Metaplanet, a Japanese investment firm, has become Asia's second-largest Bitcoin holder by crossing the 1,000 BTC mark.Metaplanet announced the purchase of an additional 156.78 Bitcoin, bringing its total holdings to 1,018.17 BTC, worth approximately $68 million.Metaplanet ranks 19th globally among corporate Bitcoin holders, with Boyaa Interactive International and Meitu holding the top two positions in Asia.Metaplanet's adoption of 'BTC Yield' as a key performance indicator shows its commitment to measuring returns on Bitcoin investments.