TLDR
- Cathie Wood’s ARK ETFs bought 83,368 Netflix shares worth $7.27 million on January 21, 2026, the largest purchase of the day
- ARK sold 135,193 Beam Therapeutics shares valued at $4.19 million across ARKK and ARKG ETFs
- ARK purchased 89,501 Tempus AI shares for $5.98 million, expanding healthcare AI investments
- ARK sold stakes in GitLab (87,999 shares/$2.91 million) and Pinterest (118,823 shares/$3.02 million)
- ARK bought 111,439 WeRide shares worth $945,000, continuing investments in autonomous vehicle technology
Cathie Wood’s ARK Invest disclosed its daily ETF trades for Wednesday, January 21, 2026. The trades showed major moves in streaming, artificial intelligence, and biotech stocks.
The largest purchase came through the ARK Next Generation Internet ETF (ARKW). ARK bought 83,368 shares of Netflix for $7.27 million. The purchase came one day after Netflix reported fourth-quarter earnings.
Netflix posted Q4 revenue of $12.1 billion, beating Wall Street estimates of $11.97 billion. Earnings per share came in at $0.56, above forecasts of $0.55 per share. Netflix shares fell 2% on the day as investors focused on the company’s proposed all-cash deal for Warner Bros. Discovery.
On the selling side, ARK offloaded 135,193 shares of Beam Therapeutics through its ARKK and ARKG ETFs. The sale totaled $4.19 million in value. The move represents a shift in ARK’s gene-editing and biotech holdings.
AI and Autonomous Vehicle Investments
ARK Invest made another major purchase in the AI sector. The firm bought 89,501 shares of Tempus AI across ARKK and ARKG ETFs for $5.98 million. Tempus AI shares dropped 2.2% on January 21. The purchase reflects growing use of AI tools in healthcare data analysis.
WeRide also saw buying interest from ARK. The firm purchased 111,439 shares through its ARKQ ETF for $945,000. WeRide shares rose 4.3% on the trading day. The purchase follows earlier acquisitions as autonomous vehicle testing expands.
ARK bought 8,817 shares of Trimble through its ARKX ETF for $614,000. Trimble provides industrial software and positioning tools for construction and aerospace projects.
Tech Stock Sales
ARK reduced its software holdings by selling 87,999 shares of GitLab through ARKW. The sale valued at $2.91 million reflects lower exposure to software stocks.
The firm also sold 118,823 Pinterest shares for $3.02 million. ARK has been cutting positions in select social media companies.
ARK sold 8,646 shares of Kratos Defense across ARKK, ARKQ, and ARKX ETFs. The sale totaled $1.11 million. Defense stocks have remained in focus due to global tensions.
Smaller trades included a purchase of 22,426 Kodiak AI shares through ARKQ for $223,811. The trades show ARK’s strategy of balancing high-growth technology stocks with portfolio adjustments. ARK bought Netflix and Tempus AI shares while reducing biotech and software positions on January 21, 2026.
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