# Algoma Steel Group Inc.: overview ASTL · Nasdaq · CIK 1860805 · [Materials](/sectors/materials.md) · fiscal year ends Mar 31 Pages: [Overview](/companies/astl.md) · [Financials](/companies/astl/financials.md) · [Filings](/companies/astl/filings.md) · [Insiders](/companies/astl/insiders.md) Revenue is not reported in this company’s XBRL financial statements. ## Last eight quarters Not reported. ## Last five fiscal years | Line item | Unit | FY (2021-03-31) | FY2022 (2022-03-31) | FY2023 (2023-03-31) | FY2024 (2024-03-31) | FY2025 (2025-12-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $m | [1,795](/filings/0001193125-22-176453.md) | [3,806](/filings/0001193125-23-171446.md) | [2,779](/filings/0001193125-24-164729.md) | [2,796](/filings/0001193125-25-053106.md) | [2,086](/filings/0001193125-26-102628.md) | | Gross margin | % | not reported | not reported | not reported | not reported | not reported | | Operating margin | % | [4.7%](/filings/0001193125-22-176453.md) | [37.1%](/filings/0001193125-23-171446.md) | [10.5%](/filings/0001193125-24-164729.md) | [6.0%](/filings/0001193125-25-053106.md) | [(63.6%)](/filings/0001193125-26-102628.md) | | Net margin | % | not reported | not reported | not reported | not reported | [(47.2%)](/filings/0001193125-26-102628.md) | | Diluted EPS | $ per share | [(1.06)](/filings/0001193125-22-176453.md) | [7.75](/filings/0001193125-23-171446.md) | [1.71](/filings/0001193125-24-164729.md) | [0.70](/filings/0001193125-25-053106.md) | [(9.06)](/filings/0001193125-26-102628.md) | | Free cash flow | $m | [(73.4)](/filings/0001193125-22-176453.md) | [1,091](/filings/0001193125-23-171446.md) | [(194)](/filings/0001193125-24-164729.md) | [(199)](/filings/0001193125-25-053106.md) | not reported | - Revenue. XBRL Revenue: ifrs-full:Revenue. - Gross margin (gross profit / revenue). XBRL Revenue: ifrs-full:Revenue. - Operating margin (operating income / revenue). XBRL Operating income: ifrs-full:ProfitLossFromOperatingActivities; Revenue: ifrs-full:Revenue. - Net margin (net income / revenue). XBRL Revenue: ifrs-full:Revenue; Net income: ifrs-full:ProfitLoss. - Diluted EPS. XBRL Diluted EPS: ifrs-full:DilutedEarningsLossPerShare. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: ifrs-full:CashFlowsFromUsedInOperatingActivities; Capital expenditure: ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/astl/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [Maple Rock Capital Partners Inc.](/funds/1658363.md) | 2026-06-30 | $68.3m | 16,861,818 | | Added +931,000 | | [MMCAP International Inc. SPC](/funds/1304857.md) | 2026-06-30 | $44.4m | 10,954,738 | | Reduced −1,890,884 | | [DONALD SMITH & CO., INC.](/funds/814375.md) | 2026-06-30 | $21.4m | 5,277,631 | | Reduced −751,298 | | [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $16.8m | 4,143,265 | | Added +27,812 | | [Scheer, Rowlett & Associates Investment Management Ltd.](/funds/1426327.md) | 2026-06-30 | $15.7m | 3,846,390 | | Added +638,910 | | [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $12.0m | 2,958,350 | | Added +1,474,639 | | [AEGIS FINANCIAL CORP](/funds/1140753.md) | 2026-06-30 | $7.2m | 1,786,122 | | Unchanged | | [CDC Financial, Inc.](/funds/2077836.md) | 2026-06-30 | $7.1m | 1,745,647 | | Added +131,898 | | [BRIGHTLINE CAPITAL MANAGEMENT, LLC](/funds/1432450.md) | 2026-06-30 | $6.7m | 1,660,000 | | New +1,660,000 | | [LITTLEJOHN & CO LLC](/funds/1042537.md) | 2026-06-30 | $6.2m | 1,518,714 | | Reduced −1,927,789 | ## Recent filings [All 308 filings](/companies/astl/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-10-16 | 18:50 ET | [6-K](/filings/0001193125-26-423116.md) | Report of a foreign private issuer, period 2026-10-15 | 0001193125-26-423116 | | 2026-10-02 | 19:36 ET | [6-K](/filings/0001193125-26-411012.md) | Report of a foreign private issuer, period 2026-10-01 | 0001193125-26-411012 | | 2026-09-02 | 08:47 ET | [6-K](/filings/0001193125-26-379439.md) | Report of a foreign private issuer, period 2026-09-02 | 0001193125-26-379439 | | 2026-08-18 | 21:12 ET | [6-K](/filings/0001193125-26-354524.md) | Report of a foreign private issuer, period 2026-08-17 | 0001193125-26-354524 | | 2026-07-30 | 20:10 ET | [6-K](/filings/0001104659-26-088340.md) | Report of a foreign private issuer, period 2026-06-30 | 0001104659-26-088340 | | 2026-07-17 | 19:05 ET | [6-K](/filings/0001193125-26-306406.md) | Report of a foreign private issuer, period 2026-07-16 | 0001193125-26-306406 | | 2026-07-01 | 19:10 ET | [6-K](/filings/0001193125-26-291071.md) | Report of a foreign private issuer, period 2026-06-30 | 0001193125-26-291071 | | 2026-06-24 | 18:09 ET | [6-K](/filings/0001193125-26-279870.md) | Report of a foreign private issuer, period 2026-06-23 | 0001193125-26-279870 | | 2026-06-05 | 18:42 ET | [6-K](/filings/0001193125-26-257917.md) | Report of a foreign private issuer, period 2026-06-04 | 0001193125-26-257917 | | 2026-05-22 | 09:01 ET | [6-K](/filings/0001193125-26-235580.md) | Report of a foreign private issuer, period 2026-05-22 | 0001193125-26-235580 | ## Latest annual report [Form 40-F for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-102628.md), filed Mar 12, 2026. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 1860805 - Tickers: ASTL, ASTLW - Exchange: Nasdaq - SIC code: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) - State of incorporation: A1 - Filer category: Non-accelerated filer Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 06:03 ET. No prices; not investment advice.