Omeros Corporation, a commercial-stage biopharmaceutical company, discovers, develops, and commercializes small-molecule and protein therapeutics, and orphan indications targeting inflammation, complement-mediated diseases, cancers related to dysfunction of the immune system, and addictive and compulsive disorders.
Omeros stock last closed at $10.56, up 7.65% from the previous day, and has increased 28.47% in one year. It has overperformed other stocks in the Biotechnology industry by 0.57 percentage points. Omeros stock is currently +257.97% from its 52-week low of $2.95, and -40.17% from its 52-week high of $17.65.
There are currently 72M OMER shares outstanding. The market cap of OMER is $760.28M. In the past 24 hours, 1.79M OMER shares were traded.
How to Buy Omeros Stock
Not sure how to invest in Omeros stock? Here's how.
Decide where to buy Omeros stock: You need to choose an online brokerage, but don't worry - we've tried dozens of online brokerages and apps to help you choose where to buy Omeros stock.
Open a brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've found.
Deposit funds into your investment account: Choose your method of payment and add your information.
Evaluate Omeros stock: The Omeros ticker symbol is OMER. Is Omeros stock a good investment? Should you buy shares of OMER? How do OMER's underlying business fundamentals look? Do top analysts think Omeros is a good buy? Why has OMER's stock price moved recently? (Hint: Our stock analysis website can help you evaluate if OMER is a good stock to buy).
Make your OMER buy order: Decide if you will purchase OMER shares at the current market price or use a limit order to purchase OMER stock at a particular price.
Get the latest news on your OMER position: Create a watchlist to keep tabs on your new investment in Omeros stock.
Step 1: Decide where to buy Omeros stock
You need an online brokerage account in order to access the NASDAQ market and buy OMER stock.
A brokerage account allows you to buy and sell a number of investments, including stocks, bonds, mutual funds, and ETFs.
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Step 2: Open a brokerage account
Now that you've selected the best brokerage, you'll need to fill out some personal details so you can invest in OMER stock 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: Evaluate Omeros stock
After you have chosen the best place to buy Omeros stock, it's absolutely critical to analyze their stock prior to buying, so you can wrap your head around the risk as well as the upside.
Overview of key OMER info
OMER Price
$10.56
1w %
3.73%
1y %
28.47%
5y %
-40.67%
P/E
-211.2x
P/B
-6.27x
P/S
N/A
PEG
N/A
Revenue
$0.00
Earnings
-$3.35M
Fore. Rev. Growth
N/A
Fore. Earn. Growth
N/A
Market Cap
$760.28M
Next Earnings
May 20, 2026
Next Dividend
N/A
OMER Due Diligence Checks
WallStreetZen was built to help part-time investors perform more in-depth fundamental analysis quickly.
In the past year, insiders at OMER have bought more shares than they have sold.
Gregory A. Md Demopulos, Chairman CEO President of OMER, was the latest OMER insider to buy. They bought $4,108,000.00 worth of OMER shares on Feb 18, 2026.
No, Omeros doesn't provide an income stream by paying out dividends.
What others are saying about OMER
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Step 5: Make your OMER buy order
You have two primary order types:
Market order: A market order is an order to buy or sell a stock at the best possible price. Market orders are mostly fine for most investors.
Limit order: A limit order enables you to buy or sell a security at a specific price (or better). If you want to make sure you're buying or selling at a given price limit, use a limit order.
Hit the Open button and your broker will execute your order.
If you need additional help investing in stocks on eToro, watch the how to video below:
As of Mar 31, 2026, it costs $10.56 to buy one share of Omeros stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $5, you can buy 0.473 shares of OMER.
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.