Diasorin SpA (WBO:DIAS) Return-on-Tangible-Equity: Negative Tangible Equity% (As of Dec. 2025)


WBO:DIAS Diasorin SpA WBO:DIAS
74 GF Score
Price €69.68
GF Value €90.06
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Diasorin SpA Return-on-Tangible-Equity?

Diasorin SpA WBO:DIAS +2.47% 74 Return-on-Tangible-Equity is Negative Tangible Equity% as of Dec. 2025. GuruFocus rates WBO:DIAS with a GF Score™ of 74/100 and a GF Value™ of €90.06 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 192 Medical Diagnostics & Research companies, Diasorin SpA ranks better than 99.48% on this metric.

Return-on-Tangible-Equity is calculated as Net Income divided by its average total shareholder tangible equity. Total shareholder tangible equity equals to Total Stockholders Equity minus Intangible Assets. Diasorin SpA's annualized net income for the quarter that ended in Dec. 2025 was €74 Mil. Diasorin SpA's average shareholder tangible equity for the quarter that ended in Dec. 2025 was €-217 Mil. Therefore, Diasorin SpA's annualized Return-on-Tangible-Equity for the quarter that ended in Dec. 2025 was Negative Tangible Equity%.

The historical rank and industry rank for Diasorin SpA's Return-on-Tangible-Equity or its related term are showing as below:

WBO:DIAS' s Return-on-Tangible-Equity Range Over the Past 10 Years
Min: 29.02   Med: 43.4   Max: 2968.53
Current: Negative Tangible Equity

During the past 13 years, Diasorin SpA's highest Return-on-Tangible-Equity was 2,968.53%. The lowest was 29.02%. And the median was 43.40%.

WBO:DIAS's Return-on-Tangible-Equity is ranked better than
99.48% of 192 companies
in the Medical Diagnostics & Research industry
Industry Median: -0.405 vs WBO:DIAS: Negative Tangible Equity

Diasorin SpA  (WBO:DIAS) Return-on-Tangible-Equity Explanation

Return-on-Tangible-Equity measures the rate of return on the ownership interest (shareholder's tangible equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' tangible equity (shareholders equity minus intangibles). Return-on-Tangible-Equity shows how well a company uses investment funds to generate earnings growth. Return-on-Tangible-Equitys between 15% and 20% are considered desirable.


Be Aware

Net Income is used.

Because a company can increase its Return-on-Tangible-Equity by having more financial leverage, it is important to watch the leverage ratio when investing in high Return-on-Tangible-Equity companies. Like Return-on-Tangible-Asset, Return-on-Tangible-Equity is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.

Asset light businesses require very few assets to generate very high earnings. Their Return-on-Tangible-Equitys can be extremely high.


Diasorin SpA Return-on-Tangible-Equity Related Terms


Diasorin SpA Return-on-Tangible-Equity Historical Data

* Premium members only.

The historical data trend for Diasorin SpA's Return-on-Tangible-Equity 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 Return-on-Tangible-Equity Chart

Diasorin SpA Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Return-on-Tangible-Equity
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2,968.53 Negative Tangible Equity Negative Tangible Equity Negative Tangible Equity Negative Tangible Equity

Diasorin SpA Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Return-on-Tangible-Equity 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 Negative Tangible Equity Negative Tangible Equity Negative Tangible Equity Negative Tangible Equity Negative Tangible Equity

WBO:DIAS vs TMO, DHR, IDXX: Return-on-Tangible-Equity Comparison

For the Diagnostics & Research subindustry, Diasorin SpA's Return-on-Tangible-Equity, along with its competitors' market caps and Return-on-Tangible-Equity 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.


Diasorin SpA Return-on-Tangible-Equity vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, Diasorin SpA's Return-on-Tangible-Equity distribution charts can be found below:

* The bar in red indicates where Diasorin SpA's Return-on-Tangible-Equity falls into.


