Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns RIOT? 13F holders and whale ownership

RIOT is tracked across public portfolios in Whale Analyzer. This page answers who owns RIOT, which top funds are buying RIOT, aggregate disclosed value, and recent position changes based on public data. Jeff Smith is the largest reported holder at $192M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $11.58. Top tracked holders include Jeff Smith and Leopold Aschenbrenner.

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NCM · latest quote
$28.57
+$0.47 (+1.7%)
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2Tracked holders
$334.3MAggregate reported value
2026-05-21Page updated
2 increasedRecent changes

Top holders

InvestorReported valueSharesChange
Jeff Smith 13F portfolio
Starboard Value LP holdings
$192.1M15.5MIncreased
Leopold Aschenbrenner 13F portfolio
Situational Awareness LP holdings
$142.2M11.5MIncreased

Ownership concentration

Reported ownership of RIOT is highly concentrated across tracked institutions.

Whale activity this quarter

Across 2 tracked institutions, 2 increased. Net positioning is net buying.

Whale cost basis vs current price

The aggregate tracked cost basis is $11.58 versus a current price of $28.57, so RIOT trades above its cost basis (+146.6%). Average unrealized P&L across tracked holders: 103%.

Sector positioning — Other

RIOT 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 RIOT 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 RIOT with these Whale Analyzer Academy guides:

Frequently asked questions

Who owns RIOT stock?

Whale Analyzer tracks 2 public institutional holders of RIOT with a combined reported value of $334.3M. See the holder table above for the largest tracked positions.

Which top funds are buying RIOT?

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

How concentrated is RIOT ownership?

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

Is RIOT above or below the whale cost basis?

The aggregate tracked cost basis is $11.58 versus a current price of $28.57 (+146.6%).

What does 13F ownership mean for RIOT?

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