Seres Therapeutics, Inc. , a microbiome therapeutics platform company, engages in developing bacterial consortia that are designed to functionally interact with host cells and tissues to treat disease.
Seres Therapeutics stock last closed at $9.00, down 3.54% from the previous day, and has decreased 40.41% in one year. It has underperformed other stocks in the Biotechnology industry by 0.01 percentage points. Seres Therapeutics stock is currently +37.83% from its 52-week low of $6.53, and -69.98% from its 52-week high of $29.98.
At the moment, there are 9.59M shares of MCRB outstanding. The market value of MCRB is $86.28M. In the past 24 hours, 34,300 MCRB shares were traded.
How to Buy Seres Therapeutics Stock
Wondering how to invest in Seres Therapeutics stock? Here's how.
Choose where to buy Seres Therapeutics stock: You need to choose an online brokerage, but don't worry - we've researched dozens of stock brokerages and apps to help you decide where to buy Seres Therapeutics stock.
Open a brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
Fund your investment account: Pick your method of payment and add your information.
Research Seres Therapeutics stock: The Seres Therapeutics ticker symbol is MCRB. Is Seres Therapeutics stock a good investment? Should you buy shares of MCRB? How do MCRB's underlying business fundamentals look? Do top analysts think Seres Therapeutics is a good buy? Why has MCRB's stock price moved recently? (Hint: Our stock research tools can help you decide if MCRB is a good stock to buy).
Execute your MCRB trade: Decide if you will purchase MCRB shares at the current market price or use a limit order to purchase MCRB stock at a given price.
Get the latest scoop on your MCRB position: Create a watchlist to watch your position in Seres Therapeutics stock.
Step 1: Choose where to buy Seres Therapeutics stock
You need a brokerage account to access the NASDAQ market and buy MCRB shares.
A brokerage account is an investment account that enables you to buy and sell a number of financial instruments, such as stocks, bonds, mutual funds, and ETFs.
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Buy other assets: Such as ETFs and cryptocurrencies.
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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 can buy MCRB 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 Seres Therapeutics stock
After you have identified the best place to buy Seres Therapeutics stock, it's important to evaluate their stock before you buy, so you actually wrap your head around the risk and upside.
Seres Therapeutics quick stats
MCRB Price
$9.00
1w %
5.88%
1y %
-40.41%
5y %
-97.52%
P/E
14.06x
P/B
1.95x
P/S
101.12x
PEG
N/A
Revenue
$789.00k
Earnings
$5.70M
Fore. Rev. Growth
-100%
Fore. Earn. Growth
N/A
Market Cap
$86.28M
Next Earnings
N/A
Next Dividend
N/A
MCRB Due Diligence Checks
WallStreetZen was created to help everyday investors do more accurate fundamental analysis.
Last year, MCRB revenue was $789.00k. In the last five year, MCRB's revenue has increased by -52.67% per year. This was slower than the Biotechnology industry average of 29.01%.
In the last year, insiders at MCRB have sold more shares than they have bought.
Thomas Desrosier, Chief Legal Officer EVP Co-Chief Executive Officer and Co-President of MCRB, was the latest MCRB insider to sell. They sold $660.66 worth of MCRB stock on Feb 15, 2026.
No, Seres Therapeutics doesn't provide an income stream by paying out dividends.
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Step 5: Execute your MCRB trade
You have two primary options:
Market order: A market order is an order to buy or sell a stock at the best possible price. Market orders are usually the easiest way to buy.
Limit order: A limit order lets you buy or sell a security at a specific price (or better). If you want to make sure you're buying or selling at an exact dollar amount, place a limit order.
Hit the Open button and your broker will place the order.
If you need additional help buying stocks on eToro, watch the how to video below:
How much does it cost to buy one Seres Therapeutics share?
As of Mar 27, 2026, it costs $9.00 to buy one share of Seres Therapeutics 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 0.444 shares of MCRB.
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.