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 the first image in the sequence of the new design for a display screen or portion thereof with animated graphical user interface;
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; and,
FIG. 6 is the sixth image thereof.
The appearance of the animated user interface sequentially transitions between the images shown in FIGS. 1-6 the process or period between which one image transitions to another forms no part of the claimed design.
The outermost broken line rectangle shows the display screen or portion thereof, and forms no part of the claimed design. All other broken lines show portions of the animated graphical user interface and form no part of the claimed design.