1 New accounts with a minimum investment amount of $50 are offered through the Thrivent Mutual Funds “automatic purchase plan.” Otherwise, the minimum initial investment requirement is $2,000 for non-retirement accounts and $1,000 for IRA or tax-deferred accounts, minimum subsequent investment requirement is $50 for all account types. $50 a month automatic investment does not apply to the Thrivent Money Market Fund or Thrivent Limited Maturity Bond Fund, which have a minimum monthly investment of $100.