 Goldman Sachs Group Inc. lessened its holdings in shares of BioTelemetry Inc NASDAQ:BEAT by 29.6 during the 2nd quarter, according to its most recent disclosure with the SEC. The fund owned 150,633 shares of the medical research companys stock after selling 63,245 shares during the period. Goldman Sachs Group Inc. owned 0.44 of BioTelemetry worth ... 