Illumina Operating Margin Growth & History (ILMN)

Illumina's operating margin was 18.58% for fiscal 2025.

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Illumina annual operating margin history

Illumina annual operating margin

Fiscal yearPeriod endedOperating marginChange (percentage points)
20252025-12-2818.58%+37.63 pp
20242024-12-29−19.05%+4.68 pp
20232023-12-31−23.73%+67.43 pp
20222023-01-01−91.16%−88.45 pp
20212022-01-02−2.72%−20.62 pp
20202021-01-0317.91%−9.89 pp
20192019-12-2927.80%+1.31 pp
20182018-12-3026.49%+4.47 pp
20172017-12-3122.02%−2.46 pp
20162017-01-0124.48%−3.13 pp
20152016-01-0327.61%−0.04 pp
20142014-12-2827.65%+18.22 pp
20132013-12-299.44%−8.04 pp
20122012-12-3017.48%−1.42 pp
20112012-01-0118.90%−4.55 pp
20102011-01-0223.45%+4.60 pp
20092010-01-0318.85%+4.81 pp
20082008-12-2814.04%

Illumina operating margin trends

Over the last five reported fiscal years, Illumina's operating margin increased from 17.91% to 18.58%, a change of +0.67 percentage points. The latest reported quarter, Q2 2026, shows 21.14%.

About the metric

What operating margin means

Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.

Calculation and source

How operating margin is calculated

TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.

Review Illumina filings at SEC.gov ↗