Last 48 quarters of trend data · Technology · Hardware, Equipment & Parts
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
MKS Inc.'s quarterly P/E stands at 48.7x, up 87.1% year-over-year — indicating the stock has re-rated higher or earnings have softened. EV/EBITDA has expanded 39.7% YoY to 16.9x, reflecting rising market expectations or slowing EBITDA growth.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 92.99 | 48.69 | 25.28 | 28.13 | 27.00 | 26.02 | 19.62 | 29.54 | 98.92 | 151.14 | — | 37.30 | — |
| — | +87.1% | +28.9% | -4.8% | -72.7% | -82.8% | — | -20.8% | — | — | — | -83.8% | — | |
| P/S Ratio | 6.96 | 3.79 | 2.63 | 2.12 | 1.72 | 1.45 | 1.89 | 2.05 | 2.48 | 2.58 | 1.93 | 1.56 | 1.80 |
| — | +161.5% | +39.0% | +3.3% | -30.7% | -43.9% | -2.2% | +31.6% | +38.0% | +38.7% | +48.7% | +17.7% | -3.8% | |
| P/B Ratio | 10.12 | 5.81 | 4.00 | 3.22 | 2.62 | 2.31 | 3.04 | 3.06 | 3.95 | 3.70 | 2.79 | 2.35 | 2.89 |
| — | +152.2% | +31.3% | +5.0% | -33.5% | -37.7% | +9.0% | +30.7% | +36.4% | +178.5% | +121.5% | +92.7% | +58.1% | |
| P/FCF | 55.05 | 145.89 | 29.85 | 14.33 | 12.31 | 11.03 | 14.13 | 17.01 | 23.20 | 45.74 | 11.74 | 10.22 | — |
| — | +1222.8% | +111.2% | -15.8% | -46.9% | -75.9% | +20.4% | +66.4% | — | -38.1% | +7.2% | +40.1% | — | |
| EV / EBITDA | 34.52 | 16.87 | 10.88 | 13.68 | 12.07 | 12.08 | 12.54 | 13.43 | 15.29 | 16.88 | 23.02 | 11.92 | — |
| — | +39.7% | -13.2% | +1.9% | -21.0% | -28.4% | -45.5% | +12.7% | — | -28.5% | +140.7% | -7.7% | — | |
| EV / EBIT | 55.53 | 25.16 | 18.73 | 22.36 | 20.62 | 20.07 | 18.68 | 20.92 | 28.70 | 26.84 | 276.29 | 20.95 | — |
| — | +25.4% | +0.3% | +6.9% | -28.2% | -25.2% | -93.2% | -0.2% | — | -93.7% | +1572.7% | +7.0% | — |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
MKS Inc.'s operating margin was 16.0% in Q1 2026, up 1.0 pp QoQ and up 4.2 pp YoY. This marks the 3rd consecutive quarter of margin expansion, signaling a sustained improvement in operating efficiency. The trailing four-quarter average of 14.7% lags the current quarter, suggesting the recent improvement is above-trend.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 40.4% | 47.0% | 40.5% | 46.7% | 46.6% | 47.4% | 47.2% | 48.2% | 47.2% | 47.8% | 46.1% | 45.7% | 46.9% |
| — | -0.9% | -14.3% | -3.2% | -1.4% | -0.8% | +2.5% | +5.5% | +0.8% | +13.3% | +3.2% | +11.8% | +6.1% | |
| Operating Margin | 14.4% | 16.0% | 15.0% | 14.0% | 13.9% | 11.9% | 14.6% | 14.3% | 14.3% | 12.2% | 2.7% | 12.7% | -169.1% |
| — | +35.3% | +3.0% | -2.2% | -3.1% | -2.9% | +441.2% | +12.8% | +108.5% | +9599.8% | -82.1% | +2.4% | -888.8% | |
