Categorize the companies based on their ownership status.
Meta, Microsoft, Amazon, Deloitte, KPMG, Ernst & Young
Private held : Deloitte, KPMG, Ernst & Young 
Public : Meta, Microsoft, Amazon
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Categorize the companies based on their ownership status.
Meta, Microsoft, Amazon, Deloitte, KPMG, Ernst & Young
### Input: 
### Response: Private held : Deloitte, KPMG, Ernst & Young 
Public : Meta, Microsoft, Amazon