INVESTOR LETTER #131
Diversification
Diversification means spreading your investments across different businesses so that a single mistake doesn't significantly damage your portfolio. It's one of the simplest ways to reduce risk. But diversification isn't about owning as many stocks as possible—it's about owning enough quality businesses that one unexpected event doesn't put your financial future at risk.
INVESTOR NOTE
A business owner thinks in decades. A speculator thinks in minutes.
Don't Put All Your Eggs in One Basket
Imagine carrying a dozen eggs in one basket. If the basket falls, every egg breaks. But if the eggs are divided among several baskets, a single accident causes much less damage. Investing follows the same principle.
What Is Diversification?
Diversification is the practice of spreading your investments across multiple companies, industries, or even asset classes. The goal isn't to maximize returns—it's to reduce the impact of unexpected setbacks.
Nobody Is Right Every Time
Even the world's greatest investors make mistakes. No amount of research can eliminate uncertainty completely. Diversification accepts this reality and protects your portfolio from a single wrong decision.
Quality Comes Before Quantity
Owning fifty average businesses doesn't automatically make your portfolio safer than owning ten outstanding ones. Diversification works best when it's built around quality companies, not simply a large number of holdings.
Avoid Owning the Same Business Twice
Some companies may look different but depend on the same industry or economic factors. If several investments are affected by the same event, your portfolio may be less diversified than it appears.
Too Much Diversification Has a Cost
Buying every good company you find eventually becomes difficult to manage. As the number of holdings increases, each successful investment contributes less to your overall returns. At some point, diversification begins to dilute your best ideas.
Conviction Still Matters
Diversification doesn't mean giving every stock the same importance. Businesses you understand deeply and have higher conviction in may deserve larger allocations than those you're less certain about.
Think Beyond Industries
True diversification isn't just about owning companies from different sectors. Consider differences in business models, customer bases, geographic exposure, and sources of revenue. The less dependent your investments are on the same factors, the stronger your diversification.
Review Your Portfolio Over Time
As businesses grow, some positions naturally become much larger than others. Reviewing your portfolio periodically helps ensure your diversification still reflects your investment strategy and comfort with risk.
Diversification Protects, Not Guarantees
A diversified portfolio can still lose value during difficult markets. Its purpose isn't to eliminate losses but to reduce the damage caused by any single company or unexpected event.
Balance Confidence With Humility
Diversification is an admission that the future is uncertain. You may strongly believe in a company, but no investor can predict everything. Building a diversified portfolio allows you to benefit from your best ideas while protecting yourself from the mistakes that every investor eventually makes.
INVESTOR PRINCIPLE