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 ...
Hosted on MSN

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 Filing: More Sells Than Buys in Quieter Q4

Wide-moat-rated Berkshire Hathaway BRK.A reported a quieter fourth quarter for its equity investment portfolio, with net sales, exclusive of purchases, coming in at an estimated $1.8 billion based on ...
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 ...