NASDAQ: GLSI
Greenwich Lifesciences Inc Stock

$16.03+0.55 (+3.55%)
Updated Oct 23, 2026
GLSI Price
$16.03
Fair Value Price
$0.46
Market Cap
$235.29M
52 Week Low
$7.78
52 Week High
$34.10
P/E
-10.41x
P/B
75.49x
P/S
N/A
PEG
N/A
Dividend Yield
N/A
Revenue
$0.00
Earnings
-$21.68M
Gross Margin
N/A
Operating Margin
N/A
Profit Margin
N/A
Debt to Equity
1.85
Operating Cash Flow
-$12M
Beta
1.37
Next Earnings
Nov 13, 2026
Ex-Dividend
N/A
Next Dividend
N/A

GLSI Overview

Greenwich LifeSciences, Inc. is a clinical stage biopharmaceutical company developing novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers. Known as Norwell, Inc. until 2018, Greenwich LifeSciences was incorporated in 2006 and is headquartered in Stafford, TX.

Zen Rating

Our proven quant model uses 115 proprietary factors, including AI, to determine GLSI's potential to beat the market

DSell
  • Stocks with a Zen Rating of Sell (D) had an average loss of -6.47% per year. Learn More

Zen Rating Component Grades

F
Zen Rating uses advanced AI algorithms that detect subtle patterns in market data; it anticipates future trends that point to superior stock price results.

Industry: Biotech

Industry Rating
F
GLSI
Ranked
#259 of 455

Top Ranked Stocks in Industry

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GLSI News

Overview

Due Diligence Score

–
Industry Average (24)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how GLSI scored across 33 valuation, financial, forecast, performance, and dividend due diligence checks.

Due Diligence Checks

GLSI ($16.03) is overvalued by 3,411.9% relative to our estimate of its Fair Value price of $0.46 based on Discounted Cash Flow (DCF) modelling
Below Fair Value Valuation
GLSI ($16.03) is not significantly undervalued (3,411.9%) relative to our estimate of its Fair Value price of $0.46 based on Discounted Cash Flow (DCF) modelling, when including a healthy margin of safety
Significantly Below Fair Value Valuation
GLSI is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation
There are 30 more GLSI due diligence checks available for Premium users.

Valuation

GLSI fair value

Fair Value of GLSI stock based on Discounted Cash Flow (DCF)

Price
$16.03
Fair Value
$0.46
Overvalued by
3,411.90%
GLSI ($16.03) is overvalued by... subscribe to Premium to read more.
Below Fair Value Valuation
GLSI ($16.03) is not significantly... subscribe to Premium to read more.
Significantly Below Fair Value Valuation
GLSI is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation

GLSI price to earnings (PE)

For valuing profitable companies with steady earnings

Company
-10.41x
Industry
18.03x
Market
46.1x

GLSI price to book (PB)

For valuing companies that are loss-making or have lots of physical asset

Company
75.49x
Industry
5.01x
GLSI is poor value based... subscribe to Premium to read more.
P/B vs Industry Valuation

GLSI's financial health

Profit margin

Revenue
$0.0
Net Income
-$3.9M
Profit Margin
0%
GLSI's cash and short-term investments... subscribe to Premium to read more.
Interest Coverage Financials

Assets to liabilities

Assets
$8.9M
Liabilities
$5.8M
Debt to equity
1.85
GLSI's short-term assets ($8.88M) exceed... subscribe to Premium to read more.
Short-term Liabilities Financials
GLSI's short-term assets ($8.88M) exceed... subscribe to Premium to read more.
Long-term Liabilities Financials
GLSI's debt has increased relative... subscribe to Premium to read more.
Shrinking Debt Financials
GLSI's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials

Cash flow

Operating
-$1.9M
Investing
$0.0
Financing
$310.7k
GLSI's cash and short-term investments... subscribe to Premium to read more.
Debt Coverage Financials

GLSI vs Biotech Stocks

TickerZen RatingMarket Cap1d %P/EP/B
GLSID$235.29M+3.55%-10.41x75.49x
PALID$231.78M-1.48%2.22x1.90x
LYELC$230.10M+0.11%-0.73x0.98x
IFRXC$229.89M+1.96%-2.71x1.37x
LXEOD$229.73M-3.11%-2.75x0.98x

Greenwich Lifesciences Stock FAQ

What is Greenwich Lifesciences's quote symbol?

(NASDAQ: GLSI) Greenwich Lifesciences trades on the NASDAQ under the ticker symbol GLSI. Greenwich Lifesciences stock quotes can also be displayed as NASDAQ: GLSI.

If you're new to stock investing, here's how to buy Greenwich Lifesciences stock.

What is the 52 week high and low for Greenwich Lifesciences (NASDAQ: GLSI)?

(NASDAQ: GLSI) Greenwich Lifesciences's 52-week high was $34.10, and its 52-week low was $7.78. It is currently -52.99% from its 52-week high and 106.04% from its 52-week low.

How much is Greenwich Lifesciences stock worth today?

(NASDAQ: GLSI) Greenwich Lifesciences currently has 14,678,208 outstanding shares. With Greenwich Lifesciences stock trading at $16.03 per share, the total value of Greenwich Lifesciences stock (market capitalization) is $235.29M.

Greenwich Lifesciences stock was originally listed at a price of $5.00 in Sep 25, 2020. If you had invested in Greenwich Lifesciences stock at $5.00, your return over the last 6 years would have been 220.6%, for an annualized return of 21.43% (not including any dividends or dividend reinvestments).

How much is Greenwich Lifesciences's stock price per share?

(NASDAQ: GLSI) Greenwich Lifesciences stock price per share is $16.03 today (as of Oct 23, 2026).

What is Greenwich Lifesciences's Market Cap?

(NASDAQ: GLSI) Greenwich Lifesciences's market cap is $235.29M, as of Oct 25, 2026.

Market cap (market capitalization) is the total market value of a publicly traded company's outstanding shares.

Greenwich Lifesciences's market cap is calculated by multiplying GLSI's current stock price of $16.03 by GLSI's total outstanding shares of 14,678,208.
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