According to HODL15Capital statistics, among the listed Bitcoin mining companies, Marathon Digital holds 20,818 BTC, ranking first. Riot Platforms is second, holding 9,334 BTC; Hut 8 holds 9,109 BTC, ranking third. The holdings of other mining companies are as follows: Cleanspark holds 7,082 BTC; Hive Digital holds 2,496 BTC; Cifer Mining holds 2,270 BTC; Canaan holds 1,057 BTC; Bit Digital holds 1,038 BTC; Bitfarms holds 1,016 BTC.