You pay your car insurance premium in January. You might crash in December. For twelve months, Berkshire holds that money—called the float—and invests it. If they can invest it at 6% while having a 4% loss ratio on claims, they win twice: on the premium profit and the investment return.
Warren Buffett calls this “negative-cost leverage.” In plain English? They borrow billions from customers at less than 0% interest. No bank gives you that deal. It’s the financial equivalent of finding a $20 bill in your winter coat every single day.
Fun fact: Geico’s gecko isn’t just a mascot; he’s a cost-cutting machine. By selling directly to customers (no expensive agents), Geico keeps expense ratios below 12%. Competitors often hover around 20–25%. Those savings? They become Berkshire’s investment ammo.
Berkshire Hathaway - A Business Breakdown
The “Boring” Empire of Pipes and Tracks
When you flush your toilet in San Francisco, Berkshire’s energy company might be treating that water. When your new iPhone arrives in a cardboard box, it probably traveled on BNSF Railway. These aren’t sexy businesses—they are infrastructure toll booths.
Railroads, for example, have massive moats. You can’t just build a new railway next to BNSF’s tracks without spending decades and billions in permits. This gives Berkshire steady pricing power. Inflation is actually their friend here—they raise rates as costs go up.
Cultural reference: Think of it like owning the only bridge on your commute. You keep it maintained, charge a small toll, and watch cars (and dollars) roll in regardless of the economy. That’s Berkshire’s energy and railroad play.
$BRK Berkshire Hathaway FY25. • Final year with Warren Buffett as CEO