Algoma Steel GroupASTL
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 130 institutions reported holding Algoma Steel Group Inc. (ASTL) in their 13F filings, down 5 from Q4 2024. 20 opened new positions and 23 sold out. The largest holders were Donald Smith & Co., Inc. ($43.8M), Maple Rock Capital Partners Inc. ($38.5M) and MMCAP International Inc. SPC ($36.0M). 6 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Mario Gabelli (0.0% of GAMCO Investors's portfolio).
- Company
- Algoma Steel Group Inc.
- CUSIP
- 015658107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $9.5M |
| Exits | 23 | $41.1M |
All 13F filers, Q4 2024 → Q1 2025: 9,233,099 shares bought and 13,375,893 shares sold, net −4,142,794 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 130 holders
| Donald Smith & Co., Inc. | 1.07% | Add +0.3% | 8,088,120 | $43.8M |
| Maple Rock Capital Partners Inc. | 2.81% | Add +16.5% | 7,100,000 | $38.5M |
| MMCAP International Inc. SPC | 6.21% | Add +0.3% | 6,641,417 | $36.0M |
| BlackRock, Inc. | 0.00% | Add +3.8% | 5,795,561 | $31.4M |
| Nuveen, LLC | 0.01% | — | 304,734 | $28.2M |
| Invesco Senior Secured Management Inc. | 29.82% | No change | 3,233,117 | $25.3M |
| FMR LLC | 0.00% | Add +9.1% | 4,595,646 | $24.9M |
| Contrarian Capital Management, L.L.C. | 4.97% | No change | 3,572,018 | $19.4M |
| Scheer, Rowlett & Associates Investment Management Ltd. | 1.17% | Add +33.5% | 2,908,572 | $15.8M |
| Goldentree Asset Management LP | 1.10% | No change | 2,493,548 | $13.5M |
| Littlejohn & Co. LLC | 6.22% | Add +48.8% | 2,202,695 | $11.9M |
| J. Goldman & Co LP | 0.36% | Add +52.0% | 1,864,177 | $10.1M |
| Towle & Co. | 2.13% | Reduce -2.6% | 1,801,665 | $9.8M |
| Intact Investment Management Inc. | 0.27% | Add +24.6% | 1,463,761 | $7.9M |
| Solas Capital Management, LLC | 4.45% | Add +37.7% | 1,460,646 | $7.9M |
| Aegis Financial Corp. | 6.75% | No change | 1,459,903 | $7.9M |
| TCW Group Inc. | 0.07% | Reduce -11.4% | 1,408,221 | $7.6M |
| AYAL Capital Advisors Ltd | 4.47% | Add +30.9% | 1,242,680 | $6.7M |
| Woodline Partners LP | 0.04% | Reduce -56.4% | 1,240,894 | $6.7M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -16.0% | 1,106,685 | $6.0M |
| JB Capital Partners LP | 1.13% | No change | 992,177 | $5.4M |
| Bracebridge Capital, LLC | 3.47% | No change | 924,931 | $5.0M |
| LM Asset Management Inc. | 5.07% | New | 910,000 | $4.9M |
| Bain Capital Credit, LP | 1.11% | No change | 837,212 | $4.5M |
| General American Investors Co. Inc. | 0.33% | No change | 816,056 | $4.4M |
| Millennium Management | 0.00% | Reduce -79.5% | 808,893 | $4.4M |
| Thomist Capital Management, LP | 1.77% | Reduce -78.9% | 737,877 | $4.2M |
| NewGen Asset Management Ltd | 3.86% | Add +26.5% | 732,500 | $4.0M |
| Morgan Stanley | 0.00% | Add +26.7% | 656,729 | $3.6M |
| Bank of America Corp. | 0.00% | Add +381.3% | 603,652 | $3.3M |
| Heartland Advisors Inc. | 0.16% | Add +150.0% | 500,000 | $2.7M |
| Walleye Capital LLC | 0.03% | Add +112.0% | 476,516 | $2.6M |
| Dimensional Fund Advisors LP | 0.00% | Add +8.0% | 475,767 | $2.6M |
| Cubist Systematic Strategies, LLC | 0.03% | Add +1321815.1% | 436,232 | $2.4M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -2.0% | 422,223 | $2.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.9% | 415,143 | $2.3M |
| Bank of Montreal | 0.00% | Add +7.2% | 353,064 | $1.9M |
| JPMorgan Chase & Co. | 0.00% | Add +91.4% | 351,371 | $1.9M |
| Ewing Morris & Co. Investment Partners Ltd. | 0.52% | Add +31.3% | 210,000 | $1.7M |
| Senvest Management, LLC | 0.06% | New | 275,089 | $1.5M |
| AMH Equity Ltd | 2.26% | Reduce -48.6% | 270,003 | $1.5M |
| CenterBook Partners LP | 0.09% | Reduce -35.1% | 262,166 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +10.7% | 245,528 | $1.3M |
| Renaissance Technologies | 0.00% | Add +154.7% | 227,605 | $1.2M |
