ILLUMINA, Inc. (ILMN) intrinsic value & 10-year financials

ILLUMINA, Inc. (ILMN) has a Graham intrinsic value of $100.81 per share. At $262.54 on Oct 17, 2026, the stock trades 160% above that value. Over the last 10 fiscal years revenue grew 9.9% a year to $4.3B, with an average return on invested capital of 9.6%.

Graham intrinsic value
$100.81
Share price (Oct 17, 2026)
$262.54
Price vs Graham value
160% above
Market cap
$41.0B
Revenue (FY2025)
$4.3B
Revenue growth (10-yr CAGR)
9.9%
ROIC (10-yr avg)
9.6%
Free cash flow (FY2025)
$931.0M

ILMN 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $4.3B $850.0M $5.45 $931.0M 18.6% 15.8%
FY2024 $4.4B -$1.2B -$7.69 $709.0M -19.1% -15.3%
FY2023 $4.5B -$1.2B -$7.34 $283.0M -23.7% -11.8%
FY2022 $4.5B $762.0M $5.04 $337.0M -2.7% -1.3%
FY2021 $3.2B $656.0M $4.45 $891.0M 17.9% 9.7%
FY2019 $3.5B $1.0B $6.74 $842.0M 27.8% 19.4%
FY2018 $3.3B $826.0M $5.56 $846.0M 26.5% 21.2%
FY2017 $2.8B $726.0M $4.92 $565.0M 22.0% 16.5%
FY2016 $2.2B $461.6M $3.10 $516.7M 27.6% 22.5%
FY2014 $1.9B $353.4M $2.37 $395.3M 27.7% 19.1%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

ILLUMINA, INC. is a consistent compounder, expanding top-line revenue at 9.9% annually over the past decade.

ILLUMINA, INC. returns on capital have been average, hovering around 9.6% ROIC over the decade.

Over the decade, ILLUMINA, INC. shows that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, ILLUMINA, INC. is modeled at 6.5% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $100.81 per share.

ILMN stock: frequently asked questions

What is the intrinsic value of ILLUMINA, Inc. (ILMN) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 6.5% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, ILMN's intrinsic value is about $100.81 per share.

Is ILMN stock undervalued?

At $262.54 (close on Oct 17, 2026), ILMN trades 160% above its Graham value of $100.81. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has ILLUMINA, Inc. grown?

Revenue went from $1.9B in fiscal 2014 to $4.3B in fiscal 2025, a compound annual growth rate of 9.9%. Net income was $850.0M in fiscal 2025.

Does ILLUMINA, Inc. generate free cash flow?

ILLUMINA, Inc. generated $931.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 10 of the last 10 reported years.

What is ILMN's return on invested capital?

Average ROIC over the last 10 fiscal years was 9.6%, and average return on equity was 14.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this ILMN data come from?

From ILLUMINA, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 31, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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