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Menlo Advisors LLC

SEC CIK
0001279708
Latest filing
Sep 10, 2026

MTZ holding history

Mastec Inc in every 13F filed by Menlo Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MTZ overviewAll 13F holders of MTZFull Q2 2026 holdings

Shares (Q4 2023)
0
Sold out in Q4 2023
Value
$0
% of portfolio
0.0%
Quarters held
11
Since Q1 2021
Holdings of MTZ by Menlo Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20230$00.0%−26,665−100.0%Sold outHolders
Q3 202326,665$1.92M1.3%−160−0.6%ReducedHolders
Q2 202326,825$3.16M2.0%−330−1.2%ReducedHolders
Q1 202327,155$2.56M1.8%−150−0.5%ReducedHolders
Q4 202227,305$2.33M1.7%−20,000−42.3%ReducedHolders
Q3 202247,305$3.00M2.1%−3,000−6.0%ReducedHolders
Q2 202250,305$3.60M2.4%−1,770−3.4%ReducedHolders
Q1 202252,075$4.54M2.4%+1,990+4.0%AddedHolders
Q4 202150,085$4.62M2.3%−3,880−7.2%ReducedHolders
Q3 202153,965$4.66M2.5%+25,400+88.9%AddedHolders
Q2 202128,565$3.03M1.6%−754−2.6%ReducedHolders
Q1 202129,319$2.75M1.6%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.