How to Buy Sionna Therapeutics Stock

Sionna Therapeutics Inc

Sionna Therapeutics, Inc. is a biopharmaceutical company. The Company provides treatment paradigm for cystic fibrosis patients by developing medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator.

Sionna Therapeutics stock last closed at $16.38, down 3.59% 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. Sionna Therapeutics stock is currently +125.78% from its 52-week low of $7.26, and -34.97% from its 52-week high of $25.19.

As of Jun 13, 2025, there are 44.12M SION shares outstanding. The market value of SION is $722.76M. In the past 24 hours, 101,000 SION shares were traded.

How to Buy Sionna Therapeutics Stock

Wondering how to invest in Sionna Therapeutics stock? Here's how.

  1. Decide where to buy Sionna Therapeutics stock: You need to decide on a stock brokerage, but don't worry - we've sifted through dozens of online stock brokerages and apps to help you decide where to buy Sionna Therapeutics stock.
  2. Create a brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
  3. Put funds into your brokerage account: Select your method of payment and add your info.
  4. Evaluate Sionna Therapeutics stock: The Sionna Therapeutics ticker symbol is SION. Is Sionna Therapeutics stock a good investment? Should you buy shares of SION? How do SION's underlying business fundamentals look? Do top analysts think Sionna Therapeutics is a good buy? Why has SION's stock price moved recently? (Hint: Our stock research website can help you understand if SION is a good stock to buy).
  5. Make your SION trade: Decide if you will purchase SION shares at the current market price or use a limit order to buy SION stock at a given price.
  6. Watch your SION position: Create a watchlist to important notifications about your new investment in Sionna Therapeutics stock.

Step 1: Decide where to buy Sionna Therapeutics stock

You will need a brokerage account in order to access the NASDAQ market and buy SION shares.

A brokerage account is an investment account that allows you to buy and sell a number of investments, such as stocks, bonds, mutual funds, and ETFs.

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Step 2: Create a brokerage account

Now that you've chosen your brokerage, you need to fill out some personal info so you are able to invest in SION today.

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  2. Provide your personal data to start your new trading account.
  1. Submit your information by hitting the "Create Account" button.
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Step 3: Put funds into your brokerage account

Now that you've filled out your info on the best stock app to use, your next step is to transfer the money for your investment:

Watch the video below if you need help transferring funds into your investment account.

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Step 4: Evaluate Sionna Therapeutics stock

Once you have selected the best place to buy Sionna Therapeutics stock, it's important to evaluate their stock prior to investing, so you actually comprehend the risk and opportunity.

Sionna Therapeutics stock at a glance

SION Price
$16.38
1w %
-4.88%
1y %
N/A
5y %
N/A
P/E
N/A
P/B
2.05x
P/S
N/A
PEG
N/A
Revenue
N/A
Earnings
N/A
Fore. Rev. Growth
N/A
Fore. Earn. Growth
N/A
Market Cap
$722.76M
Next Earnings
N/A
Next Dividend
N/A

Sionna Therapeutics Due Diligence Checks

WallStreetZen was built to help everyday investors perform more accurate fundamental analysis in minutes instead of hours.

You can view all of the due diligence checks on SION's stock page.

Is SION stock properly valued?

Investors use a variety of different financial metrics, analyses, models, and charts to gauge SION's true value.

Using relative valuations ratios:

  • SION may be undervalued based on its P/B ratio of 2.05x, relative to Biotechnology industry P/B ratio of 4.66x

You can access additional valuation analysis on SION's stock here.

A look at SION Cashflows and Balance Sheet

Positive Health Checks:

  • SION has a low debt to equity ratio of 0.05.
  • There are more short-term assets than short-term liabilities on the SION balance sheet.
  • There are more short-term assets than long-term liabilities on the SION balance sheet.

Is Sionna Therapeutics stock a Buy, Hold, or Sell, according to Wall Street analysts?

Out of 1 Equities analysts who give forecasts on SION, the consensus analyst rating on Sionna Therapeutics is a Strong Buy

Please note that analyst forecasts are not recommendations, nor are they financial advice.

You can dig deeper into what analysts are saying on the Sionna Therapeutics stock forecast page.

Metrics for Advanced SION Traders

SMA10
16.29
SMA20
14.88
SMA50
12.8
SMA100
N/A
SMA200
N/A
MACD
1.16
MACD Signal
0.95
MACD Histogram
0.21
RSI
58.52
Stochastic %K
69.09
Stochastic %D
78.31
StochRSI %K
58.5
StochRSI %D
72.1

What are SION executives and large shareholders up to?

In the past 12 months, executives and large shareholders at SION have bought more shares than they have sold.

Atlas Venture Fund XI LP, 10% Owner of SION, was the latest SION insider to buy. They bought $1,080,000.00 worth of SION shares on Feb 10, 2025.

Dig into more about who owns SION stock here.

Can I get consistent income from SION stock?

No, Sionna Therapeutics doesn't provide an income stream by paying out dividends.

What others are saying about SION

One of the major reasons eToro is our top-rated brokerage is because of its social trading community.

Click below to see what other community members have to say.

Step 5: Make your SION trade

There are two primary options:

  • Market order: A market order is an order to buy or sell a stock 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 make sure you're buying or selling at a specific dollar amount, place a limit order.

Press the Open Trade button and eToro will execute the order.

If you require more help with investing in stocks on eToro, click the helpful video below:

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Step 6: Watch your SION position

Now that you own some shares in SION, you'll want to stay up-to-date on your investment.

Make a watchlist to track your SION stock.

SION Feed

How to Buy Stock in Sionna Therapeutics

To reiterate, here are the 6 steps to buy stock in Sionna Therapeutics:

  1. Decide where to buy Sionna Therapeutics stock
  2. Create a brokerage account
  3. Put funds into your brokerage account
  4. Evaluate Sionna Therapeutics stock
  5. Make your SION trade
  6. Watch your SION position

If you need a brokerage, eToro is our recommended option.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

If you would like to get updates on your new investment in Sionna Therapeutics, create your watchlist below.

NASDAQ: SION
$16.38-0.61 (-3.59%)
Updated Jun 13, 2025
Open eToro Account
Your capital is at risk.
NASDAQ: SION
$16.38-0.61 (-3.59%)
Updated Jun 13, 2025
Open eToro Account
Your capital is at risk.

FAQ

How much does it cost to buy one Sionna Therapeutics share?

As of Jun 13, 2025, it costs $16.38 to buy one share of Sionna Therapeutics stock.

Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $8, you can buy 0.488 shares of SION.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Is now a good time to buy Sionna Therapeutics stock?

According to 1 Wall Street analysts who monitor Sionna Therapeutics, their consensus recommendation is to buy Sionna Therapeutics stock.

What is the best way to buy Sionna Therapeutics stock?

One way to place an order for Sionna Therapeutics stock is with a brokerage account.
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.