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Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. Ionis Pharmaceuticals's average diluted shares outstanding for the quarter that ended in Jun. 2026 was 165 Mil.
A company may buy back shares or issue shares in any fiscal period. If a company buys back shares, we should observe that the total number of shares decline. If the company issues new shares, the number of shares outstanding increases.
Be Aware
Usually the presence of treasury shares and a history of buyback are good indicators that company has competitive advantage. But studies have shown that companies usually buy back at wrong time. Buying back shares below its intrinsic value increases value for remaining shareholders. Buying back overvalued shares destroys value for existing shareholders.
Ionis Pharmaceuticals Shares Outstanding (Diluted Average) Related Terms
Ionis Pharmaceuticals Shares Outstanding (Diluted Average) Historical Data
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The historical data trend for Ionis Pharmaceuticals's Shares Outstanding (Diluted Average) 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.
Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. They have voting rights and represent ownership in the corporation by the person that holds the shares. They should be distinguished from treasury shares, which are shares held by the corporation itself, having no exercisable rights.
Shares outstanding can be calculated as either basic or fully diluted. The fully diluted shares outstanding count includes diluting securities, such as options, warrants or convertibles.
Please note: GuruFocus named Shares Outstanding (EOP) is the shares for that exact time point. It is usually used to calculate balance sheet related items, such as Book Value per Share, etc. While Shares Outstanding (Diluted Average) and Shares Outstanding (Basic Average) are the weighted average shares over a period of time (a year, a quarter, or so). They are usually used to calculate income statement or cashflow statement related items, such as Earnings per Share (Diluted), etc.
What does a Shares Outstanding (Diluted Average) of 165 Mil mean?
Ionis Pharmaceuticals (MEX:IONS) has a Shares Outstanding (Diluted Average) of 165 Mil as of Jun. 2026. The average shares outstanding over two periods including dilutive securities like preferred shares and convertibles. View historical data on Ionis Pharmaceuticals and its competitors.
Is Ionis Pharmaceuticals' Shares Outstanding (Diluted Average) too high?
Ionis Pharmaceuticals' current Shares Outstanding (Diluted Average) is 165 Mil. Overall, Ionis Pharmaceuticals has a GF Score™ of 72/100, reflecting its overall financial health beyond just this single metric.
How does Ionis Pharmaceuticals' Shares Outstanding (Diluted Average) compare to KYMR and PRAX?
Ionis Pharmaceuticals' Shares Outstanding (Diluted Average) of 165 Mil 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 Shares Outstanding (Diluted Average) for a Biotechnology company?
A good Shares Outstanding (Diluted Average) depends on the Biotechnology industry context. However, Shares Outstanding (Diluted Average) 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 Outstanding (Diluted Average) mean?
A high Shares Outstanding (Diluted Average) can signal that a stock is expensive relative to its fundamentals. The average shares outstanding over two periods including dilutive securities like preferred shares and convertibles. View historical data on Ionis Pharmaceuticals and its competitors. Ionis Pharmaceuticals's current Shares Outstanding (Diluted Average) is 165 Mil. 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 Shares Outstanding (Diluted Average) of 165 Mil. The stock's GF Value™ is MXN1,016.09, compared to a current price of MXN1,150.00 — trading 13.2% above its estimated fair value. The current Shares Outstanding (Diluted Average) is 165 Mil. Ionis Pharmaceuticals' overall GF Score™ is 72/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Outstanding (Diluted Average) calculated?
Shares Outstanding (Diluted Average) is calculated from a company's financial statements. For Ionis Pharmaceuticals (MEX:IONS), the current Shares Outstanding (Diluted Average) is 165 Mil 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 13.2% above its estimated GF Value™ of MXN1,016.09.
Key valuation signals for MEX:IONS:
Shares Outstanding (Diluted Average): 165 Mil
GF Value™: MXN1,016.09 vs. price of MXN1,150.00 (13.2% 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).
72GF Score
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