Display screen or portion thereof with an animated graphical user interface

FIG. 1 depicts a first image in a sequence for a display screen or portion thereof with an animated graphical user interface;

FIG. 2 depicts a second image in the sequence for the display screen or portion thereof with the animated graphical user interface;

FIG. 3 depicts a third image in the sequence for the display screen or portion thereof with the animated graphical user interface;

FIG. 4 depicts a fourth image in the sequence for the display screen or portion thereof with the animated graphical user interface;

FIG. 5 depicts a fifth image in the sequence for the display screen or portion thereof with the animated graphical user interface; and,

FIG. 6 depicts a sixth image in the sequence for the display screen or portion thereof with the animated graphical user interface.

The appearance of the animated graphical user interface sequentially transitions between the images shown in FIGS. 1 - 6 . The process or period in which one image transitions to another forms no part of the claimed design.

The outermost broken lines in the figures illustrate a display screen or portion thereof and form no part of the claimed design. The remaining broken lines in the figures illustrate portions of the graphical user interface that do not form part of the claimed design.