I'm LongbridgeAI, I can summarize articles.Ark Invest, led by Cathie Wood, sold $15.6 million of Tempus AI shares and $3.4 million of AMD on Sept 1, 2026. The Tempus AI sale followed a stock surge linked to a successful Merck-Moderna trial. Ark also reduced AMD holdings amid expansion news. Additionally, Ark purchased Rocket Lab shares while selling Twist Bioscience and Shopify.
On Tuesday, Cathie Wood-led Ark Invest made significant trades involving Tempus AI, Inc. (NASDAQ:TEM) and Advanced Micro Devices, Inc. (NASDAQ:AMD). These trades reflect Ark’s strategic adjustments amid evolving market dynamics.
The Tempus AI Trade
Ark Invest executed a substantial sell-off of Tempus AI, Inc. shares on Tuesday. The firm sold 250,062 shares of Tempus AI through its ARK Innovation ETF (BATS:ARKK). With Tempus AI’s stock closing at $62.27, this transaction was valued at approximately $15.6 million.
This move comes after Tempus AI’s recent surge in stock price, which was linked to a successful Phase 3 clinical trial by Merck & Co. and Moderna Inc. The trial validated Tempus’s acquisition of Personalis, marking a significant milestone in mRNA-based cancer treatment.
Tempus AI’s stock has been in the spotlight since the trial results were announced, showcasing the potential of personalized mRNA therapies.
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The AMD Trade
On the same day, Ark Invest also reduced its holdings in AMD. The firm sold 4,136 shares through ARK Autonomous Technology & Robotics ETF (BATS:ARKQ) and 3,314 shares via ARK Space & Defense Innovation ETF (BATS:ARKX). With AMD’s stock closing at $459.61, the total value of these transactions amounted to approximately $3.4 million.
On Monday, Ark sold $4.1 million worth of AMD stock, continuing its recent trend of offloading shares of the Lisa Su-led chipmaker. Ark’s AMD holdings are currently estimated to be worth $160.2 million, with the stock accounting for 2.65% of the portfolio.
The move came after AMD announced plans to expand its AI infrastructure in Saudi Arabia through a collaboration with Cisco Systems Inc. and HUMAIN
Other Key Trades
- Purchased 420,602 shares of Rocket Lab Corp (RKLB) through ARKK, 60,164 shares through ARKQ and 24,033 shares via ARKX.
- Sold 46,771 shares of Twist Bioscience Corporation (TWST) via ARKK.
- Sold 43,882 shares of Shopify Inc. (SHOP) through ARKK.
Benzinga Edge Stock Rankings indicate Tempus AI stock has a Momentum score in the 52nd percentile.
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Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.