Key Takeaways:
- ARK Invest sold $90.5M in Coinbase and $57.7M in Roblox shares, reallocating $174M into Ethereum-focused Bitmine Immersion Technologies.
- This marks ARK’s first investment in Bitmine since its pivot to Ethereum, with each ETF now holding a 1.5% stake.
- The reshuffle also saw reduced holdings in Robinhood and Block, with increased exposure to AMD, DoorDash, and Airbnb.
Cathie Wood’s ARK Invest has restructured its ETF portfolios, selling major positions in Coinbase and Roblox to invest in Bitmine Immersion Technologies, an Ethereum-focused firm chaired by Fundstrat co-founder Tom Lee.
On July 21, the ARK Innovation (ARKK), Next Generation Internet (ARKW), and Fintech Innovation (ARKF) ETFs sold a combined $148 million worth of Coinbase and Roblox shares.
Here's every move Cathie Wood and Ark Invest made in the stock market today 7/21 pic.twitter.com/BNaMzGslio
— Ark Invest Daily (@ArkkDaily) July 22, 2025
They redirected $174 million into 4.4 million shares of Bitmine, marking ARK’s first investment in the company since its pivot from Bitcoin to Ethereum.
Bitmine’s stock surged over 400% year-to-date, hitting a peak of $135 in early July before settling around $39.57.
Billionaire Peter Thiel also recently disclosed a 9.1% stake in the firm.
In addition to the Bitmine move, ARK trimmed positions in Robinhood and Block Inc. while increasing exposure to AMD, DoorDash, and Airbnb.
ARKK, with $6.8 billion in AUM, remains heavily weighted in Tesla (9.7%) and still holds sizable stakes in Coinbase and Roblox.
ARKW, with $2 billion in AUM, counts Meta, Amazon, and Shopify among its holdings and recently sold 225,742 shares of its ARK 21Shares Bitcoin ETF (ARKB).
Meanwhile, ARKF, the fintech-oriented fund with $1.2 billion AUM, maintains top holdings in Shopify, Robinhood, and Coinbase, and is the only ARK ETF with direct Ethereum exposure via a 1.15% allocation to the 3IQ Ether Staking ETF.
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