MasTec (MIL:1MTZ) Institutional Ownership: 43.86% (As of Aug. 02, 2026)

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MIL:1MTZ MasTec Inc MIL:1MTZ
85 GF Score
Price €336.30
GF Value €233.35
! 4 Warning Signs
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What is MasTec Institutional Ownership?

MasTec MIL:1MTZ 85 Institutional Ownership is 43.86% as of Aug. 02, 2026. GuruFocus rates MIL:1MTZ with a GF Score™ of 85/100 and a GF Value™ of €233.35. The stock has 4 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, MasTec's institutional ownership is 43.86%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, MasTec's Insider Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, MasTec's Float Percentage Of Total Shares Outstanding is 77.38%.

MasTec Institutional Ownership Historical Data

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The historical data trend for MasTec's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

MasTec Institutional Ownership Chart

MasTec Historical Data

The historical data trend for MasTec can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 43.56 44.14 43.56 41.65 40.65 41.02 41.18 40.66 40.88 43.86
MIL:1MTZ
85GF Score
MasTec Inc MIL:1MTZ
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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MasTec Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 43.86% mean?
MasTec (MIL:1MTZ) has a Institutional Ownership of 43.86% as of Aug. 02, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on MasTec and its competitors.
Is MasTec's Institutional Ownership too high?
MasTec's current Institutional Ownership is 43.86%. Overall, MasTec has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does MasTec's Institutional Ownership compare to EME and STRL?
MasTec's Institutional Ownership of 43.86% can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for a Construction company?
A good Institutional Ownership depends on the Construction industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on MasTec and its competitors. MasTec's current Institutional Ownership is 43.86%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MasTec stock overvalued right now?
MasTec (MIL:1MTZ) has a current Institutional Ownership of 43.86%. The stock's GF Value™ is €233.35, compared to a current price of €336.30 — trading 44.1% above its estimated fair value. The current Institutional Ownership is 43.86%. MasTec's overall GF Score™ is 85/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For MasTec (MIL:1MTZ), the current Institutional Ownership is 43.86% as of Aug. 02, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is MasTec (MIL:1MTZ) Overvalued in 2026?

Based on GuruFocus' analysis, MasTec stock appears to be overvalued. The current stock price of €336.30 is trading 44.1% above its estimated GF Value™ of €233.35.

Key valuation signals for MIL:1MTZ:

  • Institutional Ownership: 43.86%
  • GF Value™: €233.35 vs. price of €336.30 (44.1% above fair value)
  • GF Score™: 85/100 with 4 warning signs

No single metric tells the full story. See the MIL:1MTZ stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

MasTec Business Description

Other Exchanges MTZ:USAMY8:Germany
Address 800 S. Douglas Road, 12th Floor, Coral Gables, FL, USA, 33134
MasTec is a leading infrastructure construction company operating mainly in North America across a range of industries. Its primary activities include engineering, building, installing, maintaining, and upgrading communications, oil and gas, utility, renewable energy, and other infrastructure. MasTec reports its results under five segments: communications; clean energy and infrastructure; pipeline infrastructure; power delivery; and other.
85GF Score

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Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€336.30
Price
€233.35
GF Value