Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns ARGX? 13F holders and whale ownership

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

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2Tracked holders
$118.4MAggregate reported value
2026-05-19Page updated
1 held, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Samuel Isaly 13F portfolio
OrbiMed Advisors holdings
$100.0M136.9KReduced
Baker Bros. Advisors 13F portfolio
Baker Bros. Advisors holdings
$18.4M25.2KHeld

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 ARGX stock?

Whale Analyzer tracks 2 public institutional holders of ARGX with a combined reported value of $118.4M. See the holder table above for the largest tracked positions.

Which top funds are buying ARGX?

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 ARGX?

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