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Summit Therapeutics market cap SMMT

Share price times shares outstanding: what the whole company sells for, since 2018.

Today, Oct 23, 2026
$12.3B
Highest close in our data
$23.1B
Sep 2024

Summit Therapeutics is worth $12.3B at the close on Oct 23, 2026, at $15.47 a share.

That is down 14% over the last year and up 2356% over five years.

Its highest close in our data was $23.1B in Sep 2024.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$12.3B$10.4B$19.5B−9%
2025$13.5B$12.1B$21.3B+1%
2024$13.4B$1.8B$23.1B+634%
2023$1.8B$310M$1.8B+114%
2022$855.6M$87.4M$855.6M+226%
2021$262.9M$262.9M$822.7M−32%
2020$386.6M$221.3M$1.6B+56%
2019$248.6M$92M$320.8M+170%
2018$92M$86.1M$1Bn/a

Against its peers

Companies in Drug Manufacturers - General nearest Summit Therapeutics' size, closest first, today.

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on Summit Therapeutics

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.