This article aims at answering the following problem: since for Heidegger the historicity of Being presupposes the withdrawal of the transcendental source of such a historicity, then does Heidegger’s perspective lead to a form of relativism of the kind of an epochal historicism? If on the contrary one judges that for Heidegger there is after all, beyond the ordered unfolding of epochs in the history of Being, an ultimate transcendental or at least trans-epochal dimension, does Heidegger’s thinking lead back to an ahistorical Absolute beyond historicity? In order to answer these questions, I propose to divide Heidegger’s philosophy in three stages, rather than the two stages that have usually been retained by commentators ever since the works of Richardson, in conformity with Heidegger’s own indications regarding the Turning (