Integrated EGR mixer and ported shroud housing compressor

An exemplary compressor housing (200) includes a compressor volute (210); concentric walls (292,282,280) that define an annular passage (283) and a compressor wheel shroud (240) disposed about a central axis where a compressor wheel (204) positioned with respect to the shroud has an intended direction of rotation about the central axis; positioned with respect to the central axis, from a lower axial position to a higher axial position, a gas inlet (262) to the annular passage, one or more ports (288) extending between the shroud and the annular passage and a nozzle (296); and a gas volute (260) to provide, to the gas inlet to the annular passage, gas having swirl in a direction opposite the intended direction of rotation of the compressor wheel. Various other exemplary devices, systems, methods, etc., are also disclosed.