Millennium Management’s SEI Investments SEIC Stock Holding History
Bought
Maintained
Sold
Other funds holding SEIC
Millennium Management's SEIC Position: Q2 2026 in Review
Millennium Management increased its SEI Investments (SEIC) stake by 124% in Q2 2026, buying an estimated $12.9M and bringing the position to 266,217 shares worth $23.3M. The position accounts for 0.01% of the portfolio, ranked #1491.
Millennium Management first reported a position in SEIC in Q2 2013 and has held it in 50 quarters since. The position peaked at $60.8M in Q1 2025. 574 funds tracked by Wall St. Rank hold SEIC as of Q2 2026.
- Millennium Management held 266,217 shares of SEI Investments worth $23.3M as of Q2 2026.
- Millennium Management bought 147,452 SEI Investments shares in Q2 2026, an estimated $12.9M.
- SEI Investments made up 0.01% of Millennium Management's portfolio in Q2 2026, its #1491 holding.
- Millennium Management first reported a position in SEI Investments in Q2 2013 and has held it in 50 quarters since.
- Millennium Management's SEI Investments position peaked at $60.8M in Q1 2025.
- 574 funds tracked by Wall St. Rank held SEI Investments as of Q2 2026.
Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.