Institutional investors significantly increased their Bitcoin holdings in April 2026, purchasing a total of 64,722 BTC. This marks one of the largest monthly acquisitions since mid-2025. Strategy, led by Michael Saylor, was the largest buyer, acquiring 56,235 BTC. The purchases were primarily funded through an ATM financing model using STRC and MSTR shares, with STRC securing $3.3 billion in financing, accounting for 80% of Strategy's total $4.1 billion ATM financing during this period. The surge in institutional buying in April nearly matched the total net purchases of the previous two quarters, indicating a robust start to Q2 2026. Additionally, spot Bitcoin ETFs now hold approximately 1.5 million BTC, surpassing the reserves of publicly traded companies by about 300,000 BTC. As of May 5th, Strategy's Bitcoin holdings stood at 818,334 BTC, closely followed by IBIT, managed by BlackRock, with 818,147 BTC. Institutional altcoin reserves also grew, totaling approximately $22 billion, with $16.2 billion in Ethereum.