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Companies / Health Care / Summit Therapeutics Inc.
SMMT

Summit Therapeutics Inc.

Health CarePharmaceutical Preparations
Ticker SMMTMIAMI, FLFiscal year ends DecemberBook value per share $0.72Diluted shares 784.0M

Summit Therapeutics Inc. (Nasdaq: SMMT) is a biopharmaceutical company focused on developing oncology therapies, with operations centered on clinical development of its lead candidate, ivonescimab. Ivonescimab is a bispecific antibody designed to block PD-1 and VEGF-A pathways in a single molecule. Summit is… From the company’s description.

In fiscal 2025, Summit Therapeutics Inc. reported a net loss of $1.08B. Operations used $322.93M in cash.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-09-30
Sales & profitability
—
0.00%FY2025
$-1.08BFY2025
−387.8% year over year
Last 12 mo $-832.68M
-163.86%FY2025
−106.9 percentage points
Last 12 mo -147.46%
Cash & financing
$-322.93MFY2025
−127.2% year over year
Last 12 mo $-525.17M
$-323.59MFY2025
−127.5% year over year
Last 12 mo $-526.88M
—
Was 0.00× a year earlier
747.7MFY2025
+4.1% year over year
Last 12 mo 784.0M

Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.

What Summit Therapeutics Inc. does

In the company’s own words

Summit Therapeutics Inc. (Nasdaq: SMMT) is a biopharmaceutical company focused on developing oncology therapies, with operations centered on clinical development of its lead candidate, ivonescimab. Ivonescimab is a bispecific antibody designed to block PD-1 and VEGF-A pathways in a single molecule. Summit is conducting Phase III trials evaluating ivonescimab, alone or with chemotherapy, in non-small cell lung cancer and metastatic colorectal cancer; its lead program targets previously treated EGFR-mutated lung cancer, and the FDA accepted Summit’s application for that proposed use in January 2026. The company licensed rights from Akeso to develop and commercialize ivonescimab in the United States, Canada, Europe, Japan, Latin America, the Middle East and Africa, while Akeso retained rights elsewhere. Summit has no reportable business segments described in the provided business overview; its activities are focused on ivonescimab and related clinical development. Its website is www.smmttx.com.

Company details
Sector
Health Care
Industry (SIC)
Pharmaceutical Preparations
Headquarters
MIAMI, FL
Fiscal year end
December
CIK
1599298
SIC
2834

Financial performance, year by year

Fiscal 2020–2025 · USD
$-1.19B$-863.31M$-538.89M$-214.47M$109.95M202020212022202320242025Last 12 moLast 12 months

The full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.

Ownership

Who owns Summit Therapeutics Inc. — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

173
funds hold it
0 of 35
superinvestors hold it
$625.03M
held by funds, at market
5.0%
of shares held by funds

Largest fund holders · Summit Therapeutics Inc.’s weight in each

1.01%of fund net assets
VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%of fund net assets
Fidelity Growth Company Fund
FDGRX · Fidelity Mt. Vernon Street Trust
—of fund net assets
VANGUARD SMALL-CAP INDEX FUND
VB · VANGUARD INDEX FUNDS
0.02%of fund net assets
T. Rowe Price Health Sciences Fund, Inc.
PRHSX · T. ROWE PRICE HEALTH SCIENCES FUND, INC.
0.31%of fund net assets

Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Could not be determined for this company: bond issues.

Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.

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