BitMine Immersion Technologies (NYSE:BMNR) rose 1.5% after BlackRock (NYSE:BLK) disclosed a 165.6% stake increase, adding to the $4.2 million BMNR shares purchase by Cathie Wood’s Ark Invest.



<h3>The Institutional Buying</h3>



BlackRock’s 13F-HR filing showed ownership jumped from 3.4 million shares to 9 million shares as of December 31, 2025, valued at $245.7 million. 



The asset manager increased its stake despite BitMine’s massive unrealized losses from Ethereum’s crash.



Additionally, Cathie Wood’s Ark Invest bought 212,314 shares across three ETFs on Thursday, expanding crypto exposure as BMNR trades 36.7% lower over the past month. 



<h3>The ETH Holdings</h3>



BitMine added 40,613 ETH in the past week. 



As of February 8, BitMine holds 4,325,738 ETH at $2,125 per ETH, representing 3.58% of total ETH supply. 



The company also holds 193 Bitcoin (CRYPTO: BTC), a $200 million stake in Beast Industries, $19 million in Eightco Holdings (NASDAQ:ORB), and $595 million cash.



Chairman Tom Lee blamed non-fundamental factors for ETH weakness.



Leverage hasn’t returned after October’s $19 billion market wipeout, and the surge in precious metals acted as a “vortex” sucking risk appetite from crypto.



<h3>BMNR Technical Setup</h3>



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BMNR closed Thursday up 1.4% and is trading 1.5% higher in premarket at $20.05, consolidating near critical support.



The stock hovers just above the lower Bollinger Band at $16.15, suggesting oversold conditions.



For bulls, BMNR needs to hold above $18-$19 and break decisively above $20. Immediate resistance appears at the middle Bollinger Band around $25, followed by the Supertrend at $25.59.



Image: Shutterstock

COIN

EETH

BMNR

BlackRock has increased its stake in BitMine Immersion Technologies (NYSE:BMNR) by 165.6%, now holding 9 million shares valued at $245.7 million. This comes as Cathie Wood's Ark Invest added $4.2 million in BMNR shares. Despite significant unrealized losses from Ethereum, BMNR's stock rose 1.5% and is trading at $20.05. The company holds substantial crypto assets, including 4.3 million ETH and 193 BTC, while facing challenges in the crypto market due to external factors affecting risk appetite.

- BitMine Immersion Technologies (NYSE:BMNR) shares increased 1.5% after BlackRock revealed a significant stake increase from 3.4 million to 9 million shares, valued at $245.7 million.  
- Despite unrealized losses from Ethereum’s decline, BlackRock and Ark Invest continue to expand their holdings in BitMine, which now possesses 4,325,738 ETH.  
- BMNR is trading near critical support levels, indicating potential oversold conditions, and must maintain above $18-$19 to facilitate a break above $20.

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BlackRock Increases BMNR Holdings By 165% As Cathie Wood's Ark Invest Adds $4.2M