Display screen or portion thereof with animated graphical user interface

FIG. 1 is a front view of a display screen or portion thereof with animated graphical user interface showing the claimed 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; and,

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

The peripheral dashed broken lines depict a display screen or portion thereof, and form no part of the claimed design. The broken lines within the peripheral dashed broken lines depict portions of the graphical user interface which form no part of the claimed design.

The appearance of the graphical user interface transitions between the images shown in FIGS. 1 - 5 . The process or period in which one image transitions to another forms no part of the claimed design.