Warren Buffett unveiled a purchase in UNH stock in 2025. The position could be costing Berkshire Hathaway in 2026.

In terms of shares owned, we count 3 of the above funds having increased existing FB positions from 09/30/2021 to 12/31/2021, with 2 having decreased their positions and 4 new positions. Worth noting ...

George Soros's 13F portfolio value decreased from $6.02B to $5.57B, with positions dropping from 193 to 177 this quarter. New significant stakes include SPDR S&P 500 Index, Apple Puts, and ChampionX.

What is a 13F Filing? A 13F is a quarterly filing required by the U.S. Securities and Exchange Commission (SEC), which mandates institutional investment managers with assets exceeding $100 million to ...

Forbes contributors publish independent expert analyses and insights. Jacob Wolinsky covers hedge funds and emerging managers. This article is more than 5 years old. The Securities and Exchange ...

In late 2022, the Securities and Exchange Commission (SEC) adopted rule changes that will require institutional investment managers who file Form 13F to annually file a Form N-PX disclosing the manner ...

In terms of shares owned, we count 4 of the above funds having increased existing C positions from 12/31/2024 to 03/31/2025, with 3 having decreased their positions. Looking beyond these particular ...