How to Buy Greenwich Lifesciences Stock

Greenwich Lifesciences Inc

Greenwich LifeSciences, Inc. , a clinical stage biopharmaceutical company, focuses on the development of novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers.

Greenwich Lifesciences stock last closed at $9.15, down 2.97% from the previous day, and has decreased 35.34% in one year. It has underperformed other stocks in the Biotechnology industry by 0.1 percentage points. Greenwich Lifesciences stock is currently +13.52% from its 52-week low of $8.06, and -40.85% from its 52-week high of $15.47.

At the moment, there are 13.63M GLSI shares outstanding. The market value of GLSI is $124.72M. In the past 24 hours, 46,400 GLSI shares were traded.

How to Buy Greenwich Lifesciences Stock

Wondering how to invest in Greenwich Lifesciences stock? Here's how.

  1. Figure out where to buy Greenwich Lifesciences stock: You need to pick an online brokerage, but don't worry - we've researched dozens of online brokerages and apps to help you choose where to buy Greenwich Lifesciences stock.
  2. Sign up for your brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've selected.
  3. Fund your brokerage account: Select your method of payment and add your details.
  4. Evaluate Greenwich Lifesciences stock: The Greenwich Lifesciences ticker symbol is GLSI. Is Greenwich Lifesciences stock a good investment? Should you buy shares of GLSI? How do GLSI's underlying business fundamentals look? Do top analysts think Greenwich Lifesciences is a good buy? Why has GLSI's stock price moved recently? (Hint: Our stock market analysis tools can help you evaluate if GLSI is a good stock to buy).
  5. Execute your GLSI trade: Decide if you will purchase GLSI shares at the current market price or use a limit order to purchase GLSI stock at a particular price.
  6. Watch your investment in GLSI: Create a watchlist to track your new investment in Greenwich Lifesciences stock.

Step 1: Figure out where to buy Greenwich Lifesciences stock

You will need an online brokerage account in order to access the NASDAQ market and buy GLSI stock.

A brokerage account allows you to buy and sell a variety of investments, including stocks, bonds, mutual funds, and ETFs.

Our recommended brokerage: eToro

Based on our experience, eToro is the best stock brokerage. Here's why:

  • You can invest in stocks with zero commissions: Invest without commissions.
  • Buy fractional shares: Even if you can't afford a full share, you can still purchase the stock.
  • Access to global markets: From Technology to Industrials, New York to Tokyo (for US users, only US stocks are available) — you can fill your portfolio with stocks from the globe's top stock exchanges.
  • Social investing: eToro offers a community of more than 20 million users around the world. Talk to, learn from, and copy the unique crypto portfolios of other investors.
  • Security: eToro is a regulated and licensed brokerage platform.
  • Buy other financial assets: Such as ETFs and cryptos.

Get $10 towards your stock purchase by creating an account with eToro today. This offer is only for US users.

Open eToro Account
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: Sign up for your brokerage account

Now that you've picked your brokerage, it's time to fill out some personal info so you are able to invest in GLSI stock today.

How to Set Up a New Investment Account on eToro

  1. Click here to get started.
    eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
  2. Provide your personal details to open your new trading account.
  1. Submit your data by clicking the "Create Account" button.
  2. 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.

Step 3: Fund your brokerage account

Now that you have finished signing up on the greatest app to buy stocks, your next step is to transfer the money for your investment:

Watch the tutorial below if you need help transferring funds into your brokerage account.

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.

Step 4: Evaluate Greenwich Lifesciences stock

Once you have decided on the best place to buy Greenwich Lifesciences stock, it's absolutely critical to analyze their stock before you invest, so you truly comprehend the risk and upside.

Greenwich Lifesciences quick stats

GLSI Price
$9.15
1w %
0.99%
1y %
-35.34%
5y %
149.32%
P/E
-6.73x
P/B
86.64x
P/S
N/A
PEG
N/A
Revenue
$0.00
Earnings
-$17.99M
Fore. Rev. Growth
N/A
Fore. Earn. Growth
N/A
Market Cap
$124.72M
Next Earnings
Nov 10, 2025
Next Dividend
N/A

Fundamentals of GLSI

WallStreetZen was designed to help part-time investors do more in-depth fundamental analysis.

