Selective Insurance (SIGI) - Market capitalization

Market cap: £3.96 Billion

As of May 2026 Selective Insurance has a market cap of £3.96 Billion. This makes Selective Insurance the world's 3026th 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 Selective Insurance from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£3.96 B	4.36%
2025	£3.79 B	-16.46%
2024	£4.54 B	-3.93%
2023	£4.73 B	7.16%
2022	£4.41 B	20.96%
2021	£3.64 B	24.13%
2020	£2.94 B	-0.54%
2019	£2.95 B	4.45%
2018	£2.83 B	11.59%
2017	£2.53 B	25.64%
2016	£2.01 B	55.3%
2015	£1.29 B	31.6%
2014	£0.98 B	7.66%
2013	£0.91 B	39.49%
2012	£0.65 B	6.33%
2011	£0.61 B	-2%
2010	£0.63 B	16.6%
2009	£0.54 B	-34.44%
2008	£0.82 B	31.37%
2007	£0.62 B	-24.97%
2006	£0.83 B	-3.87%
2005	£0.87 B	35.32%
2004	£0.64 B	30.45%
2003	£0.49 B	15.31%
2002	£0.42 B	11.08%
2001	£0.38 B	-5.6%
2000	£0.40 B	44.5%
1999	£0.28 B	-18.17%
1998	£0.34 B	-28.23%
1997	£0.48 B	49.03%
1996	£0.32 B

End of Day market cap according to different sources

On May 17th, 2026 the market cap of Selective Insurance was reported to be:

£3.96 Billion

by Nasdaq

£3.96 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Cincinnati Financial CINF	£19.31 B	387.51%	🇺🇸 USA
The Hartford HIG	£27.54 B	595.23%	🇺🇸 USA
Progressive PGR	£87.57 B	2,110.20%	🇺🇸 USA
W. R. Berkley WRB	£18.56 B	368.48%	🇺🇸 USA
The Travelers Companies TRV	£47.82 B	1,107.13%	🇺🇸 USA
Erie Indemnity ERIE	£8.35 B	110.97%	🇺🇸 USA
Markel Group MKL	£17.31 B	336.99%	🇺🇸 USA
Hanover Insurance Group THG	£5.10 B	28.96%	🇺🇸 USA
H.B. Fuller FUL	£2.37 B	-40.09%	🇺🇸 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 Selective Insurance (SIGI)

Market cap: £3.96 Billion