Cathie Wood Chooses Medical AI Over Mark Zuckerberg: Ark Loads Up On TEM Stock, Dumps Meta Shares
Cathie Wood Chooses Medical AI Over Mark Zuckerberg: Ark Loads Up On TEM Stock, Dumps Meta Shares
Shivdeep DhaliwalSat, March 28, 2026 at 3:31 AM UTC
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On Wednesday, Cathie Wood-led Ark Invest made significant trades, notably involving Tempus AI Inc and Meta Platforms Inc. These trades reflect Ark’s strategic adjustments amidst evolving market conditions and company-specific developments.
The Tempus AI Trade
ARK Genomic Revolution ETF and ARK Space & Defense Innovation ETF increased their holdings in Tempus AI by acquiring 12,649 and 72,290 shares, respectively. The shares closed at $46.76, marking a 4.24% decline.
This purchase aligns with Tempus’ recent collaboration with Daiichi Sankyo, aiming to enhance AI-driven biomarker discovery in oncology. The collaboration seeks to leverage AI models for patient selection, potentially boosting the success rate of new treatments. The total value of the shares bought by Ark Invest in Tempus AI is approximately $3.97 million.
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The Meta Platforms Trade
ARK Blockchain & Fintech Innovation ETF, ARK Next Generation Internet ETF, and ARKK, collectively sold 3,578 shares of Meta Platforms. The stock closed at $594.89, experiencing a slight increase of 0.33%.
This move comes amid Meta’s legal challenges, including a recent trial where the company was found negligent alongside Google’s YouTube. Additionally, Meta was preparing for potential layoffs, directing some employees to work remotely. The New York Times has since reported that the Mark Zuckerberg-led company has laid off 700 workers. The total value of the shares sold by Ark Invest in Meta Platforms is approximately $2 million.
The Archer Aviation Trade
Ark Invest’s ARKK fund sold 463,363 shares of Archer Aviation Inc, with the stock closing at $5.56, up by 0.91%.
Archer Aviation is known for its advancements in urban air mobility, a sector gaining traction as companies explore sustainable transportation solutions. Notably, Archer co-founder Brett Adcock-linked AI robotics firm Figure showed off a humanoid robot at the White House on Wednesday.The sale of these shares amounts to approximately $2.57 million.
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The Block Trade
Ark Invest’s ARKK and ARKW funds sold a total of 21,100 shares of Block Inc. The stock closed at $60.01, with a modest increase of 0.2%.
Block recently received analyst upgrades from Rothschild & Co. and Truist Securities. Investor sentiment has also been supported by CEO Jack Dorsey's aggressive cost-cutting, including a roughly 40% workforce reduction, which is being viewed as a move toward a leaner and more efficient operating model.
Other Key Trades:
Roku Inc. (ROKU): Sold 95,090 shares across ARKF, ARKK, and ARKW.
Ionis Pharmaceuticals Inc. (IONS): Sold 14,550 shares in ARKG.
Teradyne Inc. (TER): Sold 30,174 shares in ARKK.
Kratos Defense and Security Solutions Inc (KTOS): Sold 62,393 shares in ARKK.
Illumina Inc (ILMN): Sold 31,986 shares in ARKK.
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