[JPMorgan Chase Increased IBIT Holdings to 5.28 Million Shares in Q3, Up 64% Quarter-on-Quarter] JPMorgan Chase disclosed in its latest 13F filing that as of September 30, it held 5,284,190 shares of IBIT, with a market value of approximately $343 million, representing a 64% increase compared to the 3,217,056 shares disclosed at the end of June. Additionally, JPMorgan Chase holds $68 million worth of IBIT call options and $133 million worth of IBIT put options.