Michael Saylor's Strategy made its largest weekly Bitcoin purchase since July, adding 10,624 BTC for $962.7 million at an average price of $90,615. The firm now holds 660,624 BTC worth $49.35 billion, with a $74,696 average cost. Saylor said he is in talks with sovereign wealth funds and hedge funds to expand adoption, while MSTR shares ticked higher pre-market.