Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns MTZ? 13F holders and whale ownership

MTZ is tracked across public portfolios in Whale Analyzer. This page answers who owns MTZ, which top funds are buying MTZ, aggregate disclosed value, and recent position changes based on public data.

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3Tracked holders
$783.3MAggregate reported value
2026-05-19Page updated
2 reduced, 1 newRecent changes

Top holders

InvestorReported valueSharesChange
Stephen Mandel 13F portfolio
Lone Pine Capital holdings
$492.6M1.5MNew
Philippe Laffont 13F portfolio
Coatue Management holdings
$187.8M583.6KReduced
Dan Loeb 13F portfolio
Third Point holdings
$103.0M320.0KReduced

How to read this page

Values are reported public positions from tracked investors and institutions. They are not real-time ownership totals for the company.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

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Frequently asked questions

Who owns MTZ stock?

Whale Analyzer tracks 3 public institutional holders of MTZ with a combined reported value of $783.3M. See the holder table above for the largest tracked positions.

Which top funds are buying MTZ?

Check the "Change" column in the holders table above. "New" means a fresh position was initiated, "Added" means an existing position was increased, and "Reduced" or "Sold" indicates trimming.

What does 13F ownership mean for MTZ?

Use the interactive MTZ dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.