How to transfer data from Genymotion to host machine?

Try this:

• Go to your VirtualBox VM settings Shared folder tab (open VirtualBox > select the Android/Genymotion virtual machine > Settings > Shared folders)
• Add a shared folder with the folder you want to share, and check the auto mount and permanent options
• Start your VM as usual from the Genymotion software
• Your shared folder is available in the /mnt/shared directory (multiple shared folders are supported)

Source: Accessing files from Genymotion SD card | Stack Overflow