Display screen or portion thereof with animated graphical user interface

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

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof;

FIG. 5 is the fifth image thereof;

FIG. 6 is the sixth image thereof; and,

FIG. 7 is the seventh image thereof.

The broken lines illustrating portions of the graphical user interface and the display screen are for environmental purposes only and form no part of the claimed design.

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