You may have already read that mutual funds are a simple way to invest. That is true — but simple does not mean all funds are equally good. Behind the seemingly straightforward product lie important choices that affect your returns for years to come.
In this article we go deeper than the surface and look at how mutual funds actually work, what types exist, and what you should look for before investing.
What actually happens to your money?
When you buy units in a mutual fund, your money goes into a common pool managed by a fund management company. One or more managers decide which stocks the fund should own — either actively by selecting individual stocks, or passively by tracking an index.
Each day the fund calculates its NAV (Net Asset Value) — the value of all stocks in the fund divided by the number of units. This is the price at which you buy and sell units.
Example: A fund holds stocks worth 100 million kroner and has 1 million units. NAV = 100 kroner per unit. If the stocks rise to 110 million, NAV becomes 110 kroner.
Actively vs. passively managed funds
Actively managed funds
A manager analyses the market and selects stocks with the aim of beating the index. This requires resources — and costs more in management fees, typically 1–2% per year.
The problem? Research shows that most active funds do not beat the index over time, after costs are deducted.
Passively managed funds (index funds)
The fund copies the composition of an index — for example the Oslo Stock Exchange Main Index or the S&P 500. No analysis, minimal trading, low costs — typically 0.1–0.3% per year.
Did you know? Over a 20-year period, a low-cost index fund beats the majority of actively managed funds — primarily because the cost difference compounds via compound interest.
Different types of mutual funds
Global funds
Invest in stocks from around the world. Broad diversification, but often dominated by American companies. Example: funds tracking the MSCI World index.
Regional funds
Focus on a specific region — Europe, Asia, emerging markets. Higher concentration risk, but an opportunity to target specific growth areas.
Sector funds
Invest only in one sector — technology, healthcare, energy or finance. High potential returns, but also high risk if the sector struggles.
Norwegian equity funds
Invest primarily in Norwegian stocks on Oslo Stock Exchange. Home bias is common — many Norwegians hold too large a share of Norwegian stocks relative to Norway is share of the global economy.
What does a mutual fund cost?
Costs are the single most important factor you can control as an investor. Look for:
- Management fee (TER): The annual percentage deducted from the fund
- Subscription and redemption fees: Some funds charge fees when you buy or sell — avoid these
- Transaction costs: Costs from the fund buying and selling stocks — included in the TER
The maths: A fund with 1.5% annual cost vs. 0.2% — over 30 years with 7% gross return, the cost difference alone results in a loss of over 30% of your final wealth.
Risk in mutual funds
All mutual funds carry risk — the value can fall. But risk varies:
- Market risk: The entire market falls — affects all funds
- Concentration risk: Funds with few stocks or one sector fluctuate more
- Currency risk: Global funds are affected by the krone exchange rate against the dollar and euro
- Manager risk: In actively managed funds, results depend on the manager is skill
How to choose the right fund
- Determine your time horizon — under 3 years? Consider bond funds. Over 5 years? Equity funds are suitable.
- Choose broad diversification — global index funds give exposure to thousands of companies
- Compare costs — use Morningstar or the fund company own fact sheets
- View historical returns with scepticism — past results are no guarantee
- Use an ASK account — a share savings account gives tax advantages when switching between funds
"My good now flows to me in a steady, unbroken, ever-increasing stream of success, happiness and abundance."
— Florence Scovel Shinn
Rule of thumb: The best mutual fund is often the cheapest, broadest and most boring — a global index fund you hold for many years without touching it.