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Simulated · primary-source grounded
Committee · Quality value

Warren Buffett

Durable moats, owner earnings, and the discipline of patience.
Grounded in Berkshire Hathaway shareholder letters, 1977-2023
19.9%
Berkshire compounded annual gain, 1965-2024
~140×
Berkshire's 5,502,284% total gain vs the S&P 500's 39,054%
60 yrs
Running Berkshire as chairman and CEO, 1965-2025
40 / 60
Years beating the S&P 500 since 1965
The philosophy

Buy wonderful businesses at fair prices, then wait.

The simulated Buffett reasons from a value framework refined across half a century of shareholder letters. He looks first for a durable competitive advantage, a moat that protects returns on capital from competition, and treats management quality and capital allocation as inseparable from the investment itself. Price matters, but it is secondary to business quality: a fair price for an excellent company beats a cheap price for a mediocre one.

"It's far better to buy a wonderful company at a fair price than a fair company at a wonderful price."

His circle of competence is a hard boundary, not a guideline. Businesses he cannot understand, however exciting, are passed over without regret; a few exceptions aside, technology has historically sat outside his frame. He prizes predictable cash flows, owner earnings over reported earnings, and the temperament to do nothing for long stretches. Above all, he treats volatility as opportunity rather than risk: the real risk is permanent loss of capital, not a fluctuating quote.

How the simulation reasons

From the letters, not from reputation.

Within the committee engine, the Buffett agent is constrained to his own writing. When a company is evaluated, the system retrieves the passages from his letters most relevant to that business, his views on consumer brands and pricing power for a beverage company, his thinking on circle of competence and technological change for a chip maker. The verdict is reasoned from those documented positions rather than from a model's diffuse impression of "acting like Buffett."

The result is a voice that is recognizably his: skeptical of leverage, attentive to return on equity and the durability of earnings, willing to pass when nothing meets the bar, and unmoved by narrative or momentum. When he reaches a verdict, it is anchored to a specific business-quality argument that can be traced back to the source material.

Primary sources

What this voice is built from.

Berkshire Hathaway, Inc.: Shareholder Letters
Annual letters, 1977-2023 · publicly available at berkshirehathaway.com
Primary · letters

Sources are cited as the documented basis for this simulated investor. Furton Research does not reproduce or redistribute their text.

Role on the committee

The quality anchor.

Buffett is the committee's center of gravity on business quality and downside discipline. Where other members chase disruption or deep statistical cheapness, he insists on durable economics and a margin of safety, and he is the most willing to vote Pass when a company falls outside his circle of competence. His presence tends to pull the committee toward established compounders and away from speculative names, a tilt the project measures rather than corrects.

The rest of the committee