What is diversification?

Diversification (or risk spreading) is the fundamental investment strategy where you don't bet all your money on one horse. By smartly spreading your assets across different types of investments, sectors, and geographic regions, you reduce the overall risk of your portfolio without directly sacrificing expected returns. It is the ultimate shock absorber against the unpredictability of the stock market.

How does Diversification work exactly?

The core of diversification is popularly known as: "don't put all your eggs in one basket". The financial theory behind this revolves around correlation. This is the degree to which different investments move together under the same economic conditions.

If interest rates rise, for example, tech stocks can fall sharply, while traditional banks or insurers benefit. By including both in your portfolio, you neutralize part of the blow. A well-diversified portfolio is built from different layers of diversification:

1. Asset allocation: Spread across asset classes (such as stocks, bonds, and real estate).

2. Sector diversification: Spread across different industries (such as healthcare, industry, and consumer goods).

3. Geographic diversification: Spread across different parts of the world (Europe, North America, Asia).

Diversification in practice

What happens if you ignore this sober principle? Suppose an investor becomes convinced of the future of electric cars and invests his entire fortune in three major car brands and a battery producer. On paper, he owns several stocks, but in practice he is completely undiversified.

As soon as a global shortage of computer chips arises or the government withdraws the subsidies for electric driving, his entire portfolio collapses.

A sensible investor approaches this differently. He may invest part of his money in a strong car brand, but spread the rest of the capital across a stable pharmaceutical company, a food producer, and solid government bonds. If the car sector has a difficult year, people will still keep using medicines and buying groceries. The stable income from the other sectors absorbs the blow, resulting in essential capital preservation.

• Protection against bankruptcies. If your assets are spread across twenty robust companies and one unexpectedly goes under, you lose only 5% of your capital instead of everything.

  
  

• Emotional peace. A well-spread portfolio fluctuates much less violently (lower volatility). This prevents panic selling during a market crash.

  
  

• Over-diversification. This is a major risk in passive index investing. If you buy hundreds or thousands of stocks purely to be 'diversified', you inevitably also buy low-quality companies. You dilute your returns by adding mediocre companies

  
  

• Limited peak returns. Because your portfolio balances out, your wealth will never double in one month like with a risky crypto gamble. You choose steady, safe growth instead of the lottery.

The vision of Mpartners

At Mpartners Vermogensbeheer, diversification is one of the pillars of our risk management, but we do this with the critical eye of a value investor. We do not believe in blindly buying up the entire market just to be diversified. That leads to owning overvalued hype and weak business models.

We build concentrated, yet highly balanced portfolios. We select only high-quality companies worldwide whose share price is below intrinsic value. By spreading these quality companies intelligently across independent sectors, we offer portfolios that can withstand rough weather. Our clients' assets (from € 300,000) are thus protected in a sober and effective way, with a clear focus on the long term.

Are you curious whether your current portfolio is truly well diversified, or whether you are unknowingly taking too much risk? Then feel free to contact us for a non-binding second opinion in Amsterdam.