KCG Holdings Inc said July 27 that it agreed to buy Neonet Securities AB. Hay Tor Capital, KAS BANK and Cidron Delfi Intressenter Holding are the sellers. Financial terms weren't disclosed. Stockholm-based Neonet is an agency broker and execution specialist. KCG was advised on the transaction by Advokatfirman Vinge KB and Sullivan & Cromwell LLP. NovitasFTCL acted as financial advisor while Advokatfirman Delphi the legal advisor to the shareholders of Neonet.