MasTec (MTZ)
What the price implies
A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.
At a market value of $16.4B, MasTec's free cash flow of $286M (fiscal 2025) would need to grow about 19% a year for the stock to be worth today's price. That is faster than the company has grown its free cash flow over the last 9 years.
Assumes a 9% discount rate and 3% growth after year 10, on free cash flow (operating cash flow minus capital spending) from MasTec's SEC filings. Change any assumption, or model revenue and margins instead, in the Modeling tab, or try your own numbers in the reverse DCF calculator.
Fundamental grade
Five factors scored 1 to 9 from MTZ's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.
Key numbers
Results from SEC filings
Fiscal years, from MasTec's 10-K filings. The deep dive has 15+ years, quarters and every line.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $8.0B | $9.8B | $12.0B | $12.3B | $14.3B |
| Net income | $329M | $33M | -$50M | $163M | $399M |
| Free cash flow | $623M | $89M | $494M | $973M | $286M |
| EPS (diluted) | $4.45 | $0.42 | -$0.64 | $2.06 | $5.07 |
| Operating margin | — | — | — | — | — |
Where the revenue comes from
Revenue by segments, fiscal 2025.
Superinvestors who own MTZ
From each investor's latest 13F filing (what a 13F shows). 7 of the investors we track hold it.
| Investor | Last quarter | Value | % of portfolio | Quarter |
|---|---|---|---|---|
| Stephen Mandel Lone Pine Capital |
Trimmed | $560M | 3.4% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | $274M | 0.10% | Q2 2026 |
| Philippe Laffont Coatue Management |
Trimmed | $215M | 0.44% | Q2 2026 |
| Dan Loeb Third Point LLC |
Trimmed | $121M | 2.6% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
New position | $91M | 0.08% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | $63M | 0.15% | Q2 2026 |
| Eric Marshall Hodges Capital Management |
Trimmed | $7M | 0.47% | Q2 2026 |
Insider buying
Open-market purchases by MasTec's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you.
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Oct 30, 2025 | Lisa C. Mcclain |
0 | $213.62 | — |
| Oct 30, 2025 | Lisa C. Mcclain |
0 | $213.62 | — |
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In the full deep dive
Questions
What growth does MasTec's stock price imply?
At a market value of $16.4B, MasTec would need its free cash flow to grow about 19% a year for 10 years (discounted at 9%, 3% growth after that) to be worth today's price. Over the last 9 years its free cash flow grew 14% a year.
Are MasTec insiders buying the stock?
2 open-market insider purchases of MTZ in the last 12 months, from SEC Form 4 filings.
Which superinvestors own MasTec?
7 of the superinvestors Investingly tracks hold MTZ in their latest 13F, including Stephen Mandel, Cliff Asness, Philippe Laffont.
Prices and ratios as of Oct 7, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.