Ametek vs Regal Rexnord
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KIRA’s take AI analyst
I put Ametek and Regal Rexnord side by side, using each one’s latest annual report. Here is what stands out:
- Ametek is the larger business, with $7.4B of revenue in fiscal 2025 against $5.9B for Regal Rexnord.
- Ametek grew revenue faster (6.6%, against −1.7%).
- Ametek kept more of each dollar of sales as operating profit (25.8% operating margin, against 11.5%).
- Ametek turned more of its sales into free cash flow (22.6% FCF margin, against 15.1%).
- Ametek earned a higher return on the capital invested in it (13.2%, against 4.8%).
- Investors pay more for each dollar of Ametek’s earnings: a P/E of 35.5x against 31.0x for Regal Rexnord.
Who comes out ahead
Of the 11 measures where higher (or lower) is clearly better, how many each company leads.
Ametek
AME
8/11
Revenue growthOperating marginNet marginFCF marginReturn on capitalReturn on equityNet debt / EBITDAShare count change
Regal Rexnord
RRX
3/11
5-year growthGross marginPiotroski F-score
Side by side
Best in the row
| Latest fiscal year | AME FY25 | RRX FY25 |
|---|---|---|
| Size | ||
| Market cap | $55.8B | $10.1B |
| Revenue | $7.4B | $5.9B |
| Free cash flow | $1.7B | $893M |
| Net income | $1.5B | $280M |
| Growth | ||
| Revenue growth | 6.6% | −1.7% |
| 5-year growth | 10.3% | 15.3% |
| Share count change | −0.4% | −0.2% |
| Profitability | ||
| Gross margin | 36.0% | 37.4% |
| Operating margin | 25.8% | 11.5% |
| Net margin | 20.0% | 4.7% |
| FCF margin | 22.6% | 15.1% |
| Return on capital | 13.2% | 4.8% |
| Return on equity | 14.6% | 4.3% |
| Balance sheet | ||
| Net debt | $1.8B | $4.4B |
| Net debt / EBITDA | 0.8x | 3.7x |
| Dividends and buybacks | $719M | $93.0M |
| Valuation & quality | ||
| P/E | 35.5x | 31.0x |
| Piotroski F-score | 7 | 8 |
Ten years
Revenue
Operating margin
Free cash flow
Return on capital
Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.

