Upstream Bio, Inc.

What is Upstream Bio, Inc. (UPB) stock price today?

As of Dec 15, 2025, 7:29 PM UTC, Upstream Bio, Inc. (UPB) stock is trading at $27.47. The stock price is quoted in USD and refreshes in real-time throughout the trading day. AlphaPilot provides live market data powered by Financial Modeling Prep's institutional-grade API, ensuring you get accurate and up-to-date UPB stock quotes for informed trading decisions.

What is Upstream Bio, Inc.'s market capitalization?

Upstream Bio, Inc. (UPB) has a market capitalization of approximately $1.5B. Market cap is calculated by multiplying the current share price by the total number of outstanding shares. This valuation metric helps investors compare Upstream Bio, Inc.'s size relative to other companies in the USD market. The market cap figure updates automatically as the UPB stock price changes.

What is the 52-week range for Upstream Bio, Inc. stock?

Upstream Bio, Inc. (UPB) stock has traded in a 52-week range of $5.14 — $33.00. The 52-week range shows the highest and lowest prices at which UPB traded over the past year, helping investors assess price volatility and identify potential support and resistance levels. Comparing the current Upstream Bio, Inc. stock price to this range provides context for recent price action.

How much trading volume does Upstream Bio, Inc. stock have?

Upstream Bio, Inc. (UPB) stock recently traded approximately 479.3K shares. Trading volume indicates market liquidity and investor interest in UPB. Higher volume typically suggests active participation and can signal important price movements or news catalysts affecting Upstream Bio, Inc. stock.

Does Upstream Bio, Inc. pay dividends to shareholders?

Yes, Upstream Bio, Inc. (UPB) currently offers a dividend yield of approximately 0%. Dividend yield is calculated by dividing the company's annual dividend payments by the current stock price, expressed as a percentage. This metric helps income-focused investors evaluate Upstream Bio, Inc. stock's potential for generating passive income. Dividend data reflects the trailing twelve months (TTM) of distributions.

What is Upstream Bio, Inc.'s intraday price range?

Today, Upstream Bio, Inc. (UPB) stock has traded in a range of $26.68 — $27.95. The intraday range represents the lowest and highest prices reached during the current trading session. Monitoring UPB's intraday volatility helps traders identify entry and exit points, while comparing it to the 52-week range provides perspective on short-term versus long-term price movements.

Where does AlphaPilot get Upstream Bio, Inc. stock data?

AlphaPilot sources real-time UPB stock quotes, fundamental financial data, and historical price charts for Upstream Bio, Inc. from Financial Modeling Prep's institutional-grade API. This enterprise data feed provides live market prices during trading hours, along with comprehensive fundamentals that update after each earnings release, SEC filing, or corporate action. The Upstream Bio, Inc. stock summary page combines intraday price movements with key metrics like P/E ratio, market cap, dividend yield, and balance sheet data to give investors a complete view of UPB stock performance.