 ProShare Advisors LLC lessened its stake in PDL BioPharma Inc NASDAQ:PDLI by 8.6 during the fourth quarter, Holdings Channel reports. The firm owned 39,965 shares of the biotechnology companys stock after selling 3,784 shares during the period. ProShare Advisors LLCs holdings in PDL BioPharma were worth 130,000 as of its most recent SEC filing. Several ... 