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 a first image in the sequence showing my new design;

FIG. 2 is a front view of a display screen or portion thereof with animated graphical user interface showing a second image in the sequence showing my new design; and,

FIG. 3 is a front view of a display screen or portion thereof with animated graphical user interface showing a third image in the sequence showing my new design.

The broken lines showing a display screen or portion thereof and elements of the graphical user interface illustrates portions of the article and form no part of the claimed design. The dot-dash broken lines show a symbolic break in the length of the article. The appearance of the article between the break lines forms no part of the claimed design. The appearance of the graphical user interface transitions sequentially between the images shown in FIGS. 1-3 . The process or period in which one image transitions to another forms no part of the claimed design.