Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns MRSH? 13F holders and whale ownership

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

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3Tracked holders
$2.12BAggregate reported value
2026-05-19Page updated
2 increased, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Capital Group 13F portfolio
Capital Research Global Investors holdings
$1.96B11.3MIncreased
Tom Gayner 13F portfolio
Markel Group holdings
$132.4M763.5KIncreased
Horizon Kinetics 13F portfolio
Horizon Kinetics Asset Management holdings
$26.3M151.3KReduced

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 MRSH stock?

Whale Analyzer tracks 3 public institutional holders of MRSH with a combined reported value of $2.12B. See the holder table above for the largest tracked positions.

Which top funds are buying MRSH?

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 MRSH?

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