TLDR
- ARK Innovation ETF purchased 52,388 shares of Baidu for approximately $7.1 million on September 30, 2025
- The fund also bought 23,538 shares of Alibaba worth over $4.2 million, continuing investments in Chinese tech
- ARK sold 231,903 shares of Brera Holdings for nearly $7.05 million in a major divestment
- The trades reflect Wood’s focus on Chinese AI companies that are developing their own chips to reduce Nvidia dependence
- ARK Space ETF reduced its position in Kratos Defense by selling 16,048 shares valued at $1.4 million
Cathie Wood’s ARK Invest made several portfolio changes on Tuesday, September 30, 2025. The moves show increased focus on Chinese technology companies.
The ARK Innovation ETF bought 52,388 shares of Baidu. The purchase totaled roughly $7.1 million. This represents ARK’s largest transaction of the day.

The same fund also purchased 23,538 shares of Alibaba. The transaction was worth over $4.2 million. This continues a pattern of Alibaba purchases from earlier in the week.
ARK’s Space Exploration ETF added to its logistics holdings. The fund bought 263,700 shares of JD Logistics. The total value came to approximately $441,202.
The Chinese technology investments align with recent developments in the sector. Both Baidu and Alibaba have made progress with artificial intelligence technology. The companies are now using their own AI chips for training models.
This development reduces their dependence on American chip maker Nvidia. Alibaba has launched a high-performance processor designed to compete in the Chinese AI chip market.
Major Sale of Brera Holdings
On the selling side, ARK made a large divestment. The Innovation ETF sold 231,903 shares of Brera Holdings. The sale brought in nearly $7.05 million.
The move represents a shift in strategy for ARK. The fund had previously invested heavily in Brera Holdings. Earlier investments included $49 million related to the company’s transformation into Solmate.
Just last week, Wood had invested $162 million in Brera stock. The recent sale marks a reversal from this position. Brera stock jumped 14.9% during intraday trading on September 30 before closing down 1.3%.
Defense Sector Adjustments
ARK continued trimming its defense holdings. The Space Exploration ETF sold 16,048 shares of Kratos Defense and Security Solutions. The shares were valued at approximately $1.4 million.
This follows a trend of reducing the Kratos position over recent days. The sales appear part of a broader portfolio rebalancing.
In the biotech sector, ARK maintained its conviction in certain holdings. The Innovation and Genomic Revolution ETFs bought a combined 98,814 shares of Intellia Therapeutics. The total value exceeded $1.6 million.
The Space Exploration ETF also made a smaller investment in Thales SA. It acquired 2,147 shares for $664,163.
Wall Street analysts currently rate Alibaba and Kratos Defense as “Strong Buy.” The ARK Innovation ETF purchased the Chinese tech stocks on September 30, 2025.
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