What is Mastec Inc worth?
With the base-case assumptions below, a discounted cash flow model on Mastec Inc's reported free cash flow gives $73.11 per share. The share price was $180.84 on November 10, 2026, 147% above that value.
Inputs from the filings
Three sets of assumptions
| Case | Growth yrs 1-5 | Discount rate | Value per share | Value vs price |
|---|---|---|---|---|
| Bear | 10.0% | 10.0% | $26.04 | -86% |
| Base | 15.0% | 9.0% | $73.11 | -60% |
| Bull | 20.0% | 8.0% | $160.77 | -11% |
Sensitivity: base case value per share
| 1.5% | 2.0% | 2.5% | 3.0% | 3.5% | |
|---|---|---|---|---|---|
| 7.0% | $108.75 | $119.87 | $133.45 | $150.43 | $172.25 |
| 8.0% | $81.98 | $89.19 | $97.70 | $107.92 | $120.42 |
| 9.0% | $62.50 | $67.43 | $73.11 | $79.75 | $87.59 |
| 10.0% | $47.73 | $51.23 | $55.21 | $59.74 | $64.98 |
| 11.0% | $36.17 | $38.74 | $41.61 | $44.84 | $48.50 |
Where the presets come from
Base: years 1 to 5 grow at Mastec Inc's revenue growth rate over the last 5 fiscal years (17.7% a year), held between -5% and 15%. Years 6 to 10 grow halfway between that and the long-run rate of 2.5%. Future cash is discounted at 9% a year.
Bear: 5 points less growth, 2% long-run growth, 10% discount rate. Bull: 5 points more growth (at most 25%), 3% long-run growth, 8% discount rate.
Value per share = (present value of 10 years of free cash flow + present value of everything after + cash - debt) / diluted shares.
This is a model run on assumptions, not a recommendation or a price target. Small changes in the discount rate or growth move the result a lot, as the table above shows. Change them yourself in the calculator.
Adjust the assumptions
Move the sliders for growth, long-run growth and discount rate, or switch to average free cash flow, and see the value per share change.
Adjust the assumptions