About 43% of U.S. institutional investors have incorporated environmental, social and governance factors into their investment decision-making process, according to the results of Callan's sixth annual ESG survey.

The percentage, according to Callan, is the highest recorded in the survey's history and has doubled since the first survey conducted in 2013.

The survey includes responses from 89 U.S. institutional funds, with the largest funds incorporating ESG factors at the highest rate of 72%.

Corporate defined benefit plans incorporated ESG factors into the investment decision-making process at a rate of 33% compared to 9% at defined contribution benefit plans. Public defined benefit plans utilized ESG factors at a 43% rate, compared to defined contribution plans at 20%.