Last 47 quarters of trend data · Healthcare · Medical - Diagnostics & Research
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
| Metric | TTM | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 49.43 | 32.69 | 33.81 | 15.55 | 23.63 | 15.80 | 24.39 | 28.90 | 7.38 | — | — | — | — | — | 2973.68 | — | — | — | 163.73 | 130.18 | 46.34 |
| — | +106.9% | +38.6% | -46.2% | +220.4% | — | — | — | — | — | — | — | — | — | +1716.2% | — | — | — | +75.0% | +153.2% | -23.0% | |
| P/S Ratio | 9.40 | 5.83 | 4.15 | 4.48 | 3.26 | 3.52 | 3.05 | 4.90 | 4.82 | 3.73 | 4.93 | 4.79 | 4.71 | 6.12 | 8.21 | 7.17 | 6.53 | 6.27 | 11.49 | 12.10 | 13.25 |
| — | +65.5% | +35.9% | -8.6% | -32.4% | -5.7% | -38.0% | +2.2% | +2.3% | -39.0% | -40.0% | -33.1% | -27.9% | -2.4% | -28.6% | -40.8% | -50.7% | -58.4% | -8.6% | -12.7% | -2.5% | |
| P/B Ratio | 15.43 | 9.52 | 6.77 | 7.63 | 5.93 | 6.59 | 5.37 | 9.12 | 9.80 | 11.56 | 3.70 | 3.75 | 3.57 | 4.39 | 5.34 | 4.70 | 4.32 | 2.79 | 5.16 | 5.40 | 5.54 |
| — | +44.4% | +26.1% | -16.3% | -39.5% | -43.0% | +45.2% | +143.5% | +174.1% | +163.1% | -30.6% | -20.4% | -17.4% | +57.4% | +3.4% | -12.9% | -22.0% | -78.7% | -53.8% | -52.0% | -39.6% | |
| P/FCF | 43.78 | 41.94 | 18.05 | 19.46 | 13.58 | 17.63 | 15.82 | 16.15 | 18.33 | 84.68 | 129.38 | 31.27 | 56.06 | 124.09 | — | 131.56 | — | 134.95 | 126.64 | 68.45 | — |
| — | +137.9% | +14.1% | +20.5% | -25.9% | -79.2% | -87.8% | -48.4% | -67.3% | -31.8% | — | -76.2% | — | -8.0% | — | +92.2% | — | +66.3% | +121.0% | +78.2% | — | |
| EV / EBITDA | 36.94 | 22.62 | 17.60 | 16.91 | 13.13 | 14.26 | 14.05 | 21.19 | 6.97 | — | — | — | — | 378.55 | 216.72 | — | — | — | 52.27 | 114.14 | — |
| — | +58.6% | +25.3% | -20.2% | +88.2% | — | — | — | — | — | — | — | — | — | +314.6% | — | — | — | -5.7% | +57.8% | — | |
| EV / EBIT | 48.49 | 27.40 | 27.04 | 13.56 | 15.97 | 12.50 | 17.17 | 27.29 | 7.48 | — | — | — | — | — | — | — | — | — | 98.45 | 149.88 | 34.66 |
| — | +119.3% | +57.5% | -50.3% | +113.4% | — | — | — | — | — | — | — | — | — | — | — | — | — | +38.5% | +256.6% | -27.6% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
| Metric | TTM | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 66.7% | 66.4% | 66.1% | 67.1% | 67.6% | 67.8% | 65.8% | 65.9% | 69.0% | 64.8% | 62.0% | 60.1% | 61.1% | 62.2% | 60.3% | 62.0% | 64.3% | 66.0% | 66.6% | 68.1% | 69.5% |
| — | -2.1% | +0.4% | +1.7% | -2.0% | +4.6% | +6.2% | +9.8% | +12.9% | +4.2% | +2.9% | -3.2% | -4.9% | -5.7% | -9.6% | -8.9% | -7.5% | -7.3% | -4.7% | +3.1% | +4.9% | |
| Operating Margin | 19.9% | 21.1% | 19.2% | 22.2% | 21.3% | 21.0% | 17.7% | 18.3% | 68.6% | -147.2% | -10.3% | -14.6% | -67.4% | -7.5% | -5.9% | -11.7% | -328.0% | -49.8% | 15.0% | 3.4% | -49.2% |
| — | +0.6% | +8.4% | +21.1% | -68.9% | +114.3% | +271.3% | +225.2% | +201.8% | -1867.3% | -75.2% | -24.6% | +79.5% | +85.0% | -139.1% | -442.9% | -566.8% | -400.0% | -14.8% | -75.5% | -341.1% | |
| Net Margin | 19.6% | 17.9% | 12.3% | 28.8% | 13.9% | 22.2% | 12.6% | 16.9% | 65.3% | -178.8% | -11.7% | -15.6% | -67.4% | -19.9% | 0.3% | -12.8% | -342.2% | -46.0% | 7.0% | 9.3% | 28.6% |
| — | -19.7% | -2.4% | +70.0% | -78.8% | +112.4% | +207.5% | +208.6% | +196.9% | -798.5% | -4342.8% | -21.5% | +80.3% | +56.8% | -96.1% | -237.4% | -1296.2% | -380.2% | -47.7% | -65.4% | +26.9% |
| Metric | TTM | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 33.4% | 7.5% | 5.0% | 13.1% | 6.5% | 10.2% | 5.5% | 8.3% | 39.6% | -55.5% | -2.2% | -3.0% | -12.1% | -3.5% | 0.0% | -2.1% | -44.4% | -5.0% | 0.8% | 1.1% | 4.0% |
