Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns SEI? 13F holders and whale ownership

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

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2Tracked holders
$67.2MAggregate reported value
2026-05-19Page updated
1 increased, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Leopold Aschenbrenner 13F portfolio
Situational Awareness LP holdings
$62.5M1.1MReduced
Polen Capital 13F portfolio
Polen Capital Management holdings
$4.7M83.7KIncreased

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 SEI stock?

Whale Analyzer tracks 2 public institutional holders of SEI with a combined reported value of $67.2M. See the holder table above for the largest tracked positions.

Which top funds are buying SEI?

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 SEI?

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