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Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance. Ionis Pharmaceuticals's current 3-Month Share Buyback Ratio was 0.16%.
Ionis Pharmaceuticals (MEX:IONS) 3-Month Share Buyback Ratio Explanation
A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance.
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.
Ionis Pharmaceuticals 3-Month Share Buyback Ratio Related Terms
MEX:IONS vs KYMR, PRAX, HALO: 3-Month Share Buyback Ratio Comparison
For the Biotechnology subindustry, Ionis Pharmaceuticals's 3-Month Share Buyback Ratio, along with its competitors' market caps and 3-Month 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.
Ionis Pharmaceuticals 3-Month Share Buyback Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Ionis Pharmaceuticals's 3-Month Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Ionis Pharmaceuticals's 3-Month Share Buyback Ratio falls into.
* 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.
What does a 3-Month Share Buyback Ratio of 0.16 mean?
Ionis Pharmaceuticals (MEX:IONS) has a 3-Month Share Buyback Ratio of 0.16 as of Jun. 2026. The 3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. View historical data for Ionis Pharmaceuticals and its competitors.
Is Ionis Pharmaceuticals' 3-Month Share Buyback Ratio too high?
Ionis Pharmaceuticals' current 3-Month Share Buyback Ratio is 0.16. Overall, Ionis Pharmaceuticals has a GF Score™ of 71/100, reflecting its overall financial health beyond just this single metric.
How does Ionis Pharmaceuticals' 3-Month Share Buyback Ratio compare to KYMR and PRAX?
Ionis Pharmaceuticals' 3-Month Share Buyback Ratio of 0.16 can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Month Share Buyback Ratio for a Biotechnology company?
A good 3-Month Share Buyback Ratio depends on the Biotechnology industry context. However, 3-Month 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-Month Share Buyback Ratio mean?
A high 3-Month Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. View historical data for Ionis Pharmaceuticals and its competitors. Ionis Pharmaceuticals's current 3-Month Share Buyback Ratio is 0.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ionis Pharmaceuticals stock overvalued right now?
Ionis Pharmaceuticals (MEX:IONS) has a current 3-Month Share Buyback Ratio of 0.16. The stock's GF Value™ is MXN1,061.81, compared to a current price of MXN1,150.00 — trading 8.3% above its estimated fair value. The current 3-Month Share Buyback Ratio is 0.16. Ionis Pharmaceuticals' overall GF Score™ is 71/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Month Share Buyback Ratio calculated?
3-Month Share Buyback Ratio is calculated from a company's financial statements. For Ionis Pharmaceuticals (MEX:IONS), the current 3-Month Share Buyback Ratio is 0.16 as of Jun. 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 Ionis Pharmaceuticals (MEX:IONS) Overvalued in 2026?
Based on GuruFocus' analysis, Ionis Pharmaceuticals stock appears to be overvalued.
The current stock price of MXN1,150.00 is trading 8.3% above its estimated GF Value™ of MXN1,061.81.
Key valuation signals for MEX:IONS:
3-Month Share Buyback Ratio: 0.16
GF Value™: MXN1,061.81 vs. price of MXN1,150.00 (8.3% above fair value)
No single metric tells the full story. See the MEX:IONS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ionis Pharmaceuticals is the leading developer of antisense technology to discover and develop novel drugs. Its broad clinical and preclinical pipeline targets a wide variety of diseases, with an emphasis on cardiovascular, metabolic, neurological, and rare diseases. Ionis and Biogen brought Spinraza to market in 2016 as a treatment for spinal muscular atrophy, and Biogen launched ALS drug Qalsody in 2023. Ionis brought two additional drugs to market via its cardiovascular-focused subsidiary Akcea, including ATTR amyloidosis drug Tegsedi (2018) and cardiology drug Waylivra (Europe, 2019). Ionis and AstraZeneca launched polyneuropathy drug Wainua in 2024. Ionis marked its first two independent launches in 2025 for Tryngolza (for FCS) and Dawnzera (for HAE).
71GF Score
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