Piper Jaffray | 28,621 followers on LinkedIn. Piper Jaffray is now Piper Sandler (NYSE: PIPR) - Follow Piper Sandler on LinkedIn! | Piper Jaffray Companies (NYSE: PJC) is a leading investment bank and institutional securities firm driven to help clients Realize the Power of Partnership®. Founded in 1895, the firm is headquartered in Minneapolis with more than 50 offices across the U.S. and in London, Aberdeen and Hong Kong. We offer a full suite of products to serve our clients’ business life cycle needs, geographic reach in an increasingly global market, and deep expertise in our core sectors.