Wells Fargo holds the title, you see this (or another bank name) on a lot of flights, including commercial airlines.
By googling the reg we can see it is operated by Southern Air out of Cincinnati on cargo contract to DHL. Having a bank such as Bank of Utah on the reg is commonly done as part of an in-trust arrangement, though the bank does not retain operational control over the aircraft. It serves to mask the actual owner, but much of the time it is possible to find out anyway.