Druckenmiller Opens Position In Amazon, Closes Microsoft — Here's More Of Duquesne's Biggest Q3 Moves

Core Insights - Duquesne Family Office, led by Stanley Druckenmiller, filed its third-quarter 13F, showcasing a dynamic and actively managed portfolio that emphasizes agile asset allocation [1][2] - The filing reflects Druckenmiller's ongoing pursuit of growth and value, with a notable increase in new positions while exiting others, consistent with the firm's nimble investment strategy [2] Holdings Summary - New significant positions include Amazon.com Inc. (437,070 shares), Cleveland-Cliffs Inc. (2,715,035 shares), Alphabet, Inc. (102,200 shares), Meta Platforms Inc. (76,100 shares), and StubHub Holdings, Inc. (4,259,516 shares) [5] - The firm closed several positions, including Microsoft Corp. (sold 200,930 shares), Eli Lilly & Co (sold 100,675 shares), Viking Therapeutics Inc. (sold 549,295 shares), Applovin Corp. (sold 76,100 shares), and Joby Aviation Inc. (sold 31,489 shares) [5] - As of September 30, 2025, the firm's top five holdings were Natera Inc. (13%), Insmed Inc. (8.6%), Teva Pharmaceutical Industries Ltd. (8.3%), Taiwan Semiconductor Manufacturing Company Ltd. (5.3%), and Woodward Inc. (3.9%) [5] Investment Strategy - Duquesne's aggressive repositioning in the third quarter reinforces its reputation for nimble action and readiness to capture growth opportunities, particularly in the healthcare and technology sectors [2]