Comparisons › TMO / IDXX
Thermo Fisher vs Idexx Laboratories: comparing TMO and IDXX stock
12-month growth, from 100━ TMO +19.5% ━ IDXX −6.9%
| Metric | TMO | IDXX |
|---|---|---|
| Price, $ | 676.94 | 670.71 |
| Year to date | +16.9% ● | −0.9% |
| 12 months | +19.5% ● | −6.9% |
| From 52-week high | −4.9% ● | −12.9% |
| vs 200-day average | +22.5% ● | +17.2% |
| P/E | 27.4 | 45.2 |
| Dividend yield | 0.27% ● | 0.00% |
| Revenue growth, YoY | +8.3% | +11.9% ● |
| Operating income growth | +10.2% | +16.8% ● |
| Operating margin | 19.1% | 32.5% ● |
| Gross margin | 41.3% | 62.7% ● |
| Market cap | $250.8B | $52.8B |
| Next earnings | Feb 4, 2027 | Feb 8, 2027 |
● — whose figure is higher, not which is better. Data as of Nov 5, 2026.
Ratings and a detailed chart for each are in the terminal.
Open the terminalFAQ
Which is better to buy: Thermo Fisher or Idexx Laboratories?
We do not advise what to buy. By the numbers: Thermo Fisher rose more over the year (+19.5%); Thermo Fisher is closer to its 52-week high; Idexx Laboratories has the higher operating margin; Idexx Laboratories is growing revenue faster; Thermo Fisher has the lower P/E. How to weigh such signs is covered in «How to analyse a stock».
Can I buy both?
Yes. Many hold several companies in one industry to avoid depending on one. A broad index fund often already holds the largest US companies.
When do they report?
Thermo Fisher — Feb 4, 2027; Idexx Laboratories — Feb 8, 2027.