Prothena reported a net loss of $60.2 million for the first quarter of 2025, an improvement from the $72.2 million net loss in the first quarter of 2024. Total revenue significantly increased to $2.8 million, primarily due to collaboration revenue from Bristol Myers Squibb. The company ended the quarter with $418.8 million in cash, cash equivalents, and restricted cash.
Net loss for Q1 2025 was $60.2 million, an improvement from $72.2 million in Q1 2024.
Total revenue for Q1 2025 was $2.8 million, up from $0.1 million in Q1 2024, primarily from collaboration revenue.
Net cash used in operating and investing activities was $53.4 million in Q1 2025.
Cash and restricted cash position at quarter-end was $418.8 million.
Prothena expects full-year 2025 net cash used in operating and investing activities to be between $168 million and $175 million, with an estimated year-end cash balance of approximately $301 million. The estimated full-year net loss is projected to be between $197 million and $205 million, including $41 million of non-cash share-based compensation expense.