MannKind (STU:NNFN) Institutional Ownership: 30.82% (As of Aug. 20, 2026)

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STU:NNFN MannKind Corp STU:NNFN
71 GF Score
Price €3.73
GF Value €6.46
Valuation Possible Value Trap
! 8 Warning Signs
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What is MannKind Institutional Ownership?

MannKind STU:NNFN +6.66% 71 Institutional Ownership is 30.82% as of Aug. 20, 2026. GuruFocus rates STU:NNFN with a GF Score™ of 71/100 and a GF Value™ of €6.46 (Possible Value Trap). The stock has 8 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, MannKind's institutional ownership is 30.82%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, MannKind's Insider Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, MannKind's Float Percentage Of Total Shares Outstanding is 98.68%.

MannKind Institutional Ownership Historical Data

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The historical data trend for MannKind's Institutional Ownership 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.

MannKind Institutional Ownership Chart

MannKind Historical Data

The historical data trend for MannKind can be seen below:

2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30 2026-07-31
Institutional Ownership 30.02 30.54 31.15 31.18 30.84 32.84 32.18 31.47 29.81 30.82
STU:NNFN
71GF Score
MannKind Corp STU:NNFN
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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MannKind Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 30.82% mean?
MannKind (STU:NNFN) has a Institutional Ownership of 30.82% as of Aug. 20, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on MannKind and its competitors.
Is MannKind's Institutional Ownership too high?
MannKind's current Institutional Ownership is 30.82%. Overall, MannKind has a GF Score™ of 71/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does MannKind's Institutional Ownership compare to ABSI and ORIC?
MannKind's Institutional Ownership of 30.82% 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 Institutional Ownership for a Biotechnology company?
A good Institutional Ownership depends on the Biotechnology industry context. However, Institutional Ownership 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 Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on MannKind and its competitors. MannKind's current Institutional Ownership is 30.82%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MannKind stock overvalued right now?
Based on GuruFocus' analysis, MannKind (STU:NNFN) is currently considered Possible Value Trap. The stock's GF Value™ is €6.46, compared to a current price of €3.73 — trading 42.2% below its estimated fair value. The current Institutional Ownership is 30.82%. MannKind's overall GF Score™ is 71/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For MannKind (STU:NNFN), the current Institutional Ownership is 30.82% as of Aug. 20, 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 MannKind (STU:NNFN) Overvalued in 2026?

Based on GuruFocus' analysis, MannKind stock appears to be undervalued. The current stock price of €3.73 is trading 42.2% below its estimated GF Value™ of €6.46. GuruFocus considers MannKind to be Possible Value Trap.

Key valuation signals for STU:NNFN:

  • Institutional Ownership: 30.82%
  • GF Value™: €6.46 vs. price of €3.73 (42.2% below fair value)
  • GF Score™: 71/100 with 8 warning signs

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

MannKind Business Description

Other Exchanges MNKD:USA
Address 1 Casper Street, Danbury, CT, USA, 06810
MannKind Corp is a biopharmaceutical company focused on the development and commercialization of patient-centric therapies that address serious unmet medical needs for those living with cardiometabolic and orphan lung diseases. The Company is currently commercializing three products: Afrezza (insulin human) Inhalation Powder, an ultra rapid-acting inhaled insulin indicated to improve glycemic control in adults with diabetes; Furoscix (furosemide injection), to treat fluid buildup in patients with chronic heart failure or chronic kidney disease; and the V-Go wearable insulin delivery device, which provides continuous subcutaneous infusion of insulin in adults that require insulin.
71GF Score

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Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€3.73
Price
€6.46
GF Value