Greenwich LifeSciences, Inc.

GLSINASDAQUSD
22.25 USD
1.42 (6.00%)AT CLOSE (11:59 AM EDT)
22.38
0.13 (0.56%)
POST MARKET (AS OF 07:46 PM EDT)
Post Market
AS OF 07:46 PM EDT
22.38
0.13 (0.56%)
🔴Market: CLOSED
Open?$23.30
High?$23.30
Low?$21.75
Prev. Close?$23.67
Volume?179.9K
Avg. Volume?145.6K
VWAP?$22.48
Rel. Volume?1.24x
Bid / Ask
Bid?$19.13 × 100
Ask?$26.11 × 100
Spread?$6.98
Midpoint?$22.62
Valuation & Ratios
Market Cap?326.6M
Shares Out?14.7M
Float?5.9M
Float %?42.3%
P/E Ratio?N/A
P/B Ratio?61.97
EPS?-$1.48
Dividend?0.00%
Ex-Dividend?N/A

GLSI is currently priced at $22.25. Technicals currently rate "Strong Sell" while our fundamental analysis reads "Neutral". Notable factors include a robust Altman Z-Score, a weak Piotroski F-Score of 0/9, negative Return on Equity and a bullish Golden Cross on the moving averages. Valuation-wise, the stock is priced at a premium — multiples like P/E and EV/EBITDA sit above sector averages.

Technical & fundamental data as of Jun 5, 2026.

News
Profile
Greenwich LifeSciences Inc a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, Flamingo-01, which is evaluating GLSI-100, an immunotherapy to prevent breast cancer recurrences. GP2 is a 9 amino acid transmembrane peptide of the HER2/neu protein, a cell surface receptor protein that is expressed in a variety of common cancers, including expression in 75 percent of breast cancers at low (1+), intermediate (2+), and high (3+ or over-expressor) levels. The combination of GP2 + GM-CSF is called GLSI-100. The company is currently expanding Flamingo-01 into Europe with plans to open up to 150 sites globally.
Employees
13
Market Cap
326.6M
Industry
PHARMACEUTICAL PREPARATIONS
Listed
2020-09-25
Address
3992 BLUEBONNET DR, BUILDING 14
STAFFORD, TX 77477
Phone: 203-434-3290
Technical OutlookStrong Sell
Strong SellNeutralStrong Buy
Long-Term (Tide)? Bearish(-1/3)
Medium-Term (Wave)? Bearish(-3/3)
Short-Term (Ripple)? Bearish(-3/3)
MA Alignment?Mixed
Full Technical Analysis →
Fundamental OutlookNeutral
Strong SellNeutralStrong Buy
F-Score?
3
Z-Score?
100
Momentum?
50
Short Sent.?
30
Piotroski F-Score?0/9Weak
Altman Z-Score?18.79Safe
Confidence?45%Low
Full Fundamental Analysis →
Short InterestSqueeze Risk
Short % of Float?26.33%Squeeze Risk
Short Interest?1.5M
Days to Cover?11.0
Free Float5.9M
Avg Daily Volume139.9K
Settlement Date2026-05-15
Financial Health
Current Ratio?2.01Strong
Quick Ratio?2.01Strong
Cash Ratio?2.01Strong
Debt/Equity?0.00Low
ValuationFAIRLY VALUEDvs 1 peers + S&P 500
Score
67/100
P/E?
N/A
P/B?
Peers
100
S&P
3
61.97HIGH
P/S?
N/A
P/FCF?
N/A
EV/EBITDA?
S&P
97
-14.4CHEAP
EV/Sales?
N/A
Returns & Efficiency
ROE?
S&P
3
-412.8%WEAK
ROA?
S&P
3
-207.1%WEAK
Cash Flow & Enterprise
FCF?N/A
Enterprise Value?$316.1M
Fundamentals ratios updated end of day