On May 7, 2026 PTC Therapeutics, Inc., (NASDAQ: PTCT) reported a corporate update and financial results for the first quarter ended March 31, 2026.
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"We are off to a strong start to 2026 with outstanding revenue performance this quarter that supports raising our full-year product revenue guidance," said Matthew B. Klein, M.D., Chief Executive Officer. "The Sephience launch continues to be strong, with sustained momentum in the US and growing momentum internationally as more countries contribute to the global launch."
Key Corporate Updates
Q1 2026 total revenue of $273 million, with $226 million of product revenue
Sephience global launch continues strong momentum
Q1 2026 revenue of $125 million, including $112 million revenue in the US and $13 million revenue ex-US, up 36% from Q4 2025
1,244 total patients on commercial therapy worldwide as of March 31, 2026
Continued strong cadence of patient start forms in the US, with ~140 per month over past several months, surpassing 1,500 mark in the quarter
First commercial sales in Japan in Q1 2026, with revenue expected from up to 30 countries by year-end 2026
Reported positive topline results in April 2026 from 24-month interim analysis of PIVOT-HD long-term extension study of votoplam, an oral small molecule splicing agent
Dose-dependent benefit on cUHDRS in Stage 2 participants relative to natural history cohort, with 52% slowing of disease progression at 10 mg dose
Continued favorable safety and tolerability with no treatment-related NfL spikes
PTC and Novartis will complete data review and align on potential regulatory interactions
Findings support ongoing global Phase 3 INVEST‑HD study of votoplam led by Novartis
First patient dosed in Phase 3 INVEST-HD study, triggering $50 million milestone payment from Novartis to PTC in Q2 2026
Type C meeting with FDA held in April 2026 to discuss vatiquinone study to support NDA resubmission for Friedreich’s ataxia program
Based on meeting discussion and written feedback, PTC expects to initiate an open-label study using matched natural history control in Q3 2026
Primary endpoint will be change in mFARS from baseline to 24 months
First Quarter 2026 Financial Highlights
Total net product revenue and royalty revenue was $272.4 million for the first quarter of 2026, compared to $189.9 million for the first quarter of 2025.
Total net product revenue across the commercial portfolio was $225.6 million for the first quarter of 2026, compared to $153.4 million for the first quarter of 2025, representing a 47% increase.
Sephience net product revenues were $124.6 million for the first quarter of 2026, representing 36% growth compared to fourth quarter of 2025.
Translarna (ataluren) net product revenues were $59.0 million for the first quarter of 2026, compared to $86.2 million for the first quarter of 2025. Translarna first quarter of 2026 revenue includes a large government purchase order from Brazil.
Emflaza (deflazacort) net product revenues were $21.5 million for the first quarter of 2026, compared to $47.8 million for the first quarter of 2025, due to continued generic erosion.
Roche reported Evrysdi (risdiplam) sales of approximately 464 CHF million, resulting in royalty revenue of $46.8 million to PTC for the first quarter of 2026, compared to $36.4 million to PTC for the first quarter of 2025.
Based on US GAAP (Generally Accepted Accounting Principles), GAAP R&D expenses were $100.9 million for the first quarter of 2026, compared to $109.0 million for the first quarter of 2025.
Non-GAAP R&D expenses were $89.7 million for the first quarter of 2026, excluding $11.1 million in non-cash, stock-based compensation expense, compared to $100.3 million for the first quarter of 2025, excluding $8.7 million in non-cash, stock-based compensation expense.
GAAP SG&A expenses were $86.2 million for the first quarter of 2026, compared to $81.0 million for the first quarter of 2025.
Non-GAAP SG&A expenses were $73.9 million for the first quarter of 2026, excluding $12.3 million in non-cash, stock-based compensation expense, compared to $71.6 million for the first quarter of 2025, excluding $9.4 million in non-cash, stock-based compensation expense.
Net loss was $2.8 million for the first quarter of 2026, compared to net income of $866.6 million for the first quarter of 2025.
Cash, cash equivalents, and marketable securities were $1,892.5 million on March 31, 2026, compared to $1,945.4 million on December 31, 2025.
Shares issued and outstanding as of March 31, 2026, were 82,882,024.
PTC Updates Full-Year 2026 Financial Guidance
Total product revenue guidance raised to $750 to $850 million, with expected total revenue of $1.08 to $1.18 billion
GAAP R&D and SG&A expense guidance remains $775 to $815 million
Non-GAAP R&D and SG&A expense guidance remains $680 to $720 million, excluding estimated non-cash, stock-based compensation expense of $95 million
(Press release, PTC Therapeutics, MAY 7, 2026, View Source [SID1234665343])