SIGA Technologies (SIGA) - Market capitalization

Market cap: £0.33 Billion

As of December 2025 SIGA Technologies has a market cap of £0.33 Billion. This makes SIGA Technologies the world's 7361th 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 SIGA Technologies from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£0.33 B	-1.23%
2024	£0.33 B	7.98%
2023	£0.31 B	-29.66%
2022	£0.44 B	7.59%
2021	£0.41 B	0.02%
2020	£0.41 B	39.98%
2019	£0.29 B	-41.01%
2018	£0.49 B	76.55%
2017	£0.28 B	123.49%
2016	£0.12 B	726.13%
2015	£15.33 M	-69.01%
2014	£49.48 M	-53%
2013	£0.10 B	25.77%
2012	£83.71 M	0.42%
2011	£83.36 M	-81.25%
2010	£0.44 B	188.03%
2009	£0.15 B	95.67%
2008	£78.87 M	49.91%
2007	£52.61 M	-17.94%
2006	£64.11 M	339.18%
2005	£14.59 M	-31.09%
2004	£21.18 M	-11.4%
2003	£23.9 M	107.79%
2002	£11.5 M	-43.26%
2001	£20.28 M	28.36%
2000	£15.79 M	137.93%
1999	£6.64 M	16.73%
1998	£5.68 M	-67.63%
1997	£17.57 M

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of SIGA Technologies was reported to be:

£0.33 Billion

by Nasdaq

£0.33 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Emergent BioSolutions EBS	£0.47 B	42.99%	🇺🇸 USA
Celldex Therapeutics CLDX	£1.46 B	340.76%	🇺🇸 USA
Novavax NVAX	£0.84 B	152.90%	🇺🇸 USA
NanoViricides NNVC	£16.61 M	-95.01%	🇺🇸 USA
BioCryst Pharmaceuticals BCRX	£1.19 B	259.92%	🇺🇸 USA
Sarepta Therapeutics SRPT	£1.75 B	425.36%	🇺🇸 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 SIGA Technologies (SIGA)

Market cap: £0.33 Billion