Capital Group’s $1B Bitcoin Treasury Bet Grows to $6B Amid Soaring Strategy Stock

Capital Group, the 94-year-old investment giant known for its conservative approach, has turned a $1 billion position in Bitcoin-focused stocks into more than $6 billion—thanks largely to its early stake in Michael Saylor’s Strategy.

• The firm’s largest position is a 7.89% stake in Strategy (formerly MicroStrategy), now worth about $6.2 billion.
• Portfolio manager Mark Casey spearheaded the move, calling Bitcoin “one of the coolest things ever created.”
• Capital Group also owns stakes in Metaplanet and mining company Mara Holdings.
• Corporate Bitcoin treasuries collectively hold over 1 million BTC worth more than $117 billion.

Capital Group has quietly become one of the biggest institutional backers of Bitcoin through a long-term strategy of investing in companies that treat the cryptocurrency as a treasury asset. Over the past four years, the Los Angeles–based mutual fund powerhouse transformed a $1 billion bet on Bitcoin treasuries into a $6 billion windfall. At the center of this move is portfolio manager Mark Casey, a 25-year Capital Group veteran who cites Benjamin Graham and Warren Buffett as influences but sees Bitcoin as a revolutionary asset. In a podcast with Andreessen Horowitz, Casey described Bitcoin as “one of the coolest things that has ever been created,” underscoring his enthusiasm for the digital commodity.

Capital Group’s crown jewel is its stake in Strategy—formerly known as MicroStrategy—the business-intelligence firm turned de facto Bitcoin investment vehicle under founder Michael Saylor. Capital Group initially acquired a 12.3% stake in Strategy in 2021 for more than $500 million. Although that stake has since been diluted to 7.89% through share issuance and modest trimming, it is now valued at roughly $6.2 billion after Strategy’s stock soared over 2,200% in five years. Casey explained that his team evaluates Bitcoin-focused companies much like they would firms in gold or oil, treating Bitcoin itself as a commodity with long-term scarcity-driven value.

Beyond Strategy, Capital Group holds a 5% stake in Metaplanet, a Japanese hotel operator that pivoted to Bitcoin treasury management, as well as shares in mining company Mara Holdings. This diversified approach has allowed Capital Group to capture upside across multiple corners of the Bitcoin ecosystem without directly holding the cryptocurrency on its own balance sheet.

The firm’s success mirrors a broader trend of corporate adoption of Bitcoin as a reserve asset. Data from BitcoinTreasuries.NET shows that corporate treasuries now control more than 1 million BTC, worth over $117 billion. Strategy remains the undisputed leader with 636,505 BTC, followed by other heavyweights like MARA Holdings with more than 52,000 BTC. Meanwhile, newcomers such as XXI and Bitcoin Standard Treasury are aggressively accumulating, while companies like Metaplanet, Bullish, and Coinbase round out the top ten corporate holders. Ambitious plans are already in motion: Metaplanet aims to acquire 210,000 BTC and Semler Scientific targets 105,000 BTC by 2027, highlighting the race to build massive Bitcoin treasuries.

Final Thought

Capital Group’s $6 billion Bitcoin-linked portfolio underscores how traditional investment giants can quietly leverage public companies to gain massive crypto exposure. As corporate treasuries continue to stack BTC, institutional strategies like Capital Group’s may increasingly shape Bitcoin’s long-term market dynamics.