Investment company TVC Holdings has increased its shareholding in UTV Media, buying an additional 4 per cent stake in the firm.
This brings TVC's holding in the company to 15 per cent, representing an investment of about €24.8 million.
On Tuesday, the investment firm announced it had acquired 11 per cent of the company for €19 million, making TVC the single largest shareholder.
UTV owns a number of media assets, including Dublin radio stations FM104.