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Thermo Fisher Scientific vs Rockwell Automation: TMO and ROK compared
Thermo Fisher Scientific is the larger company: $12.1B of revenue in its latest quarter (Q3 2026) against $2.3B for Rockwell Automation (Q4 FY26). Thermo Fisher Scientific is growing faster (+9% against +0.7% a year earlier). Thermo Fisher Scientific is more profitable, with an operating margin of 18.6% against 18.6%.
Where the money goes: TMO and ROK
Thermo Fisher Scientific (TMO) · Q3 2026
Thermo Fisher Scientific, Q3 2026: revenue $12.1B (+9% year over year), operating margin 18.6%, net earnings $1.7B, operating cash flow $2.5B. The chart follows the revenue to costs, profit and cash.
Rockwell Automation (ROK) · Q4 FY26
Rockwell Automation, Q4 FY26: revenue $2.3B (+0.7% year over year), operating margin 18.6%, net earnings $346M. The chart follows the revenue to costs, profit and cash.
| Thermo Fisher Scientific (TMO) | Rockwell Automation (ROK) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q4 FY26 |
| Revenue | $12.1B | $2.3B |
| Revenue growth, Y/Y | +9% | +0.7% |
| Gross margin | — | 51.9% |
| Operating margin | 18.6% | 18.6% |
| Net earnings | $1.7B | $346M |
| Net margin | 14.2% | 14.8% |
| Operating cash flow | $2.5B | — |
| Free cash flow | $2.1B | — |
| Market value | $251.1B | $41.7B |
| P/E | 35.7× | 38.2× |
| Analysts’ mean target | $752.12 | $449.75 |
Where the revenue comes from
Thermo Fisher Scientific
- Laboratory Products and Biopharma Services: $6.8B (56%)
- Life Sciences Solutions: $2.3B (19%)
- Analytical Instruments: $1.9B (16%)
- Specialty Diagnostics: $1.1B (9%)
Questions
Which is bigger, Thermo Fisher Scientific or Rockwell Automation?
Thermo Fisher Scientific is the larger company: $12.1B of revenue in its latest quarter (Q3 2026) against $2.3B for Rockwell Automation (Q4 FY26).
Is Thermo Fisher Scientific or Rockwell Automation growing faster?
Thermo Fisher Scientific is growing faster (+9% against +0.7% a year earlier).
Which is more profitable, Thermo Fisher Scientific or Rockwell Automation?
Thermo Fisher Scientific is more profitable, with an operating margin of 18.6% against 18.6%.
More: Thermo Fisher Scientific earnings · how Thermo Fisher Scientific makes money · Rockwell Automation earnings · how Rockwell Automation makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 8-K filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.