Dimensional Fund Advisors was founded in 1981. Today, the firm has $460 billion in assets under management (as of December 31, 2016). Dimensional’s story was featured in The Wall Street Journal article “The Active-Passive Powerhouse” by financial author Jason Zweig.
Zweig noted, “Dimensional’s founders are pioneers of index funds. But these men concluded long ago that investors who respected efficient markets could nevertheless achieve better returns than plain index funds deliver.”