Unit Trusts Explained for SA Investors

What Is a Unit Trust?

A unit trust is a collective investment scheme in which many investors pool their money into a single fund. A professional fund manager invests that pooled capital across a portfolio of assets, such as equities, bonds, listed property, or money market instruments, according to the fund's stated mandate. Each investor owns a proportional share of the fund, expressed as units. The price of a unit, called the net asset value (NAV) per unit, rises or falls as the underlying assets change in value.

In South Africa, unit trusts are regulated under the Collective Investment Schemes Control Act (CISCA) and fall under the oversight of the Financial Sector Conduct Authority (FSCA). This regulatory framework sets minimum disclosure standards, limits on concentration risk, and rules on how unit trust funds must be structured and priced, giving investors a meaningful layer of protection.

How Unit Trusts Work in Practice

When you invest in a unit trust, your money is combined with that of other investors and held in a ring-fenced portfolio managed by an authorised collective investment scheme manager, such as Allan Gray, Coronation, Ninety One, or Sanlam Investments. A registered trustee, typically a major bank acting in a custodial capacity, holds the underlying assets separately from the management company's own balance sheet. This means that if the management company were to fail, your investment is protected.

The fund manager buys and sells securities within the portfolio according to the fund's mandate. A South African equity fund, for example, will hold predominantly JSE-listed shares. A multi-asset income fund will hold a mix of bonds, money market instruments, and sometimes a small allocation to equities. The mandate defines the boundaries, and the manager works within them.

Units are typically priced once a day at a forward price: you submit your instruction, and the price applied is the NAV calculated at the next pricing point. This is different from buying shares directly on an exchange, where the price fluctuates throughout the trading day.

Types of Unit Trust Funds Available in South Africa

The Association for Savings and Investment South Africa (ASISA) classifies unit trust funds into standardised categories to make comparison easier. The main categories relevant to most investors include:

• South African Equity General: funds that invest primarily in JSE-listed equities across sectors and market caps.
• South African Multi-Asset High Equity: balanced funds that may hold up to 75 percent in equities, with the rest in bonds and cash. These are the most common funds used inside retirement products because they comply with Regulation 28 limits.
• South African Multi-Asset Low Equity: more conservative balanced funds with a lower equity ceiling.
• South African Interest Bearing Money Market: very short-duration, capital-stable funds investing in instruments with maturities of under 13 months.
• South African Interest Bearing Short Term: funds investing in bonds and money market instruments with slightly longer durations than pure money market funds.
• Global and Regional funds: rand-denominated or foreign-currency-denominated funds that invest offshore, subject to the fund manager's foreign investment allowance.

Understanding which ASISA category a fund belongs to is the first step in comparing it fairly against its peers.

Unit Trust Fund Performance Measurement

Performance measurement for unit trusts is a structured discipline, not simply a matter of looking at a return figure in isolation. Several concepts matter here.

Total Return and NAV Growth

The primary measure is total return: the change in NAV per unit over a period, plus any income distributions reinvested. Income distributions (dividends, interest) are either paid out to investors or automatically reinvested as additional units, depending on the class of units held. When comparing fund performance, always use the total return figure, not just price appreciation.

Time-Weighted Return

Because investors add or withdraw money at different times, unit trust performance is typically reported using the time-weighted return (TWR). TWR removes the distorting effect of cash flows in and out of the fund, making it the standard method for evaluating how well the fund manager has performed, independent of investor behaviour.

Benchmark Comparison

Every fund should be measured against a relevant benchmark. A South African equity general fund might be benchmarked against the FTSE/JSE All Share Index (ALSI) or the FTSE/JSE Capped SWIX. A multi-asset fund might use a composite benchmark, such as CPI plus a fixed percentage, or a blended index. Comparing a fund's return to its benchmark over rolling periods (one year, three years, five years) tells you whether the manager has added value after fees.

Risk-Adjusted Metrics

Raw return figures do not tell the whole story. Sophisticated investors and advisers look at risk-adjusted metrics:

• Standard deviation: measures how much the fund's returns have varied around its average. A higher standard deviation means more volatility.
• Sharpe ratio: return earned above the risk-free rate (typically the South African repo rate or a money market proxy) divided by the fund's standard deviation. A higher Sharpe ratio indicates better return per unit of risk taken.
• Maximum drawdown: the largest peak-to-trough decline over a given period. This is particularly relevant for investors who cannot tolerate large interim losses.

ASISA mandates that management companies publish minimum disclosure documents (MDDs) for each fund, updated monthly. These documents include annualised returns over standardised periods, benchmark comparisons, and fee disclosures, making unit trust performance tracking more transparent than many other investment structures.

Unit Trust Performance Tracking Over Time

Tracking a unit trust's performance over time requires consistency in method. A few practical principles:

Use rolling returns, not point-to-point snapshots. A fund that returned 18 percent over the calendar year may have delivered that return in a very narrow window. Rolling three-year or five-year returns, calculated monthly, give a more reliable picture of consistency.

Account for fees. Unit trust returns are typically quoted net of the annual management fee (also called the total expense ratio, or TER), but not always net of transaction costs. The total investment charge (TIC) combines the TER with transaction costs and is the most complete cost measure. A fund with a TER of 1.5 percent and transaction costs of 0.3 percent has a TIC of 1.8 percent annually, which compounds significantly over a decade.

