Brief: Barclays held 11% of Italy's Avio, 2.5% in voting rights, as of November 18
Nov 25 (Reuters) - Italy's market watchdog CONSOB says in a filing: BARCLAYS HELD 10.984% STAKE IN ITALY'S AVIO, OF WHICH 2.5% AS VOTING RIGHTS AND 8.5% THROUGH DERIVATIVES, AS OF NOVEMBER 18, UP FROM PREVIOUS 5% Further company coverage: AVI.MI ((gianluca.semeraro@tr.com; +39 06 80 307 741;))