Mastec Inc. (MTZ) intrinsic value & 10-year financials

Mastec Inc. (MTZ) has a Graham intrinsic value of $156.07 per share. At $191.02 on Oct 17, 2026, the stock trades 22% above that value. Over the last 10 fiscal years revenue grew 12.1% a year to $14.3B, with an average return on invested capital of 7.4%.

Graham intrinsic value
$156.07
Share price (Oct 17, 2026)
$191.02
Price vs Graham value
22% above
Market cap
$15.0B
Revenue (FY2025)
$14.3B
Revenue growth (10-yr CAGR)
12.1%
ROIC (10-yr avg)
7.4%
Free cash flow (FY2025)
$285.7M

MTZ 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $14.3B $399.0M $5.07 $285.7M — 8.0%
FY2024 $12.3B $162.8M $2.06 $972.8M — 3.3%
FY2023 $12.0B -$49.9M -$0.64 $494.3M — -0.9%
FY2022 $9.8B $33.4M $0.42 $88.9M — 0.7%
FY2021 $8.0B $328.8M $4.45 $623.0M — 9.3%
FY2020 $6.3B $322.8M $4.38 $723.5M — 10.7%
FY2019 $7.2B $392.3M $5.17 $423.8M — 13.3%
FY2018 $6.9B $259.7M $3.26 $349.5M — 9.4%
FY2017 $6.6B $347.2M $4.22 $32.9M — 14.3%
FY2016 $5.1B $131.3M $1.61 $88.5M — 6.3%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

MASTEC INC is a consistent compounder, expanding top-line revenue at 12.1% annually over the past decade.

MASTEC INC has historically struggled to out-earn its cost of capital, averaging just 7.4% ROIC.

Over the decade, MASTEC INC shows that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, MASTEC INC is modeled at 13.6% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $156.07 per share.

MTZ stock: frequently asked questions

What is the intrinsic value of Mastec Inc. (MTZ) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 13.6% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, MTZ's intrinsic value is about $156.07 per share.

Is MTZ stock undervalued?

At $191.02 (close on Oct 17, 2026), MTZ trades 22% above its Graham value of $156.07. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Mastec Inc. grown?

Revenue went from $5.1B in fiscal 2016 to $14.3B in fiscal 2025, a compound annual growth rate of 12.1%. Net income was $399.0M in fiscal 2025.

Does Mastec Inc. generate free cash flow?

Mastec Inc. generated $285.7M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 10 of the last 10 reported years.

What is MTZ's return on invested capital?

Average ROIC over the last 10 fiscal years was 7.4%, and average return on equity was 13.2%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this MTZ data come from?

From Mastec Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 30, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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