Commerzbank Says Some Institutional Investors Have Accepted UniCredit's Offer CBK UCG Commerzbank said a small portion of its institutional investors have accepted UniCredit's takeover offer, after previously saying that no institutional investors were identified tendering shares. The German bank in a release said that institutional investors have tendered 1.29% of Commerzbank shares. In addition, it disclosed that banks have tendered 11.17% of shares and retail investors tendered 0.05%.