Device for populating a stator core with conductor pieces, preferably with hairpins, which are designed in particular with a rectangular conductor cross section, wherein the device comprises: a receptacle for receiving the conductor pieces with play in a configuration that corresponds to a configuration of the conductor pieces that is intended for insertion into a stator core, wherein the conductor pieces are arranged in the receptacle in radially extending row arrangements in the intended configuration; in particular at least one populating device which is designed and arranged to populate the receptacle with conductor pieces, and which in particular has a gripper-based design, a gripping device which is designed and arranged to remove the conductor pieces held with play in the receptacle from said receptacle, and to insert them into the stator core in an intended final arrangement, and a stator core receptacle for receiving a stator core into which the conductor pieces are to be inserted, wherein the gripping device comprises an alignment device, wherein the alignment device is designed to align, in a gripping process, a plurality of conductor piece rows, which are held with play in the receptacle and are arranged extending radially, in each case in their intended row arrangement so as to be adjacent to one another and extend radially, in that the alignment device forms a radial stop on a first radial side for the conductor pieces of the relevant row arrangement, and further forms a peripheral stop on both sides, wherein the gripping device further comprises a counter-bearing device formed separately from the alignment device, which counter-bearing device is designed and arranged to form a radial stop on a second radial side, arranged opposite the first radial side, in the gripping process of the gripping device, and wherein the gripping device is designed to fix the conductor pieces of the relevant row arrangement in a clamping manner between the radial stop of the alignment device and the radial stop of the counter-bearing device, wherein the alignment device has a plurality of fork-shaped receivers which are each designed and arranged to grasp the conductor pieces of a row arrangement, wherein the gripping device is designed such that the respective fork-shaped receivers are each pushed in the radial direction onto the conductor pieces of a relevant row arrangement in the gripping process. a receptacle for receiving the conductor pieces with play in a configuration that corresponds to a configuration of the conductor pieces that is intended for insertion into a stator core, wherein the conductor pieces are arranged in the receptacle in radially extending row arrangements in the intended configuration; in particular at least one populating device which is designed and arranged to populate the receptacle with conductor pieces, and which in particular has a gripper-based design, a gripping device which is designed and arranged to remove the conductor pieces held with play in the receptacle from said receptacle, and to insert them into the stator core in an intended final arrangement, and a stator core receptacle for receiving a stator core into which the conductor pieces are to be inserted, wherein the gripping device comprises an alignment device, wherein the alignment device is designed to align, in a gripping process, a plurality of conductor piece rows, which are held with play in the receptacle and are arranged extending radially, in each case in their intended row arrangement so as to be adjacent to one another and extend radially, in that the alignment device forms a radial stop on a first radial side for the conductor pieces of the relevant row arrangement, and further forms a peripheral stop on both sides, wherein the gripping device further comprises a counter-bearing device formed separately from the alignment device, which counter-bearing device is designed and arranged to form a radial stop on a second radial side, arranged opposite the first radial side, in the gripping process of the gripping device, and wherein the gripping device is designed to fix the conductor pieces of the relevant row arrangement in a clamping manner between the radial stop of the alignment device and the radial stop of the counter-bearing device, wherein the alignment device has a plurality of fork-shaped receivers which are each designed and arranged to grasp the conductor pieces of a row arrangement, wherein the gripping device is designed such that the respective fork-shaped receivers are each pushed in the radial direction onto the conductor pieces of a relevant row arrangement in the gripping process.