Diasorin SpA (CHIX:DIAM) Shares Buyback Ratio %: 6.61 (As of Jul. 30, 2026)

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CHIX:DIAM Diasorin SpA CHIX:DIAM
77 GF Score
Price €70.52
GF Value €88.91
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Diasorin SpA Shares Buyback Ratio %?

Diasorin SpA CHIX:DIAM 77 Shares Buyback Ratio % is 6.61 as of Jul. 30, 2026. GuruFocus rates CHIX:DIAM with a GF Score™ of 77/100 and a GF Value™ of €88.91 (Modestly Undervalued). The stock has 6 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. Diasorin SpA's current shares buyback ratio was 6.61%.

Diasorin SpA Shares Buyback Ratio % Related Terms

Diasorin SpA Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for Diasorin SpA'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.

Diasorin SpA Shares Buyback Ratio % Chart

Diasorin SpA 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 0.03 2.26 0.28 -1.00 1.65

Diasorin SpA 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 0.00 -0.09 1.75 0.00 5.04
CHIX:DIAM
77GF Score
Diasorin SpA CHIX:DIAM
Shares Buyback Ratio % is just one metric. See GF Score™, valuation, warning signs, and more.
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Diasorin SpA Shares Buyback Ratio % Calculation

Diasorin SpA'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 )
=(53.892 - 53.001) / 53.892
=1.65%

Diasorin SpA's Shares Buyback Ratio for the quarter that ended in Dec. 2025 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Sep. 2025 ) - Shares Outstanding (EOP) (A: Dec. 2025 )) / Shares Outstanding (EOP) (A: Sep. 2025 )
=(53.001 - 53.001) / 53.001
=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 6.61 mean?
Diasorin SpA (CHIX:DIAM) has a Shares Buyback Ratio % of 6.61 as of Jul. 30, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Diasorin SpA and its competitors.
Is Diasorin SpA's Shares Buyback Ratio % too high?
Diasorin SpA's current Shares Buyback Ratio % is 6.61. Overall, Diasorin SpA has a GF Score™ of 77/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diasorin SpA's Shares Buyback Ratio % compare to TMO and DHR?
Diasorin SpA's Shares Buyback Ratio % of 6.61 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 Diasorin SpA and its competitors. Diasorin SpA's current Shares Buyback Ratio % is 6.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diasorin SpA stock overvalued right now?
Based on GuruFocus' analysis, Diasorin SpA (CHIX:DIAM) is currently considered Modestly Undervalued. The stock's GF Value™ is €88.91, compared to a current price of €70.52 — trading 20.7% below its estimated fair value. The current Shares Buyback Ratio % is 6.61. Diasorin SpA's overall GF Score™ is 77/100 with 6 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 Diasorin SpA (CHIX:DIAM), the current Shares Buyback Ratio % is 6.61 as of Jul. 30, 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 Diasorin SpA (CHIX:DIAM) Overvalued in 2026?

Based on GuruFocus' analysis, Diasorin SpA stock appears to be undervalued. The current stock price of €70.52 is trading 20.7% below its estimated GF Value™ of €88.91. GuruFocus considers Diasorin SpA to be Modestly Undervalued.

Key valuation signals for CHIX:DIAM:

  • Shares Buyback Ratio %: 6.61
  • GF Value™: €88.91 vs. price of €70.52 (20.7% below fair value)
  • GF Score™: 77/100 with 6 warning signs

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

Diasorin SpA Business Description

Address Via Crescentino Snc, Saluggia, Vercelli, ITA, 13040
Diasorin develops and manufactures a broad portfolio of in vitro diagnostics for detecting pathogens and sample contamination from the human body, as well as for use in industrial settings, such as food and water contamination testing. The company operates three segments: immunodiagnostics (69% of sales), molecular diagnostics (16%), and licensed technologies (14%). Diasorin was an important manufacturer of covid tests, which boosted its profits during the pandemic, but this segment's importance has decreased over the years, and in 2025, it accounted for only 1% of total sales.
77GF Score

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

€70.52
Price
€88.91
GF Value