The minimum investment required by Alger Funds can vary based on the specific fund offerings and the type of account established. Generally, many mutual funds set minimum investment thresholds that can range from one thousand to several thousand dollars. Additionally, specific retirement accounts or institutional investments may have different minimums. It is important for investors to review the fund prospectuses or offerings to understand the exact minimum requirements, as these can change over time. For the most accurate and up-to-date information, it is advisable to refer to the relevant sections on the current Alger Funds website, where detailed descriptions of each fund and their respective minimum investments can be found. This will ensure investors have the correct information tailored to their interests and investment goals.