduce -3.9% | 3,207,480 | $13.2M |
| Aegis Financial Corp. | 1.27% | No change | 1,786,122 | $7.4M |
| LM Asset Management Inc. | 4.40% | Add +20.1% | 1,765,000 | $7.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -23.8% | 1,725,758 | $7.1M |
| CDC Financial, Inc. | 5.54% | Add +2.1% | 1,613,749 | $6.7M |
| Morgan Stanley | 0.00% | Add +42.6% | 1,483,711 | $6.1M |
| Sourcerock Group LLC | 0.23% | New | 1,306,403 | $5.4M |
| Solas Capital Management, LLC | 2.49% | Reduce -2.0% | 1,047,454 | $4.3M |
| Bracebridge Capital, LLC | 0.69% | No change | 924,931 | $3.8M |
| Jane Street Group, LLC | 0.00% | Add +27.6% | 895,566 | $3.7M |
| Quadrature Capital Ltd | 0.04% | Reduce -13.7% | 878,540 | $3.6M |
| JB Capital Partners LP | 0.62% | No change | 872,277 | $3.6M |
| TD Asset Management Inc | 0.00% | Reduce -50.1% | 841,904 | $3.5M |
| Bain Capital Credit, LP | 1.13% | No change | 825,777 | $3.4M |
| TCW Group Inc. | 0.02% | Add +14.2% | 768,178 | $3.2M |
| Millennium Management | 0.00% | Add +28.4% | 766,411 | $3.2M |
| Ewing Morris & Co. Investment Partners Ltd. | 1.32% | Add +15.9% | 710,000 | $2.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -14.8% | 598,919 | $2.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +42.4% | 571,566 | $2.4M |
| HRT Financial LP | 0.00% | New | 467,190 | $1.9M |
| Readystate Asset Management LP | 0.20% | Reduce -27.7% | 463,228 | $1.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.6% | 361,996 | $1.5M |
| UBS Group AG | 0.00% | Reduce -67.5% | 306,957 | $1.3M |
| Bank of Montreal | 0.00% | Add +33.7% | 272,613 | $1.1M |
| D. E. Shaw & Co. | 0.00% | Reduce -48.3% | 270,544 | $1.1M |
| Two Sigma Investments, LP | 0.00% | New | 269,900 | $1.1M |
| Citadel Advisors | 0.00% | Reduce -57.0% | 267,743 | $1.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +62.6% | 252,457 | $1.0M |
| CenterBook Partners LP | 0.05% | Reduce -41.5% | 233,509 | $964K |
| ExodusPoint Capital Management, LP | 0.01% | Add +771.5% | 229,563 | $948K |
| JPMorgan Chase & Co. | 0.00% | New | 230,817 | $914K |
| XTX Topco Ltd | 0.01% | Add +26.9% | 182,347 | $753K |
| SIG North Trading, ULC | 0.14% | Add +68.6% | 171,817 | $710K |
| Barclays PLC | 0.00% | Add +271.0% | 171,556 | $709K |
| Quantbot Technologies LP | 0.03% | Add +23.5% | 157,928 | $652K |
| Simplex Trading, LLC | 0.02% | Add +109.0% | 154,905 | $640K |
| Royal Bank of Canada | 0.00% | Add +0.8% | 146,821 | $607K |
| Quinn Opportunity Partners LLC | 0.03% | No change | 142,336 | $588K |
| Voleon Capital Management LP | 0.01% | Add +226.6% | 130,919 | $541K |
| Renaissance Technologies | 0.00% | New | 117,276 | $484K |
| Summit Financial, LLC | 0.01% | No change | 110,333 | $456K |
| Assenagon Asset Management S.A. | 0.00% | New | 99,107 | $409K |
| Mackenzie Financial Corp. | 0.00% | Add +4.2% | 98,773 | $408K |
| AYAL Capital Advisors Ltd | 0.20% | New | 95,000 | $392K |
| Aristeia Capital, L.L.C. | 0.01% | Reduce -24.0% | 91,423 | $378K |
| Boston Partners | 0.00% | Add +26.9% | 87,067 | $360K |
| Group One Trading LLC | 0.01% | Reduce -17.0% | 85,656 | $354K |
