 Cambridge Investment Research Advisors Inc. bought a new position in shares of PDL BioPharma Inc NASDAQ:PDLI during the first quarter, HoldingsChannel reports. The institutional investor bought 13,082 shares of the biotechnology companys stock, valued at approximately 37,000. Several other large investors also recently modified their holdings of the company. Zurcher Kantonalbank Zurich Cantonalbank increased its ... 