José R. Mas owns 6.52% of Mastec
5,236,149 shares as of the August 11, 2026 filing, worth $1B at the latest close.
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Free.
The stake
6.52%
worth $1B at the latest close
Stake rank
#104
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016
José R. Mas owns 6.52% of MASTEC INC: 5,236,149 of 80,304,948 shares, worth about $1B at the 2026-10-16 close. The stake has moved from 5.87% in 2017 to 6.52% on 2026-08-11.
How the stake is held
as of the Mar 18, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Mar 18, 2026 · Form 4 ↗
HELD DIRECTLY
3,254,461
62.2%
HELD INDIRECTLY · Indirect
1,981,688
37.8%
THE STAKE
5,236,149
6.52%