GLSI (Greenwich LifeSciences) Buyback Yield %: -5.86 (As of Jul. 02, 2026)


GLSI Greenwich LifeSciences Inc GLSI
33 GF Score
Price $21.89
! 1 Warning Sign
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What is Greenwich LifeSciences Buyback Yield %?

Greenwich LifeSciences GLSI -7.17% 33 Buyback Yield % is -5.86 as of Jul. 02, 2026. GuruFocus rates GLSI with a GF Score™ of 33/100. The stock has 1 warning sign investors should review. Among 745 Biotechnology companies, Greenwich LifeSciences ranks better than 57.32% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Greenwich LifeSciences's current buyback yield was -5.86%.

Greenwich LifeSciences Buyback Yield % Historical Data

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The historical data trend for Greenwich LifeSciences's Buyback Yield % 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 Buyback Yield % Chart

Greenwich LifeSciences Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial -0.97 3.86 0.00 -2.96 -3.95

Greenwich LifeSciences Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Buyback Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -3.62 -3.60 -4.68 -3.95 -5.79

GLSI vs SABS, SRZN, ZNTL: Buyback Yield % Comparison

For the Biotechnology subindustry, Greenwich LifeSciences's Buyback Yield %, along with its competitors' market caps and Buyback Yield % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Greenwich LifeSciences Buyback Yield % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Greenwich LifeSciences's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Greenwich LifeSciences's Buyback Yield % falls into.


GLSI
33GF Score
Greenwich LifeSciences Inc GLSI
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenwich LifeSciences Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Greenwich LifeSciences's Buyback Yield for the fiscal year that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (0 + 11.854) / 300.40098
=-3.95%

Greenwich LifeSciences's annualized Buyback Yield for the quarter that ended in Mar. 2026 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (0 + 20.392) / 352.27732
=-5.79%

* 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.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of -5.86 mean?
Greenwich LifeSciences (GLSI) has a Buyback Yield % of -5.86 as of Jul. 02, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Greenwich LifeSciences and its competitors. According to the industry distribution chart, Greenwich LifeSciences ranks #318 out of 745 companies in the Biotechnology industry, placing it in the top 42.7%.
Is Greenwich LifeSciences' Buyback Yield % too high?
Greenwich LifeSciences' current Buyback Yield % is -5.86. Based on the distribution chart, Greenwich LifeSciences ranks #318 out of 745 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Greenwich LifeSciences has a GF Score™ of 33/100, reflecting its overall financial health beyond just this single metric.
How does Greenwich LifeSciences' Buyback Yield % compare to SABS and SRZN?
According to the Biotechnology industry distribution chart, Greenwich LifeSciences ranks #318 out of 745 companies for Buyback Yield %. This puts Greenwich LifeSciences in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Biotechnology company?
A good Buyback Yield % depends on the Biotechnology industry context. However, Buyback Yield % 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 Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Greenwich LifeSciences and its competitors. Greenwich LifeSciences's current Buyback Yield % is -5.86. 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 Buyback Yield % of -5.86. The current Buyback Yield % is -5.86. Greenwich LifeSciences' overall GF Score™ is 33/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Greenwich LifeSciences (GLSI), the current Buyback Yield % is -5.86 as of Jul. 02, 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.
33GF Score

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