Vane segment for a turbomachine

The invention relates to a vane segment (10) for a turbomachine, in particular for an aircraft engine, comprising: comprises at least one guide vane (12) having at least one in a radial direction of extension (R) of the Leitschaufelelements formed (12) flange (14) and at least one in the radial direction of extension (R) of the flange (14) abragendes positioning means (18) - , and - at least one seal carrier (30) which is arranged on the flange (14) and by means of the positioning means (18) relative to the guide vane (12) aligned with the flange (14) has a support surface (16) on which the seal carrier (30) is supported, wherein in a transition (19) from the flange (14) to the positioning means (18) is adjacent a face (20) of the positioning means (18) to the flange (14) and respective surface normal (17, 21) of the support surface (16) and the partial surface (20) enclose an angle other than a zero angle (α) with one another. The invention further relates to a guide vane (12) for a vane segment (10), a guide vane ring as well as a fluid machine.