The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Halliburton is the larger company, worth $27.8B, about 4.2 times Solaris Energy Infrastructure.
  • Solaris Energy Infrastructure grew revenue faster over the last year (+30.0% vs +3.7%).
  • Solaris Energy Infrastructure keeps more of each dollar of revenue as operating profit (33.5% vs 11.4%).
  • On earnings, Halliburton is the cheaper stock (18.4x vs 85.0x).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureHALSEI
Market cap$27.8B$6.7B
Share price$32.55$76.40
Revenue (last fiscal year)$22.2B$622M
Free cash flow (last fiscal year)$1.7B-$438M
Revenue growth, last year+3.7%+30.0%
Revenue growth per year, last 5 fiscal years+9.7%+43.7%
Operating margin11.4%33.5%
Net margin7.2%9.9%
Return on equity14.6%6.1%
P/E (trailing)18.4x85.0x
Price / free cash flow16.6x—
EV / EBITDA10.4x23.0x
FCF growth the price implies2.6%—
Dividend yield2.0%0.62%
Debt / equity1.34x3.38x
Fundamental gradeCC
Superinvestors holding it73
Insider purchases, last 12 months03

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Halliburton

YearRevenueFree cash flowOp. margin
2021$15.3B$1.1B11.8%
2022$20.3B$1.2B13.3%
2023$23.0B$2.1B17.7%
2024$22.9B$2.4B16.7%
2025$22.2B$1.7B10.2%

Solaris Energy Infrastructure

YearRevenueFree cash flowOp. margin
2021$146M-$3M-0.27%
2022$300M-$13M13.9%
2023$293M$25M17.0%
2024$313M-$129M16.9%
2025$622M-$438M21.8%

Where the revenue comes from

Halliburton · by segments, 2025

Completion And Production$12.8B58%
Drilling And Evaluation$9.4B42%

Solaris Energy Infrastructure · by segments, 2025

Solaris Power Solutions$334M54%
Solaris Logistics Solutions$289M46%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, Halliburton or Solaris Energy Infrastructure?

Halliburton (HAL), at $27.8B against $6.7B.

Is HAL or SEI cheaper?

By trailing P/E, Halliburton (18.4x) is cheaper than Solaris Energy Infrastructure (85.0x). A lower multiple can also mean the market expects less growth.

Which grows faster, HAL or SEI?

Solaris Energy Infrastructure: revenue grew +30.0% over the last year, against +3.7%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.