Compare within the correct ASISA category. Comparing a money market fund to an equity fund is not meaningful. Performance databases such as those maintained by Morningstar South Africa and ProfileData allow filtering by ASISA category, making peer comparison straightforward.

Understand survivorship bias. Funds that perform poorly are sometimes merged into better-performing funds or wound up. Performance databases that include only currently active funds may overstate average historical returns. When reviewing long-term sector averages, check whether the data accounts for this.

SARS Tax Treatment of Unit Trusts

The tax treatment of unit trusts in South Africa depends on the nature of the return, the type of fund, and the investor's own tax status. This is an area where the rules are specific and where professional advice is worth seeking.

Interest Income

Interest earned within a unit trust fund, and distributed to investors, is taxed as ordinary income in the hands of the investor at their marginal income tax rate. SARS provides an annual interest exemption for natural persons: the first portion of interest income earned each year is exempt from tax. The exemption thresholds are set annually and differ depending on whether the investor is under or over 65. Confirm the current threshold with SARS or a registered tax practitioner, as these figures are updated in the annual Budget.

Dividend Income

Dividends received from South African companies held within a unit trust fund are subject to Dividends Tax at source, currently at 20 percent. This is withheld before the distribution reaches the investor, so dividends from South African equities typically arrive in the investor's hands already net of Dividends Tax. Foreign dividends distributed from offshore holdings within a unit trust may be treated differently and can be subject to income tax rather than Dividends Tax, depending on the fund's structure.

Capital Gains Tax

When an investor sells units in a unit trust, any gain above the base cost of those units is subject to Capital Gains Tax (CGT). For individual investors, gains are included in taxable income at a fixed inclusion rate (currently 40 percent of the gain is included in taxable income for natural persons, though this rate is set by legislation and can change). The annual exclusion for capital gains reduces the taxable gain each year. The effective CGT rate therefore depends on the investor's marginal income tax rate applied to the included portion of the gain.

Note that switching between unit trust funds within the same management company is treated as a disposal for CGT purposes. This is a common point of confusion: moving from one fund to another triggers a CGT event, even if no cash leaves the investment platform.

Tax-Free Savings Accounts

Unit trusts held inside a Tax-Free Savings Account (TFSA) are exempt from income tax, Dividends Tax, and CGT on returns within the account. The annual contribution limit and lifetime limit are set by SARS and updated periodically. TFSAs are one of the most tax-efficient wrappers available to South African retail investors, and many unit trust platforms allow investors to hold unit trust funds directly inside a TFSA.

Retirement Fund Wrappers

Unit trusts held inside a retirement annuity (RA), pension fund, or provident fund benefit from a different tax treatment: contributions may be deductible (subject to SARS limits), growth within the fund is not taxed annually, and withdrawals at retirement are taxed according to the retirement lump sum tax tables. Regulation 28 of the Pension Funds Act limits how much of a retirement fund may be invested in certain asset classes, which is why multi-asset funds designed for retirement products are structured to comply with these limits.

Costs and How They Affect Returns

Fees in unit trusts are often underestimated as a factor in long-term outcomes. The annual management fee charged by the fund manager is the most visible cost, but there are others: platform administration fees charged by the investment platform or LISP (Linked Investment Service Provider), adviser fees if you invest through a financial adviser, and transaction costs incurred by the fund when it buys and sells underlying securities.

Over a 20-year investment horizon, the difference between a TIC of 1.2 percent and 2.2 percent per year can amount to a material reduction in terminal value, particularly when compounding is considered. ASISA's fee transparency requirements mean that TER and TIC figures must be disclosed in the MDD, so investors can compare costs directly.

How to Invest in a Unit Trust in South Africa

Investors can access unit trusts through several channels:

• Directly through a management company: most major South African fund managers accept direct investments online or via paper application.
• Through a LISP: platforms such as Allan Gray's direct platform, Ninety One's platform, or independent LISPs allow investors to access funds from multiple managers in one place, with consolidated reporting.
• Through a financial adviser: advisers registered with the FSCA under the Financial Advisory and Intermediary Services (FAIS) Act can recommend appropriate funds based on a needs analysis and risk profile.
• Inside a retirement product or TFSA: as described above, unit trusts can be the underlying investment within tax-advantaged wrappers.

Minimum investment amounts vary by fund and platform. Some funds accept lump sums from a few hundred rand, while institutional share classes may require significantly higher minimums. Debit order investments allow investors to contribute monthly amounts, which has the added benefit of rand-cost averaging: buying more units when prices are low and fewer when prices are high.

What Unit Trusts Are Not

Unit trusts are not guaranteed. Unless a fund explicitly offers a capital guarantee (which is rare and typically comes with conditions and costs), the value of your investment can fall below what you put in. Money market funds are designed to preserve capital and are the most stable category, but even these are not a bank deposit and are not covered by the Financial Sector Conduct Authority's depositor protection scheme.

Unit trusts are also not a short-term trading vehicle for most categories. Equity and multi-asset funds are designed for investment horizons of five years or more. Investors who exit during a market downturn crystallise losses that a longer-term holder would recover.

Summary

Unit trusts offer South African investors access to professionally managed, diversified portfolios within a regulated framework. Performance should be evaluated using total return figures, measured against a relevant benchmark, and adjusted for risk and fees. The SARS tax treatment depends on the type of return (interest, dividends, or capital gains) and the wrapper in which the investment is held. Tax-free savings accounts and retirement fund wrappers offer meaningful tax advantages for long-term investors. Costs compound over time and deserve as much attention as headline returns.