Cathie Wood's ARK buys BMNR and VCYT, sells JOBY and XYZ stock

ARK Invest's daily trades on July 29, 2025, indicate a continued focus on tech and innovation, with significant purchases including 477,498 shares of Bitmine Immersion Technologies (BMNR) valued at approximately $16.76 million, and notable additions to Zillow Group (ZG) and Veracyte Inc (VCYT). Concurrently, the firm reduced its holdings in Joby Aviation (JOBY), signaling a strategic shift, and continued to liquidate portions of Block Inc (XYZ), reflecting active capital reallocation within its portfolio.

Analysis

ARK Invest's trading activity on July 29, 2025, demonstrates a clear strategic reallocation of capital within the innovation sector, rather than a broad market directional bet. The firm showed high conviction in specific technology names through significant acquisitions, most notably a $16.76 million purchase of 477,498 shares in Bitmine Immersion Technologies (BMNR/IMMR). This is complemented by a $5.84 million addition to Zillow Group (ZG/Z) and a $2.18 million buy in Veracyte (VCYT), reinforcing ARK's thesis on disruptive technologies in real estate and healthcare. Conversely, the fund is actively reducing exposure elsewhere. The divestment of 36,275 shares in Joby Aviation (JOBY) and 18,843 shares in Block Inc. (XYZ) are not isolated events but part of a multi-day trend of liquidation in these names, suggesting a fundamental shift in ARK's outlook or a strategic decision to fund its higher-conviction purchases. Smaller transactions, including buys in Intuitive Machines (LUNR) and sells of Rocket Lab (RKLB), further illustrate this dynamic portfolio optimization, prioritizing perceived growth opportunities.

Key Decisions for Investors

• Investors should note the high-conviction buying in Bitmine Immersion (BMNR/IMMR), as the scale and consistency of ARK's purchases signal a strong bullish thesis that may warrant further due diligence.
• The continued, systematic selling of Joby Aviation (JOBY) and Block Inc. (XYZ) should be treated as a significant red flag, suggesting a potential deterioration in ARK's long-term view and prompting a re-evaluation of positions in these stocks.
• View ARK's activity as a clear signal of capital rotation; consider mirroring the strategy by evaluating long positions in their core buys like BMNR and ZG while assessing the risk profile of their consistent sells.
• The smaller, speculative purchases in names like Intuitive Machines (LUNR) and ATAI Life Sciences (ATAI) represent emerging themes for ARK and should be monitored for any subsequent increases in position size, which would indicate growing conviction.