You can see all of the due diligence checks on GLSI's stock page.

How is GLSI stock valued?

You can use a variety of different financial metrics, analyses, models, and charts to gauge GLSI's intrinsic value.

Using relative valuations ratios:

  • GLSI may be overvalued based on its P/B ratio of 86.64x, relative to Biotechnology industry P/B ratio of 4.96x

You can access additional valuation research on GLSI's stock here.

GLSI Financials at a glance

Positive Health Checks:

  • There are more short-term assets than long-term liabilities on the GLSI balance sheet.
  • Total GLSI debt is lower than 5 years ago, relative to shareholder equity.
  • There are more short-term assets than short-term liabilities on the GLSI balance sheet.

Negative Health Checks:

  • GLSI has $3.13M in cash and short term investments. This is not sufficient to cover its annual cash burn of $8.50M.
  • GLSI has cash burn of 8503695. It does not have sufficient cash and short-term investments to cover this.
  • GLSI has a relatively high debt to equity ratio of 1.17.

You can dive deeper into what analysts are forecasting on the Greenwich Lifesciences stock forecast page.

GLSI Technicals

SMA10
9.43
SMA20
10.14
SMA50
10.8
SMA100
10.72
SMA200
10.82
MACD
-0.44
MACD Signal
-0.4
MACD Histogram
-0.04
RSI
37.08
Stochastic %K
21.73
Stochastic %D
27.75
StochRSI %K
46.62
StochRSI %D
46.86

Who is buying/selling GLSI?

Over the past year, executives and large shareholders at GLSI have bought more shares than they have sold.

Snehal Patel, CEO and CFO of GLSI, was the latest GLSI insider to buy. They bought $35,568.00 worth of GLSI stock on Apr 25, 2025.

Dig into more about who owns GLSI shares here.

Does GLSI stock generate passive income?

No, Greenwich Lifesciences doesn't provide an income stream by paying out dividends.

Get analysis from other investors

One of the primary reasons eToro is our favorite brokerage is because of its social trading community.

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

Step 5: Execute your GLSI trade

There are two primary order types:

  • Market order: A market order is an order to buy or sell a stock at the best available price.
    Market orders are usually the easiest way to buy.
  • Limit order: A limit order allows 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 specific price limit, place a limit order.

Hit the Open Trade button and your broker will place the order.

If you need more help buying stocks on eToro, watch the how to video below:

Open eToro Account

Step 6: Watch your investment in GLSI

Now that you own some GLSI shares, you'll want to keep up with your new stock purchase.

Add GLSI to a watchlist to track the most important metrics related to your GLSI stock.

GLSI Feed

How to Buy Stock in Greenwich Lifesciences

To reiterate, here are the 6 steps for buying Greenwich Lifesciences stock:

  1. Figure out where to buy Greenwich Lifesciences stock
  2. Sign up for your brokerage account
  3. Fund your brokerage account
  4. Evaluate Greenwich Lifesciences stock
  5. Execute your GLSI trade
  6. Watch your investment in GLSI

If you are looking for a brokerage account, 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 investment in Greenwich Lifesciences, create your watchlist below.

NASDAQ: GLSI
$9.15-0.28 (-2.97%)
Updated Oct 29, 2025
Open eToro Account
Your capital is at risk.
NASDAQ: GLSI
$9.15-0.28 (-2.97%)
Updated Oct 29, 2025
Open eToro Account
Your capital is at risk.

FAQ

How much does it cost to buy one Greenwich Lifesciences share?

As of Oct 29, 2025, it costs $9.15 to buy one share of Greenwich Lifesciences 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 0.437 shares of GLSI.

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.

What is the best way to buy Greenwich Lifesciences stock?

One way to place an order for Greenwich Lifesciences 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.