Upstream Bio, Inc. (UPB)
NASDAQ: UPB · Real-Time Price · USD
2.750
+0.010 (0.36%)
Oct 26, 2026, 4:00 PM EDT - Market closed
Upstream Bio Market Cap
Upstream Bio has a market cap or net worth of $150.62 million as of October 26, 2026. It is the 22,407th most valuable company in the world and the 3,785th biggest in the United States. Its market cap has decreased by 87.22% in one year.
Market Cap
150.62M
Enterprise Value
-109.73M
1-Year Change
-87.22%
Global Rank
Country Rank
#3,785 United States
Category
ChartMarket Cap Chart
Since the IPO on October 11, 2024, Upstream Bio's market cap has decreased from $393.35M to $150.62M, a decrease of -61.71%. That is a compound annual growth rate of -37.52%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 26, 2026 | 150.62M | -89.73% |
| Dec 31, 2025 | 1.47B | 66.51% |
| Dec 31, 2024 | 881.13M | 124.01% |
| Oct 11, 2024 | 393.35M | - |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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