Piper Jaffray & Co., often shortened to just Piper Jaffray or PiperJaffray, is a U.S. middle-market investment banking firm based in Minneapolis, Minnesota, and sells financial advice, investment products, and transaction execution within targeted sectors of the financial services marketplace. Through its principal subsidiary, Piper Jaffray & Co., the Company targets corporations, government, non-profit entities, institutional investors, and the financial advisory needs of private individuals. - Source: Wikipedia