Cathie Wood’s ARK ETF buys AMD and sells Tempus stock

Cathie Wood’s ARK ETFs have disclosed their daily trades for Tuesday, September 16, 2025, showcasing a series of strategic moves in the tech and biotech sectors. The trades reveal a pattern of continued investment in certain stocks, while scaling back on others, reflecting ARK’s dynamic investment strategy.

The most significant purchase was in Bullish (BLSH), where ARK’s ARKK and ARKW ETFs combined to buy a total of 161,183 shares, amounting to a substantial investment of $8,233,227. This move underscores ARK’s bullish stance on the cryptocurrency exchange, following a pattern from previous trading sessions where ARK notably increased its holdings in the company.

Another notable transaction was the purchase of 61,5831 shares of Intellia Therapeutics Inc (NASDAQ:NTLA) through the ARKK ETF, with a total dollar value of $7,125,164. This acquisition reflects a continued focus on innovative gene-editing companies, with Intellia being a recurrent addition to ARK’s portfolio.

ARK also showed confidence in Advanced Micro Devices Inc (NASDAQ:AMD), acquiring 25,899 shares through ARKF ETF, valued at $4,173,882. This investment in a leading semiconductor company is consistent with ARK’s thematic focus on disruptive innovation.

In the biotech space, ARK added to its position in CRISPR Therapeutics AG (NASDAQ:CRSP) by purchasing 69,889 shares through the ARKK ETF, totaling $4,042,379. Additionally, ARK’s ARKG ETF bought 62,313 shares of Arcturus Therapeutics Holdings Inc (NASDAQ:ARCT) for $1,129,734, continuing a trend of buying from previous days.

Further investments include 25,865 shares of Airbnb Inc (NASDAQ:ABNB) acquired through ARKF ETF for $3,173,555, and 81,777 shares of Beam Therapeutics Inc (NASDAQ:BEAM) through ARKK ETF, valued at $1,740,214. These trades demonstrate ARK’s interest in both the travel industry and cutting-edge gene therapy.

On the sell side, ARK showed a significant move away from Tempus AI Inc (PRE-REINCORPORATION) (TEM), divesting a total of 167,598 shares across ARKK and ARKG ETFs, with a combined value of $14,267,617. This follows a pattern of selling observed in the previous week, suggesting a strategic shift away from the company.

Additionally, ARK sold 9,151 shares of Roku Inc (NASDAQ:ROKU) from its ARKK ETF, totaling $859,461. This sale represents a smaller adjustment in ARK’s portfolio compared to the other transactions reported.

Investors and market watchers will likely be analyzing these trades to glean insights into ARK’s investment strategy, particularly noting the emphasis on innovative and disruptive companies in the tech and biotech sectors. As Cathie Wood’s ETFs continue to adjust their holdings, these daily trade reports provide a transparent look into the decision-making process of one of the market’s most-watched investment firms.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.