Algoma Steel Group Inc.
ASTLW- 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; 20 institutions reported holding it in 13F filings for Q2 2026, worth $338.5K in total; no superinvestor holds it.
Other share classesASTL
13F holders, Q1 2026
Institutional positions in Algoma Steel Group Inc. as of Mar 31, 2026. 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
- 20
- −1 vs. Q4 2025
- Shares held
- 10.3M
- −245.5K (−2.3%) vs. Q4 2025
- Total value
- $952.0K
- +$453.3K (+90.9%) vs. Q4 2025
- New holders
- 3
- 2 more added
- Sold out
- 4
- 6 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASTLW 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 | 20 | $338.5K |
| Q1 2026 | 20 | $952.0K |
| Q4 2025 | 21 | $498.7K |
| Q3 2025 | 21 | $1.01M |
| Q2 2025 | 23 | $3.40M |
| Q1 2025 | 23 | $2.49M |
| Q4 2024 | 24 | $10.7M |
| Q3 2024 | 27 | $7.17M |
| Q2 2024 | 27 | $6.35M |
| Q1 2024 | 27 | $10.9M |
| Q4 2023 | 30 | $15.6M |
| Q3 2023 | 27 | $10.3M |
| Q2 2023 | 26 | $10.3M |
| Q1 2023 | 26 | $10.7M |
| Q4 2022 | 33 | $5.93M |
| Q3 2022 | 36 | $4.78M |
| Q2 2022 | 34 | $12.8M |
| Q1 2022 | 29 | $14.3M |
| Q4 2021 | 34 | $11.0M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CDC Financial, Inc. | 4,153,996 | $412.9K | 0.34% | +1,3000.0% | Added |
| LMR Partners LLP | 2,808,732 | $279.2K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 810,424 | $67.8K | 0.00% | −25,312−3.0% | Reduced |
| K2 Principal Fund, L.P. | 690,879 | $62.2K | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 557,746 | $41.6K | 0.00% | 00.0% | Unchanged |
| Aequim Alternative Investments LP | 414,191 | $30.9K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 107,100 | $10.4K | 0.00% | +7,100+7.1% | Added |
| Claret Asset Management Corp | 102,000 | $10.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 98,157 | $9.76K | 0.00% | −4,974−4.8% | Reduced |
| Virtu Financial LLC | 92,007 | $7.00K | 0.00% | −93,241−50.3% | Reduced |
| StoneX Group Inc. | 69,309 | $6.89K | 0.00% | +69,309 | New |
| Royal Bank of Canada | 48,943 | $5.00K | 0.00% | −10,460−17.6% | Reduced |
| Caption Management, LLC | 44,550 | $4.43K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 21,994 | $1.64K | 0.00% | +21,994 | New |
| LPL Financial LLC | 12,100 | $1.20K | 0.00% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 10,200 | $1.01K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,079 | $107 | 0.00% | −141−11.6% | Reduced |
| Clear Street Group Inc. | 100 | $10 | 0.00% | +100 | New |
| National Bank of Canada | 26,382 | – | – | −48,636−64.8% | Reduced |
| Boothbay Fund Management, LLC | 185,000 | – | – | 00.0% | Unchanged |
| KLCM Advisors, Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −22,497−100.0% | Sold out |
| Brave Asset Management Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |