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Compare · ATI vs GGB

ATI vs GGB

Side-by-side comparison of ATI Inc. (ATI) and Gerdau S.A. (GGB): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ATI and GGB operate in Steel/Iron Ore (Industrials), so they compete in similar markets.
  • ATI is the larger of the two at $24.36B, about 2.5x GGB ($9.66B).
  • Over the past year, ATI is up 118.9% and GGB is up 66.1% - ATI leads by 52.8 points.
  • ATI has been more active in the news (16 items in the past 4 weeks vs 6 for GGB).
  • ATI has more recent analyst coverage (25 ratings vs 10 for GGB).
PerformanceATI+118.86%GGB+66.08%
2025-06-03+0.00%2026-06-03
MetricATIGGB
Company
ATI Inc.
Gerdau S.A.
Price
$179.38+0.67%
$4.72-3.77%
Market cap
$24.36B
$9.66B
1M return
+16.51%
+4.88%
1Y return
+118.86%
+66.08%
Industry
Steel/Iron Ore
Steel/Iron Ore
Exchange
NYSE
NYSE
IPO
News (4w)
16
6
Recent ratings
25
10
ATI

ATI Inc.

Allegheny Technologies Incorporated manufactures and sells specialty materials and components worldwide. The company operates in two segments, High Performance Materials & Components and Advanced Alloys & Solutions. The company produces high performance materials, including titanium and titanium-based alloys; nickel-and cobalt-based alloys and superalloys; zirconium and related alloys, such as hafnium and niobium; powder alloys; and other specialty materials in long product forms of ingots, billets, bars, rods, wires, and shapes and rectangles, as well as seamless tubes, plus precision forgings, castings, components, and machined parts to the aerospace and defense, medical, oil and gas, and electrical energy markets. It also provides stainless steel, nickel-based alloys, specialty alloys, and titanium and titanium-based alloys in various product forms, including plate, sheet, and precision rolled strip products to various markets, such as chemical and hydrocarbon processing,. Allegheny Technologies Incorporated was founded in 1960 and is based in Pittsburgh, Pennsylvania.

GGB

Gerdau S.A.

Gerdau S.A. provides steel products and services. It operates through four segments: Brazil Business, North America Business, South America Business, and Special Steel Business. The company offers semi-finished products, including billets, blooms, and slabs; common long rolled products, such as rebars, wire rods, merchant bars, light shapes, and profiles to the construction and manufacturing industries; finished industrial products, including commercial rolled-steel bars, and light profiles and wires; agricultural products that include stakes and smooth wire products; and drawn products comprises barbed and barbless fence wires, galvanized wires, fences, concrete reinforcing wire meshes, nails, and clamps. It also produces special steel products used in auto parts, light and heavy vehicles, and agricultural machinery, as well as the oil and gas, wind energy, machinery and equipment, mining and rail, and other markets. In addition, the company offers flat products, including hot rolled coils and heavy plates; and resells flat steel products, as well as mines and produces iron ore. It sells its products through independent distributors, direct sales from the mills, and its retail network. The company was founded in 1901 and is based in Sao Paulo, Brazil. Gerdau S.A. is a subsidiary of Metalúrgica Gerdau S.A.

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