Cathie Wood’s ARK ETF adjusts portfolio, sells AMD and buys Baidu stock

Cathie Wood’s ARK ETFs have made significant changes to their investment portfolios on Friday, 24 October 2025, as reported in their daily trade disclosure. The largest transaction of the day involved the sale of shares in Advanced Micro Devices Inc (NASDAQ:AMD), with the ARKK ETF offloading a total of 23,717 shares valued at approximately $5.57 million.

In contrast to the sell-off in AMD, ARK showed a strong buying interest in Baidu Inc (NASDAQ:BIDU), acquiring a total of 51,323 shares across three of its funds—ARKK, ARKQ, and ARKW—amounting to a substantial investment of roughly $6.18 million. This purchase represents the highest dollar-value trade for the day and a continuation of ARK’s recent accumulation trend in Baidu stock.

The ARKK ETF also sold a notable number of shares in Shopify Inc (NYSE:SHOP), divesting 39,077 shares for a total of $6.53 million, marking another significant adjustment to the fund’s holdings.

Another major transaction included the sale of Iridium Communications Inc (NASDAQ:IRDM) shares, with ARKK parting with 107,510 shares totaling nearly $1.96 million. This follows a smaller sale of IRDM stock earlier in the week, indicating a possible shift in ARK’s investment strategy for this asset.

Palantir Technologies Inc (NYSE:PLTR) and Roblox Corp (PRE-REINCORPORATION) (NYSE:RBLX) also saw considerable sales from the ARKK ETF, with 32,384 and 26,089 shares sold, respectively, totaling around $5.84 million and $3.37 million in value.

On the buying side, ARK’s ARKG ETF invested in Arcturus Therapeutics Holdings Inc (NASDAQ:ARCT), purchasing 10,818 shares worth approximately $129,816. This follows a pattern of consistent buying in ARCT over the past week.

Pacific Biosciences of California Inc (NASDAQ:PACB) continued to be a favored stock, with ARKK buying a massive 1,353,313 shares valued at about $2.64 million. This acquisition is on top of a significant purchase of PACB shares earlier in the week, demonstrating ARK’s growing interest in this company.

Additionally, ARK’s ETFs made a combined purchase of 162,279 shares in 10X Genomics Inc (NASDAQ:TXG), split between ARKK and ARKG, for a total of approximately $2.17 million. This transaction aligns with ARK’s buying activity in TXG shares earlier in the week.

The ARKG ETF also sold 19,391 shares of Tempus AI Inc (NYSE:TEM), amounting to $1.69 million. This continues the trend of ARK reducing its holdings in TEM, as seen in previous trade reports.

Investors following Cathie Wood’s ARK ETFs will likely be analyzing these trades for insights into the fund’s strategic direction. The consistent buying in companies like Baidu and Pacific Biosciences suggests a bullish outlook on these sectors, while the divestments from AMD and Shopify might indicate a shift in confidence or a simple rebalancing of the portfolio to accommodate new positions and opportunities.

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