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.
Key figures
- Market capClose on Nov 12, 2026
- $588.7M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −3 vs. previous quarter
- 95
- 13F valueReported value at the end of Q2 2026
- $291.8M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in CAD.
- Revenue, FY2026
- CAD 2.09B
- No comparable prior period
- Net income, FY2026
- CAD -984.9M
- No comparable prior period
- Free cash flow, FY2026
- CAD -394.6M
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.62M
- Shares sold short
- Change
- +165.3K
- +3.7% vs. previous
- Days to cover
- 3.25
- At average daily volume
Superinvestors holding ASTL, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding ASTL at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Algoma Steel Group Inc. insiders from Form 4, newest first.
No open-market purchases or sales by Algoma Steel Group Inc. insiders are on file.
Top 10 13F holders, Q2 2026
See all 95 holdersThe largest institutional positions in Algoma Steel Group Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | 16,861,818 | $68.3M | 1.34% | +931,000+5.8% | Added |
| MMCAP International Inc. SPC | 10,954,738 | $44.4M | 3.76% | −1,890,884−14.7% | Reduced |
| Donald Smith & Co., Inc. | 5,277,631 | $21.4M | 0.38% | −751,298−12.5% | Reduced |
| BlackRock, Inc. | 4,143,265 | $16.8M | 0.00% | +27,812+0.7% | Added |
| Scheer, Rowlett & Associates Investment Management Ltd. | 3,846,390 | $15.7M | 1.13% | +638,910+19.9% | Added |
| Morgan Stanley | 2,958,350 | $12.0M | 0.00% | +1,474,639+99.4% | Added |
| Aegis Financial Corp | 1,786,122 | $7.23M | 1.14% | 00.0% | Unchanged |
| CDC Financial, Inc. | 1,745,647 | $7.07M | 5.43% | +131,898+8.2% | Added |
| Brightline Capital Management, LLC | 1,660,000 | $6.72M | 1.46% | +1,660,000 | New |
| Littlejohn & Co LLC | 1,518,714 | $6.15M | 7.83% | −1,927,789−55.9% | Reduced |
Holders of 5% or more of ASTL
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Algoma Steel Group Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | 13G/A | 15.10%15.9M shares | +1.80 ppfrom 13.30% | Feb 14, 20238 filings | May 15, 2026 | SEC |
| MMCAP International Inc. SPC | 13G/A | 10.40%11.0M shares | −1.80 ppfrom 12.20% | Feb 20, 20249 filings | Aug 14, 2026 | SEC |
| Stoney Lonesome HF LP | 13G/A | 5.40%5.86M shares | +0.20 ppfrom 5.20% | Apr 10, 20252 filings | Aug 14, 2025 | SEC |
| Donald Smith & Co., Inc. | 13G | 5.00%5.28M shares | −0.80 ppfrom 5.80% | Feb 9, 202310 filings | Aug 11, 2026 | SEC |