How do I return moving copied sprites to their different x and y positions?

I am working on a game where there are sharks that move to the left and I need to avoid them. when the player's life is =0 the game is repeated. However, the sharks keep on moving even if the game is restarted. how can I reposition them to their original X and Y. Note that there are more than one shark in different locations.

Have you tried the restart layout system action? I believe that should reset object positions.