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