Allegheny Technologies (ATI) - Market capitalization

Market cap: C$19.08 Billion

As of December 2025 Allegheny Technologies has a market cap of C$19.08 Billion. This makes Allegheny Technologies the world's 1511th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Allegheny Technologies from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$19.08 B	68.19%
2024	C$11.35 B	47.52%
2023	C$7.69 B	46.73%
2022	C$5.24 B	102.98%
2021	C$2.58 B	-4.73%
2020	C$2.71 B	-20.3%
2019	C$3.40 B	-8.72%
2018	C$3.72 B	-2.43%
2017	C$3.81 B	63.82%
2016	C$2.33 B	36.86%
2015	C$1.70 B	-61.16%
2014	C$4.38 B	7.1%
2013	C$4.09 B	26.32%
2012	C$3.24 B	-37.3%
2011	C$5.17 B	-4.86%
2010	C$5.43 B	17.65%
2009	C$4.61 B	54.55%
2008	C$2.98 B	-65.65%
2007	C$8.70 B	-18.56%
2006	C$10.68 B	159.02%
2005	C$4.12 B	65.46%
2004	C$2.49 B	80.24%
2003	C$1.38 B	74.33%
2002	C$0.79 B	-62.98%
2001	C$2.14 B	12.16%
2000	C$1.91 B	-34.66%
1999	C$2.92 B	-46.8%
1998	C$5.49 B	-15.56%
1997	C$6.51 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of Allegheny Technologies was reported to be:

C$18.87 Billion

by Nasdaq

C$19.14 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Haynes International HAYN	C$1.07 B	-94.35%	🇺🇸 USA
Carpenter Technology CRS	C$21.17 B	10.93%	🇺🇸 USA
Valmont Industries VMI	C$11.30 B	-40.78%	🇺🇸 USA
Kennametal KMT	C$2.93 B	-84.61%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Allegheny Technologies (ATI)

Market cap: C$19.08 Billion