ソース:[1] MARA adds 373 BTC to bitcoin stack in September as total holdings exceed $6 billion | The Block (https://www.theblock.co/post/373342/mara-adds ...)[2] MARA Announces Bitcoin Production and Mining Operation Updates for September 2025 (https://vertexaisearch.cloud.google.com/groun ...)[3] Bitcoin ETFs net inflows surge past $2 billion this week as 'Uptober' momentum builds - The Block (https://vertexaisearch.cloud.google.com/groun ...)