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Side-by-side financial comparison of MKS INC (MKSI) and Zscaler, Inc. (ZS). Click either name above to swap in a different company.
MKS INC is the larger business by last-quarter revenue ($1.1B vs $788.1M, roughly 1.4× Zscaler, Inc.). MKS INC runs the higher net margin — 7.8% vs -1.5%, a 9.3% gap on every dollar of revenue. On growth, Zscaler, Inc. posted the faster year-over-year revenue change (25.5% vs 15.2%). Zscaler, Inc. produced more free cash flow last quarter ($431.0M vs $29.0M). Over the past eight quarters, Zscaler, Inc.'s revenue compounded faster (22.5% CAGR vs 10.2%).
MKS, Inc is a subsidiary of PTC, Inc. It was previously a multinational independent software vendor that was acquired by Parametric Technology Corporation on May 31, 2011. MKS operated in the Application Lifecycle Management (ALM) and Systems Administration market segments.
Zscaler, Inc. is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.
MKSI vs ZS — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $1.1B | $788.1M |
| Net Profit | $84.0M | $-11.6M |
| Gross Margin | 47.0% | 76.6% |
| Operating Margin | 13.8% | -4.6% |
| Net Margin | 7.8% | -1.5% |
| Revenue YoY | 15.2% | 25.5% |
| Net Profit YoY | 61.5% | 3.6% |
| EPS (diluted) | $1.18 | $-0.07 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $1.1B | — | ||
| Q4 25 | $1.0B | $788.1M | ||
| Q3 25 | $988.0M | $719.2M | ||
| Q2 25 | $973.0M | $678.0M | ||
| Q1 25 | $936.0M | $647.9M | ||
| Q4 24 | $935.0M | $628.0M | ||
| Q3 24 | $896.0M | $592.9M | ||
| Q2 24 | $887.0M | $553.2M |
| Q1 26 | $84.0M | — | ||
| Q4 25 | $107.0M | $-11.6M | ||
| Q3 25 | $74.0M | $-17.6M | ||
| Q2 25 | $62.0M | $-4.1M | ||
| Q1 25 | $52.0M | $-7.7M | ||
| Q4 24 | $90.0M | $-12.1M | ||
| Q3 24 | $62.0M | $-14.9M | ||
| Q2 24 | $23.0M | $19.1M |
| Q1 26 | 47.0% | — | ||
| Q4 25 | 46.3% | 76.6% | ||
| Q3 25 | 46.7% | 76.1% | ||
| Q2 25 | 46.6% | 77.0% | ||
| Q1 25 | 47.4% | 77.1% | ||
| Q4 24 | 47.3% | 77.5% | ||
| Q3 24 | 48.2% | 78.0% | ||
| Q2 24 | 47.2% | 78.6% |
| Q1 26 | 13.8% | — | ||
| Q4 25 | 13.9% | -4.6% | ||
| Q3 25 | 14.0% | -4.5% | ||
| Q2 25 | 13.9% | -3.7% | ||
| Q1 25 | 11.9% | -6.2% | ||
| Q4 24 | 14.7% | -4.9% | ||
| Q3 24 | 14.3% | -4.5% | ||
| Q2 24 | 14.3% | -0.5% |
| Q1 26 | 7.8% | — | ||
| Q4 25 | 10.3% | -1.5% | ||
| Q3 25 | 7.5% | -2.4% | ||
| Q2 25 | 6.4% | -0.6% | ||
| Q1 25 | 5.6% | -1.2% | ||
| Q4 24 | 9.6% | -1.9% | ||
| Q3 24 | 6.9% | -2.5% | ||
| Q2 24 | 2.6% | 3.5% |
| Q1 26 | $1.18 | — | ||
| Q4 25 | $1.58 | $-0.07 | ||
| Q3 25 | $1.10 | $-0.11 | ||
| Q2 25 | $0.92 | $-0.03 | ||
| Q1 25 | $0.77 | $-0.05 | ||
| Q4 24 | $1.34 | $-0.08 | ||
| Q3 24 | $0.92 | $-0.09 | ||
| Q2 24 | $0.33 | $0.12 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $569.0M | $1.3B |
| Total DebtLower is stronger | $1.4B | — |
| Stockholders' EquityBook value | $2.8B | $2.0B |
| Total Assets | $8.7B | $6.5B |
