Tracking Cathie Wood: Increasing exposure to AI computing power rising star Cerebras, while continuing to reduce and adjust positions in precision medicine and technology

On Tuesday, August 25, 2026, the three major U.S. stock indices closed higher collectively, with market sentiment leaning optimistic. The S&P 500 rose 0.32% to close at 7,677.28 points. The Nasdaq, led by tech stocks, performed the strongest, rising 0.66% to 26,151.30 points. The Dow Jones Industrial Average also edged up 0.30% to 53,577.40 points. Overall, the broader market showed a mild upward trend.

Against this backdrop, ARK Invest bought into AI computing infrastructure and early-stage liquid biopsy sectors on the day, while simultaneously executing distributed reductions across multiple sectors including precision medicine, synthetic biology, gaming entertainment, and semiconductors.

Symbols

Buy Direction: Focusing on AI computing infrastructure and early-stage liquid biopsy

$Cerebras Systems (CBRS.US)$: ARK significantly increased its holdings by 93,290 shares on the day. Cerebras is known for its wafer-scale engines (WSE) designed specifically for training large language models, offering differentiated competition against traditional GPU architectures in terms of computing efficiency. This move by ARK may reflect its continued bullishness on the long-term explosive potential of the AI infrastructure side, as well as Cerebras' unique moat in the high-performance computing market.

$Freenome (FRNM.US)$With an increase of 14,549 shares, Cathie Wood continues to add to her position in the early cancer screening sector. Freenome focuses on a liquid biopsy platform based on multi-omics technology, dedicated to achieving early, non-invasive cancer detection. This direction aligns closely with ARK's core investment narrative of "precision medicine changing lives," suggesting a forward-looking layout by ARK in the precision medicine niche.

Sell side: Rebalancing positions across multiple holdings; capital may flow into higher-priority targets.

$Tempus AI (TEM.US)$ARK reduced its holding by 57,819 shares, making it the largest single sell-off of the day. Tempus AI also operates in the AI healthcare sector. ARK's significant adjustment of its position may be related to capital reallocation within the broader precision medicine sector, potentially concentrating resources on earlier-stage, more elastic targets.

$Twist Bioscience (TWST.US)$ARK reduced its holding by 44,062 shares. As a DNA synthesis technology provider in the field of synthetic biology, Twist possesses a certain degree of scarcity in its sector. This reduction may be a portfolio rebalancing operation, suggesting that ARK is making dynamic adjustments across the synthetic biology sector as a whole.

$Brera Holdings (SLMT.US)$ARK reduced its holding by 9,063 shares. Brera Holdings is a sports club holding company, representing an atypical holding within ARK's overall portfolio. This slight reduction may reflect ARK's ongoing cleanup of non-core sector targets.

$Roblox (RBLX.US)$ARK reduced its holding by 8,945 shares. As a representative target in the metaverse and immersive gaming platforms, Roblox has previously attracted ARK's attention. This moderate reduction in position may be a routine portfolio management action, likely related to the recent valuation pressure on tech growth stocks.

$Advanced Micro Devices (AMD.US)$ARK reduced its holding by 7,600 shares. As a key player in the mainstream AI chip sector, AMD's small-scale reduction is noteworthy. Considering that ARK simultaneously significantly increased its stake in Cerebras, another player in the AI computing power direction, this move may reflect a structural shift within the computing power sector towards "reducing exposure to large-cap stocks and adding innovative leaders," which is logically consistent.

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