Bitcoin miners sell 5,359 BTC as winter power costs bite and their $7.4 billion treasury starts shrinking fast

Public Bitcoin miners collectively held 115,335 BTC as of Feb. 20, worth roughly $7.4 billion at the recent price, but that treasury dropped 4.44% month-over-month, the first sustained contraction since miners began stockpiling coins as balance-sheet assets. The decline wasn’t an accident. Riot Platforms sold 1,818 BTC in December 2025 for $161.6 million in net proceeds. Bitdeer liquidated its entire treasury, sellin…