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Ametek vs MKS: AME and MKSI compared
Ametek is the larger company: $2.2B of revenue in its latest quarter (Q3 2026) against $1.4B for MKS (Q3 2026). MKS is growing faster (+43% against +17% a year earlier). Ametek is more profitable, with an operating margin of 26.3% against 23.1%.
Where the money goes: AME and MKSI
Ametek (AME) · Q3 2026
Ametek, Q3 2026: revenue $2.2B (+17% year over year), operating margin 26.3%, net earnings $426M, operating cash flow $561M. The chart follows the revenue to costs, profit and cash.
MKS (MKSI) · Q3 2026
MKS, Q3 2026: revenue $1.4B (+43% year over year), operating margin 23.1%, net earnings $237M, operating cash flow $292M. The chart follows the revenue to costs, profit and cash.
| Ametek (AME) | MKS (MKSI) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $2.2B | $1.4B |
| Revenue growth, Y/Y | +17% | +43% |
| Gross margin | — | 47.7% |
| Operating margin | 26.3% | 23.1% |
| Net earnings | $426M | $237M |
| Net margin | 19.2% | 16.8% |
| Operating cash flow | $561M | $292M |
| Free cash flow | $527M | $243M |
| Market value | $52.6B | $13.8B |
| P/E | 32.3× | 22.9× |
| Analysts’ mean target | $287.44 | $406.93 |
Where the revenue comes from
Ametek
- Process and analytical instrumentation: $1.0B (47%)
- Aerospace and power: $635M (29%)
- Automation and engineered solutions: $544M (25%)
MKS
- Semiconductor: $638M (45%)
- Electronics and Packaging: $415M (29%)
- Specialty Industrial: $360M (25%)
Questions
Which is bigger, Ametek or MKS?
Ametek is the larger company: $2.2B of revenue in its latest quarter (Q3 2026) against $1.4B for MKS (Q3 2026).
Is Ametek or MKS growing faster?
MKS is growing faster (+43% against +17% a year earlier).
Which is more profitable, Ametek or MKS?
Ametek is more profitable, with an operating margin of 26.3% against 23.1%.
More: Ametek earnings · how Ametek makes money · MKS earnings · how MKS makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 3, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.