Upstream Bio, Inc. (UPB)

NASDAQ: UPB · Real-Time Price · USD

31.79

+0.20 (0.63%)

At close: Jan 22, 2026, 4:00 PM EST

32.42

+0.63 (1.98%)

After-hours: Jan 22, 2026, 5:05 PM EST

UPB Chart

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