Liberty Live Holdings, Inc. - Series C Liberty Live Group Common Stock (LLYVK)

Despite the illusion of diversification, nearly 79% of Berkshire's investment portfolio is concentrated in 10 core holdings.

As ValueAct Holdings buys a fresh stake in Rocket Companies, Citron Research endorses the move, calling the investment a "multi-year story."

In investing, certain stocks catch the discerning eye of big players, drawing in substantial investments.

The market listens as the investing legend reshuffles his stakes.

Recent 13F filings unveil the latest investment moves by top hedge funds, revealing shifts in their portfolios and strategic bets in various sectors.