Abstract: The invention relates to a device for securing panes of glass for sliding doors, made up of a rear plate (3) on which a rolling element (2) is supported which is configured to enable the movement of the securing device (1) along a profile (F) of a sliding door (P); and a first front plate (4) and a second front plate (5) facing the rear plate (3) and able to be coupled to it, defining an intermediate mortise (7) for securing a pane of glass (H). Said securing device (1) comprises a third front plate (6) facing the rear plate (3) and able to be coupled to it, arranged between the first front plate (4) and the second front plate (5).