Institutional money is making a decisive move into Bitcoin treasuries as U.S. investment powerhouse Capital Group takes the top stake in Japan’s Metaplanet.
In a disclosure filed on September 25, Tokyo-based Metaplanet announced that Capital Group had increased its ownership to 11.45%, making it the company’s largest shareholder. The stake, valued at nearly $500 million, was acquired through the firm’s subsidiary Capital Research and Management Company.
Capital Group has become Metaplanet’s #1 shareholder, now holding 11.45% — a stake worth nearly $0.5B.
— Simon Gerovich (@gerovich) September 25, 2025
メタプラネットの最大株主にキャピタル・グループが登場。11.45％を保有、その規模は約5億ドル。 https://t.co/opotXbvMIm pic.twitter.com/0rvbvjExmu
The move boosts Capital Group’s voting rights from 8.31% to 11.45%, overtaking National Financial Services LLC as Metaplanet’s top shareholder.
Metaplanet’s Expanding Bitcoin Treasury
Metaplanet has drawn global attention for its aggressive Bitcoin strategy. The company recently purchased 5,419 BTC worth $633 million, bringing its total holdings to roughly 25,500 BTC. That makes Metaplanet one of the five largest public corporate holders of Bitcoin worldwide.
The company’s strategy has positioned it as Asia’s closest equivalent to MicroStrategy, which pioneered the corporate Bitcoin treasury model in the U.S.
Capital Group’s Bitcoin Exposure
The Los Angeles–based Capital Group, with 94 years of history and $2.3 trillion in assets under management, is widely known for its conservative investment style. Yet in recent years it has been expanding exposure to Bitcoin through strategic equity positions.
In 2021, Capital Group bought a 12.3% stake in MicroStrategy for more than $500 million, later trimmed to 7.89%, a position now worth about $6.2 billion following MicroStrategy’s share price surge.
Unlike some rivals, Capital Group does not hold Bitcoin directly on its balance sheet, nor does it manage a Bitcoin exchange-traded fund. Instead, it is backing companies with large BTC treasuries as a way to gain exposure to the asset class while limiting operational risk.
Market Context
The announcement comes amid volatility in crypto markets. Bitcoin was trading near $111,000 at press time, down 4.5% on the week, as broader digital assets struggled to hold momentum. Despite the pullback, institutional interest continues to deepen, reinforcing Bitcoin’s role as a maturing asset class for corporate treasuries.
