Coinbase has reported a dramatic rise in the value of Bitcoin held on its platform, reaching $331.9 billion as of September 30, 2025. This figure represents custody of roughly 2.8 million BTC, giving the exchange control over about 14% of Bitcoin’s circulating supply. The new numbers reflect a significant leap from the $143.2 billion reported the previous year, underscoring the rapid growth of user activity on the platform.
The company clarified that its Assets on Platform metric includes both customer-held crypto assets and USDC balances. This surge signals strong momentum from both institutional and retail investors as the market heads into a period of anticipated regulatory updates and new product developments.
Massive Growth Highlights Expanding User Engagement
The steep year-over-year increase demonstrates how quickly participation in the digital asset space is accelerating. As institutions continue to adopt Bitcoin for long-term investment strategies and retail traders return during periods of heightened market confidence, Coinbase’s asset base has grown to historic levels.
What Rising Bitcoin Custody Means for the Market
Coinbase’s custody of 14% of circulating Bitcoin highlights its expanding influence in the global crypto ecosystem. Higher platform engagement can contribute to increased liquidity and market stability, particularly at a time when investors are watching for regulatory clarity and upcoming product innovations that could reshape the crypto landscape.
Overall, the latest figures paint a picture of a maturing market with deepening trust in major exchanges—and growing interest in Bitcoin as a long-term store of value.
