BB Biotech AG (XSWX:BION) Shares Buyback Ratio %: -0.84 (As of Jul. 26, 2026)

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XSWX:BION BB Biotech AG XSWX:BION
32 GF Score
Price CHF50.80
! 4 Warning Signs
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What is BB Biotech AG Shares Buyback Ratio %?

BB Biotech AG XSWX:BION +1.80% 32 Shares Buyback Ratio % is -0.84 as of Jul. 26, 2026. GuruFocus rates XSWX:BION with a GF Score™ of 32/100. The stock has 4 warning signs investors should review.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

GuruFocus calculates shares buyback ratio using previous shares outstanding minus the current shares outstanding, and then divides by previous shares outstanding. BB Biotech AG's current shares buyback ratio was -0.84%.

BB Biotech AG Shares Buyback Ratio % Related Terms

BB Biotech AG Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for BB Biotech AG's Shares Buyback Ratio % 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.

BB Biotech AG Shares Buyback Ratio % Chart

BB Biotech AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shares Buyback Ratio %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.19 0.81 0.00 0.15 -0.71

BB Biotech AG Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Shares Buyback Ratio % 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 0.13 0.12 -0.96 0.00 0.00
XSWX:BION
32GF Score
BB Biotech AG XSWX:BION
Shares Buyback Ratio % is just one metric. See GF Score™, valuation, warning signs, and more.
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BB Biotech AG Shares Buyback Ratio % Calculation

BB Biotech AG's Shares Buyback Ratio for the fiscal year that ended in Dec. 2025 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Dec. 2024 ) - Shares Outstanding (EOP) (A: Dec. 2025 )) / Shares Outstanding (EOP) (A: Dec. 2024 )
=(54.762 - 55.149) / 54.762
=-0.71%

BB Biotech AG's Shares Buyback Ratio for the quarter that ended in Mar. 2026 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Dec. 2025 ) - Shares Outstanding (EOP) (A: Mar. 2026 )) / Shares Outstanding (EOP) (A: Dec. 2025 )
=(55.149 - 55.149) / 55.149
=0.00%

* 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.

Frequently Asked Questions Learn more about Shares Buyback Ratio % →
What does a Shares Buyback Ratio % of -0.84 mean?
BB Biotech AG (XSWX:BION) has a Shares Buyback Ratio % of -0.84 as of Jul. 26, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on BB Biotech AG and its competitors.
Is BB Biotech AG's Shares Buyback Ratio % too high?
BB Biotech AG's current Shares Buyback Ratio % is -0.84. Overall, BB Biotech AG has a GF Score™ of 32/100, reflecting its overall financial health beyond just this single metric.
How does BB Biotech AG's Shares Buyback Ratio % compare to VRTX and REGN?
BB Biotech AG's Shares Buyback Ratio % of -0.84 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 Shares Buyback Ratio % for a Biotechnology company?
A good Shares Buyback Ratio % depends on the Biotechnology industry context. However, Shares Buyback Ratio % 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 Shares Buyback Ratio % mean?
A high Shares Buyback Ratio % can signal that a stock is expensive relative to its fundamentals. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on BB Biotech AG and its competitors. BB Biotech AG's current Shares Buyback Ratio % is -0.84. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BB Biotech AG stock overvalued right now?
BB Biotech AG (XSWX:BION) has a current Shares Buyback Ratio % of -0.84. The current Shares Buyback Ratio % is -0.84. BB Biotech AG's overall GF Score™ is 32/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Buyback Ratio % calculated?
Shares Buyback Ratio % is calculated from a company's financial statements. For BB Biotech AG (XSWX:BION), the current Shares Buyback Ratio % is -0.84 as of Jul. 26, 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.

BB Biotech AG Business Description

Address Schwertstrasse 6, Schaffhausen, CHE, CH-8200
BB Biotech AG is a part of the healthcare sector in Switzerland. Its primary activity includes making investments, especially in the biotechnology market, and is one of the investors in the field of biotechnology. The focus of the investments is on those listed companies that focus on the development and marketing of novel drugs with a clear value for the healthcare system. Geographically company operates in the USA, Netherlands, Singapore, Great Britain, Canada, Switzerland, Curacao, and British Virgin Island.
32GF Score

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Shares Buyback Ratio % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF50.80
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