There’s a comforting feeling that comes from opening your portfolio and seeing a long list. Twelve mutual funds. Maybe fifteen. It looks careful. It looks spread out. It looks like you did the responsible thing.
Then you look closer, and you find that eleven of those twelve funds are quietly holding the same handful of large companies.
That’s not diversification. That’s one bet wearing twelve costumes.
The overlap nobody checks
Here’s what happens in practice. You buy a fund because someone recommended it. A year later, you buy another because it had a good run. Then another. Each decision felt sensible on its own. Nobody ever stepped back and asked the only question that matters: do these actually behave differently from each other?
Very often, they don’t. Pull up the top holdings of most popular equity funds and you’ll see the same big names appearing again and again. Own five of those funds and you haven’t spread your risk five ways — you’ve bought the same large-cap story five times, and paid five sets of fees for the privilege.
The number of funds you own tells you almost nothing. What matters is what’s inside them, and whether those things move together.
What diversification is actually for
Diversification has one job: to make sure that when one part of your portfolio is having a bad year, another part isn’t having the same bad year.
That only works if the pieces are genuinely different — different enough that they don’t all rise and fall in step. And things move differently when they’re exposed to different forces:
- Different asset classes — equities, bonds, and cash respond to the world in different ways. When stocks fall, quality bonds often hold or rise.
- Different geographies — an India-only portfolio lives and dies with India. Add global exposure and you’re no longer betting everything on one economy.
- Different currencies — especially relevant if you’re an NRI. Your rupee assets and your dollar or dirham assets won’t move together, which is protection, not complication.
- Different time horizons — money you need in two years and money you need in twenty shouldn’t be invested the same way.
A portfolio of three genuinely uncorrelated holdings is better diversified than twelve funds that are all the same flavour of equity.
The “just in case” pile
The other thing a long fund list usually hides is drift. Products get added over the years — a tip here, a promotion there, an old plan nobody wants to exit — until the portfolio is less a strategy and more an archaeological record of every recommendation you ever said yes to.
None of it was chosen to work together. And a collection of individually fine decisions can add up to a portfolio that’s concentrated, expensive, and impossible to actually understand.
How to sanity-check your own portfolio
You don’t need software. Three honest questions will tell you most of what you need to know:
- If I look at the top holdings of all my funds, how much repeats? Heavy overlap means less diversification than the list suggests.
- Is nearly everything in one asset class or one country? If yes, you’re concentrated, however many line items there are.
- Do I know why I own each of these — or just how I ended up with them? If you can’t say what job a holding does, it may not be doing one.
If those answers are uncomfortable, that’s not a failure — it’s the most common portfolio shape we see, and it’s very fixable. Usually it means simplifying: fewer, better-chosen holdings that genuinely complement each other, rather than more.
The point isn’t more — it’s different
Good diversification often means owning fewer things, chosen so they don’t all depend on the same outcome. That’s harder than lengthening a list, because it requires looking at your whole picture at once instead of one product at a time — which is exactly the part most people (understandably) never do alone.
More funds feel safer. Genuinely different holdings are safer. They’re not the same thing.
Sigma Wealth is an independent wealth advisory firm based in Bur Dubai, UAE. We provide research-backed, commission-free financial guidance — you retain full control of your funds at all times. This article is for general educational purposes and is not personalised investment advice.
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