ConocoPhillips vs Diamondback Energy
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KIRA’s take AI analyst
I put ConocoPhillips and Diamondback Energy side by side, using each one’s latest annual report. Here is what stands out:
- ConocoPhillips is the larger business, with $58.9B of revenue in fiscal 2025 against $15.0B for Diamondback Energy, about 3.9 times as much.
- Diamondback Energy grew revenue faster (35.8%, against 7.7%).
- ConocoPhillips earned a higher return on the capital invested in it (10.7%, against 1.9%).
- Investors pay more for each dollar of Diamondback Energy’s earnings: a P/E of 39.4x against 20.0x for ConocoPhillips.
Who comes out ahead
Of the 8 measures where higher (or lower) is clearly better, how many each company leads.
ConocoPhillips
COP
6/8
Net marginReturn on capitalReturn on equityPiotroski F-scoreNet debt / EBITDAShare count change
Diamondback Energy
FANG
2/8
Revenue growth5-year growth
Side by side
Best in the row
| Latest fiscal year | COP FY25 | FANG FY25 |
|---|---|---|
| Size | ||
| Market cap | $183.8B | $58.2B |
| Revenue | $58.9B | $15.0B |
| Free cash flow | — | — |
| Net income | $8.0B | $1.7B |
| Growth | ||
| Revenue growth | 7.7% | 35.8% |
| 5-year growth | 25.7% | 39.8% |
| Share count change | 6.2% | 35.4% |
| Profitability | ||
| Gross margin | 62.1% | — |
| Operating margin | — | 8.4% |
| Net margin | 13.6% | 11.1% |
| FCF margin | — | — |
| Return on capital | 10.7% | 1.9% |
| Return on equity | 12.4% | 4.5% |
| Balance sheet | ||
| Net debt | $16.5B | $14.4B |
| Net debt / EBITDA | 0.7x | 2.3x |
| Dividends and buybacks | $9.0B | $1.2B |
| Valuation & quality | ||
| P/E | 20.0x | 39.4x |
| Piotroski F-score | 5 | 4 |
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.

