Display screen or portion thereof with animated graphical user interface

FIG. 1 is a front view of a first image in the sequence for an embodiment of an animated user interface for a display screen or portion thereof showing my 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; and,

FIG. 6 is a front view of a sixth image thereof.

The outermost broken line represents the display screen or portion thereof and forms no part of the claimed design. The broken lines within the display screen show portions of the graphical user interface and form no part of the claimed design.

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