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28.18
0.74%
0.095
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 January 08, 2026, is $28.18.
- Upstream Bio Inc all-time high stock price is $33.00, occurred on November 26, 2025.
- 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 448.15% to $28.18 now.
- The 52-week high stock price for UPB is $33.00, representing a 17.13% increase from the current share price, occurred on November 26, 2025.
- The 52-week low stock price for UPB is $5.14, indicating a -81.76% 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 |
|---|---|---|---|---|---|
| Jan 08, 2026 | $28.43 | $27.41 | $1.02 | 76,956.0 | +0.27% |
| Jan 07, 2026 | $28.16 | $26.08 | $2.08 | 700,314.0 | +8.54% |
| Jan 06, 2026 | $26.52 | $25.00 | $1.52 | 452,815.0 | -1.00% |
| Jan 05, 2026 | $27.39 | $25.25 | $2.14 | 689,796.0 | -3.47% |
| Jan 02, 2026 | $28.01 | $26.72 | $1.29 | 586,434.0 | -0.29% |
| Dec 31, 2025 | $27.58 | $26.86 | $0.72 | 517,806.0 | -0.62% |
| Dec 30, 2025 | $28.77 | $26.86 | $1.91 | 831,473.0 | -5.24% |
| Dec 29, 2025 | $29.92 | $28.70 | $1.22 | 238,117.0 | -2.20% |
| Dec 26, 2025 | $30.11 | $29.10 | $1.01 | 228,013.0 | -2.61% |
| Dec 24, 2025 | $30.76 | $29.60 | $1.16 | 266,481.0 | +3.63% |
| Dec 23, 2025 | $30.76 | $29.05 | $1.71 | 347,234.0 | -4.01% |
| Dec 22, 2025 | $30.89 | $29.00 | $1.89 | 701,354.0 | +3.68% |
| Dec 19, 2025 | $30.56 | $29.19 | $1.37 | 1,463,043.0 | -1.71% |
| Dec 18, 2025 | $30.27 | $28.36 | $1.91 | 795,736.0 | +5.40% |
| Dec 17, 2025 | $29.95 | $28.15 | $1.80 | 439,061.0 | -3.38% |
| Dec 16, 2025 | $29.73 | $26.03 | $3.70 | 931,884.0 | +7.79% |
| Dec 15, 2025 | $27.95 | $26.68 | $1.27 | 1,173,464.0 | +0.22% |
| Dec 12, 2025 | $28.25 | $26.78 | $1.47 | 305,420.0 | -1.20% |
| Dec 11, 2025 | $29.51 | $27.16 | $2.35 | 661,668.0 | -4.19% |
| Dec 10, 2025 | $29.55 | $27.93 | $1.62 | 342,253.0 | +1.08% |
| Dec 09, 2025 | $29.17 | $27.99 | $1.18 | 403,412.0 | -2.09% |
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 |
|---|---|---|---|---|---|
| Jan, 2026 | $28.43 | $25.00 | $3.43 | 2,506,315.0 | +3.70% |
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% |
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