| Net Margin | 7.5% | 7.8% | 10.4% | 7.5% | 6.4% | 5.6% | 9.7% | 6.9% | 2.6% | 1.7% | -7.7% | 4.2% | -176.4% |
| — | +40.3% | +6.3% | +8.2% | +145.7% | +221.5% | +226.0% | +65.4% | +101.5% | +132.7% | -255.6% | +565.4% | -1137.9% |
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 11.7% | 3.0% | 4.0% | 2.9% | 2.5% | 2.2% | 3.9% | 2.7% | 1.0% | 0.6% | -2.8% | 1.6% | -50.9% |
| — | +36.6% | +4.3% | +7.3% | +155.8% | +263.0% | +238.3% | +70.6% | +101.9% | +165.2% | -322.9% | +851.5% | -1306.0% | |
| ROA | 3.4% | 1.0% | 1.2% | 0.8% | 0.7% | 0.6% | 1.0% | 0.7% | 0.3% | 0.2% | -0.8% | 0.4% | -17.2% |
| — | +58.0% | +17.9% | +21.3% | +176.0% | +265.0% | +236.7% | +63.3% | +101.5% | +145.2% | -260.0% | +470.7% | -720.9% | |
| ROIC | 6.5% | 4.2% | 2.6% | 1.6% | 1.6% | 1.3% | 1.6% | 1.5% | 1.5% | 1.2% | 0.3% | 1.3% | -16.3% |
| — | +220.2% | +67.6% | +8.1% | +7.0% | +7.9% | +482.6% | +12.8% | +109.0% | +13926.7% | -81.0% | -15.0% | -504.8% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
MKS Inc.'s Debt/EBITDA ratio is 6.4x, up from 1.2x last quarter — elevated, raising questions about debt serviceability. The current ratio has weakened 64.2% YoY to 1.11x, tightening the short-term liquidity position.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 1.73 | 0.58 | 0.11 | 1.76 | 1.84 | 2.00 | 2.06 | 2.11 | 2.29 | 2.05 | 2.03 | 2.06 | 2.06 |
| — | -70.7% | -94.7% | -16.4% | -19.8% | -2.8% | +1.3% | +2.2% | +11.1% | +76.8% | +76.3% | +63.6% | +537.8% | |
| Debt / EBITDA | 5.16 | 6.36 | 1.23 | 20.47 | 21.16 | 23.98 | 21.53 | 23.53 | 23.93 | 25.68 | 41.87 | 24.22 | — |
| — | -73.5% | -94.3% | -13.0% | -11.6% | -6.6% | -48.6% | -2.8% | — | -46.4% | +109.8% | -15.8% | — | |
| Current Ratio | 2.71 | 1.11 | 2.71 | 2.86 | 2.99 | 3.11 | 3.19 | 3.42 | 3.58 | 3.69 | 3.18 | 3.31 | 3.27 |
| — | -64.2% | -15.2% | -16.2% | -16.6% | -15.8% | +0.4% | +3.2% | +9.5% | +17.7% | +8.3% | +20.0% | -36.4% | |
| Quick Ratio | 1.71 | 0.70 | 1.71 | 1.81 | 1.88 | 1.96 | 2.04 | 2.21 | 2.31 | 2.34 | 2.01 | 2.11 | 2.03 |
| — | -64.5% | -16.0% | -18.3% | -18.5% | -16.3% | +1.5% | +5.0% | +14.0% | +21.5% | +5.3% | +16.4% | -44.2% | |
| Interest Coverage | 2.43 | 3.84 | 2.75 | 2.58 | 2.36 | 2.23 | 2.26 | 2.16 | 1.24 | 1.18 | 0.11 | 1.29 | -19.17 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying MKSI stock.
MKS Inc.'s current P/E is 93.0x. The average P/E over the last 4 quarters is 32.3x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
MKS Inc.'s current operating margin is 14.4%. Margins have been expanding 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 MKS Inc.'s business trajectory between earnings reports.