Greenwich LifeSciences, Inc. (GLSI) Key Metrics

NASDAQ: GLSIValuation, returns, debt and efficiency ratios over 9 years.

GLSI valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$213.6M
Enterprise value
$246.7M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
—
Price / book
82.0
10-yr median 18.5
EV / EBITDA
—
Dividend yield
—
Beta
1.46

GLSI key metrics, 2017–2025

Fiscal year ended December 31, 2025 · U.S. dollars

GLSI valuation Price multiples at each fiscal year-end price.

Price / book+400.5%
805.1
2025 · hover or tap a bar for each year
2020: 16.82021: 11.7 (−30.0%)2022: 14.9 (+26.6%)2023: 20.2 (+35.8%)2024: 160.9 (+697.4%)2025: 805.1 (+400.5%)
20172025
Free cash flow yield+1.5 pts
−3.5%
2025 · hover or tap a bar for each year
2020: −0.2%2021: −1.4% (−1.1 pts)2022: −3.2% (−1.8 pts)2023: −4.8% (−1.6 pts)2024: −5.0% (−0.2 pts)2025: −3.5% (+1.5 pts)
20172025

GLSI valuation history

Fiscal year-endToday9-year median

GLSI returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

GLSI debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

GLSI cash returned to shareholders

DividendsBuybacksFree cash flow

GLSI price vs earnings per share

Share price at year-endEPS (right axis)

GLSI key metrics

2017–2025
Greenwich LifeSciences, Inc. key metrics by fiscal year
202520242023202220212020201920182017
Valuation
Market capitalization$284.4M$146.2M$135.2M$196.3M$314.9M$463.3M———
Enterprise value$278.2M$142.1M$128.2M$182.8M$287.7M$434.9M———
Price / book805.1160.920.214.911.716.8———
Earnings yield−6.8%−11.9%−6.6%−4.0%−1.5%−0.4%———
Free cash flow yield−3.5%−5.0%−4.8%−3.2%−1.4%−0.2%———
Shareholder yield (dividends + buybacks)——0.0%3.8%0.0%0.0%———
Share price at fiscal year-end$21.01$11.23$10.52$15.20$24.33$36.47———
Per share
Revenue per share$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
Earnings per share−$1.43−$1.34−$0.69−$0.61−$0.35−$0.15−$0.29−$0.14−$0.13
Operating cash flow per share−$0.73−$0.56−$0.50−$0.48−$0.33−$0.09−$0.02−$0.01−$0.01
Free cash flow per share−$0.73−$0.56−$0.50−$0.48−$0.33−$0.09−$0.02−$0.01−$0.01
Cash per share$0.46$0.31$0.54$1.04$2.10$2.26$0.00$0.01$0.00
Book value per share$0.03$0.07$0.52$1.02$2.07$2.18−$0.11−$0.85−$0.73
Tangible book value per share$0.03$0.07$0.52$1.02$2.07$2.17−$0.12−$0.85−$0.73
Capex per share$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
Debt per share—————$0.02$0.05$0.04—
Shares outstanding13.5M13.0M12.8M12.9M12.9M12.7M11.7M12.0M11.7M
Change in shares outstanding+4.0%+1.3%−0.5%−0.2%+1.9%+8.2%−1.9%+1.9%—
Returns & profitability
Return on equity (ROE)—−457.7%−89.3%−39.1%−16.8%−14.2%———
Return on assets (ROA)−376.9%−314.1%−86.9%−38.5%−16.4%−13.0%———
Return on tangible assets−313.3%−425.6%−127.2%−58.1%−16.8%−6.5%———
Financial health
Total debt—————$275,154$635,154$420,154—
Cash & short-term investments$6.2M$4.1M$7.0M$13.5M$27.2M$28.7M$6,835$85,102$54
Net debt−$6.2M−$4.1M−$7.0M−$13.5M−$27.2M−$28.4M$628,319$335,052−$54
Debt / equity—————0.01———
Debt / assets—————0.0123.813.87—
Current ratio1.061.2823.7451.2370.6327.410.000.120.00
Quick ratio1.061.2823.7451.2370.6327.410.000.120.00
Interest coverage———-37.4-168.0————
Working capital$353,217$906,847$6.7M$13.2M$26.8M$27.6M−$1.4M−$643,497−$557,449
Invested capital−$5.8M−$3.2M−$289,015−$253,902−$372,557−$754,111−$722,099−$9.8M−$8.5M
Tangible asset value$353,217$906,847$6.7M$13.2M$26.8M$27.6M−$1.4M−$10.1M−$8.5M
Net current asset value$353,217$906,847$6.7M$13.2M$26.8M$27.6M−$1.4M−$10.1M−$8.6M
Graham net-net per share$0.03$0.07$0.52$1.02$2.07$2.17−$0.12−$0.85−$0.73
Capital allocation
Share buybacks (net)——$0$7.5M$0$0——$90,000
Capex / depreciation0.000.000.000.000.000.000.000.000.00
Efficiency
Days payables outstanding787,595.2143,414.012,950.722,316.847,081.072,882.750,994.022,196.616,306.7
Payables turnover0.000.000.030.020.010.010.010.020.02
Asset turnover0.000.000.000.000.000.000.000.000.00
Average payables$3.8M$1.4M$128,158$220,845$465,908$720,640$503,932$219,351$161,146
Intangibles / total assets0.0%0.0%0.1%0.1%0.0%0.1%74.4%21.6%0.0%

Computed from GLSI's annual financial statements (latest annual report filed June 1, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

GLSI valuation and financial ratios

The share count rose 15.3% from 11.7M to 13.5M over 8 years.

See the GLSI income statement, the GLSI chart for price history, or the GLSI stock overview for the latest quote and news.

GLSI key metrics FAQ

What is Greenwich LifeSciences's free cash flow yield?

Greenwich LifeSciences generated -$9.9 million of free cash flow in fiscal 2025, a free cash flow yield of −3.5% on its market value at year-end ($284.4 million).

What is Greenwich LifeSciences's current ratio?

Greenwich LifeSciences's current ratio was 1.06 at the end of fiscal 2025: current assets were 1.06 times current liabilities.

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