ATI Inc. (ATI) Stock

ATI Inc. (ATI) is a Materials stock trading at $209.17 (as of 2026-08-20), with a market capitalization of $28.48B and a trailing P/E of 59.9. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

ATI Inc. manufactures and sells specialty materials and components through two segments: High Performance Materials & Components and Advanced Alloys & Solutions. Its products include titanium-, nickel-, cobalt-, zirconium- and related alloy materials and precision components, serving aerospace and defense, medical, energy, automotive, and electronics markets worldwide.

Understand ATI Inc.: how it makes money

ATI Inc. manufactures and sells specialty materials and components worldwide, and it makes money by producing high-performance metal alloys (including titanium and nickel- and cobalt-based alloys) and delivering them in both long product forms and processed components across two reportable segments.

ATI is structured to capture value by converting demand for specialty high-performance metal alloys into revenue through both raw-form products (for example ingot, billet, bar, rod, wire, seamless tubes) and higher-processing outputs (for example precision forgings and machined parts), split across HPMC and AA&S.

Revenue by segment (latest quarter)
HPMC$0.7B
AA&S$0.6B

Business quality (Mixed): Two clearly defined reportable segments (HPMC and AA&S) with detailed product/process categories in HPMC, but the provided facts do not include segment profitability details beyond segment revenue and a single Segment EBITDA figure.

Valuation: At 66× earnings, ATI trades 168% above the Steel Works average (24×). Note: one-time items can distort reported P/E.

Bull case

  • Two-segment business model: ATI operates in High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S), which can help spread demand and product exposure across different alloy and solutions offerings.
  • Broad specialty alloy product set: HPMC includes titanium and titanium-based alloys, nickel- and cobalt-based alloys and superalloys, advanced powder alloys, and it also produces precision forgings and machined parts.
  • Aerospace end-market linkage: ATI supplies aerospace, which is supported by its HPMC focus on high-performance alloy materials and precision component manufacturing.

Bear case

  • End-market demand sensitivity: Because ATI serves aerospace, weakness in aerospace demand (or changes in aircraft production cycles) could reduce purchasing of specialty alloys and components.
  • Operational execution and throughput dependence: ATI sells processed products as well as raw forms (for example forgings and machined parts), which can increase sensitivity to manufacturing efficiency and quality performance.
  • Segment concentration: With revenue split between HPMC and AA&S, performance may be sensitive to conditions in one segment if demand, customer ordering patterns, or mix changes.
Valuation — source: SEC EDGAR (first-party)
Price$209.17
Market Cap$28.48B
P/E Ratio59.9
EV / EBITDA31.5
Price / Book14.25
Price / Sales6.04
FCF Yield1.8%
DCF Value (model)$73.24
DCF Upside vs Price-65.0%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$4.59B
Net Margin8.8%
Revenue Growth (YoY)10.6%
EPS Growth (YoY)54.2%
FCF Growth (YoY)-29.3%
Financial Health — source: SEC EDGAR
Altman Z-Score7.24 (safe)
Piotroski F-Score9/9 (strong)
Valuation vs Sector & Industry
Stock P/E59.9
Sector P/E (Materials)25.1
Industry P/E (Steel Works)21.7
vs Sector138.7%
vs Industry176.1%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderBlackRock, Inc. ($2.39B)
Institutional Holders Tracked10
Company
SectorMaterials
IndustrySteel Works
CEOKimberly A. Fields
Employees7,800
CountryUS
IPO Date1999-11-29

Related Companies (Business model: Defense & Aerospace Prime (Defense Primes + Commercial Aerospace OEMs) + Industrials / Capital Goods (Heavy Machinery + Diversified Industrials); 8 closest by market cap; US-domiciled)

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ATI earnings history · ATI institutional & insider holders · ATI KPIs & operating metrics · ATI financials · ATI investor presentations & press releases · ATI SEC filings · ATI peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.