Ark Invest, led by Cathie Wood, has made a significant shift in its crypto-focused investment strategy by reducing its holdings in Coinbase, Robinhood, and Block in favor of BitMine Immersion, an Ethereum-focused treasury firm.
On July 21, Ark disclosed its decision to add 4.4 million BitMine Immersion (BMNR) shares to three of its actively managed exchange-traded funds (ETFs). This move reflects a strategic pivot as institutional interest in Ethereum treasury strategies continues to grow.
The breakdown of the purchase shows that Ark Innovation ETF (ARKK) acquired 2,937,432 BMNR shares, Ark Next Generation Internet ETF (ARKW) took 927,898 shares, and Ark Fintech Innovation ETF (ARKF) added 555,704 shares. While the exact acquisition value was not disclosed, BMNR closed at $39.57 on July 21, suggesting that Ark’s total investment could be around $175 million.
BitMine Immersion has established itself as a key player in Ethereum treasuries. According to data from Strategic ETH Reserve, the firm is the largest Ethereum holder, with a holding of over 300,000 ETH. This surpasses other major holders like SharpLink and the Ethereum Foundation.
In addition to acquiring BitMine Immersion shares, Ark Invest has trimmed its positions in Coinbase, Robinhood, and Block. The firm sold 218,986 shares of Coinbase for approximately $90.6 million, 109,824 shares of Robinhood for $11.46 million, and 90,061 shares of Block for about $7 million across its ARKK, ARKW, and ARKF ETFs.
This portfolio adjustment aligns with Ark’s strategy of capitalizing on profits from high-performing assets and reallocating capital towards emerging opportunities. Coinbase’s stock saw a rally in recent weeks, reaching a market cap of over $100 billion, driven by positive regulatory developments such as the CLARITY Act and the GENIUS Act.
Similarly, Robinhood experienced a surge in its shares, rising by over 16% in the past week due to optimism surrounding its tokenized equities and new crypto offerings in Europe. Block, led by Jack Dorsey, gained investor attention after being included in the S&P 500 index, becoming the second crypto-focused company after Coinbase to achieve this distinction.
Ark Invest’s strategic moves in the crypto space demonstrate its commitment to staying ahead of the curve and capitalizing on emerging trends in the digital asset market.

