GIB vs LDOS: CGI and Leidos compared

Leidos is the larger company, worth $16.2B, close to CGI's $15.4B.

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The short version

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

  • Leidos is the larger company, worth $16.2B, close to CGI's $15.4B.
  • CGI grew revenue faster over the last year (+8.4% vs +2.7%).
  • On earnings, Leidos is the cheaper stock (11.9x vs 15.5x).

Side by side

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

MeasureGIBLDOS
Market cap$15.4B$16.2B
Share price$83.29$132.68
Revenue (last fiscal year)15.9B CAD$17.2B
Free cash flow (last fiscal year)2.0B CAD$1.6B
Revenue growth, last year+8.4%+2.7%
Revenue growth per year, last 5 fiscal years+7.0%+5.7%
Operating margin—11.5%
Net margin10.4%8.0%
Return on equity16.1%27.4%
P/E (trailing)15.5x11.9x
Price / free cash flow9.27x8.26x
EV / EBITDA—9.25x
FCF growth the price implies—-4.2%
Dividend yield0.79%1.3%
Debt / equity0.27x1.17x
Fundamental gradeCC
Superinvestors holding it1319
Insider purchases, last 12 months00

Results from SEC filings

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

CGI

YearRevenueFree cash flowOp. margin
202112.1B CAD1.9B CAD—
202212.9B CAD1.6B CAD—
202314.3B CAD1.8B CAD—
202414.7B CAD1.9B CAD—
202515.9B CAD2.0B CAD—

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

CGI · by segments, 2025

Western and Southern Europe2.7B CAD17%
U.S. Commercial and State Government2.5B CAD16%
U.S. Federal2.2B CAD14%
Canada2.1B CAD13%
U.K. and Australia2.0B CAD13%
Scandinavia, Northwest and Central- East Europe1.7B CAD11%

Leidos · by segments, 2025

National Security & Digital$7.6B44%
Health & Civil$5.1B30%
Commercial & International$2.3B13%
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.
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Questions

Which is bigger, CGI or Leidos?

Leidos (LDOS), at $16.2B against $15.4B.

Is GIB or LDOS cheaper?

By trailing P/E, Leidos (11.9x) is cheaper than CGI (15.5x). A lower multiple can also mean the market expects less growth.

Which grows faster, GIB or LDOS?

CGI: revenue grew +8.4% over the last year, against +2.7%.

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

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