Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns IREN? 13F holders and whale ownership

IREN is tracked across public portfolios in Whale Analyzer. This page answers who owns IREN, which top funds are buying IREN, aggregate disclosed value, and recent position changes based on public data. Leopold Aschenbrenner is the largest reported holder at $401M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (1 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $18.2. Top tracked holders include Leopold Aschenbrenner.

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NMS · latest quote
$47.21
-$12.75 (-21.3%)
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1Tracked holders
$401.0MAggregate reported value
2026-05-21Page updated
1 increasedRecent changes

Top holders

InvestorReported valueSharesChange
Leopold Aschenbrenner 13F portfolio
Situational Awareness LP holdings
$401.0M11.7MIncreased

Ownership concentration

Reported ownership of IREN is highly concentrated across tracked institutions.

Whale activity this quarter

Across 1 tracked institutions, 1 increased. Net positioning is net buying.

Whale cost basis vs current price

The aggregate tracked cost basis is $18.20 versus a current price of $47.21, so IREN trades above its cost basis (+159.4%). Average unrealized P&L across tracked holders: 190%.

Sector positioning — Information Technology

IREN sits within the Information Technology sector alongside 131 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 IREN 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

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Frequently asked questions

Who owns IREN stock?

Whale Analyzer tracks 1 public institutional holders of IREN with a combined reported value of $401.0M. See the holder table above for the largest tracked positions.

Which top funds are buying IREN?

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

How concentrated is IREN ownership?

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

Is IREN above or below the whale cost basis?

The aggregate tracked cost basis is $18.20 versus a current price of $47.21 (+159.4%).

What does 13F ownership mean for IREN?

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