Alfred P. West Jr.

Companies

• SEI Investments CompanyChair Feb 22, 2006 to now¹
• SEI Investments CompanyBoard member Nov 25, 2008 to Sep 22, 2020²
• SEI Investments CompanyChief executive officer Feb 22, 2006 to Dec 12, 2012¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• SEI Investments Company SEIC6,818,451 shares³$715.3M at $104.91Jun 29, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 29, 2026Sold 1,680 shares at $88.09 of SEI Investments Company³
• Jun 29, 2026Sold 5,652 shares at $87.18 of SEI Investments Company³
• Jun 26, 2026Sold 3,838 shares at $87.67 of SEI Investments Company³
• Jun 26, 2026Sold 46,162 shares at $87.21 of SEI Investments Company³
• Mar 11, 2026Sold 1,371 shares at $79.94 of SEI Investments Company⁴
• Mar 11, 2026Sold 6,076 shares at $79.11 of SEI Investments Company⁴
• Mar 10, 2026Sold 29,431 shares at $80.47 of SEI Investments Company⁴
• Mar 10, 2026Sold 25,391 shares at $79.97 of SEI Investments Company⁴
• Mar 10, 2026Sold 178 shares at $78.88 of SEI Investments Company⁴
• Jan 1, 2026Shares withheld for tax 3,482 shares at $82.02 of SEI Investments Company⁵
• Dec 5, 2025Shares withheld for tax 1,100 shares at $81.25 of SEI Investments Company⁶
• Dec 3, 2025Sold 24,770 shares at $80.87 of SEI Investments Company⁷
• Dec 3, 2025Exercised options 30,000 shares at $53.34 of SEI Investments Company⁷
• May 29, 2025Sold 1,628 shares at $85.21 of SEI Investments Company⁸
• May 29, 2025Sold 64,498 shares at $84.26 of SEI Investments Company⁸
• May 28, 2025Sold 75,000 shares at $85.78 of SEI Investments Company⁸
• Mar 5, 2025Sold 1,372 shares at $76.28 of SEI Investments Company⁹
• Mar 4, 2025Sold 13,855 shares at $77.20 of SEI Investments Company¹⁰
• Mar 4, 2025Sold 47,718 shares at $76.49 of SEI Investments Company¹⁰
• Mar 4, 2025Sold 18,427 shares at $75.77 of SEI Investments Company¹⁰
• Mar 3, 2025Sold 21,616 shares at $80.30 of SEI Investments Company¹⁰
• Mar 3, 2025Sold 19,405 shares at $79.55 of SEI Investments Company¹⁰
• Mar 3, 2025Sold 31,821 shares at $78.82 of SEI Investments Company¹⁰
• Dec 16, 2024Sold 3,738 shares at $86.09 of SEI Investments Company¹¹
• Dec 16, 2024Sold 34,672 shares at $85.34 of SEI Investments Company¹¹