IonQ (STU:0YB0) Institutional Ownership: 30.76% (As of Aug. 22, 2026)

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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:0YB0 IonQ Inc STU:0YB0
31 GF Score
Price €38.53
GF Value €78.93
Valuation Possible Value Trap
! 4 Warning Signs
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What is IonQ Institutional Ownership?

IonQ STU:0YB0 +8.37% 31 Institutional Ownership is 30.76% as of Aug. 22, 2026. GuruFocus rates STU:0YB0 with a GF Score™ of 31/100 and a GF Value™ of €78.93 (Possible Value Trap). The stock has 4 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, IonQ's institutional ownership is 30.76%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, IonQ'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, IonQ's Float Percentage Of Total Shares Outstanding is 99.52%.

IonQ Institutional Ownership Historical Data

* Premium members only.

The historical data trend for IonQ'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.

IonQ Institutional Ownership Chart

IonQ Historical Data

The historical data trend for IonQ 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 34.10 37.39 37.42 36.21 35.60 35.46 35.70 36.38 31.24 30.76
STU:0YB0
31GF Score
IonQ Inc STU:0YB0
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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IonQ Institutional Ownership Calculation

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

What does a Institutional Ownership of 30.76% mean?
IonQ (STU:0YB0) has a Institutional Ownership of 30.76% as of Aug. 22, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on IonQ and its competitors.
Is IonQ's Institutional Ownership too high?
IonQ's current Institutional Ownership is 30.76%. Overall, IonQ has a GF Score™ of 31/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does IonQ's Institutional Ownership compare to QBTS and SMCI?
IonQ's Institutional Ownership of 30.76% can be compared against companies in the Hardware 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 Hardware company?
A good Institutional Ownership depends on the Hardware 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 IonQ and its competitors. IonQ's current Institutional Ownership is 30.76%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is IonQ stock overvalued right now?
Based on GuruFocus' analysis, IonQ (STU:0YB0) is currently considered Possible Value Trap. The stock's GF Value™ is €78.93, compared to a current price of €38.53 — trading 51.2% below its estimated fair value. The current Institutional Ownership is 30.76%. IonQ's overall GF Score™ is 31/100 with 4 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 IonQ (STU:0YB0), the current Institutional Ownership is 30.76% as of Aug. 22, 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 IonQ (STU:0YB0) Overvalued in 2026?

Based on GuruFocus' analysis, IonQ stock appears to be undervalued. The current stock price of €38.53 is trading 51.2% below its estimated GF Value™ of €78.93. GuruFocus considers IonQ to be Possible Value Trap.

Key valuation signals for STU:0YB0:

  • Institutional Ownership: 30.76%
  • GF Value™: €78.93 vs. price of €38.53 (51.2% below fair value)
  • GF Score™: 31/100 with 4 warning signs

No single metric tells the full story. See the STU:0YB0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

IonQ Business Description

Other Exchanges IONQ:USA1IONQ:Italy
Address 4505 Campus Drive, College Park, MD, USA, 20740
IonQ Inc sells access to several quantum computers of various qubit capacities and is in the process of researching and developing technologies for quantum computers with increasing computational capabilities. The company currently makes access to its quantum computers available via cloud platforms and also to select customers via its own cloud service. This cloud-based approach enables the broad availability of quantum-computing-as-a-service (QCaaS). The company derives its revenue from its quantum-computing-as-a-service arrangements, consulting services related to co-developing algorithms on company's quantum computing systems and contracts associated with the design, development, and construction of specialized quantum computing systems together with related services.
31GF Score

Get the complete analysis for STU:0YB0

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

€38.53
Price
€78.93
GF Value