Foreign institutional investors (FIIs) were net buyers of Rs 180.65 crore (provisional) on Monday, according to data released by BSE.While FIIs made gross purchases of Rs 1,795.70 crore, gross sales totalled Rs 1,615.05 crore.FIIs were net sellers of Rs 147.10 crore on Friday, May 25, according to data released by Sebi on Monday. While FIIs made gross purchases of Rs 2,585.80 crore, gross sales totalled Rs 2,732.90 crore.Mutual funds (MFs) were net buyers of Rs 38.30 crore on Friday. MFs made purchases of Rs 562.10 crore and sales of Rs 523.80 crore.