bizjets
Most of the bizjets seen regularly are operated by Netjets. They use MSE a lot for training flights. They aren't based there. Generally they are ones with a registration starting with CS-. There is a noticeable upsurge in other bizjet traffic lately too.
Looking good today, no small bizjets by the terminal as MK and Cargolux will be using the main apron and OHK will be crew training.