The ornamental design for a displayscreen or portion thereof with anmated graphical user interface, as shown and described.
FIG. 1 is a front view of a display screen or portion thereof with animated graphical user interface showing our claimed 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 peripheral dashed broken lines illustrate a display screen or portion thereof, and form no part of the claimed design. The broken lines within the peripheral dashed broken lines illustrate portions of the animated graphical user interface which form no part of the claimed design.
The appearance of the animated graphical user interface transitions between the images shown in FIGS. 1-4.