Algoma Steel (ASTL) Market Capitalization (2021 - 2026)
Algoma Steel's Market Capitalization came in at $424.98 million for the quarter ended Jun 30, 2026, down 41.2% from $722.48 million a year earlier and down 1.9% from the prior quarter.
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Analysis
Algoma Steel (ASTL) Market Capitalization (2021 - 2026) Analysis & Trends
For the year ended Dec 31, 2025, Algoma Steel's Market Capitalization was $430.23 million, down 58.0% from the prior year.
- Market Capitalization carries a four-year compound annual growth rate of -12.1% (years ended Dec 2021 to Dec 2025).
- Going back by year, Market Capitalization was $1.03 billion in the year ended Dec 31, 2024, $836.83 million in the year ended Mar 31, 2023 (-26.1%), $1.13 billion in the year ended Mar 31, 2022 and $719.11 million in the year ended Jun 30, 2021.
- The five-year range for quarterly Market Capitalization is $373.3 million (the quarter ended Sep 30, 2025) to $1.03 billion (the quarter ended Dec 31, 2024).
- Business Quant data shows ASTL's Market Capitalization at $433.38 million (quarter ended Mar 31, 2026), $430.23 million (quarter ended Dec 31, 2025) and $373.3 million (quarter ended Sep 30, 2025) in the three quarters before the quarter ended Jun 30, 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Rio Tinto | 181.90 Bn | 148.03 Bn | - |
| 2 | Southern Copper | 169.19 Bn | 148.06 Bn | 2.90 Bn |
| 3 | Newmont | 121.55 Bn | 89.73 Bn | 4.03 Bn |
| 4 | Ternium | 108.92 Bn | 73.97 Bn | 941.02 Mn |
| 5 | Freeport-Mcmoran | 100.46 Bn | 96.62 Bn | 2.19 Bn |
| 6 | Agnico Eagle Mines | 91.62 Bn | 91.62 Bn | 2.43 Bn |
| 7 | Barrick Mining | 68.12 Bn | 52.86 Bn | 2.90 Bn |
| 8 | Nucor | 53.04 Bn | 43.58 Bn | 2.03 Bn |
| 9 | ArcelorMittal | 50.74 Bn | 31.77 Bn | - |
| 10 | Algoma Steel | 437.57 Mn | 266.94 Mn | -91.52 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| 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 |
| Sep 30, 2024 | 1.06 Bn |
| Jun 30, 2024 | 724.56 Mn |
| Mar 31, 2024 | 883.84 Mn |
| Dec 31, 2023 | 1.04 Bn |
| Sep 30, 2023 | 704.26 Mn |
| Jun 30, 2023 | 735.33 Mn |
| Mar 31, 2023 | 836.83 Mn |
| Dec 31, 2022 | 637.80 Mn |
| Sep 30, 2022 | 647.86 Mn |
| Jun 30, 2022 | 903.39 Mn |
| Mar 31, 2022 | 1.13 Bn |
| Dec 31, 2021 | 775.81 Mn |
| Sep 30, 2021 | 755.00 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();