Market capitalization of BioLargo (BLGO)

Market cap: €41.69 Million

As of April 2026 BioLargo has a market cap of €41.69 Million. This makes BioLargo the world's 9925th 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 BioLargo from 1997 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	€41.69 M	-11.08%
2025	€46.88 M	-18.96%
2024	€57.85 M	31.53%
2023	€43.98 M	-12.1%
2022	€50.04 M	3.63%
2021	€48.29 M	117.14%
2020	€22.23 M	-29.63%
2019	€31.6 M	14.12%
2018	€27.69 M	-15.68%
2017	€32.84 M	-53.54%
2016	€70.69 M	80.17%
2015	€39.23 M	85.67%
2014	€21.13 M	55.4%
2013	€13.59 M	6%
2012	€12.83 M	-10.72%
2011	€14.37 M	-26.17%
2010	€19.46 M	-7.77%
2009	€21.1 M	70.63%
2008	€12.36 M	-52.75%
2007	€26.17 M	3571.66%
2006	€0.71 M	1254.1%
2005	€0.05 M	-84.49%
2004	€0.33 M	-68.01%
2003	€1.06 M	-74.33%
2002	€4.13 M	-56.36%
2001	€9.47 M	29.27%
2000	€7.32 M	116.72%
1999	€3.38 M	44.06%
1998	€2.34 M	-51.77%
1997	€4.86 M

End of Day market cap according to different sources

On Apr 4th, 2026 the market cap of BioLargo was reported to be:

N/A

by Nasdaq

€41.69 Million

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
W. R. Grace GRA	€4.02 B	9,555.44%	🇺🇸 USA
Innospec IOSP	€1.59 B	3,723.39%	🇺🇸 USA
Lightwave Logic LWLG	€0.98 B	2,273.24%	🇺🇸 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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