ILMN PE Ratio & Valuation,Is ILMN Overvalued

ILMN Relative Valuation

ILMN's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average, adjusted by weights. If the market price exceeds this fair value range, ILMN is overvalued; if below, it's undervalued.

Historical Valuation

Illumina Inc (ILMN) is now in the Undervalued zone, suggesting that its current forward PE ratio of 27.41 is considered Undervalued compared with the five-year average of 80.59. The fair price of Illumina Inc (ILMN) is between 160.16 to 572.59 according to relative valuation methord. Compared to the current price of 134.87 USD , Illumina Inc is Undervalued By 15.79%.

Relative Value

Fair Zone

160.16-572.59

Current Price：134.87

15.79%

Undervalued

27.41

18.37

EV/EBITDA

Illumina Inc. (ILMN) has a current EV/EBITDA of 18.37. The 5-year average EV/EBITDA is 40.21. The thresholds are as follows: Strongly Undervalued below -2.24, Undervalued between -2.24 and 18.98, Fairly Valued between 61.43 and 18.98, Overvalued between 61.43 and 82.65, and Strongly Overvalued above 82.65. The current Forward EV/EBITDA of 18.37 falls within the Undervalued range.

21.84

EV/EBIT

Illumina Inc. (ILMN) has a current EV/EBIT of 21.84. The 5-year average EV/EBIT is 55.96. The thresholds are as follows: Strongly Undervalued below -10.46, Undervalued between -10.46 and 22.75, Fairly Valued between 89.17 and 22.75, Overvalued between 89.17 and 122.38, and Strongly Overvalued above 122.38. The current Forward EV/EBIT of 21.84 falls within the Undervalued range.

4.74

Illumina Inc. (ILMN) has a current PS of 4.74. The 5-year average PS is 7.42. The thresholds are as follows: Strongly Undervalued below -0.53, Undervalued between -0.53 and 3.45, Fairly Valued between 11.39 and 3.45, Overvalued between 11.39 and 15.37, and Strongly Overvalued above 15.37. The current Forward PS of 4.74 falls within the Historic Trend Line -Fairly Valued range.

18.16

P/OCF

Illumina Inc. (ILMN) has a current P/OCF of 18.16. The 5-year average P/OCF is 51.34. The thresholds are as follows: Strongly Undervalued below -36.63, Undervalued between -36.63 and 7.36, Fairly Valued between 95.32 and 7.36, Overvalued between 95.32 and 139.31, and Strongly Overvalued above 139.31. The current Forward P/OCF of 18.16 falls within the Historic Trend Line -Fairly Valued range.

21.81

P/FCF

Illumina Inc. (ILMN) has a current P/FCF of 21.81. The 5-year average P/FCF is 69.93. The thresholds are as follows: Strongly Undervalued below -53.35, Undervalued between -53.35 and 8.29, Fairly Valued between 131.57 and 8.29, Overvalued between 131.57 and 193.21, and Strongly Overvalued above 193.21. The current Forward P/FCF of 21.81 falls within the Historic Trend Line -Fairly Valued range.

Illumina Inc (ILMN) has a current Price-to-Book (P/B) ratio of 8.67. Compared to its 3-year average P/B ratio of 6.41 , the current P/B ratio is approximately 35.15% higher. Relative to its 5-year average P/B ratio of 6.98, the current P/B ratio is about 24.06% higher. Illumina Inc (ILMN) has a Forward Free Cash Flow (FCF) yield of approximately 4.85%. Compared to its 3-year average FCF yield of 2.49%, the current FCF yield is approximately 94.74% lower. Relative to its 5-year average FCF yield of 1.85% , the current FCF yield is about 161.90% lower.

8.67

P/B

Median3y

6.41

Median5y

6.98

4.85

FCF Yield

Median3y

2.49

Median5y

1.85

Competitors Valuation Multiple

The average P/S ratio for ILMN's competitors is 5.17, providing a benchmark for relative valuation. Illumina Inc Corp (ILMN) exhibits a P/S ratio of 4.74, which is -8.36% above the industry average. Given its robust revenue growth of 0.37%, this premium appears unsustainable.

P/S

P/E

EV/EBITDA

EV/EBIT

Revenue Growth

Market Cap

Performance Decomposition

Market capitalization of ILMN increased by 0.93% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 16.85 to 30.23.

The secondary factor is the Revenue Growth, contributed 0.37%to the performance.

Overall, the performance of ILMN in the past 1 year is driven by P/E Change. Which is more unsustainable.

0.37%

1.08B → 1.08B

Revenue Growth

-78.80%

65.28 → 13.84

Margin Expansion

79.36%

16.85 → 30.23

P/E Change

0.93%

133.63 → 134.87

Mkt Cap Growth

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Frequently Asked Questions

Is Illumina Inc (ILMN) currently overvalued or undervalued?

What is Illumina Inc (ILMN) fair value?

ILMN's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average , adjusted by weights. The fair price of Illumina Inc (ILMN) is between 160.16 to 572.59 according to relative valuation methord.

How does ILMN's valuation metrics compare to the industry average?

What is the current P/B ratio for Illumina Inc (ILMN) as of Dec 15 2025?

As of Dec 15 2025, Illumina Inc (ILMN) has a P/B ratio of 8.67. This indicates that the market values ILMN at 8.67 times its book value.

What is the current FCF Yield for Illumina Inc (ILMN) as of Dec 15 2025?

As of Dec 15 2025, Illumina Inc (ILMN) has a FCF Yield of 4.85%. This means that for every dollar of Illumina Inc’s market capitalization, the company generates 4.85 cents in free cash flow.

What is the current Forward P/E ratio for Illumina Inc (ILMN) as of Dec 15 2025?

As of Dec 15 2025, Illumina Inc (ILMN) has a Forward P/E ratio of 27.41. This means the market is willing to pay $27.41 for every dollar of Illumina Inc’s expected earnings over the next 12 months.

What is the current Forward P/S ratio for Illumina Inc (ILMN) as of Dec 15 2025?

As of Dec 15 2025, Illumina Inc (ILMN) has a Forward P/S ratio of 4.74. This means the market is valuing ILMN at $4.74 for every dollar of expected revenue over the next 12 months.

ILMN Valuation