These Investors Earned 20% to 33% Returns Using The Same Philosophy on Completely Different Stocks
Markel (MKL) crushed Q4 2025 EPS estimates with $48.75 versus $25.73, compounding a 33% three-year return via the same insurance-float model as Berkshire. American Express (AXP) beat Q1 EPS by 7%, wโฆ
Markel (MKL) crushed Q4 2025 EPS estimates with $48.75 versus $25.73, compounding a 33% three-year return via the same insurance-float model as Berksh
Read Full Story at Yahoo Finance โWhy This Matters
The outperformance of Markel and American Express demonstrates that Warren Buffett's insurance-float model is not a one-off phenomenon tied to Berkshire Hathaway alone. Instead, it reveals a replicable investment philosophy that can generate outsized returns across diverse sectors, from property-casualty insurance to financial services, even in volatile markets.
Background Context
The insurance-float strategy relies on collecting premiums upfront while delaying payouts, allowing insurers to invest the float in income-generating assets. While Berkshire's scale makes it the poster child for this approach, Markel's "mini-Berkshire" model and American Express's credit-card float operations show how float-driven growth can thrive in smaller, nimbler enterprises.
What Happens Next
Investors may increasingly seek out companies with float-centric business models, pressuring underperforming insurers to adopt more disciplined underwriting. Regulatory scrutiny could also intensify as the strategy gains traction, particularly around reserve adequacy and investment risk concentration in these float-heavy portfolios.
Bigger Picture
This pattern underscores a broader shift in value investing toward capital-light, float-dependent models that thrive in low-rate environments. As traditional banks face profitability challenges, the success of float-driven businesses highlights a potential bifurcation in the financial services sector between asset-heavy and float-optimized operators.

