shares of cleanspark on monday climbed after the company said its bitcoin holdings morethandoubled in the latest quarter and it sold more than 400 bitcoins for over 11 million in june at 1432 et shares were up 14 at 487 the stock has surged over 138 since the year started and jumped by 23 in the past twelve months the bitcoin company mined 1624 bitcoins during the quarter with bitcoin holdings growing by 170 when compared to the prior threemonth period additionally cleanspark said it funded growth and operations through the sale of 413 bitcoins during the month of june receiving proceeds of about 112 million in the month of june it mined 491 bitcoins cleanspark added