Kirby Corporation (KEX) - Market capitalization

Market cap: NZ$11.56 Billion

As of March 2026 Kirby Corporation has a market cap of NZ$11.56 Billion. This makes Kirby Corporation the world's 2528th 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 Kirby Corporation from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$11.56 B	8.27%
2025	NZ$10.68 B	-0.95%
2024	NZ$10.78 B	47.07%
2023	NZ$7.33 B	20.8%
2022	NZ$6.07 B	16.1%
2021	NZ$5.22 B	21.25%
2020	NZ$4.31 B	-45.89%
2019	NZ$7.97 B	32.59%
2018	NZ$6.01 B	7.06%
2017	NZ$5.61 B	8.6%
2016	NZ$5.17 B	25.18%
2015	NZ$4.13 B	-29.52%
2014	NZ$5.86 B	-14.64%
2013	NZ$6.86 B	61.28%
2012	NZ$4.25 B	-9.35%
2011	NZ$4.69 B	53.57%
2010	NZ$3.05 B	18.45%
2009	NZ$2.58 B	2.37%
2008	NZ$2.52 B	-22.65%
2007	NZ$3.26 B	27.01%
2006	NZ$2.56 B	29.49%
2005	NZ$1.98 B	28.23%
2004	NZ$1.54 B	18.48%
2003	NZ$1.30 B	3.85%
2002	NZ$1.25 B	-21.14%
2001	NZ$1.59 B	40.78%
2000	NZ$1.13 B	17.64%
1999	NZ$0.96 B	22.42%
1998	NZ$0.78 B	-2.79%
1997	NZ$0.80 B	16.7%
1996	NZ$0.69 B

End of Day market cap according to different sources

On Mar 16th, 2026 the market cap of Kirby Corporation was reported to be:

NZ$11.44 Billion

by Nasdaq

NZ$11.56 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Caterpillar CAT	NZ$562.22 B	4,760.52%	🇺🇸 USA
Martin Midstream Partners MMLP	NZ$0.17 B	-98.45%	🇺🇸 USA
SEACOR Holdings CKH	NZ$1.46 B	-87.37%	🇺🇸 USA
Enterprise Products EPD	NZ$138.50 B	1,097.41%	🇺🇸 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 Kirby Corporation (KEX)

Market cap: NZ$11.56 Billion