Top Institutional Bitcoin Holders

Institutional adoption of Bitcoin is growing, with major public companies, asset managers, and ETF issuers accumulating significant amounts of the cryptocurrency.

The top 3

1. Leading Public Companies Holding Bitcoin: MicroStrategy is the leading public company by Bitcoin holdings, with over 815,000 BTC as of May 2026, followed by other companies like Marathon Digital and Tesla.
2. Top Spot Bitcoin ETF Issuers by AUM: The iShares Bitcoin Trust ETF (IBIT) by BlackRock is one of the largest spot Bitcoin ETFs, holding $74.9 billion in assets, with other major players including Fidelity and Grayscale.
3. Major Crypto Asset Management Firms: Grayscale Investments is the largest crypto-focused asset manager, followed by other significant firms like Bitwise Asset Management and Pantera, offering various crypto investment products.

Sources

• Top 10 Public Companies with the Largest Bitcoin Investment Portfolios - AiCoin
• Who are the largest Bitcoin holders today? - Kraken
• Spot Bitcoin Insights - Digital Asset Funds | etf.com
• Spot Bitcoin ETF Daily AUM Chart - Newhedge
• Public Companies Holding the Most Bitcoin in 2026 (Ranked) - Ryder wallet
• Best 10 Crypto Asset Management Companies to Work with in 2026 - theKOLLAB

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