Display Screen or Portion Thereof with an Animated Graphical User Interface

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

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof; and,

FIG. 7 is a front view of a seventh image thereof.

The outermost broken lines shown in the figures illustrate portions of the display screen or a portion thereof with a graphical user interface that form no part of the claimed design. The other broken lines in the figures show portions of the graphical user interface that form no part of the claimed design.

The appearance of the display screen or portion thereof with animated user interface transitions sequentially between the views shown in FIGS. 1 through 7 . The process or period in which one figure transitions to another forms no part of the claimed design.