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    MasTec (MTZ) Stock Still Looks Reasonable Despite Its 242% Run

    Simply Wall St·11/14/2026 04:39:39
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    MasTec has seen sharp swings in recent years, and with the stock around US$182.78, the central question is whether that price is supported by the cash it can generate over time. With markets now reacting to both business moves and new technology partnerships, the spotlight is firmly on what the company’s future cash flows are really worth.

    • Over the past 3 years, MasTec has delivered a 242.5% return, which puts real pressure on investors to ask if the current share price still matches the cash flow story.
    • The decision to pause a large acquisition in favor of using a US$250m repurchase authorization can shift how much cash is kept inside the business versus returned to shareholders, which matters for any estimate of intrinsic value built on future cash generation.
    • If you'd rather focus on earnings, this one's for you. See what MasTec's 29.9x P/E says about the price.

    The issue now is whether MasTec's recent share price levels are justified by the intrinsic value suggested by a Discounted Cash Flow (DCF) view of its future cash flows.

    To put MasTec's AI push and cash flow question in context, it can help to line it up against other infrastructure plays linked to grid and energy technology using 43 power grid technology and infrastructure stocks.

    Is MasTec Still Cheap on Cash Flow?

    The Discounted Cash Flow (DCF) model used here focuses on the cash MasTec can return to shareholders over time. Latest twelve month free cash flow sits at about $472.5 million, and the projection set points to growing free cash generation rather than a shrinking profile. That pattern underpins an intrinsic value estimate that the model flags as substantially above the current trading level of $182.78.

    Because the cash flow forecast leans on higher future outlays, the board’s choice to pause a large acquisition and use a $250 million repurchase authorization instead becomes important. The shift keeps more attention on per share value creation, which fits with a DCF outcome that already suggests the equity is not priced for the projected cash profile. The recent partnership with Gritt to roll out AI systems on renewable projects adds another lever for efficiency, yet the market price still sits below what the cash flow model supports. Find out what MasTec could be worth using our Discounted Cash Flow (DCF) estimate.

    The MasTec Narrative: What Would Justify Today's Price?

    Narratives pick up where the MasTec valuation puzzle leaves off. They spell out which future paths for MasTec's growth, margins and earnings would need to play out for the current share price to look either stretched or conservative. Each one ties its number to a clear view on how growth, profitability and risk might shift next, giving you something concrete to revisit as new information arrives on the Community page.

    One of the top narratives on MasTec: 21% undervalued

    This Narrative is the bearish analyst Narrative on Simply Wall St, built on the most pessimistic analyst price target and forecasts, not one person's view.

    "Bearish analysts expect MasTec to see revenue and earnings fall short of recent guidance if communications demand and power delivery activity soften from current project pipelines..."

    Discover why this Narrative puts MasTec at 21% undervalued.

    The MasTec valuation story raises one more critical issue

    Price and cash flows only tell part of the story for MasTec, because recent checks also flag specific areas of concern that could matter a lot for long term holders. Take a closer look at 1 warning sign before settling on a valuation.