Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It develops verekitug, the only known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin. The company was founded in April 2021 and is headquartered in Waltham, MA.
Sector:
Health Technology
Industry:
Biotechnology
Employees:
52
Frequently Asked Questions
What is Market Cap of Upstream Bio Inc.?
Market cap, also known as market capitalization, is the total market value of a company. It’s calculated by multiplying the current market price by the total number of shares outstanding. Upstream Bio Inc. market cap is $897.59M.
What is the 52-week high for Upstream Bio Inc.?
52 week high is the highest price of a stock in the past 52 weeks, or one year. Upstream Bio Inc. 52 week high is $29.46 as of September 24, 2025.
What is the 52-week low for Upstream Bio Inc.?
52 week low is the lowest price of a stock in the past 52 weeks, or one year. Upstream Bio Inc. 52 week low is $5.14 as of September 24, 2025.
What is Upstream Bio Inc. stock price today?
Upstream Bio Inc. stock price today is $16.28.
What was Upstream Bio Inc. stock price yesterday?
Upstream Bio Inc. stock price yesterday was $16.65.
What is the PE ratio of Upstream Bio Inc.?
The Price-to-Earnings (or P/E) ratio is a commonly used tool for valuing a company. It’s calculated by dividing the current share price by the earnings per share (or EPS). It can also be calculated by dividing the company’s Market Cap by the Net Profit. Upstream Bio Inc.’s P/E ratio is -8.12.
What is the Price-to-Book ratio of Upstream Bio Inc.?
The Price-to-Book (P/B) ratio is a commonly used tool for valuing a company. It’s calculated by dividing a company’s market capitalization by its book value. Upstream Bio Inc. P/B ratio is 2.1914.
What is the 50-day moving average of Upstream Bio Inc.?
The 50-day moving average is a frequently used data point by active investors and traders to understand the trend of a stock. It’s calculated by averaging the closing stock price over the previous 50 trading days. Upstream Bio Inc. 50-day moving average is $16.03.