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© 2026 StockSpill. Data from SEC EDGAR filings. Logos by Parqet.

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Which superinvestors and politicians own SEI (SEI)?

Explore more about SEI

Valuation & analysis

  • SEI DCF analysis
  • Free DCF calculator
  • Compound interest calculator

Smart-money holders

  • Superinvestors holding SEI
  • Politicians trading SEI
  • Insider buys & sells at SEI

Most-watched investors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman

Other popular stocks

  • AAPL
  • NVDA
  • MSFT
  • AMZN
  • GOOGL
  • META

Last updated Aug 4, 2026

SEI (SEI) — smart-money holders

SEI (SEI) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in SEI. Across our datasets, 2 superinvestors hold SEI and 2 insider buys are on record.

Notable holders include Leopold Aschenbrenner and Polen Capital.

Key takeaways

  • 2 superinvestor holders.
  • 2 insider buys / 9 insider sells on file.