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. ValueAct Capital is the largest reported holder at $342M; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (1 increased, 2 reduced); the stock trades above the aggregate whale cost basis of $9.3. Top tracked holders include ValueAct Capital, HMI Capital, and Cathie Wood.

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NYQ · latest quote
$27.08
+$2.42 (+9.8%)
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3Tracked holders
$491.0MAggregate reported value
2026-05-21Page 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

Ownership concentration

Reported ownership of TOST is highly concentrated across tracked institutions.

Whale activity this quarter

Across 3 tracked institutions, 2 reduced, 1 increased. Net positioning is net selling.

Whale cost basis vs current price

The aggregate tracked cost basis is $9.30 versus a current price of $27.08, so TOST trades above its cost basis (+191.1%). Average unrealized P&L across tracked holders: 109%.

Sector positioning — Other

TOST sits within the Other sector alongside 670 other tracked names. Compare whale ownership across peers:

How to use this page

Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live TOST dashboard for price charts and cross-investor scans, or read the SEC 13F guide.

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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Learn more in Whale Analyzer Academy

Deepen your read on TOST with these Whale Analyzer Academy guides:

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?

Tracked institutions were net selling last quarter — 2 reduced, 1 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.

How concentrated is TOST ownership?

The top five tracked holders report 100.0% of aggregate ownership.

Is TOST above or below the whale cost basis?

The aggregate tracked cost basis is $9.30 versus a current price of $27.08 (+191.1%).

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.