TLDR
- ARK Invest made no sales on May 27, only purchases — a rare all-buy day
- Amazon was the biggest buy: 24,186 shares worth about $6.42 million through ARKK
- ARK added to Cerebras Systems, a newly public AI chip company, following its recent IPO
- Tempus AI saw a $1.21 million purchase through ARK’s genomic health ETF
- Kratos Defense was also added, with analysts seeing over 77% upside in the stock
Cathie Wood’s ARK Invest had an unusual trading day on Wednesday, May 27. The firm made no sales at all, only buys — something that rarely happens for the growth-focused fund manager.
The purchases covered stocks in AI, cloud computing, healthcare technology, and defense.
Amazon Was the Biggest Buy
The largest single trade of the day was Amazon. ARK bought 24,186 shares through its ARKK ETF, a position worth roughly $6.42 million.
The purchase came shortly after Snowflake announced a multi-year deal with Amazon Web Services tied to AI workloads.
UBS analyst Stephen Ju also reiterated a Buy rating on Amazon that same day, with a price target of $333. He pointed to rapid growth inside AWS’s AI business.
UBS estimates that Amazon Bedrock’s AI backlog has reached around $35 billion — up about 300% year over year. The bank expects AI to make up nearly 30% of AWS revenue by 2027.
Amazon stock closed up 2.47% on Wednesday. Wall Street holds a Strong Buy consensus on the stock, with an average price target of $319, suggesting over 17% upside.
ARK Also Added to Three Other Stocks
ARK continued buying shares of Cerebras Systems, an AI chip company that recently went public. The firm added 817 shares across ARKK and ARKW, worth about $197,000.
Cerebras drew strong investor interest after its IPO earlier in May, following partnerships with OpenAI and Amazon Web Services. ARK has been steadily adding to the position since the listing.
Tempus AI was another purchase. ARK bought 25,910 shares through its ARKG genomic ETF, with the trade valued at around $1.21 million.
Tempus focuses on AI tools for hospitals and healthcare companies, helping with diagnostics and data. Analysts currently see about 39% upside potential in the stock.
ARK also added 9,305 shares of Kratos Defense and Security Solutions through its ARKX space and innovation ETF, worth roughly $528,000.
Kratos makes drone and defense technology. Analysts see more than 77% upside potential in the shares based on current price targets.
All four trades point to ARK’s continued focus on artificial intelligence and defense as its core investment themes heading into the summer.
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