WBO:DIAS
74GF Score
Diasorin SpA WBO:DIAS
Return-on-Tangible-Equity is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Diasorin SpA Return-on-Tangible-Equity Calculation

Diasorin SpA's annualized Return-on-Tangible-Equity for the fiscal year that ended in Dec. 2025 is calculated as

Return-on-Tangible-Equity=Net Income/( (Total Tangible Equity+Total Tangible Equity)/ count )
(A: Dec. 2025 )  (A: Dec. 2024 )(A: Dec. 2025 )
=Net Income/( (Total Stockholders Equity - Intangible Assets+Total Stockholders Equity - Intangible Assets )/ count )
(A: Dec. 2025 )  (A: Dec. 2024 )(A: Dec. 2025 )
=155.624/( (-227.568+-205.461 )/ 2 )
=155.624/-216.5145
=Negative Tangible Equity %

Diasorin SpA's annualized Return-on-Tangible-Equity for the quarter that ended in Dec. 2025 is calculated as

Return-on-Tangible-Equity=Net Income/( (Total Tangible Equity+Total Tangible Equity)/ count )
(Q: Dec. 2025 )  (Q: Sep. 2025 )(Q: Dec. 2025 )
=Net Income/( (Total Stockholders Equity - Intangible Assets+Total Stockholders Equity - Intangible Assets)/ count )
(Q: Dec. 2025 )  (Q: Sep. 2025 )(Q: Dec. 2025 )
=74.496/( (-228+-205.461)/ 2 )
=74.496/-216.7305
=Negative Tangible Equity %

* 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.

In the calculation of annual Return-on-Tangible-Equity, the net income of the last fiscal year and the average total shareholder tangible equity over the fiscal year are used. In calculating the quarterly data, the net income data used here is four times the quarterly (Dec. 2025) net income data. Return-on-Tangible-Equity is displayed in the 10-year financial page.

What does a Return-on-Tangible-Equity of Negative Tangible Equity% mean?
Diasorin SpA (WBO:DIAS) has a Return-on-Tangible-Equity of Negative Tangible Equity% as of Dec. 2025. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Diasorin SpA and its competitors. Over the past decade, Diasorin SpA's Return-on-Tangible-Equity has ranged from 29.02 to 2,968.53. According to the industry distribution chart, Diasorin SpA ranks #1 out of 192 companies in the Medical Diagnostics & Research industry, placing it in the top 0.5%.
Is Diasorin SpA's Return-on-Tangible-Equity too high?
Diasorin SpA's current Return-on-Tangible-Equity is Negative Tangible Equity%. Over the past 10 years, this metric has ranged from a low of 29.02 to a high of 2,968.53. Based on the distribution chart, Diasorin SpA ranks #1 out of 192 companies in the Medical Diagnostics & Research industry, which is in the top quartile — a strong position relative to peers. Overall, Diasorin SpA has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diasorin SpA's Return-on-Tangible-Equity compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Diasorin SpA ranks #1 out of 192 companies for Return-on-Tangible-Equity. This places Diasorin SpA in the top 1% of its industry — outperforming the majority of peers. Historically, Diasorin SpA's own Return-on-Tangible-Equity has ranged from 29.02 to 2,968.53 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Return-on-Tangible-Equity for a Medical Diagnostics & Research company?
A good Return-on-Tangible-Equity depends on the Medical Diagnostics & Research industry context. However, Return-on-Tangible-Equity 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 Return-on-Tangible-Equity mean?
A high Return-on-Tangible-Equity can signal that a stock is expensive relative to its fundamentals. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Diasorin SpA and its competitors. Diasorin SpA's current Return-on-Tangible-Equity is Negative Tangible Equity%. 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 (WBO:DIAS) is currently considered Modestly Undervalued. The stock's GF Value™ is €90.06, compared to a current price of €69.68 — trading 22.6% below its estimated fair value. The current Return-on-Tangible-Equity is Negative Tangible Equity%. Diasorin SpA's overall GF Score™ is 74/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Return-on-Tangible-Equity calculated?
Return-on-Tangible-Equity is calculated from a company's financial statements. For Diasorin SpA (WBO:DIAS), the current Return-on-Tangible-Equity is Negative Tangible Equity% as of Dec. 2025. 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 (WBO:DIAS) Overvalued in 2026?

Based on GuruFocus' analysis, Diasorin SpA stock appears to be undervalued. The current stock price of €69.68 is trading 22.6% below its estimated GF Value™ of €90.06. GuruFocus considers Diasorin SpA to be Modestly Undervalued.

Key valuation signals for WBO:DIAS:

  • Return-on-Tangible-Equity: Negative Tangible Equity%
  • GF Value™: €90.06 vs. price of €69.68 (22.6% below fair value)
  • GF Score™: 74/100 with 6 warning signs

No single metric tells the full story. See the WBO:DIAS 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.
74GF Score

Get the complete analysis for WBO:DIAS

Return-on-Tangible-Equity is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€69.68
Price
€90.06
GF Value