From the National GEM consortium:
"With regard to your HELD employer status, GEM Employers are actively reaching out to Completed 2015 GEM applicants right now. Please make sure your voicemail is updated with a professional outgoing message. Please respond within 24 hours to any requests for an interview or other GEM Employer inquiries. You will see your homepage Employer status change from unmatched, to matched, to released as your application is previewed by several Employers. Do not be concerned with this status."