Nathan Anthony Steinberg, Director at HeiQ PLC, holds 49.00K shares in HeiQ PLC (Ticker: GB:HEIQ), holds 1.88M shares in Location Sciences Group Plc (Ticker: GB:SORT), holds 400.00K shares in Ambrian (Ticker: GB:AMBR). Most recently, Nathan Anthony Steinberg Bought ― shares of HeiQ PLC on Aug 19, 2015 for an estimated value of 12.00K.