Sealed Air (SEE) - Market capitalization

Market cap: £4.60 Billion

As of December 2025 Sealed Air has a market cap of £4.60 Billion. This makes Sealed Air the world's 2707th 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 Sealed Air from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£4.60 B	15.89%
2024	£3.97 B	-3.93%
2023	£4.14 B	-30.58%
2022	£5.96 B	-19.46%
2021	£7.40 B	42.08%
2020	£5.21 B	11.06%
2019	£4.69 B	9.85%
2018	£4.27 B	-35.07%
2017	£6.58 B	-7.36%
2016	£7.10 B	20.41%
2015	£5.89 B	2.82%
2014	£5.73 B	41.67%
2013	£4.05 B	92.15%
2012	£2.10 B	-0.87%
2011	£2.12 B	-19.05%
2010	£2.62 B	22.32%
2009	£2.14 B	33.41%
2008	£1.60 B	-14.52%
2007	£1.88 B	-29.58%
2006	£2.67 B	0.77%
2005	£2.65 B	14.34%
2004	£2.32 B	-9.89%
2003	£2.57 B	31.72%
2002	£1.95 B	-17.11%
2001	£2.35 B	37.98%
2000	£1.70 B	-36.24%
1999	£2.68 B	4.78%
1998	£2.55 B	-8.09%
1997	£2.78 B

End of Day market cap according to different sources

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

£4.60 Billion

by Nasdaq

£4.60 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AptarGroup ATR	£6.02 B	30.79%	🇺🇸 USA
Rocket Companies RKT	£40.22 B	772.60%	🇺🇸 USA
Silgan Holdings SLGN	£3.10 B	-32.59%	🇺🇸 USA
Berry Global BERY	£5.87 B	27.44%	🇺🇸 USA
Sonoco SON	£3.06 B	-33.46%	🇺🇸 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 Sealed Air (SEE)

Market cap: £4.60 Billion