Jonathan A Rubenstein, Director at Detour Gold, holds 18.00K shares in Detour Gold (Ticker: DRGDF), holds 110.62K shares in MAG Silver (Ticker: MAG), holds 806.65K shares in GR Silver Mining (Ticker: GRSLF). Most recently, Jonathan A Rubenstein Sold ― shares of Detour Gold on Aug 08, 2018 for an estimated value of 114.43K.