Owens Corning (OC) - Market capitalization

Market cap: HK$79.76 Billion

As of January 2026 Owens Corning has a market cap of HK$79.76 Billion. This makes Owens Corning the world's 1955th 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 Owens Corning from 2006 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$79.76 B	7.78%
2025	HK$74.00 B	-34.85%
2024	HK$113.60 B	10.41%
2023	HK$102.88 B	63.4%
2022	HK$62.96 B	-11.2%
2021	HK$70.91 B	11.56%
2020	HK$63.56 B	14.99%
2019	HK$55.28 B	46.59%
2018	HK$37.71 B	-52.8%
2017	HK$79.90 B	76.36%
2016	HK$45.30 B	7.25%
2015	HK$42.24 B	29.12%
2014	HK$32.72 B	-12.03%
2013	HK$37.19 B	9.66%
2012	HK$33.91 B	25.79%
2011	HK$26.96 B	-10.37%
2010	HK$30.08 B	18.41%
2009	HK$25.40 B	48.25%
2008	HK$17.13 B	-17.43%
2007	HK$20.75 B	-31.81%
2006	HK$30.43 B

End of Day market cap according to different sources

On Jan 10th, 2026 the market cap of Owens Corning was reported to be:

HK$78.39 Billion

by Nasdaq

HK$79.76 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Louisiana-Pacific LPX	HK$49.95 B	-37.38%	🇺🇸 USA
PPG Industries PPG	HK$188.89 B	136.82%	🇺🇸 USA
Corning GLW	HK$569.38 B	613.82%	🇺🇸 USA
Patrick Industries PATK	HK$30.89 B	-61.27%	🇺🇸 USA
Aspen Aerogels ASPN	HK$2.12 B	-97.34%	🇺🇸 USA
Dow DOW	HK$145.82 B	82.82%	🇺🇸 USA
Masco MAS	HK$113.08 B	41.77%	🇺🇸 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 Owens Corning (OC)

Market cap: HK$79.76 Billion