Algoma Steel Group Inc.
ASTL- Exchange
- Nasdaq
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001860805
No open-market purchases or sales by Algoma Steel Group Inc. insiders were filed in the last 90 days; 95 institutions reported holding it in 13F filings for Q2 2026, worth $291.8M in total; no superinvestor holds it.
Other share classesASTLW
13F holders, Q4 2025
Institutional positions in Algoma Steel Group Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 109
- −6 vs. Q3 2025
- Shares held
- 83.1M
- +6.40M (+8.3%) vs. Q3 2025
- Total value
- $346.2M
- +$73.1M (+26.8%) vs. Q3 2025
- New holders
- 24
- 39 more added
- Sold out
- 30
- 26 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 95 | $291.8M |
| Q1 2026 | 98 | $297.1M |
| Q4 2025 | 109 | $346.2M |
| Q3 2025 | 118 | $274.8M |
| Q2 2025 | 127 | $552.9M |
| Q1 2025 | 130 | $426.1M |
| Q4 2024 | 135 | $798.6M |
| Q3 2024 | 133 | $795.8M |
| Q2 2024 | 118 | $507.8M |
| Q1 2024 | 108 | $605.3M |
| Q4 2023 | 120 | $716.4M |
| Q3 2023 | 111 | $463.5M |
| Q2 2023 | 117 | $476.1M |
| Q1 2023 | 115 | $534.2M |
| Q4 2022 | 119 | $467.0M |
| Q3 2022 | 114 | $427.9M |
| Q2 2022 | 119 | $950.9M |
| Q1 2022 | 88 | $1.05B |
| Q4 2021 | 68 | $644.8M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Larson Financial Group LLC | 11 | $45 | 0.00% | +11 | New |
| Basepoint Wealth LLC | 51 | $210 | 0.00% | +51 | New |
| Arlington Trust Co LLC | 100 | $410 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 101 | $414 | 0.00% | +49+94.2% | Added |
| Caitong International Asset Management Co., Ltd | 166 | $681 | 0.00% | −5,529−97.1% | Reduced |
| Advisor Group Holdings, Inc. | 167 | $684 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 243 | $996 | 0.00% | +243 | New |
| Ulland Investment Advisors, LLC | 1,000 | $4.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,337 | $9.58K | 0.00% | +1,610+221.5% | Added |
| Quarry LP | 2,426 | $9.95K | 0.00% | +2,426 | New |
| Aviso Financial Inc. | 6,559 | $27.0K | 0.00% | −90−1.4% | Reduced |
| Citigroup Inc | 7,120 | $29.3K | 0.00% | +3,722+109.5% | Added |
| Caption Management, LLC | 7,456 | $30.6K | 0.00% | +7,456 | New |
| Aquatic Capital Management LLC | 8,809 | $36.1K | 0.00% | +8,809 | New |
| Element Pointe Advisors, LLC | 10,000 | $41.0K | 0.01% | +10,000 | New |
| Toronto Dominion Bank | 10,060 | $41.2K | 0.00% | +60+0.6% | Added |
| Two Sigma Securities, LLC | 10,274 | $42.1K | 0.01% | +10,274 | New |
| JustInvest LLC | 10,798 | $44.3K | 0.00% | +10,798 | New |
| EJF Capital LLC | 11,000 | $45.1K | 0.03% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,079 | $45.4K | 0.00% | +224+2.1% | Added |
| Jump Financial, LLC | 14,201 | $58.2K | 0.00% | −343,525−96.0% | Reduced |
| CI Private Wealth, LLC | 15,000 | $61.5K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 16,374 | $67.1K | 0.00% | +16,374 | New |
| National Bank of Canada | 17,575 | $71.6K | 0.00% | +6,939+65.2% | Added |
