Your question is not clear, so we can;t help you directly...
Have a look here:
LINQ - Grouping Operators[
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[EDIT]
It might look like:
var qry = cells.GroupBy(x=>x.Status).Select(grp=>new{Status=grp.Key, Name = grp.Key.Name, Value=grp.Sum(z=>z.Value)});
[/EDIT]