Cathie Wood’s ARK sells Palantir stock, buys Rocket Lab and Block

Cathie Wood's ARK ETF disclosed on Monday, August 31st, 2026, a series of significant stock transactions across its ARKK, ARKW, and ARKF ETFs. Notably, ARK divested 139,456 shares of Palantir Technologies Inc. (NYSE:PLTR), earning $25,979,258, underscoring its ongoing reduction in the firm's holdings. Conversely, ARK made a substantial purchase of 456,059 shares of Block, Inc. (NYSE:XYZ), investing $38,112,850, a clear indication of confidence in the company's potential.

Another strategic acquisition was made in Rocket Lab Corp (NASDAQ:RKLB), wherein ARK bought 200,303 shares for $12,897,510, reinforcing the ETF's commitment to innovative aerospace companies. Additionally, ARK expanded its stake in Guardant Health, Inc. (NASDAQ:GH) by purchasing 56,987 shares, adding $9,203,400 to the investment.

In the biotech sector, ARK further enhanced its position with 40,875 shares of Intellia Therapeutics, Inc. (NASDAQ:NTLA), valued at $526,061. On the selling front, ARK offloaded 169,672 shares of Tempus AI, Inc. (NYSE:TEM), realizing $10,865,794. The ETF also disposed of 80,181 shares of Shopify Inc. (NYSE:SHOP) and 8,623 shares of Advanced Micro Devices, Inc. (NASDAQ:AMD), demonstrating a deliberate shift in its portfolio.

Other notable sales included 58,873 shares of Roblox Corporation (NYSE:RBLX) and 30,610 shares of Twist Bioscience Corporation (NASDAQ:TWST). These transactions highlight ARK's dynamic approach to managing its ETFs, focusing on high-growth sectors while strategically reducing exposure in others. Investors will be keenly observing these moves to assess their alignment with ARK's overarching investment strategy.