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Greenwich LifeSciences, Inc. (GLSI)

18.31 +0.89 (+5.11%)
At close: October 28 at 4:00:01 PM EDT
18.80 +0.49 (+2.68%)
After hours: October 28 at 4:52:30 PM EDT
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Chart Range Bar
Loading chart for GLSI
  • Previous Close 17.42
  • Open 17.00
  • Bid 12.98 x 200
  • Ask 22.19 x 200
  • Day's Range 17.00 - 18.44
  • 52 Week Range 7.78 - 34.10
  • Volume 129,729
  • Avg. Volume 126,135
  • Market Cap (intraday) 268.758M
  • Beta (5Y Monthly) 1.46
  • PE Ratio (TTM) --
  • EPS (TTM) -1.53
  • Earnings Date (est.) Nov 12, 2026
  • Forward Dividend & Yield -- (0.00%)
  • 1y Target Est 57.00
  • Zacks Rating Neutral

Greenwich LifeSciences, Inc., a clinical-stage biopharmaceutical company, develops novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers in the United States. Its lead product candidate is GP2, a HER2/neu transmembrane peptide, which is in Phase III clinical trial to prevent breast cancer recurrences in patients. The company also develops FLAMINGO-01, which is in Phase IIb and 3 Phase I clinical trial designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients. Greenwich LifeSciences, Inc. was formerly known as Norwell, Inc. and changed its name to Greenwich LifeSciences, Inc. in March 2018. The company was incorporated in 2006 and is headquartered in Stafford, Texas.

greenwichlifesciences.com

--

Full Time Employees

December 31

Fiscal Year Ends

Healthcare

Sector

Biotechnology

Industry

Recent News

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Performance Overview

Trailing total returns as of 10/28/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

YTD Return

GLSI
12.85%
S&P 500 (^GSPC)
13.13%

1-Year Return

GLSI
94.17%
S&P 500 (^GSPC)
12.38%

3-Year Return

GLSI
114.91%
S&P 500 (^GSPC)
88.08%

5-Year Return

GLSI
48.44%
S&P 500 (^GSPC)
68.48%

Earnings Trends

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Earnings Per Share (GAAP)

Revenue vs. Earnings

Annual
Quarterly
Annual
Quarterly
Q1 FY26
Revenue --
Earnings -5.66M
Profit Margin 0.00%

Q2

FY25

Q3

FY25

Q4

FY25

Q1

FY26

-6M
-4M
-2M
0
0.0%

Analyst Insights

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Analyst Price Targets

45.00
57.00 Average
18.31 Current
69.00 High

Analyst Recommendations

  • Strong Buy
  • Buy
  • Hold
  • Underperform
  • Sell

Latest Rating

Date 7/21/2026
Analyst HC Wainwright & Co.
Rating Action Maintains
Rating Buy
Price Action Raises
Price Target 50 -> 69

Statistics

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Valuation Measures

Annual
  • Market Cap

  • Enterprise Value

  • Trailing P/E

  • Forward P/E

  • PEG Ratio (current)

  • Price/Sales (ttm)

  • Price/Book (mrq)

  • Enterprise Value/Revenue

  • Enterprise Value/EBITDA

Financial Highlights

Profitability and Income Statement

  • Profit Margin

    0.00%

  • Return on Assets (ttm)

    -235.98%

  • Return on Equity (ttm)

    -986.32%

  • Revenue (ttm)

    --

  • Net Income Avi to Common (ttm)

    -22.47M

  • Diluted EPS (ttm)

    -1.53

Balance Sheet and Cash Flow

  • Total Cash (mrq)

    8.88M

  • Total Debt/Equity (mrq)

    --

  • Levered Free Cash Flow (ttm)

    -3.34M

Company Insights

Research Reports

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