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9.88
4.45%
-0.46
After Hours:
10.07
0.19
+1.92%
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 April 15, 2026, is $9.88.
- 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 92.22% to $9.88 now.
- The 52-week high stock price for UPB is $33.68, representing a 240.89% increase from the current share price, occurred on January 14, 2026.
- The 52-week low stock price for UPB is $7.25, indicating a -26.62% decrease from the current share price, occurred on March 03, 2026.
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 |
|---|---|---|---|---|---|
| Apr 15, 2026 | $10.52 | $9.79 | $0.73 | 552,120.0 | -4.45% |
| Apr 14, 2026 | $10.45 | $10.08 | $0.3728 | 645,890.0 | +1.08% |
| Apr 13, 2026 | $10.61 | $10.09 | $0.515 | 412,545.0 | -2.48% |
| Apr 10, 2026 | $10.67 | $10.34 | $0.3326 | 733,120.0 | +0.67% |
| Apr 09, 2026 | $10.49 | $9.63 | $0.86 | 812,951.0 | +5.89% |
| Apr 08, 2026 | $10.00 | $9.45 | $0.5481 | 474,283.0 | +1.44% |
| Apr 07, 2026 | $9.71 | $9.31 | $0.395 | 316,820.0 | -0.21% |
| Apr 06, 2026 | $9.89 | $9.36 | $0.5261 | 502,189.0 | +2.32% |
| Apr 02, 2026 | $9.64 | $8.96 | $0.675 | 537,598.0 | +2.04% |
| Apr 01, 2026 | $9.35 | $8.96 | $0.39 | 848,430.0 | +3.44% |
| Mar 31, 2026 | $9.17 | $8.82 | $0.35 | 967,170.0 | +2.51% |
| Mar 30, 2026 | $8.78 | $8.29 | $0.49 | 863,154.0 | +1.27% |
| Mar 27, 2026 | $9.15 | $8.10 | $1.05 | 939,762.0 | -11.44% |
| Mar 26, 2026 | $10.43 | $9.38 | $1.05 | 876,224.0 | +3.38% |
| Mar 25, 2026 | $9.57 | $8.67 | $0.90 | 672,976.0 | +12.07% |
| Mar 24, 2026 | $8.62 | $8.12 | $0.50 | 699,709.0 | +0.00% |
| Mar 23, 2026 | $9.03 | $8.43 | $0.5998 | 743,272.0 | -2.54% |
| Mar 20, 2026 | $8.68 | $8.16 | $0.5167 | 3,024,457.0 | +3.46% |
| Mar 19, 2026 | $8.63 | $8.23 | $0.3997 | 733,893.0 | -3.29% |
| Mar 18, 2026 | $9.70 | $8.65 | $1.04 | 719,466.0 | -10.76% |
| Mar 17, 2026 | $9.90 | $9.17 | $0.73 | 914,704.0 | +1.04% |
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 |
|---|---|---|---|---|---|
| Apr, 2026 | $10.67 | $8.96 | $1.71 | 6,388,066.0 | +9.78% |
| Mar, 2026 | $10.43 | $7.25 | $3.18 | 22,603,021.0 | +17.19% |
| Feb, 2026 | $32.38 | $7.62 | $24.76 | 44,951,937.0 | -75.29% |
| 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% |
2.69%
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