A rotating electric machine comprising: a stator core having an annular core back and a plurality of teeth; a plurality of windings(23U-23W) for each of U phase, V phase, and W phase wound around the teeth and each having one end and the other end extending from one and the other one of both end sides in an axial direction of the stator core; a bobbin insulating the stator core and each winding(23U-23W) from each other; and a power supply bus bar(25U-25W) for each of U phase, V phase, and W phase provided on the one of both end sides in the axial direction of the stator core, wherein a plurality of coil groups are formed each of which is composed of the windings(23U-23W) for U phase, V phase, and W phase, the one end of the winding(23U-23W) for each phase composing each coil group is connected to the power supply bus bar(25U-25W) for the corresponding phase, wherein the other ends of the windings (23U,23W), for the phases positioned at both ends in a circumferential direction in each coil group, extend toward the other end of the winding for the rest of the phases, whereby the other ends of the windings(23U-23W) for the respective phases are mutually connected, wherein the other ends of the windings(23U-23W) for the respective phases composing each coil group extend outwardly in a diameter direction, from the other end side in the axial direction of the stator core, the rotating electric machine further comprising regulation means provided on the outer circumferential side of the bobbin and regulating a position in the circumferential direction of the other end of the winding(23U-23W) for each phase, characterized in that the rotating electric machine further comprises a holder for holding a connection portion at which the other ends of the windings(23U-23W) for the respective phases are connected. a stator core having an annular core back and a plurality of teeth; a plurality of windings(23U-23W) for each of U phase, V phase, and W phase wound around the teeth and each having one end and the other end extending from one and the other one of both end sides in an axial direction of the stator core; a bobbin insulating the stator core and each winding(23U-23W) from each other; and a power supply bus bar(25U-25W) for each of U phase, V phase, and W phase provided on the one of both end sides in the axial direction of the stator core, wherein a plurality of coil groups are formed each of which is composed of the windings(23U-23W) for U phase, V phase, and W phase, the one end of the winding(23U-23W) for each phase composing each coil group is connected to the power supply bus bar(25U-25W) for the corresponding phase, wherein the other ends of the windings (23U,23W), for the phases positioned at both ends in a circumferential direction in each coil group, extend toward the other end of the winding for the rest of the phases, whereby the other ends of the windings(23U-23W) for the respective phases are mutually connected, wherein the other ends of the windings(23U-23W) for the respective phases composing each coil group extend outwardly in a diameter direction, from the other end side in the axial direction of the stator core, the rotating electric machine further comprising regulation means provided on the outer circumferential side of the bobbin and regulating a position in the circumferential direction of the other end of the winding(23U-23W) for each phase, characterized in that the rotating electric machine further comprises a holder for holding a connection portion at which the other ends of the windings(23U-23W) for the respective phases are connected.