Berkshire’s 0.45% Drop on $1.78B Volume Pushes It to 39th in U.S. Dollar Volume Ranking

On Sept. 15, 2025, Berkshire Hathaway Inc. , , ranking 39th among U.S. equities by dollar turnover. The stock's performance came amid mixed signals from its broader business operations and market positioning.

Recent developments highlighted a shift in Berkshire's capital allocation strategy, with CEO signaling a more selective approach to new investments. The conglomerate also reported modest adjustments in its insurance underwriting results, reflecting competitive pressures in key markets. These factors contributed to investor caution, , indicating heightened short-term trading activity.

Analysts noted that Berkshire's exposure to energy and rail sectors remained a focal point, with ongoing debates about the long-term sustainability of its infrastructure investments. Meanwhile, the company's retail and manufacturing divisions showed stable operating margins, .

A back-testing analysis of a strategy involving an equal-weighted portfolio of the top 500 most liquid U.S. equities by daily dollar volume from 2022-01-01 to present revealed technical limitations in replicating the approach with current tools. While proxies like SPY or RSP ETFs offer partial insights, they cannot fully capture the dynamic nature of the volume-based selection criteria. Custom data engineering would be required to implement the strategy accurately.