Cathie Wood’s ARK increases stake in Guardant Health stock

On Thursday, September 17th, 2026, ARK ETF led by Cathie Wood announced a shift in its investment strategy, focusing on Guardant Health Inc. (NASDAQ:GH) and other strategic acquisitions. The most significant transaction was the purchase of 7,738 shares of Guardant Health, valued at $1,353,376 through ARKG ETF, indicating a strong confidence in the healthcare sector.

This move follows a pattern of increasing stake in Guardant Health, which ARK has pursued over the past week. Additionally, ARK added 293 shares of Scribe Therapeutics Inc (SCTX), valued at $8,526, further demonstrating its continued interest in the biotech industry. On the selling side, ARK reduced its holdings in Brera Holdings PLC (SLMT) by 1,432 shares, amounting to $4,381, as part of its ongoing portfolio adjustments.

Overall, these transactions underscore ARK's strategic pivot towards healthcare and biotechnology, reflecting a belief in the growth potential of these industries.