What is Illumina's operating cash flow?

Illumina (ILMN) reported operating cash flow of $289M in Q1 2026.

How has Illumina's operating cash flow changed year-over-year?

Illumina's operating cash flow increased by 20.4% year-over-year, from $240M to $289M.

What is the long-term trend for Illumina's operating cash flow?

Over 2 years (2023 to 2025), Illumina's operating cash flow has grown at a 50.2% compound annual growth rate (CAGR), from $478M to $1.08B.

What does operating cash flow mean?

Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.

Illumina ILMN Operating Cash Flow

Operating Cash Flow at other companies

RevvityRVTY

$115.23M-10.1%

Thermo Fisher ScientificTMO

$1.19B+64.9%

AzentaAZTA

$13.51M-6.2%

Pacific Biosciences of CaliforniaPACB

-$44.69M-1.4%

Personalis, Inc.PSNL

-$22.48M-25.1%

Guardant HealthGH

-$65.62M-4.7%

Other financials

Income statement

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Revenue$1.1B+4.8%

Gross profit$721.0M+5.6%

Operating income$209.0M+27.4%

Net income$134.0M+2.3%

EPS (diluted)$0.87+6.1%

Balance sheet

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Cash & equivalents$1.1B-2.2%

Total debt$2.0B-3.0%

Total equity$2.7B+13.0%

Total assets$6.6B+6.1%

Cash flow

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CapEx$38.0M+18.8%

Free cash flow$251.0M+20.7%

Valuation

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Market cap$26.6B+91.5%

Enterprise value$27.56B+83.6%

P/E31.2×+20.1×

P/S6.1×+2.8×

Profitability

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Gross margin66.2%-0.1pp

Operating margin19.4%—

Net margin19.4%+12.7pp

FCF margin22.2%+2.0pp

Returns & leverage

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Return on equity33.8%+23.9pp

Debt / equity0.8×-0.1×

Current ratio1.7×-0.1×

Where this comes from

Reported directly by Illumina in its filing.

Tagged under the XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities.

The official record: Illumina’s 10-Q, filed May 4, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Illumina's operating cash flow?: Illumina (ILMN) reported operating cash flow of $289M in Q1 2026.
How has Illumina's operating cash flow changed year-over-year?: Illumina's operating cash flow increased by 20.4% year-over-year, from $240M to $289M.
What is the long-term trend for Illumina's operating cash flow?: Over 2 years (2023 to 2025), Illumina's operating cash flow has grown at a 50.2% compound annual growth rate (CAGR), from $478M to $1.08B.
What does operating cash flow mean?: Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.