| Wolf Hill Capital Management, LP | 0.10% | Reduce -57.1% | 213,712 | $1.2M |
| Quinn Opportunity Partners LLC | 0.07% | Add +792.5% | 196,342 | $1.1M |
| Swiss National Bank | 0.00% | Reduce -1.1% | 183,107 | $994K |
| TD Asset Management Inc | 0.00% | Add +3.3% | 167,884 | $911K |
| Cibc World Market Inc. | 0.00% | Reduce -10.0% | 152,835 | $828K |
| American Century Companies Inc. | 0.00% | Reduce -17.0% | 143,137 | $777K |
| Mutual Advisors, LLC | 0.02% | No change | 146,802 | $753K |
| Squarepoint Ops LLC | 0.00% | Add +991.1% | 127,543 | $691K |
| CIBC Asset Management Inc | 0.00% | Add +1.2% | 120,021 | $652K |
| Prescott Group Capital Management, L.L.C. | 0.09% | New | 120,000 | $650K |
| Geode Capital Management, LLC | 0.00% | Reduce -25.1% | 114,459 | $623K |
| Point72 Asset Management | 0.00% | Add +396.8% | 107,700 | $584K |
| Wolverine Trading, LLC | 0.02% | Add +129.9% | 99,460 | $568K |
| UBS Group AG | 0.00% | Reduce -23.6% | 99,413 | $539K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 94,846 | $514K |
| Robotti Robert | 0.10% | Reduce -40.0% | 90,000 | $488K |
| HITE Hedge Asset Management LLC | 0.03% | Reduce -7.3% | 85,843 | $465K |
| Legal & General Group Plc | 0.00% | Reduce -1.4% | 79,620 | $432K |
| Van Eck Associates Corp. | 0.00% | Reduce -24.8% | 77,909 | $422K |
| Vanguard Group Inc. | 0.00% | No change | 76,477 | $415K |
| Citadel Advisors | 0.00% | Reduce -16.9% | 75,414 | $409K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | No change | 73,661 | $399K |
| OnyxPoint Global Management LP | 0.23% | Add +0.2% | 72,289 | $392K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -12.5% | 71,793 | $392K |
| Marex Group Ltd | 0.01% | No change | 72,167 | $391K |
| Boston Partners | 0.00% | Reduce -1.5% | 69,258 | $375K |
| Susquehanna International Group, LLP | 0.00% | Reduce -48.3% | 67,492 | $366K |
| Weiss Asset Management LP | 0.01% | No change | 65,000 | $352K |
| Man Group plc | 0.00% | New | 64,995 | $352K |
| Public Employees Retirement System of Ohio | 0.00% | Add +22.9% | 58,028 | $315K |
| Centiva Capital, LP | 0.02% | New | 57,287 | $310K |
| Occudo Quantitative Strategies LP | 0.04% | New | 54,269 | $310K |
| BNP Paribas Financial Markets | 0.00% | Add +40.8% | 56,297 | $305K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +1.8% | 56,000 | $304K |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | 0.00% | Add +24.9% | 53,789 | $292K |
| Quantbot Technologies LP | 0.01% | Add +190.0% | 53,574 | $290K |
| PCJ Investment Counsel Ltd. | 0.11% | Reduce -65.3% | 50,080 | $272K |
| Invesco Ltd. | 0.00% | Reduce -1.9% | 49,683 | $269K |
| GMO | 0.00% | No change | 48,684 | $264K |
| LPL Financial LLC | 0.00% | Add +53.8% | 48,021 | $260K |
| Trexquant Investment LP | 0.00% | New | 43,076 | $233K |
| National Bank of Canada | 0.00% | Reduce -3.4% | 40,717 | $221K |
| Phoenix Financial Ltd. | 0.00% | No change | 35,714 | $195K |
| Terril Brothers, Inc. | 0.07% | Add +62.1% | 35,500 | $192K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 21,188 | $183K |
| XTX Topco Ltd | 0.01% | New | 33,357 | $181K |
| GAMCO Investors | 0.00% | Reduce -6.1% | 30,675 | $166K |
| Claret Asset Management Corp | 0.03% | New | 30,375 | $165K |
| Balyasny Asset Management L.P. | 0.00% | Add +61.5% | 29,063 | $158K |
| NewEdge Advisors, LLC | 0.00% | No change | 24,526 | $133K |
| Royal Bank of Canada | 0.00% | Reduce -72.0% | 23,922 | $130K |
| Barclays PLC | 0.00% | Reduce -0.6% | 23,637 | $128K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | No change | 21,773 | $118K |
| PEAK6 LLC | 0.00% | New | 20,111 | $109K |
| Campbell & CO Investment Adviser LLC | 0.01% | Reduce -55.0% | 20,089 | $109K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 19,329 | $105K |
"% of holder's portfolio" is ASTL's weight in each manager's 13F, not the share of Algoma Steel Group Inc. the manager owns.