| — | -26.1% | -10.2% | +57.4% | -83.7% | +118.3% | +351.7% | +376.6% | +427.0% | -1469.8% | -4967.6% | -44.1% | +72.7% | +29.5% | -94.3% | -298.6% | -1205.5% | -236.9% | -74.0% | -80.8% | +4.0% | |
| ROA | 13.1% | 3.1% | 2.0% | 5.2% | 2.4% | 3.8% | 2.1% | 3.0% | 11.7% | -24.7% | -1.3% | -1.7% | -6.9% | -2.0% | 0.0% | -1.2% | -28.6% | -3.5% | 0.6% | 0.7% | 2.7% |
| — | -18.2% | -3.3% | +71.6% | -79.0% | +115.5% | +267.8% | +275.5% | +269.3% | -1142.9% | -5122.5% | -46.3% | +75.9% | +43.0% | -95.6% | -259.9% | -1170.1% | -264.1% | -68.6% | -78.4% | +9.3% | |
| ROIC | 16.8% | 4.3% | 3.9% | 5.0% | 4.4% | 4.3% | 3.6% | 3.9% | 15.1% | -23.7% | -1.2% | -1.7% | -7.4% | -0.8% | -0.6% | -1.2% | -27.4% | -3.6% | 1.1% | 0.3% | -5.3% |
| — | +1.6% | +9.9% | +27.8% | -70.7% | +118.0% | +397.2% | +324.3% | +304.0% | -2834.6% | -105.3% | -49.5% | +73.0% | +77.7% | -151.3% | -554.1% | -417.9% | -187.9% | -67.9% | -87.7% | -307.2% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
| Metric | TTM | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.94 | 0.89 | 0.95 | 0.94 | 1.08 | 1.15 | 1.10 | 1.10 | 1.26 | 2.03 | 0.40 | 0.39 | 0.39 | 0.46 | 0.46 | 0.54 | 0.38 | 0.25 | 0.24 | 0.24 | 0.24 |
| — | -22.6% | -13.6% | -15.1% | -14.0% | -43.4% | +177.4% | +180.6% | +226.7% | +337.5% | -13.2% | -26.9% | +1.0% | +87.5% | +90.6% | +127.8% | +59.2% | -47.3% | -58.9% | -41.8% | -40.9% | |
| Debt / EBITDA | 2.25 | 8.02 | 9.15 | 7.88 | 8.64 | 8.96 | 10.30 | 9.60 | 3.30 | — | — | — | — | 152.40 | 71.21 | — | — | — | 9.51 | 19.54 | — |
| — | -10.5% | -11.2% | -18.0% | +162.2% | — | — | — | — | — | — | — | — | — | +648.9% | — | — | — | -20.3% | +87.6% | — | |
| Current Ratio | 2.08 | 1.80 | 1.75 | 2.08 | 1.43 | 1.81 | 1.86 | 1.78 | 2.43 | 1.11 | 1.75 | 1.66 | 1.69 | 1.40 | 1.42 | 1.28 | 0.93 | 1.00 | 1.85 | 2.48 | 2.68 |
| — | -0.6% | -5.8% | +16.9% | -41.4% | +62.3% | +5.9% | +6.8% | +43.9% | -20.4% | +23.2% | +29.4% | +81.5% | +39.5% | -23.1% | -48.3% | -65.3% | -83.5% | -58.4% | -31.1% | -30.9% | |
| Quick Ratio | 1.72 | 1.40 | 1.36 | 1.72 | 1.12 | 1.41 | 1.48 | 1.42 | 1.85 | 0.86 | 1.36 | 1.29 | 1.28 | 1.13 | 1.16 | 1.08 | 0.72 | 0.82 | 1.54 | 2.09 | 2.24 |
| — | -1.2% | -8.4% | +20.9% | -39.1% | +64.5% | +9.4% | +10.4% | +44.6% | -24.0% | +16.9% | +19.3% | +76.6% | +37.4% | -24.5% | -48.3% | -67.8% | -85.4% | -63.1% | -36.8% | -36.1% | |
| Interest Coverage | 11.75 | — | 7.54 | 15.54 | 9.80 | 13.24 | 8.28 | 8.48 | 21.00 | -97.80 | -5.06 | -8.28 | -40.16 | -3.68 | -2.90 | -17.67 | -611.00 | -105.17 | 24.33 | 7.62 | 31.00 |
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Includes 30+ ratios · 47 years · Updated daily
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Quick answers to the most common questions about buying ILMN stock.
Illumina, Inc.'s current P/E is 49.4x. The average P/E over the last 4 quarters is 26.4x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Illumina, Inc.'s current operating margin is 19.9%. Margins have been compressing over recent quarters. Quarterly margins are particularly useful for identifying trend inflections that annual data smooths over.
Quarterly financial ratios reveal short-term trend shifts — margin compression, debt spikes, or valuation re-ratings — that annual figures smooth over. They're essential for active investors tracking Illumina, Inc.'s business trajectory between earnings reports.