Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns ILMN? 13F holders and whale ownership

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

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3Tracked holders
$583.2MAggregate reported value
2026-05-19Page updated
2 reduced, 1 increasedRecent changes

Top holders

InvestorReported valueSharesChange
PRIMECAP Management 13F portfolio
PRIMECAP Management Company holdings
$254.8M2.1MIncreased
Baillie Gifford 13F portfolio
Baillie Gifford & Co holdings
$189.2M1.5MReduced
Cathie Wood 13F portfolio
ARK Investment Management holdings
$139.2M1.1MReduced

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 ILMN stock?

Whale Analyzer tracks 3 public institutional holders of ILMN with a combined reported value of $583.2M. See the holder table above for the largest tracked positions.

Which top funds are buying ILMN?

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 ILMN?

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