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  • Insider Ownership

Insider Trading & Ownership of Alfred P. West Jr.

Location
Oaks, PA
Summary
The estimated net worth of Alfred P. West Jr. is at least $549,650,093 dollars as of 12 Mar 2026. Alfred P. West Jr. is the Chairman Emeritus of SEI INVESTMENTS CO and owns shares of SEI INVESTMENTS CO (SEIC) stock worth about $549.65M.
Signature
/s/ Alfred P. West, Jr., by Diane Gallagher, attorney in fact
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Quick Takeaways

  • Alfred P. West Jr. has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $549,650,093.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: SEI INVESTMENTS CO ($549,650,093).
  • Past-year value change for that position: -$19,013,115.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Alfred P. West Jr.

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
SEIC SEI INVESTMENTS CO Chairman Emeritus $549,650,093 -$19,013,115 -3.3% 10 Mar 2026

Insider Transactions Reported by Alfred P. West Jr.:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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