NYSE: MTZ
Mastec Inc Stock Ownership - Who owns Mastec?

Insider buying vs selling

Have Mastec Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Javier Alberto PalomarezDirector2026-08-1431$297.59
$9.23kSell
Robert J. DwyerDirector2026-08-1431$297.59
$9.23kSell
Ernst N. CsiszarDirector2026-08-1434$297.59
$10.12kSell
Ava L. ParkerDirector2026-08-1420$297.59
$5.95kSell
Ernst N. CsiszarDirector2026-06-036,500$371.17
$2.41MSell
Javier Alberto PalomarezDirector2026-05-1521$434.77
$9.13kSell
Ava L. ParkerDirector2026-05-1514$434.77
$6.09kSell
Robert J. DwyerDirector2026-05-1521$434.77
$9.13kSell
Ernst N. CsiszarDirector2026-05-1523$434.77
$10.00kSell
C. Robert CampbellDirector2026-05-043,000$417.00
$1.25MSell

1 of 4

MTZ insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MTZ insiders and whales buy or sell their stock.

MTZ Shareholders

What type of owners hold Mastec Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jorge Mas34.76%27,913,586$6.94BInsider
Jose Ramon Mas5.90%4,737,232$1.18BInsider
Austin J. Shanfelter0.41%326,678$81.25MInsider
Robert E. Apple0.25%197,217$49.05MInsider
George Pita0.20%159,288$39.62MInsider
Cardenas Alberto De0.14%112,727$28.04MInsider
Paul Dimarco0.10%76,639$19.06MInsider
Julia L. Johnson0.09%73,474$18.28MInsider
John Van Heuvelen0.09%70,946$17.65MInsider
Ray 1. Harris0.07%54,025$13.44MInsider

1 of 3

MTZ vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MTZ0.07%42.22%Net SellingNet Selling
APG0.08%22.92%Net SellingNet Selling
J0.09%5.28%Net BuyingNet Selling
STRL0.09%18.43%Net SellingNet Selling
IESC0.03%99.97%Net SellingNet Selling

Mastec Stock Ownership FAQ

Who owns Mastec?

Mastec (NYSE: MTZ) is owned by 0.07% institutional shareholders, 42.22% Mastec insiders, and 57.71% retail investors. Jorge Mas is the largest individual Mastec shareholder, owning 27.91M shares representing 34.76% of the company. Jorge Mas's Mastec shares are currently valued at $7.01B.

If you're new to stock investing, here's how to buy Mastec stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.