The ornamental design for a holder for stackedbeveragecans, as shown and described.
FIG. 1 is a front, top, side perspective view of a holder for stacked beverage cans showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is another front, top, side perspective view thereof.
The broken lines in the drawings illustrate environmental material that form no part of the claimed design, and long-short-short-long dash lines in the drawings illustrate boundaries of the claimed design.