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Compare · ATI vs STLD

ATI vs STLD

Side-by-side comparison of ATI Inc. (ATI) and Steel Dynamics Inc. (STLD): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ATI and STLD operate in Steel/Iron Ore (Industrials), so they compete in similar markets.
  • STLD is the larger of the two at $38.72B, about 1.6x ATI ($24.22B).
  • Over the past year, ATI is up 109.8% and STLD is up 101.0% - ATI leads by 8.8 points.
  • ATI has been more active in the news (19 items in the past 4 weeks vs 8 for STLD).
  • Both have 25 recent analyst ratings on file.
PerformanceATI+109.78%STLD+100.98%
2025-06-09+0.00%2026-06-05
MetricATISTLD
Company
ATI Inc.
Steel Dynamics Inc.
Price
$177.43-2.03%
$268.55-3.01%
Market cap
$24.22B
$38.72B
1M return
+7.48%
+11.01%
1Y return
+109.78%
+100.98%
Industry
Steel/Iron Ore
Steel/Iron Ore
Exchange
NYSE
NASDAQ
IPO
1996
News (4w)
19
8
Recent ratings
25
25
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.

STLD

Steel Dynamics Inc.

Steel Dynamics, Inc., together with its subsidiaries, operates as a steel producer and metal recycler in the United States. It operates through three segments: Steel Operations, Metals Recycling Operations, and Steel Fabrication Operations. The Steel Operations segment offers hot and cold roll, and coated steel products; structural flange beams and channel sections, flat bars, large unequal leg angles, reinforcing bars, as well as standard strength carbon, intermediate alloy hardness, and premium grade rail products; engineered special-bar-quality products; and merchant-bar-quality products, including channels, angles, flats, merchant rounds, and reinforcing steel bars; and other engineered round steel bars. This segment is also involved in the turning, polishing, straightening, chamfering, threading, precision saw-cutting, and heat treating of bar products; and cutting to length, straightening, hole punching, shot blasting, welding, galvanizing, and coating of specialty merchant bar products. Its products are used in construction, automotive, manufacturing, transportation, heavy and agriculture equipment, and pipe and tube industry sectors. This segment sells its products directly to end-users, steel fabricators, and service centers. The Metals Recycling Operations segment engages in the purchase, process, and resale of ferrous and nonferrous scrap metals into reusable forms and grades. Its ferrous products include heavy melting steel, busheling, bundled scrap, shredded scrap, steel turnings, and cast-iron products; and nonferrous products comprise aluminum, brass, copper, stainless steel, and other nonferrous metals. This segment also provides transportation logistics, marketing, brokerage, and scrap management services. The Steel Fabrication Operations segment produces steel building components, such as steel joists, girders, trusses, and steel deck products for non-residential steel fabricators. The company also exports its products. Steel Dynamics, Inc. was incorporated in 1993 and is headquartered in Fort Wayne, Indiana.

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