| Point72 Asset Management | 0.00% | New | 73,916 | $307K |
| PDT Partners, LLC | 0.02% | Reduce -10.8% | 70,304 | $290K |
| BNP Paribas Financial Markets | 0.00% | Reduce -42.7% | 65,417 | $270K |
| FNY Investment Advisers, LLC | 0.12% | Reduce -24.1% | 65,288 | $269K |
| Squarepoint Ops LLC | 0.00% | New | 64,174 | $265K |
| Geode Capital Management, LLC | 0.00% | No change | 63,813 | $264K |
| Bank of America Corp. | 0.00% | Reduce -88.1% | 62,393 | $258K |
| LPL Financial LLC | 0.00% | Reduce -3.9% | 59,794 | $247K |
| Invesco Ltd. | 0.00% | Reduce -11.3% | 59,150 | $244K |
| Terril Brothers, Inc. | 0.07% | No change | 58,000 | $240K |
| Gsa Capital Partners LLP | 0.01% | Add +29.4% | 54,983 | $227K |
| HSBC Holdings PLC | 0.00% | Add +40.3% | 54,379 | $222K |
| Aquatic Capital Management LLC | 0.01% | Add +436.5% | 47,257 | $195K |
| Boothbay Fund Management, LLC | 0.00% | New | 45,070 | $186K |
| American Century Companies Inc. | 0.00% | Reduce -40.6% | 41,076 | $169K |
| Phoenix Financial Ltd. | 0.00% | No change | 35,714 | $147K |
| Two Sigma Securities, LLC | 0.02% | Add +244.2% | 35,367 | $146K |
| FIL Ltd | 0.00% | Add +50.5% | 30,961 | $128K |
| Claret Asset Management Corp | 0.01% | No change | 30,375 | $125K |
| NewEdge Advisors, LLC | 0.00% | No change | 28,299 | $117K |
| Verition Fund Management LLC | 0.00% | Reduce -97.8% | 26,803 | $111K |
| Toronto Dominion Bank | 0.00% | Add +160.2% | 26,178 | $108K |
| Cibc World Market Inc. | 0.00% | Reduce -21.2% | 25,551 | $106K |
| Net Worth Advisory Group | 0.02% | Reduce -5.3% | 22,388 | $92K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | No change | 21,773 | $90K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +2.8% | 18,360 | $75K |
| Caption Management, LLC | 0.00% | Add +132.0% | 17,299 | $71K |
| Susquehanna International Group, LLP | 0.00% | Reduce -76.1% | 15,390 | $64K |
| Corient Private Wealth LP | 0.00% | No change | 15,000 | $62K |
| Acadian Asset Management LLC | 0.00% | Reduce -23.7% | 14,800 | $60K |
| Scientech Research LLC | 0.05% | New | 13,748 | $57K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 13,188 | $54K |
| Balyasny Asset Management L.P. | 0.00% | New | 11,517 | $48K |
| EJF Capital LP | 0.03% | No change | 11,000 | $45K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.5% | 10,807 | $45K |
| Element Pointe Advisors, LLC | 0.01% | No change | 10,000 | $41K |
| Aviso Financial Inc. | 0.00% | Reduce -8.0% | 6,033 | $25K |
| TD Waterhouse Canada Inc. | 0.00% | New | 4,700 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +65.0% | 3,855 | $16K |
| Citigroup Inc. | 0.00% | Reduce -54.5% | 3,236 | $13K |
| Assetmark, Inc. | 0.00% | New | 2,500 | $10K |
| Osaic Holdings, Inc. | 0.00% | Add +907.8% | 1,683 | $7K |
| Ulland Investment Advisors, LLC | 0.00% | No change | 1,000 | $4K |
| Arlington Trust Co LLC | 0.00% | No change | 100 | $413 |
| Basepoint Wealth LLC | 0.00% | No change | 51 | $212 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -49.5% | 51 | $211 |
"% of holder's portfolio" is ASTL's weight in each manager's 13F, not the share of Algoma Steel Group Inc. the manager owns.