MasTec stock jumped 4.6% in regular trading to about US$186 after posting Q3 2026 results, a sharp rebound for a share price that had fallen almost 29% over the past three months. The headline was clear: revenue reached US$5.15b and basic earnings per share came in at US$1.90, backed by what management called a record 18 month backlog of US$24.5b.
Short term traders focused on the pop. Longer term investors are weighing a construction contractor with strong earnings momentum against a balance sheet where debt coverage and a 30.5x trailing P/E require closer scrutiny.
Like the earnings rebound at MasTec but uneasy about a 30.5x trailing P/E and leverage risk? Compare that setup with our list of solid balance sheet and fundamentals stocks (25 results).
Q3 2026 Earnings Summary
- Revenue (Q3 2026 vs. Q3 2025): US$5,152.3m vs. US$3,966.9m (up 29.9%)
- Net Income (Excl. Extra Items) (Q3 2026 vs. Q3 2025): US$150.6m vs. US$160.7m (down 6.3%)
- Basic EPS (Q3 2026 vs. Q3 2025): US$1.90 vs. US$2.07 (down 8.0%)
- Trailing 12 Month Net Profit Margin (Q3 2026 vs. Q3 2025): 2.8% vs. 2.4% (improved by 0.4 percentage points)
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MasTec Bull Case Hinges On Delivery, Not Hype
The optimistic story around MasTec hangs on execution, not slogans about infrastructure or AI.
"The main thing that has to go right is continued execution on margin expansion and integration of acquisitions so that the guided EBITDA and EPS trajectories and free cash generation are delivered while Communications headwinds are managed."
Q3 represents a tangible milestone for that claim. Adjusted EBITDA and adjusted EPS both rose about 30% and 19% respectively, while operating cash flow reached US$267m in the quarter and US$388m year to date. Management is still targeting more than US$1b for 2026. Superior is already contributing to Power Delivery strength and backlog expansion, which supports the acquisition and integration part of the bullish story even as Communications remains under pressure.
That disagreement has a full argument behind it. → Uncover the higher Fair Value this Narrative argues for.
MasTec Bear Case: Timing Risks vs Backlog Delivery
Bearish research leans on a simple worry for MasTec. Big awards do not help if customers hesitate or projects slip.
"Although MasTec highlights record backlog tied to AI and cloud related data center work, there is a risk that customers slow or resize these projects as power availability, permitting or technology choices evolve, which could leave MasTec with underutilized capacity and pressure future revenue and EBITDA if awards are delayed or repriced."
Latest results cut against that fear in the quarter. Data center linked work helped lift revenue 29.9% while adjusted EBITDA rose about 30%. Record 18 month backlog climbed to US$24.5b with strong book to bill in Power Delivery and CE&I, suggesting customers are still converting plans into signed work even as pipeline timing shifts create some quarterly noise.
Compare Earnings Stories Quietly
MasTec just showed how a strong backlog and a jumpy share price can draw very different investor reactions. The real opportunity is finding stocks that could be undervalued before the market responds.
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Three companies from the same screener. Open the full list of 29 companies trading below our fair value estimates →
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