Mutual funds add or exit stocks to manage their portfolio and offer better returns. Here are mid cap stocks that mutual funds added in their portfolio in September, according to Mutual Fund Insights by Nuvama Alternative & Quantitative Research. Mutual funds add or exit stocks to manage their portfolio and offer better returns. Here are mid cap stocks that mutual funds added in their portfolio in September, according to Mutual Fund Insights by Nuvama Alternative & Quantitative Research. Economic Times