| Federation des caisses Desjardins du Quebec | 17,860 | $73.2K | 0.00% | +9,000+101.6% | Added |
| Acadian Asset Management LLC | 19,400 | $79.0K | 0.00% | −43,300−69.1% | Reduced |
| FIL Ltd | 20,570 | $84.7K | 0.00% | +20,570 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 21,773 | $89.3K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 21,822 | $89.9K | 0.00% | +21,822 | New |
| Net Worth Advisory Group | 23,643 | $96.9K | 0.02% | −754−3.1% | Reduced |
| Clear Harbor Asset Management, LLC | 26,000 | $106.6K | 0.01% | +26,000 | New |
| ExodusPoint Capital Management, LP | 26,340 | $108.0K | 0.00% | −69,923−72.6% | Reduced |
| GWM Advisors LLC | 28,299 | $116.0K | 0.00% | 00.0% | Unchanged |
| Claret Asset Management Corp | 30,375 | $125.0K | 0.01% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 32,425 | $132.9K | 0.00% | −33,890−51.1% | Reduced |
| PharVision Advisers, LLC | 32,839 | $134.6K | 0.07% | +32,839 | New |
| Legal & General Group Plc | 33,330 | $137.4K | 0.00% | −55,253−62.4% | Reduced |
| Phoenix Holdings Ltd. | 35,714 | $146.4K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 38,754 | $158.9K | 0.00% | +27,477+243.7% | Added |
| Voleon Capital Management LP | 40,086 | $164.4K | 0.00% | +40,086 | New |
| Gsa Capital Partners LLP | 42,489 | $174.0K | 0.01% | +42,489 | New |
| DekaBank Deutsche Girozentrale | 21,188 | $180.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 46,246 | $189.6K | 0.00% | +45,877+12,432.8% | Added |
| PenderFund Capital Management Ltd. | 50,000 | $205.8K | 0.03% | +50,000 | New |
| Wealth Enhancement Advisory Services, LLC | 55,000 | $228.3K | 0.00% | 00.0% | Unchanged |
| Terril Brothers, Inc. | 58,000 | $237.8K | 0.06% | +16,500+39.8% | Added |
| LPL Financial LLC | 62,194 | $255.0K | 0.00% | +3,300+5.6% | Added |
| Geode Capital Management, LLC | 63,813 | $261.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 64,380 | $264.0K | 0.00% | −82,816−56.3% | Reduced |
| Invesco Ltd. | 66,713 | $273.5K | 0.00% | +14,415+27.6% | Added |
| Boston Partners | 68,598 | $281.3K | 0.00% | +15,175+28.4% | Added |
| American Century Companies Inc | 69,172 | $284.7K | 0.00% | +30,547+79.1% | Added |
| Wolverine Asset Management LLC | 72,143 | $295.8K | 0.00% | +17,360+31.7% | Added |
| Two Sigma Advisers, LP | 73,600 | $301.8K | 0.00% | +73,600 | New |
| Simplex Trading, LLC | 74,128 | $303.9K | 0.01% | +74,128 | New |
| Lighthouse Investment Partners, LLC | 75,708 | $310.4K | 0.01% | +53,619+242.7% | Added |
| PDT Partners, LLC | 78,804 | $323.1K | 0.02% | +18,814+31.4% | Added |
| Nomura Holdings Inc | 84,567 | $346.7K | 0.00% | +38,567+83.8% | Added |
| Senvest Management, LLC | 85,789 | $351.7K | 0.01% | −189,300−68.8% | Reduced |
| FNY Investment Advisers, LLC | 85,993 | $352.0K | 0.10% | +81,463+1,798.3% | Added |
| Mackenzie Financial Corp | 94,776 | $384.0K | 0.00% | +40,413+74.3% | Added |
| SIG North Trading, ULC | 101,917 | $417.9K | 0.07% | −40,000−28.2% | Reduced |
