Possible Clues:

• Pride Month inits
• Film genre that includes 'Moonlight' and 'Call Me by Your Name'
• Abbreviation to which Q and/or I may be added
• Rainbow flag movement, for short
• Prideful grp.?
• Letters on a Pride float
• Like the group you're in if you're out, for short
• Letters for Out readers
• Letters of 'pride'
• Modern movement inits