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Proteome SciencesPMSNF 3-Year Share Buyback Ratio is 0.00 as of Dec. 2025. The stock has 6 warning signs investors should review. Among 174 Medical Diagnostics & Research companies, Proteome Sciences ranks worse than 574712.07% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Proteome Sciences's current 3-Year Share Buyback Ratio was 0.00%.
The historical rank and industry rank for Proteome Sciences's 3-Year Share Buyback Ratio or its related term are showing as below:
During the past 13 years, Proteome Sciences's highest 3-Year Share Buyback Ratio was 0.00%. The lowest was -403.30%. And the median was -4.90%.
PMSNF's 3-Year Share Buyback Ratio is not ranked *
in the Medical Diagnostics & Research industry.
Industry Median: -2.5 * Ranked among companies with meaningful 3-Year Share Buyback Ratio only.
Proteome Sciences (OTCPK:PMSNF) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Proteome Sciences 3-Year Share Buyback Ratio Related Terms
PMSNF vs TMO, DHR, IDXX: 3-Year Share Buyback Ratio Comparison
For the Diagnostics & Research subindustry, Proteome Sciences's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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.
Proteome Sciences 3-Year Share Buyback Ratio vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Proteome Sciences's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Proteome Sciences's 3-Year Share Buyback Ratio falls into.
Proteome Sciences 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of 0.00 mean?
Proteome Sciences (PMSNF) has a 3-Year Share Buyback Ratio of 0.00 as of Dec. 2025. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Proteome Sciences and its competitors. According to the industry distribution chart, Proteome Sciences ranks #999999 out of 174 companies in the Medical Diagnostics & Research industry.
Is Proteome Sciences' 3-Year Share Buyback Ratio too high?
Proteome Sciences' current 3-Year Share Buyback Ratio is 0.00. Based on the distribution chart, Proteome Sciences ranks #999999 out of 174 companies in the Medical Diagnostics & Research industry, which is in the bottom quartile relative to peers.
How does Proteome Sciences' 3-Year Share Buyback Ratio compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Proteome Sciences ranks #999999 out of 174 companies for 3-Year Share Buyback Ratio. This places Proteome Sciences in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Medical Diagnostics & Research company?
A good 3-Year Share Buyback Ratio depends on the Medical Diagnostics & Research industry context. However, 3-Year Share 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 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Proteome Sciences and its competitors. Proteome Sciences's current 3-Year Share Buyback Ratio 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 Proteome Sciences stock overvalued right now?
Based on GuruFocus' analysis, Proteome Sciences (PMSNF) is currently considered Possible Value Trap. The stock's GF Value™ is $0.02, compared to a current price of $0.02 — trading 1.3% above its estimated fair value. The current 3-Year Share Buyback Ratio is 0.00. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Proteome Sciences (PMSNF), the current 3-Year Share Buyback Ratio is 0.00 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.
Proteome Sciences PLC is engaged in protein biomarker research and development. The company is a provider of contract research services for the identification, validation and application of protein biomarkers. The company's only reportable segment is the sale of goods and biomarker services. The company generates maximum revenue from the TMT product and end customer sales-based royalties. Geographically, it has a presence in the United States, the United Kingdom, the European Union, and Others.
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