| Debt / EquityLower = less leverage | 0.50× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $569.0M | — | ||
| Q4 25 | $418.0M | $1.3B | ||
| Q3 25 | $413.0M | $2.4B | ||
| Q2 25 | $498.0M | $2.0B | ||
| Q1 25 | $407.0M | $1.8B | ||
| Q4 24 | $420.0M | $1.6B | ||
| Q3 24 | $439.0M | $1.4B | ||
| Q2 24 | $506.0M | $1.3B |
| Q1 26 | $1.4B | — | ||
| Q4 25 | $4.2B | — | ||
| Q3 25 | $4.3B | — | ||
| Q2 25 | $4.4B | $1.1B | ||
| Q1 25 | $4.4B | $1.1B | ||
| Q4 24 | $4.5B | $1.1B | ||
| Q3 24 | $4.8B | $1.1B | ||
| Q2 24 | $4.8B | $1.1B |
| Q1 26 | $2.8B | — | ||
| Q4 25 | $2.7B | $2.0B | ||
| Q3 25 | $2.6B | $1.8B | ||
| Q2 25 | $2.6B | $1.8B | ||
| Q1 25 | $2.4B | $1.6B | ||
| Q4 24 | $2.3B | $1.4B | ||
| Q3 24 | $2.4B | $1.3B | ||
| Q2 24 | $2.2B | $1.1B |
| Q1 26 | $8.7B | — | ||
| Q4 25 | $8.8B | $6.5B | ||
| Q3 25 | $8.8B | $6.4B | ||
| Q2 25 | $8.8B | $5.3B | ||
| Q1 25 | $8.6B | $5.0B | ||
| Q4 24 | $8.6B | $4.7B | ||
| Q3 24 | $9.0B | $4.7B | ||
| Q2 24 | $8.9B | $4.2B |
| Q1 26 | 0.50× | — | ||
| Q4 25 | 1.53× | — | ||
| Q3 25 | 1.64× | — | ||
| Q2 25 | 1.71× | 0.64× | ||
| Q1 25 | 1.87× | 0.71× | ||
| Q4 24 | 1.93× | 0.80× | ||
| Q3 24 | 1.98× | 0.90× | ||
| Q2 24 | 2.16× | 1.04× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $53.0M | $448.3M |
| Free Cash FlowOCF − Capex | $29.0M | $431.0M |
| FCF MarginFCF / Revenue | 2.7% | 54.7% |
| Capex IntensityCapex / Revenue | — | 2.2% |
| Cash ConversionOCF / Net Profit | 0.63× | — |
| TTM Free Cash FlowTrailing 4 quarters | $403.0M | $924.9M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $53.0M | — | ||
| Q4 25 | $142.0M | $448.3M | ||
| Q3 25 | $197.0M | $250.6M | ||
| Q2 25 | $165.0M | $211.1M | ||
| Q1 25 | $141.0M | $179.4M | ||
| Q4 24 | $176.0M | $331.3M | ||
| Q3 24 | $163.0M | $203.6M | ||
| Q2 24 | $122.0M | $173.4M |
| Q1 26 | $29.0M | — | ||
| Q4 25 | $92.0M | $431.0M | ||
| Q3 25 | $146.0M | $190.6M | ||
| Q2 25 | $136.0M | $138.9M | ||
| Q1 25 | $123.0M | $164.4M | ||
| Q4 24 | $125.0M | $314.3M | ||
| Q3 24 | $141.0M | $154.2M | ||
| Q2 24 | $95.0M | $137.8M |
| Q1 26 | 2.7% | — | ||
| Q4 25 | 8.9% | 54.7% | ||
| Q3 25 | 14.8% | 26.5% | ||
| Q2 25 | 14.0% | 20.5% | ||
| Q1 25 | 13.1% | 25.4% | ||
| Q4 24 | 13.4% | 50.1% | ||
| Q3 24 | 15.7% | 26.0% | ||
| Q2 24 | 10.7% | 24.9% |
| Q1 26 | — | — | ||
| Q4 25 | 4.8% | 2.2% | ||
| Q3 25 | 5.2% | 8.3% | ||
| Q2 25 | 3.0% | 10.6% | ||
| Q1 25 | 1.9% | 2.3% | ||
| Q4 24 | 5.5% | 2.7% | ||
| Q3 24 | 2.5% | 8.3% | ||
| Q2 24 | 3.0% | 6.4% |
| Q1 26 | 0.63× | — | ||
| Q4 25 | 1.33× | — | ||
| Q3 25 | 2.66× | — | ||
| Q2 25 | 2.66× | — | ||
| Q1 25 | 2.71× | — | ||
| Q4 24 | 1.96× | — | ||
| Q3 24 | 2.63× | — | ||
| Q2 24 | 5.30× | 9.07× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
MKSI
| Semiconductor | $466.0M | 43% |
| Electronics & Packaging | $321.0M | 30% |
| Specialty Industrial | $291.0M | 27% |
ZS
Segment breakdown not available.
