v3.25.1
Document and Entity Information
Mar. 31, 2025
Prospectus:  
Document Type 485BPOS
Entity Central Index Key 0001318342
Document Creation Date Mar. 25, 2025
Entity Inv Company Type N-1A
Entity Registrant Name INVESTMENT MANAGERS SERIES TRUST
Document Effective Date Mar. 31, 2025
Prospectus Date Mar. 31, 2025
Amendment Flag false
Document Period End Date Nov. 30, 2024
Riverbridge Growth Fund | Investor Class Shares  
Prospectus:  
Trading Symbol RIVRX
Riverbridge Growth Fund | Institutional Class Shares  
Prospectus:  
Trading Symbol RIVBX