| Group One Trading, L.P. | 103,187 | $423.1K | 0.01% | +73,564+248.3% | Added |
| Summit Financial, LLC | 110,333 | $452.4K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 114,101 | $467.8K | 0.00% | +100+0.1% | Added |
| Aristeia Capital LLC | 120,260 | $493.1K | 0.01% | +120,260 | New |
| Quantbot Technologies LP | 127,847 | $524.2K | 0.02% | −60,750−32.2% | Reduced |
| Quinn Opportunity Partners LLC | 142,336 | $583.6K | 0.03% | 00.0% | Unchanged |
| XTX Topco Ltd | 143,704 | $589.2K | 0.02% | +19,627+15.8% | Added |
| Royal Bank of Canada | 145,596 | $597.0K | 0.00% | −387,426−72.7% | Reduced |
| Goldman Sachs Group Inc | 155,250 | $636.5K | 0.00% | −60,196−27.9% | Reduced |
| Bank of Montreal | 203,916 | $839.4K | 0.00% | +13,799+7.3% | Added |
| Prescott Group Capital Management, L.L.C. | 231,219 | $948.0K | 0.09% | +231,219 | New |
| Orion Resource Partners LP | 381,728 | $1.57M | 0.77% | +242,322+173.8% | Added |
| Dimensional Fund Advisors LP | 383,587 | $1.57M | 0.00% | −116,487−23.3% | Reduced |
| CenterBook Partners LP | 398,845 | $1.64M | 0.08% | +164,528+70.2% | Added |
| Russell Investments Group, Ltd. | 401,490 | $1.65M | 0.00% | +20,892+5.5% | Added |
| Bank of America Corp | 522,357 | $2.14M | 0.00% | +250,352+92.0% | Added |
| D. E. Shaw & Co., Inc. | 523,258 | $2.15M | 0.00% | −55,202−9.5% | Reduced |
| Walleye Capital LLC | 537,234 | $2.20M | 0.01% | +258,279+92.6% | Added |
| Millennium Management LLC | 596,960 | $2.45M | 0.00% | −107,420−15.3% | Reduced |
| Citadel Advisors LLC | 622,404 | $2.55M | 0.00% | +38,044+6.5% | Added |
| Ewing Morris & Co. Investment Partners Ltd. | 612,500 | $2.56M | 1.11% | +122,500+25.0% | Added |
| Readystate Asset Management LP | 640,324 | $2.63M | 0.12% | 00.0% | Unchanged |
| TCW Group Inc | 672,678 | $2.76M | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 701,942 | $2.88M | 0.00% | −125,308−15.1% | Reduced |
| Charles Schwab Investment Management Inc | 702,734 | $2.90M | 0.00% | +192,581+37.7% | Added |
| Bain Capital Credit, LP | 825,777 | $3.39M | 0.89% | −11,435−1.4% | Reduced |
| JB Capital Partners LP | 872,277 | $3.58M | 0.62% | −119,900−12.1% | Reduced |
| Bracebridge Capital, LLC | 924,931 | $3.79M | 1.38% | 00.0% | Unchanged |
| UBS Group AG | 944,764 | $3.87M | 0.00% | +371,288+64.7% | Added |
| Quadrature Capital Ltd | 1,018,100 | $4.20M | 0.04% | −511,000−33.4% | Reduced |
| Morgan Stanley | 1,040,539 | $4.27M | 0.00% | −251,564−19.5% | Reduced |
| Solas Capital Management, LLC | 1,069,351 | $4.38M | 2.49% | −21,897−2.0% | Reduced |
| Verition Fund Management LLC | 1,248,802 | $5.12M | 0.03% | +1,248,802 | New |
| LM Asset (IM) Inc. | 1,470,000 | $6.03M | 4.82% | +320,000+27.8% | Added |
| CDC Financial, Inc. | 1,580,749 | $6.48M | 5.99% | +1,580,749 | New |
| TD Asset Management Inc | 1,687,420 | $6.96M | 0.01% | +1,571,184+1,351.7% | Added |
| Aegis Financial Corp | 1,786,122 | $7.32M | 1.75% | 00.0% | Unchanged |
| FMR LLC | 2,208,646 | $9.06M | 0.00% | −6,000−0.3% | Reduced |