Have one on ones? Understand the reason behind this behaivour. Are they shy or insecure or scared? As a manager, try to break the ice. Make them feel part of the group.
Well, whispering employees could be the modern-day ninjas of the office! Jokes aside, addressing their constant chatter respectfully and setting clear expectations on workplace behavior could strike a harmonious balance.
Judge on results. If they’re good and deliver, just ignore. You’re not the police, work needs to be a nice environment to work in. Else, they’ll leave you.