AptarGroup (ATR) - Market capitalization

Market cap: £6.11 Billion

As of January 2026 AptarGroup has a market cap of £6.11 Billion. This makes AptarGroup the world's 2276th 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 AptarGroup from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£6.11 B	1.5%
2025	£6.02 B	-28.1%
2024	£8.38 B	31.38%
2023	£6.38 B	7.55%
2022	£5.93 B	-0.64%
2021	£5.97 B	-8.11%
2020	£6.49 B	15.55%
2019	£5.62 B	20.68%
2018	£4.66 B	17.21%
2017	£3.97 B	6.57%
2016	£3.73 B	21.79%
2015	£3.06 B	15.11%
2014	£2.66 B	-1%
2013	£2.68 B	38.18%
2012	£1.94 B	-12.27%
2011	£2.21 B	7.73%
2010	£2.05 B	38.49%
2009	£1.48 B	-8.43%
2008	£1.62 B	15.58%
2007	£1.40 B	34.67%
2006	£1.04 B	-1.28%
2005	£1.05 B	7.48%
2004	£0.98 B	24.22%
2003	£0.79 B	13.03%
2002	£0.70 B	-19.17%
2001	£0.86 B	23.7%
2000	£0.70 B	24.17%
1999	£0.56 B	-7.45%
1998	£0.60 B	0.18%
1997	£0.60 B	64.57%
1996	£0.36 B

End of Day market cap according to different sources

On Jan 12th, 2026 the market cap of AptarGroup was reported to be:

£6.09 Billion

by Nasdaq

£6.11 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Sealed Air SEE	£4.54 B	-25.74%	🇺🇸 USA
Silgan Holdings SLGN	£3.41 B	-44.14%	🇺🇸 USA
Greif GEF	£3.04 B	-50.18%	🇺🇸 USA
O-I Glass OI	£1.77 B	-70.92%	🇺🇸 USA
Sonoco SON	£3.47 B	-43.17%	🇺🇸 USA
Berry Global BERY	£5.80 B	-5.07%	🇺🇸 USA
Ball Corporation BALL	£11.20 B	83.12%	🇺🇸 USA
Crown Holdings CCK	£9.14 B	49.49%	🇺🇸 USA
Packaging Corporation of America PKG	£14.50 B	137.09%	🇺🇸 USA
TriMas TRS	£1.05 B	-82.70%	🇺🇸 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 AptarGroup (ATR)

Market cap: £6.11 Billion