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Summit Therapeutics (SMMT) investor relations material
Summit Therapeutics Q4 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Executive summary
Advanced clinical development of ivonescimab, a bispecific antibody targeting PD-1 and VEGF, with multiple global Phase III trials in NSCLC, CRC, and other solid tumors underway or completed, and positive data supporting expansion into new indications.
BLA for ivonescimab in EGFR-mutant NSCLC accepted by FDA, with a PDUFA target date of November 14, 2026.
Commercial readiness activities ramping up in anticipation of potential US approval, with manufacturing process successfully transferred to a US-based facility.
Expanded collaborations with GSK, Revolution Medicines, and GORTEC, with new combination studies and patient dosing milestones achieved; ILLUMINE Phase III study in head and neck cancer to begin enrollment in early Q2 2026.
Over 4,000 patients dosed in clinical trials and more than 60,000 commercial patients in China.
Financial highlights
Year-end 2025 cash and short-term investments of $713.4 million, up from $412.3 million at year-end 2024, with no debt.
Q4 2025 GAAP operating expenses were $225 million, down from $234.2 million in Q3 2025; full-year 2025 GAAP operating expenses surged to $1,094.4 million, mainly due to $681.4 million in stock-based compensation.
Q4 2025 non-GAAP operating expenses were $113.3 million, up from $103.4 million in Q3 2025; full-year 2025 non-GAAP operating expenses increased to $362.0 million.
GAAP net loss was $1,079.6 million ($1.44/share) in 2025; non-GAAP net loss was $347.2 million ($0.46/share) in 2025.
Significant stock-based compensation adjustments in both R&D and G&A expenses.
Outlook and guidance
Interim PFS analysis for HARMONi-3 squamous cohort expected in Q2 2026; final PFS and interim OS data in H2 2026.
HARMONi-3 non-squamous cohort enrollment to complete in H2 2026, with final PFS data anticipated in H1 2027.
Continued expansion of the clinical pipeline, including new Phase III studies and novel combination regimens in 2026.
GSK and Revolution Medicines collaborations to initiate new combination trials in mid-2026.
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