Institutional adoption of Bitcoin is accelerating, with spot Bitcoin ETFs amassing 1.5 million BTC, representing 7% of the cryptocurrency's maximum supply, in less than two years. This trend is underscored by the fact that over 190 public companies now hold Bitcoin, including Strategy Inc., which possesses 660,624 BTC. ETF analyst Nate Geraci highlighted on X that the increasing institutional interest and regulatory advancements could propel crypto into the mainstream by 2026. The number of BTC treasury companies has expanded significantly from 44 to 190 between January and November 2025. However, the American Federation of Teachers has expressed concerns about the risks of including crypto in pension funds, indicating ongoing debates surrounding Bitcoin ETF approvals.