
UPB Market Capitalization Overview
Market Cap: $1.34B as of Oct 28, 2025
$1.34B
Past Month+$408.64M (43.92%)
As of Oct 28, 2025, UPB has a market capitalization of $1.34B. Over the past 30 days, its market cap has decreased by -8.05%, while in the last 12 months, it has increased by 51.98%.
Market capitalization represents the total value of Upstream Bio Inc as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
UPB Market Cap Formula = Stock Price * Shares Outstanding
The market cap of UPB helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of Upstream Bio Inc as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
UPB Market Cap Formula = Stock Price * Shares Outstanding
The market cap of UPB helps investors assess the company's size and compare it with competitors for better investment decisions.
UPB Market Cap & Key Trends
See Upstream Bio Inc’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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UPB Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| Oct 1, 2025 | $1.01B | -8.05% |
| Sep 2, 2025 | $1.10B | +30.65% |
| Aug 1, 2025 | $835.96M | +44.02% |
| Jul 1, 2025 | $580.44M | +1.22% |
| Jun 2, 2025 | $573.45M | +18.68% |
| May 1, 2025 | $483.20M | +34.45% |
| Apr 1, 2025 | $359.40M | -10.11% |
| Mar 3, 2025 | $399.84M | -24.87% |
| Feb 3, 2025 | $532.22M | -39.08% |
| Jan 2, 2025 | $873.63M | -21.33% |
UPB End of Year Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| 2025 | $1.34B | +51.98% |
| 2024 | $881.13M | — |
FAQs About Upstream Bio Inc (UPB) Market Cap
As of Oct 28, 2025, the market capitalization of UPB is $1.34B. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, Upstream Bio Inc’s market capitalization has increased by 43.92%, changing from $930.48M to $1.34B as of Oct 28, 2025.
In the last 3 months, Upstream Bio Inc’s market capitalization has increased by —, changing from – to – as of –.
In the year 2024, Upstream Bio Inc’s market capitalization increased from – in January to $881.13M in December, reflecting a — change.