Why AI wunderkind Leopold Aschenbrenner started betting against Nvidia, Oracle, Broadcom

Leopold Aschenbrenner’s Situational Awareness fund’s latest 13F filing shows it has opened put options representing roughly ...
JD Supra

SEC Brings Charges for Failure to File Forms 13F (Investment Manager Share Positions) and 13H (Large Trader Registration)

The SEC’s September 17, 2024, actions signal its commitment to penalize non-compliance, while encouraging market participants to self-report violations. On September 17, 2024, the US Securities and ...
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Why Gates Foundation's latest 13F filing left analysts asking 'But WHY'

Gates Foundation Trust executed one of its most dramatic portfolio shifts in recent history during the third quarter of 2025. The portfolio change was revealed in Gates Foundation's latest 13F filing ...
Morningstar

Berkshire Hathaway 13F: Adds Domino’s, Reduces Apple, BofA

Narrow-moat-rated Berkshire Hathaway BRK.A BRK.B reported a mixture of major and minor changes for its equity investment portfolio in the third quarter, with net sales coming in at $35.6 billion ...