Jane Street, one of Wall Street's most secretive and profitable trading firms (with over $40 billion in trading revenue this year alone), just released their Q2 report: $990 million in BTC ETF holdings, including $828 million allocated to IBIT and a significant increase in MSTR shares. The turning point was last quarter when they first reduced the same position by over 70%, only to buy it all back within three months. Smart money from institutions is returning to crypto.