IVRO (Invitro International) Shares Buyback Ratio %: 2.20 (As of Aug. 03, 2026)

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What is Invitro International Shares Buyback Ratio %?

Invitro International IVRO +1.33% Shares Buyback Ratio % is 2.20 as of Aug. 03, 2026. The stock has 1 warning sign 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. Invitro International's current shares buyback ratio was 2.20%.

Invitro International Shares Buyback Ratio % Related Terms

Invitro International Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for Invitro International'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.

Invitro International Shares Buyback Ratio % Chart

Invitro International Annual Data
Trend Feb90 Feb91 Sep92 Sep93 Sep94 Sep95 Sep96 Sep24 Sep25
Shares Buyback Ratio %
Get a 7-Day Free Trial Premium Member Only -10.50 0.00 -10.51 -71.30 1.77

Invitro International Quarterly Data
Sep94 Dec94 Mar95 Jun95 Sep95 Dec95 Mar96 Jun96 Sep96 Dec96 Mar97 Jun97 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 0.00 0.00 2.20 0.00 0.00

Invitro International Shares Buyback Ratio % Calculation

Invitro International's Shares Buyback Ratio for the fiscal year that ended in Sep. 2025 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Sep. 2024 ) - Shares Outstanding (EOP) (A: Sep. 2025 )) / Shares Outstanding (EOP) (A: Sep. 2024 )
=(22.660 - 22.260) / 22.660
=1.77%

Invitro International'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 )
=(22.260 - 22.260) / 22.260
=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 2.20 mean?
Invitro International (IVRO) has a Shares Buyback Ratio % of 2.20 as of Aug. 03, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Invitro International and its competitors.
Is Invitro International's Shares Buyback Ratio % too high?
Invitro International's current Shares Buyback Ratio % is 2.20.
How does Invitro International's Shares Buyback Ratio % compare to IDTA and PRPH?
Invitro International's Shares Buyback Ratio % of 2.20 can be compared against companies in the Medical Diagnostics & Research 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 Medical Diagnostics & Research company?
A good Shares Buyback Ratio % depends on the Medical Diagnostics & Research 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 Invitro International and its competitors. Invitro International's current Shares Buyback Ratio % is 2.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invitro International stock overvalued right now?
Based on GuruFocus' analysis, Invitro International (IVRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.05, compared to a current price of $0.07 — trading 35.8% above its estimated fair value. The current Shares Buyback Ratio % is 2.20. 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 Invitro International (IVRO), the current Shares Buyback Ratio % is 2.20 as of Aug. 03, 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.

Invitro International Business Description

Address 330 East Orangethorpe Avenue, Suite D, Placentia, CA, USA, 92870
Invitro International is a provider of non-animal testing methods. The company develops and commercializes test kits and laboratory services. Its testing technologies are designed to produce data regarding corrosivity, or ocular/dermal irritation, which correlate with animal and human test results. Its products and services include Irritection, Corrositex, and Lab Services. The company provides its products to various industries such as cosmetics, personal care, household products, textiles, pharmaceuticals, chemicals, and hazardous waste transportation. The majority of its revenue is generated from the United States and it also exports to other countries.