Upstream Bio, Inc. , a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders.
Upstream Bio stock last closed at $9.26, up 3.12% from the previous day, and has decreased N/A in one year. It has underperformed other stocks in the Biotechnology industry by N/A percentage points. Upstream Bio stock is currently +80.16% from its 52-week low of $5.14, and -68.57% from its 52-week high of $29.46.
At the moment, there are 53.64M shares of UPB outstanding. The market capitalization of UPB is $496.71M. In the last 24 hours, 189,688 UPB shares were traded.
How to Buy Upstream Bio Stock
Wondering how to invest in Upstream Bio stock? Here's how.
Figure out where to buy Upstream Bio stock: You need to pick an online brokerage, but don't worry - we've analyzed dozens of online stock brokerages and apps to help you determine where to buy Upstream Bio stock.
Open a brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've selected.
Deposit funds into your investment account: Choose your method of payment and add your details.
Research Upstream Bio stock: The Upstream Bio ticker symbol is UPB. Is Upstream Bio stock a good investment? Should you buy shares of UPB? How do UPB's underlying business fundamentals look? Do top analysts think Upstream Bio is a good buy? Why has UPB's stock price moved recently? (Hint: Our stock market analysis website can help you figure out if UPB is a good stock to buy).
Execute your UPB trade: Decide if you will purchase UPB shares at the current market price or use a limit order to purchase UPB shares at a given price.
Keep an eye on your investment in UPB: Create a watchlist to keep track of your new investment in Upstream Bio shares.
Step 1: Figure out where to buy Upstream Bio stock
You need an online brokerage account to access the NASDAQ market and buy UPB shares.
A brokerage account is an investment account that enables you to buy and sell a variety of investments, including stocks, bonds, mutual funds, and ETFs.
Our preferred brokerage: eToro
In our opinion, eToro is the best place to buy stocks. eToro gives you:
Invest in stocks with zero commissions: Invest without paying trading commissions.
Buy fractional shares: Even if you don't have the money to buy a full share, you can still buy the stock.
Access to world financial markets: From Technology to Financial Services, New York to Hong Kong (for US users, only US stocks are available) — you can fill your portfolio with stocks from the globe's top exchanges.
Social investing: eToro boasts a community of more than 20 million users around the world. Talk to, learn from, and copy the crypto trades of other investors.
Security: eToro is a regulated and licensed brokerage platform.
Buy other assets: Such as ETFs and cryptos.
Get $10 towards your purchase of shares by opening an account with eToro now. This offer is only for US users.
eToro securities trading is offered by eToro USA Securities, Inc. (“the BD”), member of FINRA and SIPC. Cryptocurrency is offered by eToro USA LLC (“the MSB”) (NMLS: 1769299) and is not FDIC or SIPC insured. Investing involves risk, and content is provided for educational purposes only, does not imply a recommendation, and is not a guarantee of future performance. https://www.wallstreetzen.com is not an affiliate and may be compensated if you access certain products or services offered by the MSB and/or the BD.
Step 2: Open a brokerage account
Now that you've picked the right brokerage, you'll need to fill out some personal details so you are able to buy UPB today.
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
Step 4: Research Upstream Bio stock
Once you have decided on the best place to buy Upstream Bio stock, it's critical to research their stock before you buy, so you actually comprehend the risk and opportunity.
Upstream Bio quick stats
UPB Price
$9.26
1w %
5.11%
1y %
N/A
5y %
N/A
P/E
-1.66x
P/B
1.06x
P/S
53.53x
PEG
N/A
Revenue
$2.37M
Earnings
-$76.40M
Fore. Rev. Growth
17.09%
Fore. Earn. Growth
N/A
Market Cap
$496.71M
Next Earnings
N/A
Next Dividend
N/A
Upstream Bio Due Diligence Score
WallStreetZen was built to help average investors do better fundamental analysis.
You can see all of the due diligence checks on UPB's stock page.
Is UPB stock overvalued?
You can use many financial metrics, analyses, models, and charts to gauge UPB's fair value.
Using relative valuations methods:
UPB could be undervalued based on its P/B ratio of 1.06x, relative to Biotechnology industry P/B ratio of 4.45x
Last year, UPB revenue was $2.37M. During the last two year, UPB's revenue has gone up by 39.84% per year. This was slower than the Biotechnology industry average of 45.66%.
No, Upstream Bio doesn't provide an income stream by paying out dividends.
What others are saying about UPB
One of the reasons eToro is our favorite brokerage is because of its social trading community.
Click below to learn what other traders have to say.
Step 5: Execute your UPB trade
There are two main options:
Market order: A market order is an order to buy or sell a security at the best available price. Market orders are usually the best for newer investors.
Limit order: A limit order enables you to buy or sell a stock at a specific price (or better). If you want to be certain you're buying or selling at a particular dollar amount limit, use a limit order.
Click the Open Trade button and your broker will place the order.
If you require more assistance buying stocks on eToro, click the helpful video below:
How much does it cost to buy one Upstream Bio share?
As of Apr 30, 2025, it costs $9.26 to buy one share of Upstream Bio stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $4, you can buy 0.432 shares of UPB.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.