ECKET — In the five years of its existence, the chamber-size contemporary ballet company Morphoses has lived up to the ephemerality of its name, with varying results. The unevenness of the world premiere of “Within (Labyrinth Within)” at Jacob’s Pillow Dance Festival suggests that the group is still trying to regain its footing.

The company’s brief Sturm und Drang-filled history includes a reported falling out between its cofounders — the talented choreographer Christopher Wheeldon and the former ballerina Lourdes Lopez, now Morphoses’ director — resulting in both the exit of Wheeldon and the company’s new model of engaging a series of visiting resident artistic directors.