GuruTrack
MTZ

MTZ

MASTEC INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
MASTEC INC (MTZ) is held as common stock by 9 tracked hedge-fund managers, with a combined reported value of ~$1.05B; the largest are Stephen Mandel, Philippe Laffont, Dan Loeb. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 1 added, 7 trimmed, 1 closed. 12 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Cooling
Common-stock holders94 also report options
Congress trades12
Price$204.09vs quarter-end-50.95%
Sectors0
This quarter's moves
New1
Added1
Trimmed / sold8
Top holderStephen Mandel

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—
Value $129.81M— of portfolio312,0002026 Q2
Ken GriffinPUT—
Value $38.86M— of portfolio93,4002026 Q2
Steven CohenPUT—
Value $5.41M— of portfolio13,0002026 Q2
Steven CohenCALL—
Value $3.41M— of portfolio8,2002026 Q2
Paul Tudor JonesCALL—
Value $1.16M— of portfolio2,8002026 Q2
Izzy EnglanderCALL—
Value $873.7K— of portfolio2,1002026 Q2
Izzy EnglanderPUT—
Value $457.7K— of portfolio1,1002026 Q2
Paul Tudor JonesPUT—
Value $291.2K— of portfolio7002026 Q2

Insider Trading

Officers · directors · Form 4
Open-market purchases and sales (P/S)1

  • Ernst N Csiszar

    Director

    Sell$2.41M
    6,500 @ $371.17Traded 2026-06-03Filed 2026-06-05

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.