Japanese-listed Metaplanet has strengthened its Bitcoin reserves in Q4, purchasing 4,279 BTC at approximately $451 million. The company now holds 35,102 BTC in total, positioning itself strategically within the institutional custody landscape. This accumulation represents a significant milestone as Metaplanet tracks toward its ambitious 2027 target of 210,000 BTC holdings. The aggressive acquisition strategy reflects institutional confidence in Bitcoin's long-term value proposition, while the scale of this position underscores how major entities are reshaping their balance sheets through digital asset allocation. Such large-scale purchases continue to influence market sentiment and custody dynamics within the broader cryptocurrency ecosystem.