Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns TOST? 13F holders and whale ownership

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

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3Tracked holders
$491.0MAggregate reported value
2026-05-19Page updated
2 reduced, 1 increasedRecent changes

Top holders

InvestorReported valueSharesChange
ValueAct Capital 13F portfolio
ValueAct Capital Management holdings
$341.9M12.9MIncreased
HMI Capital 13F portfolio
HMI Capital Management holdings
$101.1M3.8MReduced
Cathie Wood 13F portfolio
ARK Investment Management holdings
$48.0M1.8MReduced

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 TOST stock?

Whale Analyzer tracks 3 public institutional holders of TOST with a combined reported value of $491.0M. See the holder table above for the largest tracked positions.

Which top funds are buying TOST?

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 TOST?

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