The short version

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

  • Ferrovial SE is the larger company, worth $35.4B, about 2.3 times MasTec.
  • MasTec grew revenue faster over the last year (+23.4% vs +5.2%).
  • On earnings, MasTec is the cheaper stock (33.9x vs 36.6x).

Side by side

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

MeasureFERMTZ
Market cap$35.4B$15.3B
Share price$50.15$212.65
Revenue (last fiscal year)$9.6B$14.3B
Free cash flow (last fiscal year)—$286M
Revenue growth, last year+5.2%+23.4%
Revenue growth per year, last 5 fiscal years+8.4%+15.8%
Operating margin——
Net margin9.2%3.1%
Return on equity15.0%14.2%
P/E (trailing)36.6x33.9x
Price / free cash flow20.4x53.4x
EV / EBITDA40.9x16.6x
FCF growth the price implies—17.9%
Dividend yield——
Debt / equity3.34x2.11x
Fundamental gradeDC
Superinvestors holding it27
Insider purchases, last 12 months02

Results from SEC filings

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

Ferrovial SE

YearRevenueFree cash flowOp. margin
2022$7.6B—5.6%
2023$8.5B—7.3%
2024$9.1B—34.0%
2025$9.6B——

MasTec

YearRevenueFree cash flowOp. margin
2021$8.0B$623M—
2022$9.8B$89M—
2023$12.0B$494M—
2024$12.3B$973M—
2025$14.3B$286M—

Where the revenue comes from

Ferrovial SE · by segments, 2025

Construction division$7.7B77%
Toll roads division$1.4B14%
Corporation division$460M5%
Energy and mobility infrastructures division$339M3%
Airports division$111M1%

MasTec · by segments, 2025

Clean Energy and Infrastructure$4.7B33%
Power Delivery$4.2B29%
Communications$3.3B23%
Pipeline Infrastructure$2.1B15%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open FER in Investingly

Questions

Which is bigger, Ferrovial SE or MasTec?

Ferrovial SE (FER), at $35.4B against $15.3B.

Is FER or MTZ cheaper?

By trailing P/E, MasTec (33.9x) is cheaper than Ferrovial SE (36.6x). A lower multiple can also mean the market expects less growth.

Which grows faster, FER or MTZ?

MasTec: revenue grew +23.4% over the last year, against +5.2%.

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