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Shares of Bitcoin mining company IREN soared 11.4% on Wednesday after the firm revealed it mined more Bitcoin than industry giant MARA Holdings in July. The strong performance surprised many investors and boosted IREN’s market value significantly.
IREN Mines More Bitcoin Than MARA
IREN reported that it mined 728 BTC in July, outpacing MARA’s 703 BTC during the same period. What makes this result impressive is that IREN achieved this with a smaller deployed hashrate — 50 exahashes per second (EH/s) compared to MARA’s 58.9 EH/s.
The company’s average hashrate for the month was 45.4 EH/s, which indicates that most of its mining machines stayed active and efficient. This level of consistency in performance helped IREN secure a strong lead in production, even while competing with larger rivals.
Revenue and Market Performance
Thanks to its mining output, IREN generated $86 million in revenue in July. Out of this, $2.3 million came from its growing artificial intelligence (AI) cloud business — a new revenue stream the company is developing alongside Bitcoin mining.
Following the reveal, IREN shares closed at $18.32, up 11.4% for the day. In contrast, most other Bitcoin mining stocks posted more modest gains of 1% to 5%. This strong rally also boosted IREN’s market capitalization to $4.11 billion, making it the second-largest publicly traded Bitcoin miner — just behind MARA and ahead of Riot Platforms and Core Scientific.
Navigating Mining Challenges
Bitcoin mining has become more challenging in recent months due to increased mining difficulty. This has made it more expensive to mine each Bitcoin, pressuring mining companies to either cut energy costs or upgrade to more efficient equipment.
IREN’s success in July shows that it’s adapting well. By keeping its machines running consistently and looking for new income streams like AI services, the company seems to be staying ahead of the curve.
On the other hand, MARA’s July performance slightly declined compared to June, although it had a strong second quarter overall. MARA posted $238 million in Q2 revenue — a 64% year-over-year increase — and currently holds the second-largest Bitcoin treasury at 50,000 BTC, just behind Michael Saylor’s company.
Expansion Into AI Cloud Computing
While Bitcoin mining remains IREN’s core business, the company is expanding into AI cloud services. In July, IREN generated $2.3 million from its AI business — a sign that its diversification plans are starting to pay off.
Co-founder and co-CEO Daniel Roberts highlighted growing demand for IREN’s new AI infrastructure powered by Nvidia Blackwell GPUs. The firm purchased 2,400 GPUs in early July and has already received an initial batch of 256 units.
Roberts emphasized that operating both Bitcoin mining rigs and GPUs side by side proves the company’s infrastructure is versatile. “It shows our ability to adjust quickly and take advantage of new market opportunities,” he said.
From Criticism to Comeback
IREN’s rise comes just a year after short-seller Culper Research labeled the company as “wildly overvalued.” The firm criticized IREN’s ambitions in AI, saying the company talked “a big game” without making enough investment to compete seriously in the high-performance computing space. They famously compared IREN to someone showing up at the Monaco Grand Prix in a Toyota Prius.
Since then, IREN stock went through a rough patch, dropping from $12.31 to $5.59 by April. However, the stock has rebounded by 227% in the last four months, reflecting investor confidence in its recent strategy and performance.
Final Thoughts
IREN’s strong July results have shifted investor sentiment. Outpacing MARA in Bitcoin mining, growing its AI division, and delivering solid revenue helped the company recover from past doubts and climb to the second-largest position among public Bitcoin miners.
As mining competition heats up and new tech opportunities emerge, IREN appears to be positioning itself as more than just a mining company. Its ability to adapt may be the key to staying competitive in both the Bitcoin and AI markets.
