Greenwich LifeSciences, Inc.

GLSI Healthcare Biotechnology

In the quarter to June 2026, EPS grew 10.0% and free cash flow grew 13.1%, each against the same quarter a year earlier. Insiders bought in the last twelve months.

14.55 0.77 −5.03%
Market cap
$224.9M
P/E
0.0×
Fwd P/E
—
Dividend yield
—
F-score
n/a
Altman Z
n/a
Beneish M
n/a
Dividend safety
n/a

Insider Decisions trades per month

Total buys 0.57
Totals in millions of $.
Dec 25 Mar 26 Jun 26 Sep 26
Buy 2 3 2 — — — — — 3 — — —
Sell — — — — — — — — — — — —
Insider Ownership 47.68%

Capital & Financial Ratios $m

Market Cap 224.87
Revenue —
Net Income (22.47)
Free Cash Flow (12.49)
Net Debt (8.88)
Current Ratio 1.54 (at or above 1.5: strong)
Debt/Equity 0.00 (at or below 0.5: strong)
P/E ratio 0.00
Fwd P/E —
P/S ratio 0.00
P/B ratio 68.25 (above 6: high)
Past 5Y EPS Growth —
This Y EPS Growth (13.06%) (below 0%: weak)
Next Y EPS Growth 15.52% (at or above 15%: strong)
Next Y revenue growth —
Next 5Y EPS Growth (6.70%) (below 0%: weak)

Green and red mark values outside typical ranges. How we judge →

Valuation vs history

P/B against its own 10 years 76.50%
10-year low 10-year high

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
special payouts not included in total or ratios

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 7 4 6 9
Receivables — — — —
Inventory — — — —
Other — — — —
7 4 6 9
2023 2024 2025 Q'26
Payables 0 3 5 5
ST’ Debt — — — —
Other 0 0 0 0
0 3 6 6

Compound Annual Growth %

10y 5y 3y
Sales — — —
Cash Flow — 0.00% 0.00%
Earnings — 0.00% 0.00%
Book Value — (58.19%) (70.10%)

Revenue $m

Year
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (2) — — —
’25 (2) (2) (3) (3) (10)
’24 (2) (1) (3) (2) (7)
’23 (2) (1) (2) (2) (6)
’22 (2) (1) (2) (2) (6)
’21 (1) (1) (1) (2) (4)
’20 0 0 0 (1) (1)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (2) — — —
’25 (2) (2) (3) (3) (10)
’24 (2) (1) (3) (2) (7)
’23 (2) (1) (2) (2) (6)
’22 (2) (1) (2) (2) (6)
’21 (1) (1) (1) (2) (4)
’20 0 0 0 (1) (1)
Fiscal quarters ending in the months shown.

EPS $

Mar Jun Sep Dec Year
’26 (0.39) (0.27) — — —
’25 (0.25) (0.30) (0.30) (0.58) (1.43)
’24 (0.19) (0.20) (0.20) (0.61) (1.21)
’23 (0.17) (0.13) (0.19) (0.21) (0.69)
’22 (0.15) (0.06) (0.18) (0.22) (0.61)
’21 (0.05) (0.06) (0.07) (0.18) (0.35)
’20 (0.03) (0.02) (0.03) (0.11) (0.20)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell

Ten years at a glance

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low — — — — 3.26 19.52 6.82 7.58 8.00 7.78

