The next batch of institutional 13F filings is due November 16, with market participants watching for updated spot bitcoin ETF positioning data from major asset managers. The previous filing cycle, covering positions through June, revealed that Millennium, Capula Investment Management and Farallon Capital were among nine named filers that collectively reduced their spot bitcoin ETF exposure by approximately 68,000 BTC since September 30, 2025, according to Galaxy Research. In contrast, Mubadala and Morgan Stanley's wealth-management unit increased their holdings during the same period.