Sean Williams, The Motley Fool
Tue, November 18, 2025 astatine 2:51 AM CST 7 min read
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Quarterly-filed Form 13Fs let investors to look implicit the proverbial shoulders of Wall Street's smartest wealth managers to spot which stocks they've been buying and selling.
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Billionaire Stanley Druckenmiller jettisoned his fund's full involvement successful Palantir during the archetypal 4th -- and profit-taking apt explains lone portion of the crushed down this selling activity.
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Meanwhile, Duquesne's billionaire main opened positions successful 3 comparatively inexpensive Magnificent Seven stocks that are utilizing AI arsenic a instrumentality to heighten their existing platforms.
This is 1 of the astir breathtaking times of the twelvemonth -- and it has thing to bash with net play (the six-week play wherever a bulk of S&P 500 companies study their operating results).
No aboriginal than 45 calendar days pursuing the extremity of a quarter, organization investors overseeing astatine slightest $100 cardinal successful assets nether absorption (AUM) are required to record Form 13F with the Securities and Exchange Commission. This filing provides nonrecreational and mundane investors with a concise snapshot of the stocks, exchange-traded funds (ETFs), and prime options that Wall Street's top-tier wealth managers purchased and sold successful the latest quarter.
Nov. 14 marked the deadline to record 13Fs for trading enactment successful the September-ended quarter, meaning investors conscionable received a deluge of invaluable accusation regarding which stocks and trends person piqued the involvement of palmy plus managers.
Although Warren Buffett is the most-followed and revered of each billionaire investors, he's not the lone 1 with a knack for spotting a bargain. Duquesne Family Office's Stanley Druckenmiller, who oversees successful excess of $4 cardinal successful AUM, has consistently outpaced the S&P 500's returns.
What's peculiarly noteworthy astir Druckenmiller's investments astatine Duquesne has been his enactment successful the artificial quality (AI) arena. This year, he's wholly sold retired of what's arguably Wall Street's hottest AI stock, information mining specializer Palantir Technologies (NASDAQ: PLTR), and is perfectly loading up connected 3 of the cheapest members of the "Magnificent Seven."
As of the midpoint of 2024, Duquesne Family Office held astir 770,000 shares of Palantir. The allure was simple: 2 unique, AI-driven, software-as-a-service platforms increasing astatine a breakneck gait that person nary one-for-one replacement. Sustainable moats are uncommon connected Wall Street, and investors person demonstrated a willingness to wage a premium for nationalist companies that tin support their competitory advantages.

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