GLSI (Greenwich LifeSciences) Institutional Ownership: 13.70% (As of Jul. 07, 2026)


GLSI Greenwich LifeSciences Inc GLSI
35 GF Score
Price $19.61
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What is Greenwich LifeSciences Institutional Ownership?

Greenwich LifeSciences GLSI -4.06% 35 Institutional Ownership is 13.70% as of Jul. 07, 2026. GuruFocus rates GLSI with a GF Score™ of 35/100. The stock has 1 warning sign investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Greenwich LifeSciences's institutional ownership is 13.70%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Greenwich LifeSciences's Insider Ownership is 49.66%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Greenwich LifeSciences's Float Percentage Of Total Shares Outstanding is 52.13%.

Greenwich LifeSciences Institutional Ownership Historical Data

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The historical data trend for Greenwich LifeSciences's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Greenwich LifeSciences Institutional Ownership Chart

Greenwich LifeSciences Historical Data

The historical data trend for Greenwich LifeSciences can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 9.35 9.23 9.21 8.06 9.37 9.80 10.47 9.74 9.55 9.96
GLSI
35GF Score
Greenwich LifeSciences Inc GLSI
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenwich LifeSciences Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 13.70% mean?
Greenwich LifeSciences (GLSI) has a Institutional Ownership of 13.70% as of Jul. 07, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Greenwich LifeSciences and its competitors.
Is Greenwich LifeSciences' Institutional Ownership too high?
Greenwich LifeSciences' current Institutional Ownership is 13.70%. Overall, Greenwich LifeSciences has a GF Score™ of 35/100, reflecting its overall financial health beyond just this single metric.
How does Greenwich LifeSciences' Institutional Ownership compare to SABS and SRZN?
Greenwich LifeSciences' Institutional Ownership of 13.70% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for a Biotechnology company?
A good Institutional Ownership depends on the Biotechnology industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Greenwich LifeSciences and its competitors. Greenwich LifeSciences's current Institutional Ownership is 13.70%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greenwich LifeSciences stock overvalued right now?
Greenwich LifeSciences (GLSI) has a current Institutional Ownership of 13.70%. The current Institutional Ownership is 13.70%. Greenwich LifeSciences' overall GF Score™ is 35/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Greenwich LifeSciences (GLSI), the current Institutional Ownership is 13.70% as of Jul. 07, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Greenwich LifeSciences Business Description

Address 3992 Bluebonnet Drive, Building 14, Stafford, TX, USA, 77477
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.
35GF Score

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