Recently, Bitcoin miners Marathon Digital, Riot Platforms and CleanSpark recorded strong Bitcoin production growth in September, leading to a slight increase in stock prices on October 4. While the price of Bitcoin has been muted over the month, these companies have strengthened their balance sheets.

Among them, Bitcoin mining company Marathon Digital produced a total of 1,242 BTC in September, an increase of 16% from August and an increase of 245% from September 2022. Marathon said it has now produced 8,610 BTC in 2023. The company’s balance sheet shows it has 13,726 unrestricted BTC and $101 million in unrestricted cash and cash equivalents on its balance sheet, totaling $471.2 million.

In addition, Bitcoin miner Riot Platforms’ BTC production increased by 9% month-on-month, producing 362 BTC in September. Meanwhile, Bitcoin miner CleanSpark produced 643 BTC in the fiscal year from October 1, 2022 to September 30, 2023, and 6,903 in the fiscal year from October 1, 2022 to September 30, 2023 BTC, recording the company’s best performance to date.

However, Bit Digital, which released results on October 4, was one of the few companies to see a decline in Bitcoin production in September, down 7% to 130.2 BTC.