Just because you are logged in does not mean it will treat the user as a contact in xDB. You should check out https://doc.sitecore.net/sitecore_experience_platform/setting_up_and_maintaining/xdb/contacts/identifying_contactshow to identify contacts.
The key being to call Sitecore.Analytics.Tracker.Current.Session.Identify (identifier)Sitecore.Analytics.Tracker.Current.Session.Identify(identifier)
, where identfieridentfier
is the username or email.