Innospec (IOSP) - Market capitalization

Market cap: NZ$3.22 Billion

As of December 2025 Innospec has a market cap of NZ$3.22 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	NZ$3.22 B	-34.09%
2024	NZ$4.89 B	0.99%
2023	NZ$4.84 B	20.78%
2022	NZ$4.01 B	23.08%
2021	NZ$3.25 B	5.47%
2020	NZ$3.09 B	-17.89%
2019	NZ$3.76 B	67.32%
2018	NZ$2.24 B	-6.24%
2017	NZ$2.39 B	1.17%
2016	NZ$2.37 B	24.01%
2015	NZ$1.91 B	44.47%
2014	NZ$1.32 B	-3.33%
2013	NZ$1.36 B	39.98%
2012	NZ$0.97 B	17.11%
2011	NZ$0.83 B	33.27%
2010	NZ$0.62 B	90.66%
2009	NZ$0.32 B	37.25%
2008	NZ$0.23 B	-54.91%
2007	NZ$0.53 B	-32.46%
2006	NZ$0.78 B	166.28%
2005	NZ$0.29 B	-17.92%
2004	NZ$0.35 B	-1.5%
2003	NZ$0.36 B	2.17%
2002	NZ$0.35 B	-29.81%
2001	NZ$0.50 B	64.84%
2000	NZ$0.30 B	15.71%
1999	NZ$0.26 B	-27.21%
1998	NZ$0.36 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Innospec was reported to be:

NZ$3.21 Billion

by Nasdaq

NZ$3.22 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NewMarket Corp NEU	NZ$12.46 B	286.49%	🇺🇸 USA
W. R. Grace GRA	NZ$8.02 B	148.90%	🇺🇸 USA
Albemarle ALB	NZ$25.50 B	690.70%	🇺🇸 USA
Sensient Technologies SXT	NZ$6.79 B	110.62%	🇺🇸 USA
Huntsman Corporation HUN	NZ$3.01 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: NZ$3.22 Billion