Summit Therapeutics (SMMT) - Shares outstanding

Number of shares outstanding as of December 2025 : 743,415,917

According to Summit Therapeutics 's latest financial reports and stock price the company's current number of shares outstanding is 743,415,917. At the end of 2025 the company had 743,415,917 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Summit Therapeutics from 2014 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.74 B	2.31%
2024	0.72 B	4.14%
2023	0.69 B	233.99%
2022	0.20 B	115.86%
2021	96.78 M	28.65%
2020	75.22 M	-53.13%
2019	0.16 B	95.4%
2018	82.13 M	24.46%
2017	65.99 M	7.18%
2016	61.57 M	0.46%
2015	61.29 M	51.66%
2014	40.41 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Sarepta Therapeutics SRPT	100,237,000	-86.52%	🇺🇸 USA
Arena Pharmaceuticals ARNA	56,662,000	-92.38%	🇺🇸 USA
Merrimack Pharmaceuticals MACK	14,452,000	-98.06%	🇺🇸 USA
Coherus BioSciences CHRS	116,229,170	-84.37%	🇺🇸 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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Number of shares outstanding for Summit Therapeutics (SMMT)

Number of shares outstanding as of December 2025 : 743,415,917