Upstream Bio, Inc. Share Price
NASDAQ: UPB | Small CapUpstream Bio, Inc. Stock Performance
Open $6.80 | Prev. Close $6.75 | Circuit Range N/A |
Day Range $6.68 - $7.11 | Year Range $5.86 - $33.58 | Volume 25,177 |
Average Traded $6.83 |
Upstream Bio, Inc. Share Price Today
As of 9 August 2026, Upstream Bio, Inc.'s share price is $6.88. The stock opened at $6.80, compared to its previous close of $6.75. During today's trading session, Upstream Bio, Inc.'s share price traded between $6.68 and $7.11, with an average price of $6.89. Over the past 52 weeks, the stock has recorded a high of $33.58 and a low of $5.86. In terms of performance, Upstream Bio, Inc.'s share price has declined by 10.60% over the last six months and is down 59.85% on a year-on-year basis.
Upstream Bio, Inc. Share Price Chart
Upstream Bio, Inc. Stock Fundamentals & Key Indicators
Market Cap $370.24M | PE Ratio (TTM) -2.58 | Dividend Yield N/A |
EPS (TTM) $-2.66 | Revenue (TTM) $2.85M | Return On Equity (TTM) -42.22% |
Profit Margin -5026.03% | Debt to Equity 0.04 | Quarterly Earnings Growth YoY -111.03% |
Upstream Bio, Inc. Quarterly Profit & Loss
All figures in USD
Upstream Bio, Inc. Annual Profit & Loss
All figures in USD
About Upstream Bio, Inc.
Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. Its product candidate includes verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, as well as in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.
Upstream Bio, Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Aug 2026 | $6.25 | $6.75 | +7.39% |
Jul 2026 | $6.95 | $6.29 | -9.04% |
Jun 2026 | $8.31 | $6.92 | -17.24% |
May 2026 | $9.21 | $8.36 | -8.89% |
Apr 2026 | $9.22 | $9.17 | +2.23% |
Mar 2026 | $7.58 | $8.97 | +16.64% |
Feb 2026 | $31.66 | $7.69 | -75.25% |
Jan 2026 | $27.09 | $31.07 | +14.29% |
Dec 2025 | $28.32 | $27.18 | -4.71% |
Nov 2025 | $25.84 | $28.53 | +10.41% |
Oct 2025 | $18.61 | $25.84 | +37.37% |
Sep 2025 | $17.34 | $18.81 | +9.84% |
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