Last updated Aug 4, 2026
MTZ (MTZ) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in MTZ. Across our datasets, 3 superinvestors hold MTZ and 2 members of Congress have traded it.
Notable holders include Daniel Loeb, Ray Dalio, and George Soros. Active congressional traders include Markwayne Mullin and Lisa McClain.
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