Hi,

Colum A will have ID numbers.

ID 1
ID 1
ID 2
ID 2
ID 2
ID 3
ID 4
ID 4
ID 4
ID 4
ID 5

Any rows with 3 or more of the same ID number will be cut and pasted to the top of the sheet (ID 2 & 4 will be at the top of the sheet when macro finished)

Cheers