Illumina (WBO:ILMN) Institutional Ownership: 70.64% (As of Jul. 15, 2026)

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WBO:ILMN Illumina Inc WBO:ILMN
66 GF Score
Price €165.72
GF Value €112.28
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Illumina Institutional Ownership?

Illumina WBO:ILMN -0.67% 66 Institutional Ownership is 70.64% as of Jul. 15, 2026. GuruFocus rates WBO:ILMN with a GF Score™ of 66/100 and a GF Value™ of €112.28 (Significantly Overvalued). The stock has 7 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, Illumina's institutional ownership is 70.64%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Illumina'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, Illumina's Float Percentage Of Total Shares Outstanding is 61.18%.

Illumina Institutional Ownership Historical Data

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The historical data trend for Illumina'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.

Illumina Institutional Ownership Chart

Illumina Historical Data

The historical data trend for Illumina can be seen below:

2025-09-30 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
Institutional Ownership 75.53 74.48 74.37 76.88 77.31 76.07 70.47 70.86 71.10 70.64
WBO:ILMN
66GF Score
Illumina Inc WBO:ILMN
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Illumina Institutional Ownership Calculation

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

What does a Institutional Ownership of 70.64% mean?
Illumina (WBO:ILMN) has a Institutional Ownership of 70.64% as of Jul. 15, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Illumina and its competitors.
Is Illumina's Institutional Ownership too high?
Illumina's current Institutional Ownership is 70.64%. Overall, Illumina has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Illumina's Institutional Ownership compare to MTD and DGX?
Illumina's Institutional Ownership of 70.64% can be compared against companies in the Medical Diagnostics & Research 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 Medical Diagnostics & Research company?
A good Institutional Ownership depends on the Medical Diagnostics & Research 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 Illumina and its competitors. Illumina's current Institutional Ownership is 70.64%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Illumina stock overvalued right now?
Based on GuruFocus' analysis, Illumina (WBO:ILMN) is currently considered Significantly Overvalued. The stock's GF Value™ is €112.28, compared to a current price of €165.72 — trading 47.6% above its estimated fair value. The current Institutional Ownership is 70.64%. Illumina's overall GF Score™ is 66/100 with 7 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 Illumina (WBO:ILMN), the current Institutional Ownership is 70.64% as of Jul. 15, 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 Illumina (WBO:ILMN) Overvalued in 2026?

Based on GuruFocus' analysis, Illumina stock appears to be overvalued. The current stock price of €165.72 is trading 47.6% above its estimated GF Value™ of €112.28. GuruFocus considers Illumina to be Significantly Overvalued.

Key valuation signals for WBO:ILMN:

  • Institutional Ownership: 70.64%
  • GF Value™: €112.28 vs. price of €165.72 (47.6% above fair value)
  • GF Score™: 66/100 with 7 warning signs

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

Illumina Business Description

Address 5200 Illumina Way, San Diego, CA, USA, 92122
Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (9% of 2024 sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.
66GF Score

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

€165.72
Price
€112.28
GF Value