InvestorLens

MTZ — MASTEC INC

Public company

Sign in to save9 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying MTZ?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
83
Institutional Conviction
Strong accumulation · 5 buying vs 1 selling last quarter
76
Macro Tailwind
Macro conditions are mixed for this sector
52
Why? — Evidence & Confidence ▾

Of 6 tracked investors who changed their MTZ position last quarter, 5 bought and 1 sold (83% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence
  • +5 tracked investors added or increased positions last quarter (Philippe Laffont, Steve Mandel, Daniel Loeb, …)
  • +9 tracked investors reported holding MTZ at their latest filing
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About MASTEC INC (MTZ)

MASTEC INC (MTZ) appears in the most recent 13F filings of 9 tracked institutional investors. The largest disclosed position is held by Steve Mandel (Lone Pine Capital), valued at $493M. Across recent filings, tracked investors recorded 8 new positions, 2 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MTZ

91
/100
Strong Institutional Accumulation
Added / Increased10
Reduced0
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track MTZ

60
/100
Popular Trade
9investors

This stock has strong institutional presence.

UndiscoveredCrowded
151015+

MTZ Ownership Composition

How MASTEC INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
80% of tracked value
Institutions
9
tracked investors
Total Reported
$1.2B
combined 13F value
Sectors2
  • Other80.1%
  • Hedge Funds19.9%
Other(6)
80.1%
Hedge Funds(3)
19.9%

Tracked investors reporting MTZ

  • Steve MandelMar 31, 2026
    Lone Pine Capital
    Shares
    1.5M
    Value
    $492.6M
    % Portfolio
    3.93%
  • Daniel LoebMar 31, 2026
    Third Point LLC
    Shares
    320K
    Value
    $103M
    % Portfolio
    4.94%
  • Philippe LaffontMar 31, 2026
    Coatue Management
    Shares
    583.6K
    Value
    $187.8M
    % Portfolio
    0.65%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    504.1K
    Value
    $162.2M
    % Portfolio
    0.07%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    443.2K
    Value
    $142.6M
    % Portfolio
    0.18%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    420.3K
    Value
    $135.2M
    % Portfolio
    0.02%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    40.1K
    Value
    $12.9M
    % Portfolio
    0.06%
  • George SorosMar 31, 2026
    Soros Fund Management
    Shares
    3.9K
    Value
    $1.3M
    % Portfolio
    0.01%
  • Paul Tudor JonesMar 31, 2026
    Tudor Investment Corp
    Shares
    3.1K
    Value
    $997.4K
    % Portfolio
    0.00%

Recent activity

Frequently asked questions

How many institutional investors hold MTZ?
9 tracked institutional investors disclosed a position in MTZ (MASTEC INC) in their most recent 13F filing.
Who is the largest institutional holder of MTZ?
Steve Mandel, Lone Pine Capital, holds the largest disclosed position in MTZ, valued at $493M.
Did institutional ownership of MTZ increase or decrease?
Across recent 13F filings, tracked investors recorded 8 new positions, 2 increased, 0 reduced, and 1 fully exited MTZ.
Where does this MTZ ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.