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Alger Mid Cap Focus Fund Annual Fund Operating Expenses - Class A C Shares [Member] - Alger Mid Cap Focus Fund
Oct. 31, 2025
Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.67% [1]
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.23%
Expenses (as a percentage of Assets) 1.15%
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.67% [1]
Distribution and Service (12b-1) Fees 1.00%
Other Expenses (as a percentage of Assets): 0.25%
Expenses (as a percentage of Assets) 1.92%
[1] The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $250 million is .70%, and for assets in excess of $250 million is .50%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2025 was .67%.