Display screen or portion thereof with animated graphical user interface

FIG. 1 is a front view of the first image of a display screen or portion thereof with animated graphical user interface, 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 the first image of a second embodiment thereof;

FIG. 5 is a front view of a second image thereof; and,

FIG. 6 is a front view of a third thereof.

The dot-dashed broken line showing of the display screen forms no part of the claimed design. The other broken lines in the figure show portions of the graphical user interface that form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 through 3 and FIGS. 4 through 6 . The process or period in which one image transitions to another image forms no part of the claimed design.