The ornamental design for a displayscreen or portion thereof with animated graphical user interface, as shown and described.
FIG. 1. is a first image of a display screen or portion thereof with animated graphical user interface showing my new design;
FIG. 2. is a second image thereof;
FIG. 3. is a third image thereof;
FIG. 4. is a fourth image thereof; and,
FIG. 5. is a fifth image thereof.
The appearance of the animated image sequentially transitions between the images shown in FIGS. 1-5. The process or period in which one image transitions to another image forms no part of the claimed design.
The broken lines illustrate a display screen or portion thereof and portions of the graphical user interface and form no part of the claimed design.