VIR (Vir Biotechnology) Shares Buyback Ratio %: -21.82 (As of Sep. 07, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

VIR Vir Biotechnology Inc VIR
52 GF Score
Price $11.39
GF Value $41.22
Valuation Possible Value Trap
! 5 Warning Signs
View Full Analysis

What is Vir Biotechnology Shares Buyback Ratio %?

Vir Biotechnology VIR -0.48% 52 Shares Buyback Ratio % is -21.82 as of Sep. 07, 2026. GuruFocus rates VIR with a GF Score™ of 52/100 and a GF Value™ of $41.22 (Possible Value Trap). The stock has 5 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. Vir Biotechnology's current shares buyback ratio was -21.82%.

Vir Biotechnology Shares Buyback Ratio % Related Terms

Vir Biotechnology Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for Vir Biotechnology'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.

Vir Biotechnology Shares Buyback Ratio % Chart

Vir Biotechnology Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shares Buyback Ratio %
Get a 7-Day Free Trial Premium Member Only -2.94 -1.58 -1.16 -1.62 -1.84

Vir Biotechnology Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 -0.60 -0.10 -0.33 -15.60 -4.93
VIR
52GF Score
Vir Biotechnology Inc VIR
Shares Buyback Ratio % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Vir Biotechnology Shares Buyback Ratio % Calculation

Vir Biotechnology'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 )
=(136.959 - 139.475) / 136.959
=-1.84%

Vir Biotechnology's Shares Buyback Ratio for the quarter that ended in Jun. 2026 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Mar. 2026 ) - Shares Outstanding (EOP) (A: Jun. 2026 )) / Shares Outstanding (EOP) (A: Mar. 2026 )
=(161.234 - 169.186) / 161.234
=-4.93%

* 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 -21.82 mean?
Vir Biotechnology (VIR) has a Shares Buyback Ratio % of -21.82 as of Sep. 07, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Vir Biotechnology and its competitors.
Is Vir Biotechnology's Shares Buyback Ratio % too high?
Vir Biotechnology's current Shares Buyback Ratio % is -21.82. Overall, Vir Biotechnology has a GF Score™ of 52/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Vir Biotechnology's Shares Buyback Ratio % compare to INBX and SEPN?
Vir Biotechnology's Shares Buyback Ratio % of -21.82 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 Vir Biotechnology and its competitors. Vir Biotechnology's current Shares Buyback Ratio % is -21.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vir Biotechnology stock overvalued right now?
Based on GuruFocus' analysis, Vir Biotechnology (VIR) is currently considered Possible Value Trap. The stock's GF Value™ is $41.22, compared to a current price of $11.39 — trading 72.4% below its estimated fair value. The current Shares Buyback Ratio % is -21.82. Vir Biotechnology's overall GF Score™ is 52/100 with 5 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 Vir Biotechnology (VIR), the current Shares Buyback Ratio % is -21.82 as of Sep. 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.

Is Vir Biotechnology (VIR) Overvalued in 2026?

Based on GuruFocus' analysis, Vir Biotechnology stock appears to be undervalued. The current stock price of $11.39 is trading 72.4% below its estimated GF Value™ of $41.22. GuruFocus considers Vir Biotechnology to be Possible Value Trap.

Key valuation signals for VIR:

  • Shares Buyback Ratio %: -21.82
  • GF Value™: $41.22 vs. price of $11.39 (72.4% below fair value)
  • GF Score™: 52/100 with 5 warning signs

No single metric tells the full story. See the VIR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Vir Biotechnology Business Description

Address 1800 Owens Street, Suite 900, San Francisco, CA, USA, 94158
Vir Biotechnology Inc is a clinical-stage biopharmaceutical company focused on powering the immune system by discovering and developing medicines for serious infectious diseases and cancer. The company uses its capabilities in antibody discovery and engineering, coupled with its proprietary AI engine dAIsY system, and the PRO-XTEN masking platform, to quickly and effectively discover and optimize potential new medicines. Its clinical development pipeline consists of investigational therapies like Tobevibart + elebsiran targeting the hepatitis delta virus (HDV), preclinical antibody candidates targeting HIV, and VIR-5500, VIR-5818, VIR-5525, and 7 PRO-XTEN programs targeting multiple solid tumors. Currently, the company generates revenue mainly by issuing license rights and through grants.
52GF Score

Get the complete analysis for VIR

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

$11.39
Price
$41.22
GF Value