Soros fund buys 6.8 pct of NPS Pharma

May 31 - Soros Fund Management LLC said on Tuesday it now owns 6.8 percent of NPS Pharmaceuticals Inc. , according to a filing with the U.S. Securities and Exchange Commission.

The fund, controlled by billionaire investor George Soros, acquired more than 3.1 million shares over the past 60 days for a total of about $8.9 million, according the filing.

The Soros group is "concerned about...the past and current decision making and operations," of the company and "may suggest strategic changes," the filing said.

NPS' stock is trading at $5.93 a share in after hours trading after closing at $5.44 on the Nasdaq.