TLDR
- MARA Holdings produced 736 BTC in September, up 4% from August, and won 218 blocks on the Bitcoin network
- MARA was a net seller of BTC during September but its overall holdings increased from 50,639 BTC to 52,850 BTC by month’s end
- MARA remains the second-largest publicly traded corporate bitcoin treasury behind Strategy’s 640,031 BTC
- CleanSpark produced 629 bitcoin in September and sold 445 BTC for about $49 million at an average price of $109,568
- CleanSpark’s bitcoin holdings grew to more than 13,000 self-mined BTC, with operational hashrate averaging 45.6 EH/s
MARA Holdings and CleanSpark released their September bitcoin production figures on Friday. Both companies showed growth in their bitcoin holdings despite different selling strategies during the month.
MARA Holdings produced 736 BTC in September. This represents a 4% increase compared to August’s production numbers. The company won 218 blocks on the Bitcoin network during the month.
The company said it was a net seller of BTC in September. MARA cited digital asset management activities as the reason for the sales. Despite being a net seller, the company’s bitcoin holdings increased from 50,639 BTC on August 31 to 52,850 BTC by September 30.
MARA positions itself as both a bitcoin miner and a treasury operation. The company holds the second-largest publicly traded corporate bitcoin treasury. Strategy holds the largest position with 640,031 BTC.
MARA shares were down slightly in Friday U.S. trading. The company continues to expand its bitcoin holdings while managing its digital assets through sales.
CleanSpark Production and Sales
CleanSpark reported 629 bitcoin produced in September. The Las Vegas-based mining company averaged nearly 21 coins per day. The company sold 445 BTC during the month for approximately $49 million.
The average sale price for CleanSpark’s bitcoin was $109,568. The sales brought in cash to fund operations and support the company’s growth plans. CleanSpark’s operational hashrate averaged 45.6 exahashes per second during September.
The company’s mining fleet achieved an efficiency rating of 16.07 joules per terahash. CleanSpark’s bitcoin holdings grew to more than 13,000 self-mined BTC by the end of September. The company uses bitcoin as a core treasury asset in its business strategy.
Company Expansions and Financial Moves
CleanSpark completed several transactions over the past year. The company purchased GRIID Infrastructure to expand its mining capacity. CleanSpark now has 1.03 gigawatts of power under contract with 808 megawatts currently in use.
The company raised $650 million through convertible notes. CleanSpark also secured $400 million in bitcoin-backed credit facilities. An additional $200 million in credit capacity was announced in September.
CleanSpark CEO Matt Schultz called September a monumental month for the company. The company made new leadership appointments during the period. CleanSpark is positioning itself as one of the largest self-operated miners in the industry.
CleanSpark launched a derivatives program to manage price volatility. The program helps fund operations while protecting against market swings. The company finished its fiscal year with record production numbers and a strengthened balance sheet.
CleanSpark shares traded 5.7% higher in early Friday trading at around $16.00. The company enters fiscal 2026 with expanded capacity and growing bitcoin reserves.
