According to the latest data from HODL 15 Capital, the top 70 Bitcoin holding institutions in the world hold a total of 623,897 Bitcoins. Eight institutions increased their Bitcoin reserves this week, with Semler Scientific increasing its holdings of 871 bitcoins to 3,192, Neptune Digital Assets increasing its holdings of 20 to 376, Clean Spark increasing its holdings to 10,556, and Genius Group increasing its holdings to 440 Bitcoin.