Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States.
Ionis Pharmaceuticals stock last closed at $74.30, up 0.18% from the previous day, and has increased 93.54% in one year. It has overperformed other stocks in the Biotechnology industry by 1.14 percentage points. Ionis Pharmaceuticals stock is currently +210.23% from its 52-week low of $23.95, and -1.58% from its 52-week high of $75.49.
At the moment, there are 161.97M IONS shares outstanding. The market capitalization of IONS is $12.03B. In the past 24 hours, 2.4M IONS shares were traded.
How to Buy Ionis Pharmaceuticals Stock
Wondering how to invest in Ionis Pharmaceuticals stock? Here's how.
Figure out where to buy Ionis Pharmaceuticals stock: You need to decide on an online brokerage, but don't worry - we've sifted through dozens of online stock brokerages and apps to help you determine where to buy Ionis Pharmaceuticals stock.
Create a brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've identified.
Fund your brokerage account: Choose your method of payment and add your details.
Research Ionis Pharmaceuticals stock: The Ionis Pharmaceuticals ticker symbol is IONS. Is Ionis Pharmaceuticals stock a good investment? Should you buy shares of IONS? How do IONS's underlying business fundamentals look? Do top analysts think Ionis Pharmaceuticals is a good buy? Why has IONS's stock price moved recently? (Hint: Our stock market analysis website can help you figure out if IONS is a good stock to buy).
Execute your IONS buy order: Decide if you will purchase IONS shares at the current market price or use a limit order to purchase IONS stock at a specific price.
Get the latest news on your investment in IONS: Create a watchlist to the latest updates on your investment in Ionis Pharmaceuticals stock.
Step 1: Figure out where to buy Ionis Pharmaceuticals stock
You will need a brokerage account to access the NASDAQ market and buy IONS shares.
A brokerage account enables you to buy and sell a variety of investments, such as stocks, bonds, mutual funds, and ETFs.
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Step 2: Create a brokerage account
Now that you've picked your brokerage, the next step is to fill out some personal information so you can invest in IONS 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 Ionis Pharmaceuticals stock
Once you have decided on the best place to buy Ionis Pharmaceuticals stock, it's absolutely critical to evaluate their stock prior to investing, so you actually comprehend the risk and opportunity.
Ionis Pharmaceuticals quick stats
IONS Price
$74.30
1w %
4.85%
1y %
93.54%
5y %
58.86%
P/E
-46.15x
P/B
19.47x
P/S
12.28x
PEG
N/A
Revenue
$966.96M
Earnings
-$256.34M
Fore. Rev. Growth
10.51%
Fore. Earn. Growth
N/A
Market Cap
$12.03B
Next Earnings
N/A
Next Dividend
N/A
Ionis Pharmaceuticals Fundamentals
WallStreetZen was created to help average investors perform more accurate fundamental analysis quickly.
There are more short-term assets than long-term liabilities on the IONS balance sheet.
There are more short-term assets than short-term liabilities on the IONS balance sheet.
IONS has cash burn of 302662000. It has sufficient cash and short-term investments to cover this for at least one year.
IONS has $2.24B in cash and short term investments. This is sufficient to cover its annual cash burn of $302.66M.
Signs that IONS is not financially healthy:
IONS profit margin has gone up by 0.18 percentage points in the past year, but the company is still unprofitable.
IONS has a relatively high debt to equity ratio of 3.91.
Total IONS debt is higher than 5 years ago, relative to shareholder equity.
Do analysts think it's a good time to buy Ionis Pharmaceuticals stock
Out of 20 Equities analysts who track IONS, the consensus analyst rating on IONS is a Strong Buy
It's important to keep in mind that analyst ratings are not recommendations, nor are they financial advice.
Most Recent IONS Analyst Recommendations
Gary Nachman, a top 32% analyst from Raymond James reiterates IONS with a strong buy rating and raises their IONS price target from $85.00 to $89.00, on Oct 30, 2025.
Joseph Stringer, a top 2% analyst from Needham maintains IONS with a buy rating and raises their IONS price target from $78.00 to $90.00, on Oct 30, 2025.
Jay Olson, a top 4% analyst from Oppenheimer maintains IONS with a buy rating and raises their IONS price target from $84.00 to $90.00, on Oct 8, 2025.
Jessica Fye, a top 4% analyst from JP Morgan upgrades IONS to a strong buy rating and raises their IONS price target from $49.00 to $80.00, on Oct 8, 2025.
JP Morgan's Jessica Fye upgraded their rating on Ionis Pharmaceuticals (NASDAQ: IONS) from Hold to Strong Buy on 2025/10/08. The analyst also raised their price target by 63.3% from $49 to $80.
Fye backgrounded their upgrade of the stock and price target hike on Ionis Pharmaceuticals by arguing that its multiple launches have it on a path to breakeven and then profitability, supporting continued stock price outperformance.
The analyst detailed that they raised their estimates for olezarsen on the "strong" acute pancreatitis benefit, and broke out risk-adjusted credit for ION582 and zilganersen.
Paul Matteis, a top 25% analyst from Stifel Nicolaus maintains IONS with a hold rating and raises their IONS price target from $43.00 to $67.00, on Oct 6, 2025.
Last year, IONS revenue was $966.96M. Over the past 5 year, IONS's revenue has increased by 0.72% per year. This was slower than the Biotechnology industry average of 68.2%.
Are IONS executives and large shareholders buying or selling the stock?
In the last year, insiders at IONS have sold more shares than they have bought.
Shannon L. Devers, EVP Chief Human Resources Ofc of IONS, was the latest IONS insider to sell. They sold $92,983.32 worth of IONS shares on Oct 16, 2025.
No, Ionis Pharmaceuticals doesn't provide an income stream by paying out dividends.
IONS Social Trading Data
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Step 5: Execute your IONS buy order
You have two main types of orders:
Market order: A market order is an order to buy or sell a security at the best available price. Market orders are usually sufficient.
Limit order: A limit order is an order to buy or sell a security at a specific price (or better). If you want to be sure you're buying or selling at a specific price limit, use a limit order.
Click the Open button and eToro will place your order.
If you require more help investing in stocks on eToro, watch the how to video below:
How much does it cost to buy one Ionis Pharmaceuticals share?
As of Oct 31, 2025, it costs $74.30 to buy one share of Ionis Pharmaceuticals stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $10, you can buy 0.135 shares of IONS.
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.