ProCap BTC Files for Nasdaq Merger, Reports $60M in Bitcoin Gains

Key Takeaways:ProCap BTC has filed an S-4 registration statement with the U.S. SEC for a merger with Nasdaq-listed Columbus Circle Capital Corp I (BRR).The Bitcoin treasury firm holds 4,950 BTC, with over $60 million in unrealized gains from purchases made in 2025.The merger would position ProCap BTC among the growing wave of publicly listed Bitcoin treasury companies.ProCap BTC, a Bitcoin-focused treasury firm, has filed an S-4 registration statement with the U.S. Securities and Exchange Commission (SEC), signaling its intent to merge with Columbus Circle Capital Corp I (Nasdaq: BRR), according to ChainCatcher.The filing reveals that ProCap BTC accumulated 4,950 BTC in 2025, generating more than $60 million in unrealized gains as Bitcoin prices surged. The move underlines the firm’s strategy of holding Bitcoin as a primary treasury asset, aligning with a growing list of public companies pursuing similar strategies.If successful, the merger would add ProCap BTC to the expanding roster of Bitcoin treasury companies listed on U.S. exchanges, a trend accelerated by strong institutional adoption and increasing recognition of Bitcoin as a reserve asset.