In a recent LinkedIn post, Michael Merlin explores the often-overlooked advantages of focused investment strategies over broad diversification. Merlin challenges the conventional wisdom that owning a large number of assets is inherently safer, arguing instead that true investment security comes from deep understanding and disciplined decision-making.
Merlin asserts that the perceived safety of owning a multitude of investments can mask significant underlying risks. He highlights that a lack of comprehension about individual holdings can lead to unforeseen negative consequences. As Merlin puts it:
“Owning everything feels safe. Not understanding creates hidden risk.”
The Case for Focused Investing
Merlin elaborates on his core argument, presenting several reasons why a concentrated approach, when executed with quality and discipline, can lead to superior long-term outcomes. He emphasizes that focusing on a select group of high-quality investments sharpens decision-making and fosters accountability.
Focus Enhances Decision-Making and Accountability
According to Merlin, spreading investments too thinly can dilute conviction and obscure genuine risks associated with the portfolio. A more concentrated portfolio, conversely, forces investors to make more deliberate choices about where their capital is allocated. This focus, Merlin suggests, leads to greater accountability for those decisions.
Quality Investments Compound Over Time
Merlin points out that great businesses have the inherent ability to grow their value through various market cycles. He argues that strong fundamental performance in these businesses is more likely to endure market fluctuations than the performance of a widely diversified but less understood collection of assets. This compounding effect is a key benefit of investing in quality.
“Great businesses grow value across cycles. Strong fundamentals outlast market noise.”
Deeper Understanding Drives Smarter Actions
A significant part of Merlin’s thesis revolves around the importance of understanding. He contends that true knowledge of a few investments provides a greater sense of control and enables more agile and informed actions when market conditions change. This contrasts with owning many assets without a deep grasp of each one, which can lead to slower or less effective responses.
“Real knowledge creates control. Better monitoring leads to faster, smarter action.”
Conviction and Discipline as Pillars of Performance
Merlin further stresses that investment conviction is crucial for navigating market volatility. He suggests that shallow investment theses are prone to breaking under pressure, whereas a high degree of conviction allows for the patience and discipline needed to stick with a strategy. This discipline, in Merlin’s view, is a direct driver of outperformance.
Ultimately, Merlin concludes that while diversification might offer protection against ignorance, a strategy built on focus, understanding, quality, and discipline is what truly compounds wealth. He poses a direct question to his readers, prompting reflection on their own portfolio concentration:
“How concentrated is your portfolio today?”
Merlin also directs readers to his book, “Financial Longevity: Increase Your Wealth Span, Spend Money Guilt-Free, and Gain the Confidence to Enjoy Your Bigger Future,” for further insights into his investment philosophy.
📝 About This Content
This article is based on insights shared by Michael Merlin on LinkedIn.
📅 Originally posted on June 26, 2026 | View original post on LinkedIn →