The short version

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

  • Fidelity National Information Services is the larger company, worth $17.3B, close to Leidos's $15.5B.
  • Fidelity National Information Services grew revenue faster over the last year (+29.1% vs +7.2%).
  • Fidelity National Information Services keeps more of each dollar of revenue as operating profit (15.7% vs 11.5%).
  • On earnings, Fidelity National Information Services is the cheaper stock (6.5x vs 11.3x).
  • Fidelity National Information Services's price assumes faster free cash flow growth: about -3% a year, against -5% for Leidos (reverse DCF).

Side by side

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

MeasureFISLDOS
Market cap$17.3B$15.5B
Share price$34.04$121.68
Revenue (last fiscal year)$10.7B$17.2B
Free cash flow (last fiscal year)$1.6B$1.6B
Revenue growth, last year+29.1%+7.2%
Revenue growth per year, last 5 fiscal years+3.4%+5.7%
Operating margin15.7%11.5%
Net margin27.6%7.8%
Return on equity21.0%26.0%
P/E (trailing)6.47x11.3x
Price / free cash flow6.14x9.55x
EV / EBITDA7.35x10.8x
FCF growth the price implies-3.3%-4.8%
Dividend yield4.9%1.4%
Debt / equity1.75x1.95x
Fundamental gradeBC
Superinvestors holding it94
Insider purchases, last 12 months90

Results from SEC filings

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

Fidelity National Information Services

YearRevenueFree cash flowOp. margin
2021$9.3B$3.6B11.1%
2022$9.7B$2.9B12.1%
2023$9.8B$3.6B14.7%
2024$10.1B$1.4B16.9%
2025$10.7B$1.6B16.3%

Leidos

YearRevenueFree cash flowOp. margin
2021$13.7B$929M8.4%
2022$14.4B$863M7.6%
2023$15.4B$980M4.0%
2024$16.7B$1.3B11.0%
2025$17.2B$1.6B12.3%

Where the revenue comes from

Fidelity National Information Services · by segments, 2025

Banking Solutions$7.3B68%
Capital Market Solutions$3.2B30%
Corporate and Other$196M2%

Leidos · by segments, 2025

National Security & Digital$7.6B44%
Health & Civil$5.1B30%
Commercial & International$2.3B14%
Defense Systems$2.2B13%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open FIS in Investingly

Questions

Which is bigger, Fidelity National Information Services or Leidos?

Fidelity National Information Services (FIS), at $17.3B against $15.5B.

Is FIS or LDOS cheaper?

By trailing P/E, Fidelity National Information Services (6.47x) is cheaper than Leidos (11.3x). A lower multiple can also mean the market expects less growth.

Which grows faster, FIS or LDOS?

Fidelity National Information Services: revenue grew +29.1% over the last year, against +7.2%.

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