Abstract: The invention relates to a method and a device (2) for filling a plurality of containers (1) in a nest (10) comprising columns (101) and rows (102), in particular for filling nested ampoules or cartridges, wherein a plurality, in particular all, of the containers arranged in a column (101) are each simultaneously filled by way of a filling needle (200), wherein a sensor device (21) in each case detects when a defined fill level is reached during the filling operations of the containers (1), and wherein detection of the defined fill level being reached triggers a stop signal for the filling operation of the respective container (1).