JPMorgan Chase raised its Strategy (MSTR) stake 36% in the third quarter, a Form 13F filed Thursday shows, lifting the position to 848,932 shares worth $131.3 million at Sept. 30, weeks before an MSCI index exit.

That is up 224,545 shares from the 624,387 JPMorgan reported at June 30, when the same holding was valued at $57.87 million. Part of the dollar jump is the stock. Strategy’s implied price on the two filings rose from $92.68 at June 30 to $154.67 at Sept. 30, so the disclosed stake more than doubled in value even though the share count rose 36%.

The same filing shows a much larger bitcoin ETF line. JPMorgan held 11,408,930 shares of BlackRock’s iShares Bitcoin Trust…

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