 Alliancebernstein L.P. lifted its holdings in shares of BioTelemetry Inc NASDAQ:BEAT by 13.3 in the 1st quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission SEC. The firm owned 129,810 shares of the medical research companys stock after buying an additional 15,210 shares during the quarter. Alliancebernstein ... 