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Compare · ATI vs TS

ATI vs TS

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

Summary

  • Both ATI and TS operate in Steel/Iron Ore (Industrials), so they compete in similar markets.
  • TS is the larger of the two at $32.93B, about 1.4x ATI ($24.22B).
  • Over the past year, ATI is up 109.8% and TS is up 73.4% - ATI leads by 36.4 points.
  • ATI has been more active in the news (19 items in the past 4 weeks vs 1 for TS).
  • ATI has more recent analyst coverage (25 ratings vs 23 for TS).
PerformanceATI+109.78%TS+73.40%
2025-06-09+0.00%2026-06-05
MetricATITS
Company
ATI Inc.
Tenaris S.A.
Price
$177.43-2.03%
$61.42-3.90%
Market cap
$24.22B
$32.93B
1M return
+7.48%
-1.61%
1Y return
+109.78%
+73.40%
Industry
Steel/Iron Ore
Steel/Iron Ore
Exchange
NYSE
NYSE
IPO
News (4w)
19
1
Recent ratings
25
23
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.

TS

Tenaris S.A.

Tenaris S.A., through its subsidiaries, produces and sells seamless and welded steel tubular products; and provides related services for the oil and gas industry, and other industrial applications. The company offers steel casings, tubing products, mechanical and structural pipes, cold-drawn pipes, and premium joints and couplings; coiled tubing products for oil and gas drilling and workovers, and subsea pipelines; and umbilical tubing products; and tubular accessories. It also provides sucker rods, industrial equipment, heat exchangers, and utility conduits for buildings, as well as sells energy and raw materials. Additionally, it offers financial services. The company operates in North America, South America, Europe, the Middle East and Africa, and the Asia Pacific. Tenaris S.A. was incorporated in 2001 and is based in Luxembourg, Luxembourg. Tenaris S.A. is a subsidiary of Techint Holdings S.à r.l.