Jackson Creek Investment Advisors Acquires Simmons First National Shares Jackson Creek Investment Advisors recently purchased 66,171 shares of Simmons First National, reflecting continued institutional interest. The bank's shares opened at $20.56, with a market cap of $2.59 billion. Simmons First National has a 52-week trading range between $16.03 and $25.95, highlighting its stock's volatility over the past year.34