Sam Eisenstadt established the roots of quant investing in 1965. He created the first quantitative ranking system using 6-month trailing performance and discovered that the top stocks were outperforming the bottom-ranked stocks. Nowadays, most of the investment community has adopted quant investment strategies. Many funds and institutional investors use them to outperform stocks and increase their returns. Let’s have a closer look at quantitative investing and why it attracted the attention of many investors.