Summit Therapeutics (SMMT)

Healthcare · Biotechnology
$17.31 +0.23% on the day Market cap $12.0B 52-week range $12.07 to $29.23 Prices as of Oct 7, 2026

What the price implies

A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.

Summit Therapeutics's free cash flow was negative in fiscal 2025, so a cash-flow reverse DCF doesn't give a meaningful answer. The Modeling tab works from revenue and margins instead.

Fundamental grade

D

Five factors scored 1 to 9 from SMMT's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.

Valuation4
Profitability0
Financial health9

Key numbers

P/E (trailing)—
P/E (forward)3.43x
Price / free cash flow—
EV / EBITDA-5.32x
Price / sales3584.8x
Price / book20.8x
Revenue growth—
Operating margin—
Net margin—
Return on equity-135.9%
Dividend yield—
Debt / equity0.19x

Results from SEC filings

Fiscal years, from Summit Therapeutics's 10-K filings. The deep dive has 15+ years, quarters and every line.

Fiscal year20212022202320242025
Revenue$2M$705,000$0$0—
Net income-$89M-$79M-$615M-$221M-$1.1B
Free cash flow-$73M-$42M-$77M-$142M-$324M
EPS (diluted)-$0.67-$0.41-$0.99-$0.31-$1.44
Operating margin-4764.3%-10225.4%———

Where the revenue comes from

Revenue by products, fiscal 2019.

Licensing agreements$57M99%
Research collaboration agreement$327,0001%

Superinvestors who own SMMT

From each investor's latest 13F filing (what a 13F shows). 2 of the investors we track hold it.

InvestorLast quarterValue% of portfolioQuarter
Cliff Asness
AQR Capital Management
Added $8M0.00%Q2 2026
Joel Greenblatt
Gotham Asset Management
Held $229,1420.00%Q2 2026

Insider buying

Open-market purchases by Summit Therapeutics's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you.

DateInsiderSharesPriceValue
Oct 21, 2025 Mahkam Zanganeh
26,680$18.74$499,983
Oct 21, 2025 Robert W Duggan
26,680$18.74$499,983
Oct 21, 2025 Yu Xia
533,617$18.74$10M

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In the full deep dive

DCF fair value per share
Yearly return (IRR) at today's price
Growth implied by revenue and margins
15+ years of statements and quarters

Questions

Are Summit Therapeutics insiders buying the stock?

3 open-market insider purchases of SMMT in the last 12 months, from SEC Form 4 filings.

Which superinvestors own Summit Therapeutics?

2 of the superinvestors Investingly tracks hold SMMT in their latest 13F, including Cliff Asness, Joel Greenblatt.

Prices and ratios as of Oct 7, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.