Mirum Pharmaceuticals (STU:08D) Shares Outstanding (Basic Average): 58.9 Mil (As of Mar. 2026)


STU:08D Mirum Pharmaceuticals Inc STU:08D
47 GF Score
Price €100.85
GF Value €72.26
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Mirum Pharmaceuticals Shares Outstanding (Basic Average)?

Mirum Pharmaceuticals STU:08D +3.33% 47 Shares Outstanding (Basic Average) is 58.9 Mil as of Mar. 2026. GuruFocus rates STU:08D with a GF Score™ of 47/100 and a GF Value™ of €72.26 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. Mirum Pharmaceuticals's average basic shares outstanding for the quarter that ended in Mar. 2026 was 58.9 Mil.


Mirum Pharmaceuticals  (STU:08D) Shares Outstanding (Basic Average) Explanation

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.


Mirum Pharmaceuticals Shares Outstanding (Basic Average) Related Terms


Mirum Pharmaceuticals Shares Outstanding (Basic Average) Historical Data

* Premium members only.

The historical data trend for Mirum Pharmaceuticals's Shares Outstanding (Basic 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.

Mirum Pharmaceuticals Shares Outstanding (Basic Average) Chart

Mirum Pharmaceuticals Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shares Outstanding (Basic Average)
Get a 7-Day Free Trial 30.32 33.84 40.89 47.52 50.20

Mirum Pharmaceuticals Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Shares Outstanding (Basic Average) 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 48.89 49.73 50.64 51.52 58.85
STU:08D
47GF Score
Mirum Pharmaceuticals Inc STU:08D
Shares Outstanding (Basic Average) is just one metric. See GF Score™, valuation, warning signs, and more.
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Mirum Pharmaceuticals Shares Outstanding (Basic Average) Calculation

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 (Basic Average) of 58.9 Mil mean?
Mirum Pharmaceuticals (STU:08D) has a Shares Outstanding (Basic Average) of 58.9 Mil as of Mar. 2026. The average shares outstanding over two periods not accounting for dilutive securities like convertible bonds. View historical data on Mirum Pharmaceuticals and its competitors.
Is Mirum Pharmaceuticals' Shares Outstanding (Basic Average) too high?
Mirum Pharmaceuticals' current Shares Outstanding (Basic Average) is 58.9 Mil. Overall, Mirum Pharmaceuticals has a GF Score™ of 47/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mirum Pharmaceuticals' Shares Outstanding (Basic Average) compare to APGE and PTCT?
Mirum Pharmaceuticals' Shares Outstanding (Basic Average) of 58.9 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 (Basic Average) for a Biotechnology company?
A good Shares Outstanding (Basic Average) depends on the Biotechnology industry context. However, Shares Outstanding (Basic 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 (Basic Average) mean?
A high Shares Outstanding (Basic Average) can signal that a stock is expensive relative to its fundamentals. The average shares outstanding over two periods not accounting for dilutive securities like convertible bonds. View historical data on Mirum Pharmaceuticals and its competitors. Mirum Pharmaceuticals's current Shares Outstanding (Basic Average) is 58.9 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mirum Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, Mirum Pharmaceuticals (STU:08D) is currently considered Significantly Overvalued. The stock's GF Value™ is €72.26, compared to a current price of €100.85 — trading 39.6% above its estimated fair value. The current Shares Outstanding (Basic Average) is 58.9 Mil. Mirum Pharmaceuticals' overall GF Score™ is 47/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Outstanding (Basic Average) calculated?
Shares Outstanding (Basic Average) is calculated from a company's financial statements. For Mirum Pharmaceuticals (STU:08D), the current Shares Outstanding (Basic Average) is 58.9 Mil 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 Mirum Pharmaceuticals (STU:08D) Overvalued in 2026?

Based on GuruFocus' analysis, Mirum Pharmaceuticals stock appears to be overvalued. The current stock price of €100.85 is trading 39.6% above its estimated GF Value™ of €72.26. GuruFocus considers Mirum Pharmaceuticals to be Significantly Overvalued.

Key valuation signals for STU:08D:

  • Shares Outstanding (Basic Average): 58.9 Mil
  • GF Value™: €72.26 vs. price of €100.85 (39.6% above fair value)
  • GF Score™: 47/100 with 6 warning signs

No single metric tells the full story. See the STU:08D stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Mirum Pharmaceuticals Business Description

Other Exchanges MIRM:USA
Address 989 East Hillsdale Boulevard, Suite 300, Foster City, CA, USA, 94404
Mirum Pharmaceuticals Inc. is a biopharmaceutical company focused on developing and commercializing therapies for rare and orphan diseases. Its main product, Livmarli (maralixibat), is an orally administered IBAT inhibitor approved to treat cholestatic pruritus in patients with Alagille syndrome. The company is also developing treatments such as maralixibat for PFIC and ALGS, and volixibat for adult cholestatic liver diseases. Mirum currently has three approved medicines: Livmarli, Cholbam, and Ctexli.
47GF Score

Get the complete analysis for STU:08D

Shares Outstanding (Basic Average) is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€100.85
Price
€72.26
GF Value