How to exclude few siblings from equity pick up calculations, taking place at holding company?

Summary:

We want the holding company, not to consider few of it's siblings from equity pick up calculations. There are total 10 Siblings and it wants to consider only 5 siblings for EPU calculations. How can that be achieved?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):