AptarGroup (ATR) - Market capitalization

Market cap: C$13.01 Billion

As of February 2026 AptarGroup has a market cap of C$13.01 Billion. This makes AptarGroup the world's 2121th 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	C$13.01 B	17.08%
2025	C$11.11 B	-26.37%
2024	C$15.10 B	40.01%
2023	C$10.78 B	10.7%
2022	C$9.74 B	-5.18%
2021	C$10.27 B	-9.04%
2020	C$11.29 B	17.26%
2019	C$9.63 B	19.53%
2018	C$8.06 B	19.28%
2017	C$6.75 B	9.2%
2016	C$6.18 B	-1.76%
2015	C$6.29 B	30.98%
2014	C$4.80 B	1.87%
2013	C$4.72 B	50.96%
2012	C$3.12 B	-10.81%
2011	C$3.50 B	10.38%
2010	C$3.17 B	25.51%
2009	C$2.53 B	-12.51%
2008	C$2.89 B	3.93%
2007	C$2.78 B	17.03%
2006	C$2.37 B	12.14%
2005	C$2.12 B	-6.42%
2004	C$2.26 B	23.44%
2003	C$1.83 B	3.57%
2002	C$1.77 B	-11.38%
2001	C$2.00 B	27.78%
2000	C$1.56 B	19.14%
1999	C$1.31 B	-15.63%
1998	C$1.55 B	9.12%
1997	C$1.42 B	64.7%
1996	C$0.86 B

End of Day market cap according to different sources

On Feb 21st, 2026 the market cap of AptarGroup was reported to be:

C$12.77 Billion

by Nasdaq

C$13.01 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

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Sealed Air SEE	C$8.45 B	-35.09%	🇺🇸 USA
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Silgan Holdings SLGN	C$7.08 B	-45.57%	🇺🇸 USA
Sonoco SON	C$7.61 B	-41.50%	🇺🇸 USA
O-I Glass OI	C$3.23 B	-75.18%	🇺🇸 USA
Greif GEF	C$5.82 B	-55.26%	🇺🇸 USA
Crown Holdings CCK	C$18.11 B	39.12%	🇺🇸 USA
Berry Global BERY	C$10.70 B	-17.78%	🇺🇸 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: C$13.01 Billion