Cipher Mining produces 251 bitcoin in September, holds 1,500 BTC

NEW YORK - Cipher Mining Inc. (NASDAQ:CIFR) mined approximately 251 bitcoin in September 2025, according to the company’s unaudited production update released Tuesday. The company, currently trading near its 52-week high of $16.12, has seen its market capitalization grow to $6.1 billion amid strong operational performance. According to InvestingPro analysis, the stock appears overvalued at current levels.

The cryptocurrency mining firm reported selling 158 BTC during the month as part of its treasury management strategy, ending September with a bitcoin balance of approximately 1,500. The company maintains a healthy liquidity position with a current ratio of 4.18, indicating strong short-term financial stability.

Cipher Mining has completed the deployment of its Black Pearl Phase I facility, reaching its targeted self-mining hashrate of 23.6 EH/s with 114,000 mining rigs now operational. The latest-generation miners at Black Pearl Phase I are delivering approximately 10.1 EH/s of the company’s total hashrate. InvestingPro data reveals analysts expect significant revenue growth this year, with 16 additional key insights available to subscribers through the platform’s comprehensive analysis tools.

The company’s fleet efficiency stands at 16.8 J/TH as of month-end. September’s bitcoin production figures include an estimated equivalent of 7 BTC from power sales and approximately 19 BTC mined at joint venture data centers representing Cipher’s ownership.

Cipher Mining also reported that construction is currently underway at its Barber Lake facility. With all previously outlined mining plans now fully executed, the company stated it is focusing on the high-performance computing (HPC) side of its business.

The bitcoin price at month-end was $114,212, according to the company’s statement based on a press release. The stock has demonstrated remarkable momentum, delivering a 588% return over the past six months, though investors should note its relatively high valuation multiples. For detailed valuation metrics and expert analysis, access the full Pro Research Report available on InvestingPro.

Cipher Mining operates industrial-scale data centers for bitcoin mining and HPC hosting, with facilities including the recently completed Black Pearl Phase I.

In other recent news, Cipher Mining has announced a significant transition in its leadership team, with Chief Financial Officer Ed Farrell set to retire on October 14, 2025. Greg Mumford, who comes from Keefe, Bruyette & Woods, will step into the role of CFO following Farrell’s departure. Additionally, Cipher Mining has issued $1.3 billion in convertible notes due in 2031, with an option for initial purchasers to buy an additional $200 million, which has been fully exercised. This move is part of the company’s strategic financial planning as outlined in a recent SEC filing.

Furthermore, Cipher Mining has been the subject of several analyst upgrades. Canaccord Genuity increased its price target for the company to $16, citing the value of the Barber Lake project. Needham also raised its price target to $15, highlighting the attractiveness of the Fluidstack lease backed by Google. Meanwhile, H.C. Wainwright significantly raised its price target to $17, reflecting a new valuation methodology that considers the company’s broader business prospects beyond Bitcoin mining. These developments indicate a positive outlook from analysts regarding Cipher Mining’s strategic initiatives and growth potential.

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