Unit Trust

A unit trust is a type of investment fund that pools money from many individual investors and invests it collectively in a diversified portfolio of assets, such as shares, bonds or other securities. Each investor owns units in the trust, representing a proportional share of the underlying assets, and the value of each unit rises or falls in line with the performance of that underlying portfolio as a whole.

Unit trusts are structurally similar to a mutual fund, with the main difference being the legal structure: a unit trust is organized as a trust, with a trustee holding the assets for the benefit of unit holders, while a mutual fund in some jurisdictions is instead structured as a company with its own separate board. The term is used widely in the United Kingdom, South Africa and several other markets that follow a trust-based fund structure as their standard retail investment vehicle.

Rather than buying shares in dozens of companies individually, an investor can buy units in a unit trust that already holds a diversified basket of those shares, bonds or other assets, professionally managed on behalf of all the unit holders together as a single pooled investment.

Each unit's price is calculated based on the net asset value of the underlying portfolio, divided by the number of units currently in issue, a professional fund manager makes investment decisions within the fund's stated mandate and objectives, and investors can typically buy or sell units directly with the fund manager at the fund's dealing price rather than on a stock exchange.

Unit trusts charge ongoing management fees, often expressed as an expense ratio, which investors should compare carefully across similar funds, since fees compound over time and directly reduce net investment returns even when they appear small on an annual percentage basis. Because units are bought and sold based on the underlying net asset value rather than traded throughout the day on an exchange like a share or an exchange-traded fund, unit trusts are generally priced and settled once per trading day.

Each unit trust operates within a specific, published investment mandate defining what it can and cannot invest in, such as a mandate restricting the fund to government bonds only, or one allowing broad discretion across global equities, giving investors a clear basis for understanding what kind of exposure they are actually buying when they purchase units. Fund managers are legally obligated to operate strictly within their stated mandate, and a fund found to have strayed materially outside it can face regulatory action as well as damage to its reputation among existing and prospective unit holders.

Investors comparing unit trusts typically look beyond headline past performance figures to examine the fund's mandate, fee structure, the manager's track record and tenure, and how the fund's holdings are actually concentrated or diversified across sectors and individual securities. Past performance is widely acknowledged, including by regulators who require funds to say so explicitly, as no guarantee of future results, making these other factors arguably more useful for genuinely comparing one unit trust against another before committing new money.

Some unit trusts are actively managed, with a fund manager making deliberate decisions about which securities to buy and sell in an attempt to outperform a given market benchmark, while others are passively managed, simply tracking an index as closely as possible at a lower ongoing cost. The choice between the two approaches involves a trade-off between the potential for market-beating returns, which research consistently shows most active managers fail to achieve consistently after fees, and the lower, more predictable cost structure of a passive alternative.

Unit trusts are generally regulated by a country's securities or financial services regulator, which sets rules around disclosure, permitted investments, custody of fund assets, and the independence of the trustee overseeing the fund manager's conduct on behalf of unit holders. This regulatory oversight is intended to protect retail investors who may lack the resources or expertise to scrutinize a fund manager's conduct directly, relying instead on the regulatory framework and the trustee's independent oversight role to safeguard their pooled investment.