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12.80
12.87%
-1.89
After Hours:
12.54
-0.26
-2.03%
Upstream Bio Inc Stock (UPB) Price History
The historical daily chart and data for Upstream Bio Inc stock (UPB), show that the latest closing stock price as of February 12, 2026, is $12.80.
- Upstream Bio Inc all-time high stock price is $33.68, occurred on January 14, 2026.
- The lowest Upstream Bio Inc stock price recorded was $5.14 on April 09, 2025. Since then, Upstream Bio Inc's stock price has risen over 149.03% to $12.80 now.
- The 52-week high stock price for UPB is $33.68, representing a 163.12% increase from the current share price, occurred on January 14, 2026.
- The 52-week low stock price for UPB is $5.14, indicating a -59.84% decrease from the current share price, occurred on April 09, 2025.
The table below shows more information about UPB historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Feb 12, 2026 | $14.86 | $12.75 | $2.11 | 3,873,846.0 | -12.87% |
| Feb 11, 2026 | $20.01 | $12.65 | $7.36 | 8,839,206.0 | -47.18% |
| Feb 10, 2026 | $28.57 | $25.93 | $2.64 | 814,101.0 | +6.47% |
| Feb 09, 2026 | $26.24 | $25.16 | $1.08 | 488,678.0 | -0.31% |
| Feb 06, 2026 | $27.98 | $25.94 | $2.04 | 517,858.0 | +0.77% |
| Feb 05, 2026 | $30.31 | $25.87 | $4.44 | 619,272.0 | -11.50% |
| Feb 04, 2026 | $30.88 | $28.34 | $2.54 | 610,438.0 | -4.58% |
| Feb 03, 2026 | $31.05 | $29.82 | $1.23 | 457,027.0 | +2.84% |
| Feb 02, 2026 | $32.38 | $29.64 | $2.74 | 783,087.0 | -3.67% |
| Jan 30, 2026 | $31.37 | $29.71 | $1.66 | 667,528.0 | +0.45% |
| Jan 29, 2026 | $31.11 | $29.61 | $1.50 | 459,600.0 | +1.68% |
| Jan 28, 2026 | $32.50 | $29.99 | $2.51 | 657,688.0 | -6.37% |
| Jan 27, 2026 | $32.83 | $30.13 | $2.70 | 1,068,844.0 | +7.76% |
| Jan 26, 2026 | $30.91 | $29.76 | $1.15 | 545,735.0 | +0.47% |
| Jan 23, 2026 | $31.62 | $29.82 | $1.80 | 370,983.0 | -5.57% |
| Jan 22, 2026 | $32.52 | $31.70 | $0.8159 | 402,450.0 | +0.63% |
| Jan 21, 2026 | $32.14 | $30.31 | $1.83 | 468,366.0 | +1.90% |
| Jan 20, 2026 | $31.52 | $29.08 | $2.44 | 773,856.0 | +0.00% |
| Jan 16, 2026 | $31.64 | $29.80 | $1.84 | 417,532.0 | +0.32% |
| Jan 15, 2026 | $32.42 | $30.74 | $1.68 | 705,397.0 | -4.33% |
| Jan 14, 2026 | $33.68 | $31.95 | $1.73 | 620,963.0 | -0.92% |
Upstream Bio Inc Stock (UPB) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Upstream Bio Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of UPB shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Upstream Bio Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Upstream Bio Inc Stock (UPB) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Feb, 2026 | $32.38 | $12.65 | $19.73 | 20,877,359.0 | -58.82% |
| Jan, 2026 | $33.68 | $25.00 | $8.68 | 12,435,765.0 | +14.48% |
Upstream Bio Inc Stock (UPB) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $30.89 | $24.61 | $6.28 | 12,118,113.0 | -4.48% |
| Nov, 2025 | $33.00 | $21.98 | $11.02 | 8,784,413.0 | +10.64% |
| Oct, 2025 | $26.90 | $18.05 | $8.85 | 8,125,871.0 | +37.43% |
| Sep, 2025 | $21.03 | $15.55 | $5.48 | 12,893,529.0 | +9.81% |
| Aug, 2025 | $19.37 | $14.21 | $5.16 | 9,057,642.0 | +11.89% |
| Jul, 2025 | $16.15 | $10.54 | $5.61 | 8,863,349.0 | +39.44% |
| Jun, 2025 | $12.10 | $9.25 | $2.85 | 10,827,671.0 | +18.96% |
| May, 2025 | $9.90 | $7.79 | $2.11 | 8,016,902.0 | -0.32% |
| Apr, 2025 | $10.50 | $5.14 | $5.36 | 6,329,494.0 | +51.31% |
| Mar, 2025 | $10.08 | $6.12 | $3.96 | 5,002,930.0 | -22.82% |
| Feb, 2025 | $10.65 | $6.65 | $4.00 | 4,866,797.0 | -26.37% |
| Jan, 2025 | $18.95 | $9.29 | $9.66 | 4,964,040.0 | -34.49% |
Upstream Bio Inc Stock (UPB) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $24.98 | $14.97 | $10.01 | 8,803,116.0 | -21.72% |
| Nov, 2024 | $29.46 | $17.09 | $12.37 | 4,900,376.0 | -11.81% |
| Oct, 2024 | $27.68 | $20.74 | $6.94 | 4,827,709.0 | +0.00% |
1.24%
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