Algoma Steel (ASTL) Market Capitalization (2021 - 2026)
Algoma Steel's Market Capitalization came in at $437.57 million for fiscal Q3 2026 (quarter ended Sep 30, 2026), up 17.2% from $373.3 million a year earlier and up 3.0% from the prior quarter.
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Analysis
Algoma Steel (ASTL) Market Capitalization (2021 - 2026) Analysis & Trends
For FY2025 (ended Dec 31, 2025), Algoma Steel's Market Capitalization was $430.23 million, down 58.0% from FY2024.
- Market Capitalization carries a four-year compound annual growth rate of -12.1% (FY2021 to FY2025).
- Going back by fiscal year, Market Capitalization was $1.03 billion in FY2024, $836.83 million in FY2023 (-49.7%), $1.66 billion in FY2022 and $719.44 million in FY2021.
- The fiscal Q3 2026 figure represents the highest quarterly Market Capitalization since fiscal Q2 2025.
- Year-over-year, Market Capitalization increased in 1 of the last four quarters, with an average decline of 26.4%.
- Business Quant data shows ASTL's Market Capitalization at $424.98 million (Q2 2026), $433.38 million (Q1 2026) and $430.23 million (Q4 2025) in the three fiscal quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Rio Tinto | 166.15 Bn | 128.95 Bn | - |
| 2 | Southern Copper | 145.61 Bn | 120.34 Bn | 3.10 Bn |
| 3 | Rio Tinto | 138.54 Bn | 138.54 Bn | - |
| 4 | Newmont | 127.15 Bn | 92.29 Bn | 4.22 Bn |
| 5 | Ternium | 100.63 Bn | 93.91 Bn | - |
| 6 | Agnico Eagle Mines | 97.48 Bn | 92.69 Bn | - |
| 7 | Freeport-Mcmoran | 88.12 Bn | 72.16 Bn | 2.19 Bn |
| 8 | Barrick Mining | 69.35 Bn | 47.84 Bn | 2.90 Bn |
| 9 | Nucor | 59.10 Bn | 48.48 Bn | 2.03 Bn |
| 10 | Algoma Steel | 630.46 Mn | 132.59 Mn | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 437.57 Mn |
| Jun 30, 2026 | 424.98 Mn |
| Mar 31, 2026 | 433.38 Mn |
| Dec 31, 2025 | 430.23 Mn |
| Sep 30, 2025 | 373.30 Mn |
| Jun 30, 2025 | 722.48 Mn |
| Mar 31, 2025 | 568.33 Mn |
| Dec 31, 2024 | 1.03 Bn |
| Mar 31, 2024 | 883.84 Mn |
| Sep 30, 2023 | 704.26 Mn |
| Jun 30, 2023 | 735.33 Mn |
| Mar 31, 2023 | 836.83 Mn |
| Sep 30, 2022 | 952.85 Mn |
| Jun 30, 2022 | 1.33 Bn |
| Mar 31, 2022 | 1.66 Bn |
| Dec 31, 2021 | 776.16 Mn |
| Sep 30, 2021 | 755.34 Mn |
| Jun 30, 2021 | 719.44 Mn |
| Mar 31, 2021 | 694.71 Mn |
API Access
Algoma Steel Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=ASTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "ASTL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=ASTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();