09:18 AM EST, 11/05/2025 (MT Newswires) -- Upstream Bio ( UPB ) reported a Q3 net loss Wednesday of $33.7 million, widening from a loss of $16 million a year ago.

Collaboration revenue for the quarter ended Sept. 30 was $683,000, up from $607,000 a year earlier.

The company said it had cash, cash equivalents and short-term investments of $372.4 million as of Sept. 30, which is expected to fund operations through 2027.