Display Screen or Portion Thereof with an Animated Graphical User Interface

FIG. 1 is a front view of a display screen or portion thereof with an animated graphical user interface showing a first image, which is part of a sequence showing our new design;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof;

FIG. 4 is a fourth image thereof;

FIG. 5 is a fifth image thereof;

FIG. 6 is a sixth image thereof; and

FIG. 7 is a seventh image thereof.

FIG. 8 is a front view of a second embodiment thereof;

FIG. 9 is a second image thereof;

FIG. 10 is a third image thereof;

FIG. 11 is a fourth image thereof;

FIG. 12 is a fifth image thereof;

FIG. 13 is a sixth image thereof; and,

FIG. 14 is a seventh image thereof.

The appearance of the image transitions sequentially between the images shown in FIGS. 1 - 7 and FIGS. 8 - 14 , respectively. The process or period in which one image transitions to another forms no part of the claimed design.

The long and short dashed broken line showing of a display screen or portion thereof in all views forms no part of the claimed design. The area between the long and short dashed broken line and the even broken lines show portions of the graphical user interface that form no part of the claimed design. The text in all figure views forms part of the claimed design.