Cathie Wood’s ARK Sells Tesla and Meta, Buys Baidu and Trade Desk

TLDR

• ARK ETFs sold 37,878 Tesla shares worth $17.2 million on December 5, continuing a week-long selling trend
• ARK bought 119,982 Baidu shares for $14.2 million, marking increased exposure to Chinese tech and AI
• The fund purchased 180,445 Trade Desk shares totaling $7.1 million across multiple ETFs
• ARK reduced Meta holdings by 9,200 shares valued at $6.1 million in recent trimming of mega-cap tech
• Other buys included GeneDx ($8.3 million), WeRide ($336,875), and Robinhood ($1.3 million)

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Cathie Wood’s ARK Investment Management released its daily trading activity for December 5, 2025, showing continued sales of Tesla stock and fresh purchases of Chinese tech company Baidu. The trades reflect ongoing portfolio adjustments across ARK’s family of exchange-traded funds.

ARK sold 37,878 shares of Tesla through the ARK Innovation ETF (ARKK) for $17.2 million. The transaction marks the latest in a series of Tesla sales over the past week. Tesla has been a long-time holding in Wood’s portfolio.

Tesla, Inc., TSLA

The fund reduced its Meta Platforms position by 9,200 shares, generating $6.1 million in proceeds. This sale follows several recent reductions in the social media company’s stock. ARK has been trimming its exposure to large-cap technology stocks.

On the buying side, ARK purchased 119,982 shares of Baidu for $14.2 million through ARKK. The Chinese internet search and AI company represents a new area of focus for the fund. Baidu operates cloud computing and autonomous driving businesses in China.

New Positions in Digital Advertising and Genomics

ARK bought 180,445 shares of Trade Desk across ARKK and the ARK Next Generation Internet ETF (ARKW). The purchase totaled $7.1 million. Trade Desk provides digital advertising technology and programmatic ad buying platforms.

The Trade Desk, Inc., TTD

The fund has been accumulating Trade Desk shares over recent trading sessions. The company specializes in AI-based advertising tools for brands and agencies.

ARK increased its GeneDx Holdings position by purchasing 51,496 shares across ARKK and the ARK Genomic Revolution ETF (ARKG). The transaction was worth $8.3 million. GeneDx operates in the genetic testing and diagnostics space.

The fund added 35,991 shares of WeRide through the ARK Autonomous Technology & Robotics ETF (ARKQ) for $336,875. WeRide develops autonomous vehicle technology. ARK also bought 9,400 Robinhood shares valued at $1.3 million.

ARK Invest sold 223,158 shares of Iridium Communications across multiple ETFs for $3.9 million. The satellite communications company has been reduced from the portfolio. The fund also sold 195,141 shares of Adaptive Biotechnologies through ARKG for $3.4 million.

The trading activity shows Wood redirecting capital from mega-cap stocks to mid-cap technology companies. The Baidu purchase represents the largest buy of the trading session. Trade Desk acquisitions have occurred over multiple days this week.

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