The industry's equity assets under management (AUM) grew to Rs 3.94 lakh crore in July this year, according to the Association of Mutual Funds in India (AMFI).
Analysts said equity markets have delivered positive returns, a big reason why retail investors went for such schemes.
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"There has been a change in investor sentiment over the the last one year, especially after the general election verdict in May 2014.
"We are witnessing a trend where more and more investors are coming back into financial assets. Positive investment returns have also attracted investors into equity segment," said an industry expert.
Furthermore, in the last one year, equity schemes have witnessed a funds infusion of over Rs 1 lakh crore.
Inflow in equity schemes has helped the 44 mutual funds cross record Rs 13 lakh crore-mark in AUM at July end.
Meanwhile, the benchmark BSE Sensex has surged 8.6% during the period under review.
Besides, many investors are running away from poor performers, including gold.
Mutual fund is an investment vehicle with a pool of funds collected from investors to buy securities such as stocks, bonds, money market instruments and similar assets.