On August 14, 2026, MasTec Inc MTZ shares rose 4.0% to a current price of $297.59. This performance comes amid a 52-week range of $167.66 to $441.43, indicating significant volatility.
- GF Valueâ„¢ verdict: The current price is $297.59, which is 59.1% above the GF Value estimate of $187.05.
- GF Scoreâ„¢: MTZ has a score of 87/100, indicating strong overall performance.
- Most notable signal: Insiders sold $2.4M worth of shares in the last 3 months, with no buying activity noted.
Is MTZ Overvalued or Undervalued?
MasTec Inc MTZ is currently assessed to be significantly overvalued according to the GF Valueâ„¢, which estimates its intrinsic value at $187.05. The current market price of $297.59 suggests that the stock is trading at a substantial premium, translating to a 59.1% overvaluation. This gap highlights the potential risk for investors, as the stock price may not be sustainable without corresponding growth in underlying fundamentals.
GF Valueâ„¢ is GuruFocus' proprietary intrinsic-value estimate derived from various factors including historical trading multiples, past business growth, and future performance projections. Given the considerable overvaluation indicated, investors should exercise caution and consider the margin of safety before making decisions based solely on current price trends.

How Does MTZ's Valuation Compare to Its History?
| Metric | Current | Historical |
|---|---|---|
| P/E (TTM) | 47.5x | 53.3x (5-Year Median) |
| Forward P/E | 32.0x | - |
MTZ's current P/E ratio of 47.5x is actually 11% below its 5-year median of 53.3x. However, despite this relative discount, the stock is still trading well above the GF Valueâ„¢ estimate, reinforcing the assertion that it is overvalued. This discrepancy between the P/E ratios and the GF Valueâ„¢ indicates that while the stock may appear more attractive based on historical earnings multiples, it does not align with the intrinsic value calculation.

What Does MTZ's GF Scoreâ„¢ Tell Us?
The GF Scoreâ„¢ evaluates a stock's overall quality based on factors such as financial strength, profitability, growth potential, valuation, and momentum. With a score of 87/100, MTZ demonstrates strong potential, particularly in growth and profitability. However, it receives a lower score in the valuation category, indicating that the stock may not be priced appropriately compared to its fundamentals.
| Metric | Rating |
|---|---|
| GF Scoreâ„¢ | 87 |
| Financial Strength | 6/10 |
| Profitability | 8/10 |
| Growth | 10/10 |
| Valuation | 3/10 |
| Momentum | 9/10 |
Overall, MTZ's strengths lie in its growth (10/10) and profitability (8/10), suggesting it has solid business fundamentals and performance metrics. However, the valuation rank of 3/10 stands out as a significant concern, indicating that the stock may be mispriced in the current market environment.
What Are Gurus and Insiders Doing with MTZ?
Currently, 11 gurus hold positions in MTZ, with 4 adding to their stakes and 7 trimming their positions in recent quarters. This mixed activity among institutional investors suggests a cautious sentiment regarding the stock's current valuation. Guru ownership can often provide insights into the perceived value of a stock, and the fact that more gurus are trimming their positions than adding may point to a growing concern about the stock's overvaluation.
Furthermore, insider activity has shown that insiders sold $2.4 million worth of shares in the last three months, with no buying activity reported. This trend can be interpreted as a lack of confidence from those who know the company best, reinforcing the notion that the stock may be overvalued at its current price.

What This Means for Investors
Based on the analysis of the GF Valueâ„¢, MTZ appears to be significantly overvalued at a price of $297.59 compared to its intrinsic value estimate of $187.05. The valuation metrics and insider selling activity further support the conclusion that caution may be warranted for potential investors. For more detailed insights, you can explore the MasTec Inc MTZ stock page and the GF Valueâ„¢ page.
Frequently Asked Questions
What is MTZ's GF Scoreâ„¢?
MTZ has a GF Scoreâ„¢ of 87/100, indicating strong overall performance across various metrics.
Is MTZ overvalued or undervalued?
MTZ is currently assessed as overvalued, with a GF Valueâ„¢ estimate of $187.05 compared to its current price of $297.59.
What is MTZ's P/E ratio?
MTZ's P/E ratio is 47.5x, which is below its 5-year median of 53.3x, but it remains overvalued based on the GF Valueâ„¢ assessment.
This stock alert was generated using automated technology and GuruFocus financial data to provide readers with timely and accurate market reporting. This content was reviewed by GuruFocus editorial team prior to publication. Please send any questions or comments about this story to [email protected].
