FinancePrior to the market carnage on March 12 the Grayscale Bitcoin Trust GBTC had acquired over 300000 BTC Grayscales trust has been one of the longestrunning FINRA approved investment vehicles with bitcoin assets under management On Feb 5 GBTC shares climbed more than 10 that week and investors were also paying a 2030 premium Since then and after the market downturn on Thursday GBTC shares are down 45 from 1152 to 632 per share