An assignee and a holder's rights are equivalent.

An assignee receives the transfer from the assignor. It's mean that the assignee is a person and company or entity which gets the title or ownership from a contract due to the transfer of a property or rights. The holder of a negotiable instrument is the one who has the possession and entitlement to enforce the instrument. The holder and the assignee both have ownership of the property and entitlement to take decisions accordingly.