The company told the Borsa Italiana that family-controlled d'Amico International sold out to Italian and overseas institutional investors.
A total of 42,195,531 shares changed hands.
The price was EUR 0.695 each, DIS said.
The stock was trading up 0.69% at EUR 0.729 on Friday in Milan.
d'Amico International had 72.5% of the company before the sale.
The deal was run by Banca IMI anmd Equita SIM.