Analyst estimates 2026–2028

Powerpack
High — — — — 158.07 69.77 26.27 21.50 21.44 30.82
People
People Employees — — — 3 3 6 6 7 8 13
Revenue/emp, $m — — — 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Income, $m
Income, $m Revenue — — — — — — — — — —
Gross margin, % — 0.00 0.00 0.00 0.00 0.00 0.00 — — —
EBT — (2) (2) (3) (2) (5) (8) (9) (17) (19)
EBT margin, % — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Net income — 0 (2) (3) (2) (5) (8) (9) (17) (19)
Depreciation — 0 0 0 0 0 0 0 0 0
Per share, $
Per share, $ Revenue — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Earnings — (0.13) (0.14) (1.52) (0.20) (0.35) (0.61) (0.69) (1.21) (1.43)
Cash flow — (0.01) (0.01) (0.13) (0.12) (0.33) (0.48) (0.50) (0.56) (0.73)
Capex — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Free cash flow — (0.01) (0.01) (0.13) (0.12) (0.33) (0.48) (0.50) (0.56) (0.73)
Book value — (0.73) (0.86) (0.60) 2.91 2.07 1.02 0.52 0.07 0.03
Shares, m — 12 12 2 9 13 13 13 13 14
Valuation, ×
Valuation, × P/E — — — — — — — — — —
P/S — — — — — — — — — —
P/B — — — — — — — — — —
EV/Sales — — — — — — — — — —
EV/FCF — — — — — — — — — —
Cash, $m
Cash, $m Operating cash flow — 0 0 0 (1) (4) (6) (6) (7) (10)
Capex — — — — — — — — — —
Free cash flow — 0 0 0 (1) (4) (6) (6) (7) (10)
Balance, $m
Balance, $m Working capital — (1) (1) (1) 28 27 13 7 1 0
Total debt — — — — — — — — — —
Net debt — 0 0 0 (29) (27) (13) (7) (4) (6)
Shareholders’ equity — (9) (10) (1) 28 27 13 7 1 0
Returns, %
Returns, % ROA — (2,320.80) (3,114.65) (5,067.01) (12.98) (16.35) (38.46) (86.87) (314.09) (376.92)
ROIC — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
ROE — 16.86 18.11 59.69 (14.18) (16.78) (39.08) (89.30) (457.73) (3,068.35)
Negative figures in brackets.

All 10 years →

Charts ten years each

Greenwich LifeSciences, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
QTTB Q32 Bio Inc. $231.3M 2.5× — (loss-making) −1,928.18% (below 0%: shrinking) n/m +71.13% (above 0%: growing) 100.00% 0.00% Compare
FATE Fate Therapeutics, Inc. $230.7M — (loss-making) — (loss-making) +9.18% (above 0%: growing) n/m +8.96% (above 0%: growing) 100.00% (1,495.39%) Compare
LXEO Lexeo Therapeutics, Inc. $226.6M — (loss-making) — (loss-making) — n/m +35.58% (above 0%: growing) 0.00% 0.00% Compare
SLGL Sol-Gel Technologies Ltd. $224.9M — (loss-making) — (loss-making) −96.58% (below 0%: shrinking) n/m −8.76% (below 0%: shrinking) 100.00% (704.23%) Compare
GLSI Greenwich LifeSciences, Inc. $224.9M — (loss-making) — — n/m +13.14% (above 0%: growing) 0.00% 0.00%
KROS Keros Therapeutics, Inc. $220.1M — (loss-making) — (loss-making) −99.83% (below 0%: shrinking) n/m +32.19% (above 0%: growing) 100.00% 0.00% Compare
PLX Protalix BioTherapeutics, Inc. $217.5M 10.9× 10.2× +27.07% (above 0%: growing) +2,280.95% (above 0%: growing) −94.09% (below 0%: shrinking) 60.99% 23.48% Compare
CAMP CAMP4 Therapeutics Corporation $216.5M — (loss-making) — (loss-making) +18.84% (above 0%: growing) n/m −23.90% (below 0%: shrinking) 100.00% (752.11%) Compare
PYXS Pyxis Oncology, Inc. $215.3M — (loss-making) — (loss-making) — n/m −5.46% (below 0%: shrinking) 100.00% 0.00% Compare
Median of peers $222.5M — — −43.70% — +1.75% 100.00% 0.00%

All 614 Biotechnology stocks →

Greenwich LifeSciences, Inc. (GLSI) key facts

  • Greenwich LifeSciences, Inc. (GLSI) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, GLSI traded at $14.55, a market capitalization of $224.9 million.
  • Return on equity was −3,068.4% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

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