ATI ATI Market capitalization
Market capitalization at other companies
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Where this comes from
Computed from the period-end share price: $19.85B.
The official record: ATI’s 10-Q, filed April 30, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is ATI's market capitalization?
- ATI (ATI) reported market capitalization of $19.85B in Q1 2026.
- How has ATI's market capitalization changed year-over-year?
- ATI's market capitalization increased by 170.5% year-over-year, from $7.34B to $19.85B.
- What is the long-term trend for ATI's market capitalization?
- Over 4 years (2021 to 2025), ATI's market capitalization has grown at a 48.4% compound annual growth rate (CAGR), from $9.48B to $46.01B.
- What does market capitalization mean?
- What the stock market says the company's equity is worth.
- How do you interpret market capitalization?
- A size and market-sentiment gauge, not a quality measure — interpret through valuation ratios (P/E, P/S) that relate it to fundamentals.
- How does market capitalization compare across companies?
- Comparable across companies as a size class; the input to every equity-price valuation multiple.