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Steel Dynamics (STLD) investor relations material
Steel Dynamics Q3 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Executive summary
Achieved record steel shipments of 3.6 million tons and revenue of $4.8 billion in Q3 2025, with adjusted EBITDA of $664 million and operating income of $508 million, both higher sequentially from Q2 2025.
Net income was $404 million, up 35% sequentially and 27% year-over-year; adjusted EBITDA margin was approximately 13.8%.
Sinton mill and aluminum operations achieved operational milestones, with early product certifications and first shipments; biocarbon team shipped first product, supporting decarbonization.
Announced acquisition of the remaining 55% of New Process Steel, expanding operational capabilities.
For the first nine months of 2025, operating income was $1.2 billion and net income $920 million, both down over 30% year-to-date due to margin compression.
Financial highlights
Q3 2025 net sales were $4.83 billion, up 11% year-over-year; net income attributable to shareholders was $403.7 million ($2.74 diluted EPS), up from $317.8 million ($2.05 diluted EPS) in Q3 2024.
Adjusted EBITDA was $664 million (14% margin), up 25% sequentially and 19% year-over-year; operating income was $508 million, up 33% sequentially.
Cash flow from operations reached $723 million; free cash flow for Q3 was $498 million.
Share repurchases totaled $210 million (1.1% of shares) in Q3; $661 million (3.4%) YTD; $1 billion remains authorized.
Q3 average steel selling price was $1,119/ton, down $15 sequentially; average ferrous scrap cost was $381/ton, down $27.
Outlook and guidance
Aluminum operations expected to reach EBITDA break-even or better in Q4 2025, ramping to 75% utilization by end of 2026; annual EBITDA potential of $650–700 million once fully ramped.
Q4 2025 capital investments projected at $200 million; 2026 CapEx estimated at $500–$600 million.
Planned maintenance outages in Q4 could reduce steel volume by up to 85,000 tons; seasonality expected to impact volumes.
Steel and aluminum demand expected to improve into 2026, supported by infrastructure spending, trade policy, and decarbonization trends.
Biocarbon facility planned to reduce Scope 1 GHG emissions by up to 35%.
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