Abu Dhabi sovereign wealth fund Aabar Investments has increased its stake in Italian bank UniCredit to 6.5 per cent by exercising a call option, market regulator Consob said.

Aabar previously had 4.99 per cent of UniCredit, Consob said.

Consob said on its website that the increase in the stake dated back to February 14.

The regulator also said in an update on its website that US fund Capital Research and Management has cut its stake to 2.732 on February 10 from a previous 5.4 per cent holding.-Reuters