Impinj Raises $19 Million

Impinj Inc., a Seattle-based provider of semiconductor and RFID technology, has raised $19 million in fifth-round question. AllianceBernstein led the deal, and was joined by return backers ARCH Venture Partners, GF Private Equity Group, Madrona Venture Group, Mobius Venture Capital, Polaris Venture Partners, Unilever Technology Ventures, UPS Strategic Enterprise Fund, VentureTech Alliance and the Viterbi Group.