Innospec (IOSP) - Market capitalization

Market cap: HK$14.50 Billion

As of December 2025 Innospec has a market cap of HK$14.50 Billion. This makes Innospec the world's 4791th 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 Innospec from 1998 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$14.50 B	-32.3%
2024	HK$21.42 B	-10.47%
2023	HK$23.93 B	20.25%
2022	HK$19.90 B	14.63%
2021	HK$17.36 B	0.43%
2020	HK$17.28 B	-12.43%
2019	HK$19.74 B	67.07%
2018	HK$11.81 B	-11.24%
2017	HK$13.31 B	4.51%
2016	HK$12.73 B	25.57%
2015	HK$10.14 B	26.1%
2014	HK$8.04 B	-7.8%
2013	HK$8.72 B	39.89%
2012	HK$6.23 B	23.19%
2011	HK$5.06 B	34.55%
2010	HK$3.76 B	103.26%
2009	HK$1.85 B	72.37%
2008	HK$1.07 B	-66.14%
2007	HK$3.17 B	-26.38%
2006	HK$4.30 B	175.32%
2005	HK$1.56 B	-21.55%
2004	HK$1.99 B	8.4%
2003	HK$1.84 B	26.13%
2002	HK$1.45 B	-11.52%
2001	HK$1.64 B	54.43%
2000	HK$1.06 B	-1.49%
1999	HK$1.08 B	-27.62%
1998	HK$1.49 B

End of Day market cap according to different sources

On Dec 6th, 2025 the market cap of Innospec was reported to be:

HK$14.47 Billion

by Nasdaq

HK$14.50 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NewMarket Corp NEU	HK$56.06 B	286.49%	🇺🇸 USA
W. R. Grace GRA	HK$36.10 B	148.90%	🇺🇸 USA
Albemarle ALB	HK$114.70 B	690.70%	🇺🇸 USA
Sensient Technologies SXT	HK$30.55 B	110.62%	🇺🇸 USA
Huntsman Corporation HUN	HK$13.58 B	-6.39%	🇺🇸 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 Innospec (IOSP)

Market cap: HK$14.50 Billion