Cathie Wood’s ARK buys Prime Medicine, sells CRISPR stock

Cathie Wood’s ARK ETFs have made a series of strategic trades on Thursday, 31 July 2025, with a notable emphasis on the biotech and technology sectors. These trades reflect the fund’s ongoing commitment to disruptive innovation and provide insight into the fund’s market strategy.

The most significant transaction of the day involved the purchase of 2,356,661 shares of Prime Medicine Inc (NASDAQ:PRME), amounting to a substantial investment of $9,238,111. This move signals ARK’s strong belief in the potential of Prime Medicine, a company specializing in gene editing technology.

In contrast, ARK divested a considerable portion of its holdings in CRISPR Therapeutics AG (NASDAQ:CRSP), selling 78,368 shares for a total of $4,520,266. This sale marks a shift in ARK’s investment stance on CRISPR, a pioneer in the gene-editing space.

Another significant buy for ARK was PagerDuty Inc (NYSE:PD), with a combined purchase of 324,784 shares across its ARKK and ARKW ETFs, valued at $5,297,227. This acquisition suggests ARK’s growing confidence in PagerDuty’s cloud computing services, which facilitate real-time operations.

Advanced Micro Devices Inc (NASDAQ:AMD) also saw continued interest from ARK, with the fund purchasing 4,503 shares worth $808,333. This follows a pattern of consistent buying in the semiconductor company over recent days, indicating ARK’s bullish outlook on AMD’s market position and growth prospects.

Additionally, ARK increased its stake in NVIDIA Corp (NASDAQ:NVDA) by acquiring 4,483 shares, totaling $803,667, and in Figma Inc (NASDAQ:FIG) by buying 60,000 shares for $1,980,000. Both companies are key players in the design and graphics processing sectors, respectively.

On the sell side, ARK reduced its exposure to Adaptive Biotechnologies Corp (NASDAQ:ADPT), offloading 201,786 shares for $2,106,645. The fund also sold shares in other companies, including AeroVironment Inc (NASDAQ:AVAV), Kratos Defense and Security Solutions Inc (NASDAQ:KTOS), and Rocket Lab USA Inc (NASDAQ:RKLB), with total dollar values of $403,842, $580,100, and $398,501, respectively.

These trades reflect ARK’s active management approach and its focus on investing in companies that align with its vision of disruptive innovation. Investors and market watchers will be keen to monitor how these trades impact the performance of ARK’s ETFs in the dynamic market landscape.

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