Illumina (XSWX:ILMN) GF Score: 76/100 (As of Jun. 27, 2026) — Near Median


XSWX:ILMN Illumina Inc XSWX:ILMN
76 GF Score
Price CHF143.95
GF Value CHF105.51
! 7 Warning Signs
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What is Illumina GF Score?

Illumina XSWX:ILMN -0.79% 76 GF Score is 76 as of Jun. 27, 2026, which is 8% below its 10-year median of 83.00. GuruFocus rates XSWX:ILMN with a GF Score™ of 76/100 and a GF Value™ of CHF105.51. The stock has 7 warning signs investors should review.

Illumina has the GF Score of 76, which implies that the company is Likely to have average performance.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 7/10
2. Profitability Rank : 7/10
3. Growth Rank : 4/10
4. GF Value Rank : 5/10
5. Momentum Rank : 10/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes Illumina is Likely to have average performance.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

Illumina  (XSWX:ILMN) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.

Illumina GF Score Related Terms

XSWX:ILMN vs MTD, DGX, LH: GF Score Comparison

For the Diagnostics & Research subindustry, Illumina's GF Score, along with its competitors' market caps and GF Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Illumina GF Score vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, Illumina's GF Score distribution charts can be found below:

* The bar in red indicates where Illumina's GF Score falls into.


XSWX:ILMN
76GF Score
Illumina Inc XSWX:ILMN
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 76 mean?
Illumina (XSWX:ILMN) has a GF Score of 76 as of Jun. 27, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Illumina and its competitors. This is near median its historical median of 83.00. Over the past decade, Illumina's GF Score has ranged from 76.00 to 83.00.
Is Illumina's GF Score too high?
Illumina's current GF Score of 76 is near median its 10-year median of 83.00. Over the past 10 years, this metric has ranged from a low of 76.00 to a high of 83.00. Overall, Illumina has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Illumina's GF Score compare to MTD and DGX?
Illumina's GF Score of 76 can be compared against companies in the Medical Diagnostics & Research industry. Historically, Illumina's own GF Score has ranged from 76.00 to 83.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Medical Diagnostics & Research company?
A good GF Score depends on the Medical Diagnostics & Research industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Illumina and its competitors. Illumina's current GF Score is 76, which is near median its own 10-year median of 83.00. 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?
Illumina (XSWX:ILMN) has a current GF Score of 76. The stock's GF Value™ is CHF105.51, compared to a current price of CHF143.95 — trading 36.4% above its estimated fair value. The current GF Score is 76, which is near median its 10-year median of 83.00. Illumina's overall GF Score™ is 76/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Illumina (XSWX:ILMN), the current GF Score is 76 as of Jun. 27, 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 (XSWX:ILMN) Overvalued in 2026?

Based on GuruFocus' analysis, Illumina stock appears to be overvalued. The current stock price of CHF143.95 is trading 36.4% above its estimated GF Value™ of CHF105.51.

Key valuation signals for XSWX:ILMN:

  • GF Score: 76 (near median its 10-year median of 83.00)
  • GF Value™: CHF105.51 vs. price of CHF143.95 (36.4% above fair value)
  • GF Score™: 76/100 with 7 warning signs

No single metric tells the full story. See the XSWX: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.
76GF Score

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

CHF143.95
Price
CHF105.51
GF Value