Tracking Cathie Wood: Aggressively buying CoreWeave, Kratos Defense & Security Solutions; selling Roku, Rocket Lab

Last Friday, the US stock market saw another sell-off on the last trading day of February, with technology and financial sectors leading the declines. In addition to ongoing concerns about massive AI capital expenditures, turmoil in the private credit market also triggered a collective downturn in the financial sector. As hostilities between the US, Israel, and Iran reignited over the weekend, missiles and drones flying across the Middle East are making global investors nervous.

Based on Ark's operations last Friday, ARK rapidly iterated and aggressively sold off its underperforming social media and streaming assets, concentrating its resources into AI computing power cloud infrastructure and AI-driven generative biopharmaceuticals.

Buying Focus: Concentrating on foundational AI infrastructure and cutting-edge biotechnology

ARK made a substantial purchase of $CoreWeave (CRWV.US)$ 199,000 shares in one day. This was the most strategically significant addition that day. Within the investment landscape of AI infrastructure, CoreWeave, as a cloud service provider specializing in GPU acceleration, is playing the role of the 'new power grid of the AI era.' As large model training and inference place increasingly high demands on underlying computing power scheduling, directly betting on pure-play AI cloud infrastructure with deep NVIDIA integration is the most direct and efficient way to capture this wave of AI infrastructure dividends.

At the same time, ARK heavily purchased the generative biopharmaceutical company $Generate Biomedicines (GENB.US)$ with a whopping 459,500 shares, while significantly increasing its stake in the gene-editing leader NTLA by 111,800 shares. ARK is tapping into the explosive potential of large AI models in vertical fields. GENB’s core focus is applying generative AI to protein design and drug discovery, which essentially uses 'computing power' to disrupt the traditional 'laboratory trial-and-error' model. Combined with their collective increase in holdings, ARK is building an end-to-end next-generation healthcare industry chain matrix from AI target discovery to gene editing and precision diagnostics. $Intellia Therapeutics (NTLA.US)$ 、 $Natera (NTRA.US)$and$CareDx (CDNA.US)$ Additionally, ARK increased its position in

by 252,200 shares. Kratos Defense & Security Solutions has deep expertise in drone systems, space communications, and defense technology. In the current global geopolitical environment, the trend towards intelligent and unmanned defense equipment is highly certain. This purchase reflects a strategic allocation in the high-end military hardware sector. $Kratos Defense & Security Solutions (KTOS.US)$ Kratos Defense & Security Solutions

Selling Focus: Liquidating streaming assets

Cathie Wood aggressively liquidated positions in social networking, streaming media, and traditional SaaS, with a massive sell-off of the community social platform $Nextdoor Holdings (NXDR.US)$ up to 533,200 shares, reduced holdings in streaming media $Roku Inc (ROKU.US)$ by 46,400 shares, and continued to drastically cut IT operations SaaS companies $PagerDuty (PD.US)$ by 205,200 shares.

This series of actions was extremely decisive. As AI competes for user time and enterprise IT budgets, traditional community social networks and hardware-based streaming platforms are facing severe growth bottlenecks. Traditional enterprise service software like PD, if unable to demonstrate its AI monetization capabilities, will inevitably face abandonment. This resolute divestment from low-odds assets is key to improving the overall investment portfolio's capital efficiency.

Additionally, Cathie Wood reduced holdings in commercial rocket launch service providers $Rocket Lab (RKLB.US)$ by 46,900 shares, as well as satellite communications company $Iridium Communications (IRDM.US)$ by 18,200 shares. Facing the increasingly large space economy ecosystem, ARK’s strategy in the aerospace sector seems to be undergoing dynamic adjustments. Reducing holdings in Rocket Lab (RKLB) could be a phased profit-taking move after significant previous gains; while reducing IRDM reflects weakened logic for traditional low-orbit satellite communication networks amidst competition from new low-cost networking forces.

At the same time, she also reduced holdings in automated test equipment supplier $Teradyne (TER.US)$ by 38,800 shares. Teradyne’s business spans semiconductor testing and core components for collaborative robots. From the perspective of the robotics industry evolution, when market focus shifts from early hype on 'components' to attention on 'integrated platforms' and 'embodied intelligence,' upstream supply chain segments like testing hardware—impacted significantly by semiconductor capital expenditure cycles—become relatively less attractive. Reducing holdings aligns with the logic of capital rotating toward higher-dimensional application layers.

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