SEI Investments - 44 Year Stock Price History | SEIC

The latest closing stock price for SEI Investments as of June 20, 2025 is 83.22.

  • An investor who bought $1,000 worth of SEI Investments stock at the IPO in 1981 would have $843,873 today, roughly 844 times their original investment - a 16.55% compound annual growth rate over 44 years.
  • The all-time high SEI Investments stock closing price was 86.08 on January 31, 2025.
  • The SEI Investments 52-week high stock price is 87.25, which is 4.8% above the current share price.
  • The SEI Investments 52-week low stock price is 62.38, which is 25% below the current share price.
  • The average SEI Investments stock price for the last 52 weeks is 75.95.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

SEI Investments - 44 Year Stock Price History | SEIC

  • An investor who bought $1,000 worth of SEI Investments stock at the IPO in 1981 would have $843,873 today, roughly 844 times their original investment - a 16.55% compound annual growth rate over 44 years.
  • The all-time high SEI Investments stock closing price was 86.08 on January 31, 2025.
  • The SEI Investments 52-week high stock price is 87.25, which is 4.8% above the current share price.
  • The SEI Investments 52-week low stock price is 62.38, which is 25% below the current share price.
  • The average SEI Investments stock price for the last 52 weeks is 75.95.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.