A Sebi study reveals that 54% of IPO shares are sold within a week of listing by non-anchor investors. The study shows that 63.3% of shares are sold by non-institutional investors, with a higher exit rate for positive listing gains. A Sebi study reveals that 54% of IPO shares are sold within a week of listing by non-anchor investors. The study shows that 63.3% of shares are sold by non-institutional investors, with a higher exit rate for positive listing gains. Economic Times