[Metaplanet's US Bitcoin Treasurer Subsidiary Super League Increases Holdings by 4 BTC, Bringing Total Holdings to 7] Odaily reports that Bitcoin Treasuries stated on the X platform that Super League (SLE), the US Bitcoin treasury subsidiary of Japan's Metaplanet, purchased 4 more BTC before the transaction was completed, increasing its total holdings to 7. This will enable Metaplanet to access capital markets on two continents.