Dimensional Fund Advisors has specific minimum investment requirements that can vary depending on the type of investment vehicle and the particular fund. Generally, these minimums are established to align with the investment strategy and target clientele. For institutional investors, the minimum investment could be significantly higher than for individual investors, typically starting in the hundreds of thousands of dollars. Individual accounts may have lower thresholds, often beginning at fifty thousand dollars or more, but this can also depend on the specific fund selected. It is essential to keep in mind that these minimums are subject to change, so it would be prudent for potential investors to check the most current information available on the official Dimensional Fund Advisors website or consult with a financial advisor to understand the most accurate thresholds based on individual circumstances and fund choices.