Upstream Bio Inc. (UPB)
NASDAQ: UPB
· Real-Time Price · USD
17.71
-0.09 (-0.51%)
At close: Sep 11, 2025, 11:20 AM
UPB Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 10, 2025 | 18.21 | 18.71 | 17.02 | 17.80 | 17.80 | -2.41% | 524,460 |
| Sep 9, 2025 | 18.72 | 18.94 | 17.98 | 18.24 | 18.24 | -2.62% | 373,700 |
| Sep 8, 2025 | 20.08 | 20.32 | 18.67 | 18.73 | 18.73 | -6.21% | 600,744 |
| Sep 5, 2025 | 19.81 | 20.42 | 19.09 | 19.97 | 19.97 | 1.47% | 556,222 |
| Sep 4, 2025 | 20.01 | 20.28 | 18.57 | 19.68 | 19.68 | -1.60% | 563,600 |
| Sep 3, 2025 | 20.94 | 21.03 | 19.58 | 20.00 | 20.00 | -1.28% | 970,100 |
| Sep 2, 2025 | 16.86 | 20.38 | 16.66 | 20.26 | 20.26 | 18.27% | 2,191,700 |
| Aug 29, 2025 | 16.91 | 17.22 | 16.37 | 17.13 | 17.13 | 2.21% | 305,700 |
| Aug 28, 2025 | 16.83 | 17.20 | 16.42 | 16.76 | 16.76 | 0.36% | 444,400 |
| Aug 27, 2025 | 17.30 | 17.43 | 16.66 | 16.70 | 16.70 | -3.47% | 254,424 |
| Aug 26, 2025 | 16.93 | 17.78 | 16.93 | 17.30 | 17.30 | 3.41% | 356,200 |
| Aug 25, 2025 | 17.60 | 17.60 | 16.56 | 16.73 | 16.73 | -5.10% | 215,747 |
| Aug 22, 2025 | 17.83 | 18.48 | 17.54 | 17.63 | 17.63 | -0.62% | 289,100 |
| Aug 21, 2025 | 16.07 | 17.98 | 16.02 | 17.74 | 17.74 | 8.44% | 421,900 |
| Aug 20, 2025 | 16.71 | 17.17 | 16.34 | 16.36 | 16.36 | -3.20% | 378,945 |
| Aug 19, 2025 | 17.92 | 18.23 | 16.50 | 16.90 | 16.90 | -6.22% | 507,900 |
| Aug 18, 2025 | 18.93 | 19.37 | 17.67 | 18.02 | 18.02 | -4.81% | 394,800 |
| Aug 15, 2025 | 18.68 | 19.27 | 18.15 | 18.93 | 18.93 | 1.66% | 424,802 |
| Aug 14, 2025 | 18.43 | 18.95 | 16.80 | 18.62 | 18.62 | 0.32% | 525,600 |
| Aug 13, 2025 | 17.51 | 18.70 | 17.05 | 18.56 | 18.56 | 6.06% | 557,900 |