MPO~ hedge fund Aristeia Capital increases shares to 6.73% from 5.83% http://www.sec.gov/Archives/edgar/data/1080171/000101143815000097/form_sc13g-midstates.htm Aristeia was holding 5.83% of MPO shares. http://www.sec.gov/Archives/edgar/data/1080171/000101143814000118/form_sc13g-midstates.htm