July 18 (Reuters) - Ivanhoé Cambridge:
* Launches sale of up to 12.65 million Gecina preferential subscription rights
* Launch of sale of Gecina preferential subscription rights by way of accelerated bookbuilt offering to institutional investors
* To sell significant part of preferential subscription rights, to use net proceeds of sale to subscribe for new shares in capital increase of Gecina
* Following Eurosic acquisition, rights offering, bookbuilt offering, co will remain largest shareholder in Gecina with stake of 20.4 pct
* Goldman Sachs (NYSE:GS) International acting as sole global coordinator, joint bookrunner
* Deutsche Bank (DE:DBKGn), Morgan Stanley (NYSE:MS) acting as joint bookrunners on placing