RPM International vs Westlake
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KIRA’s take AI analyst
I put RPM International and Westlake side by side, using each one’s latest annual report. Here is what stands out:
- Westlake is the larger business, with $11.2B of revenue in fiscal 2025 against $7.9B for RPM International.
- RPM International grew revenue faster (6.7%, against −8.0%).
- RPM International turned more of its sales into free cash flow (8.6% FCF margin, against −4.7%).
- RPM International earned a higher return on the capital invested in it (13.9%, against −10.0%).
Who comes out ahead
Of the 9 measures where higher (or lower) is clearly better, how many each company leads.
RPM International
RPM
7/9
Revenue growthGross marginNet marginFCF marginReturn on capitalReturn on equityPiotroski F-score
Westlake
WLK
2/9
5-year growthShare count change
Side by side
Best in the row
| Latest fiscal year | RPM FY26 | WLK FY25 |
|---|---|---|
| Size | ||
| Market cap | $12.5B | $8.4B |
| Revenue | $7.9B | $11.2B |
| Free cash flow | $675M | −$530M |
| Net income | $661M | −$1.5B |
| Growth | ||
| Revenue growth | 6.7% | −8.0% |
| 5-year growth | 5.2% | 8.3% |
| Share count change | −0.5% | −0.7% |
| Profitability | ||
| Gross margin | 41.4% | 7.3% |
| Operating margin | — | −14.1% |
| Net margin | 8.4% | −13.5% |
| FCF margin | 8.6% | −4.7% |
| Return on capital | 13.9% | −10.0% |
| Return on equity | 21.4% | −15.6% |
| Balance sheet | ||
| Net debt | $2.2B | $2.9B |
| Net debt / EBITDA | 1.9x | — |
| Dividends and buybacks | $349M | $335M |
| Valuation & quality | ||
| P/E | 18.1x | — |
| Piotroski F-score | 6 | 3 |
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.