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Diasorin SpACHIX:DIAM -1.71%78 Owner Earnings per Share (TTM) is 0.00 as of Mar. 2026. GuruFocus rates CHIX:DIAM with a GF Score™ of 78/100 and a GF Value™ of €90.24 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 75 Medical Diagnostics & Research companies, Diasorin SpA ranks worse than 1333332% on this metric.
"These represent (a) reported earnings plus (b) depreciation, depletion, amortization, and certain other non-cash charges...less (c) the average annual amount of capitalized expenditures for plant and equipment, etc. that the business requires to fully maintain its long-term competitive position and its unit volume (If the business requires additional working capital to maintain its competitive position and unit volume, the increment also should be included in (c))...Our owner-earnings equation does not yield the deceptively precise figures provided by GAAP, since (c) must be a guess - and one sometimes very difficult to make. Despite this problem, we consider the owner earnings figure, not the GAAP figure, to be the relevant item for valuation purposes - both for investors in buying stocks and for managers in buying entire businesses...All of this points up the absurdity of the 'cash flow' numbers that are often set forth in Wall Street reports. These numbers routinely include (a) plus (b) - but do not subtract (c)."
Diasorin SpA does not have enough data to calculate Owner Earnings per Share (TTM), so as Price-to-Owner-Earnings ratio.
The historical rank and industry rank for Diasorin SpA's Owner Earnings per Share (TTM) or its related term are showing as below:
During the past 13 years, the highestPrice-to-Owner-Earnings ratio of Diasorin SpA was 48.36. The lowest was 29.30. And the median was 39.63.
CHIX:DIAm's Price-to-Owner-Earnings is not ranked *
in the Medical Diagnostics & Research industry.
Industry Median: 26.46 * Ranked among companies with meaningful Price-to-Owner-Earnings only.
Assumption: Companies usually do not report maintenance capital expenditures and growth capital expenditures separately. Here we use estimated numbers and average them over 5 years. The method to estimate maintenance capital expenditures can be found in above part 4.
Note: GuruFocus' Change In Working Capital is provided by Morningstar. It is calculated by adding the items under "Change in operating assets and liabilities" (may refer to a different name for different company) section in Cash Flow Statement from original financial report. And it includes non-current parts of assets and liabilities.
Diasorin SpA Owner Earnings per Share (TTM) Related Terms
Diasorin SpA Owner Earnings per Share (TTM) Historical Data
* Premium members only.
The historical data trend for Diasorin SpA's Owner Earnings per Share (TTM) 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.
CHIX:DIAM vs TMO, DHR, IDXX: Owner Earnings per Share (TTM) Comparison
For the Diagnostics & Research subindustry, Diasorin SpA's Price-to-Owner-Earnings, along with its competitors' market caps and Price-to-Owner-Earnings 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 Price-to-Owner-Earnings vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Diasorin SpA's Price-to-Owner-Earnings distribution charts can be found below:
* The bar in red indicates where Diasorin SpA's Price-to-Owner-Earnings falls into.
"These represent (a) reported earnings plus (b) depreciation, depletion, amortization, and certain other non-cash charges...less (c) the average annual amount of capitalized expenditures for plant and equipment, etc. that the business requires to fully maintain its long-term competitive position and its unit volume. (If the business requires additional working capital to maintain its competitive position and unit volume, the increment also should be included in (c))...Our owner-earnings equation does not yield the deceptively precise figures provided by GAAP, since (c) must be a guess - and one sometimes very difficult to make. Despite this problem, we consider the owner earnings figure, not the GAAP figure, to be the relevant item for valuation purposes - both for investors in buying stocks and for managers in buying entire businesses...All of this points up the absurdity of the 'cash flow' numbers that are often set forth in Wall Street reports. These numbers routinely include (a) plus (b) - but do not subtract (c)."
What does a Owner Earnings per Share (TTM) of 0.00 mean?
Diasorin SpA (CHIX:DIAM) has a Owner Earnings per Share (TTM) of 0.00 as of Mar. 2026. Warren Buffett defined owner earnings as reported earnings plus depreciation less average maintenance capital expenditure. View historical data on Diasorin SpA. Over the past decade, Diasorin SpA's Owner Earnings per Share (TTM) has ranged from 29.30 to 48.36. According to the industry distribution chart, Diasorin SpA ranks #999999 out of 75 companies in the Medical Diagnostics & Research industry.
Is Diasorin SpA's Owner Earnings per Share (TTM) too high?
Diasorin SpA's current Owner Earnings per Share (TTM) is 0.00. Over the past 10 years, this metric has ranged from a low of 29.30 to a high of 48.36. Based on the distribution chart, Diasorin SpA ranks #999999 out of 75 companies in the Medical Diagnostics & Research industry, which is in the bottom quartile relative to peers. Overall, Diasorin SpA has a GF Score™ of 78/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diasorin SpA's Owner Earnings per Share (TTM) compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Diasorin SpA ranks #999999 out of 75 companies for Owner Earnings per Share (TTM). This places Diasorin SpA in the lower half of its industry. The industry median Owner Earnings per Share (TTM) is 26.46. Historically, Diasorin SpA's own Owner Earnings per Share (TTM) has ranged from 29.30 to 48.36 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 Owner Earnings per Share (TTM) for a Medical Diagnostics & Research company?
The median Owner Earnings per Share (TTM) among Medical Diagnostics & Research companies is 26.46, based on 75 companies in the industry. Companies in the top quartile (top 25%) have a Owner Earnings per Share (TTM) significantly above this median, while those in the bottom quartile fall well below. However, Owner Earnings per Share (TTM) 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 Owner Earnings per Share (TTM) mean?
A high Owner Earnings per Share (TTM) can signal that a stock is expensive relative to its fundamentals. Warren Buffett defined owner earnings as reported earnings plus depreciation less average maintenance capital expenditure. View historical data on Diasorin SpA. For the Medical Diagnostics & Research industry, the median Owner Earnings per Share (TTM) is 26.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diasorin SpA's current Owner Earnings per Share (TTM) is 0.00. 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 €90.24, compared to a current price of €69.54 — trading 22.9% below its estimated fair value. The current Owner Earnings per Share (TTM) is 0.00. Diasorin SpA's overall GF Score™ is 78/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Owner Earnings per Share (TTM) calculated?
Owner Earnings per Share (TTM) is calculated from a company's financial statements. For Diasorin SpA (CHIX:DIAM), the current Owner Earnings per Share (TTM) is 0.00 as of Mar. 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 €69.54 is trading 22.9% below its estimated GF Value™ of €90.24.
GuruFocus considers Diasorin SpA to be Modestly Undervalued.
Key valuation signals for CHIX:DIAM:
Owner Earnings per Share (TTM): 0.00
GF Value™: €90.24 vs. price of €69.54 (22.9% below fair value)
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 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.
78GF Score
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