Multi-Asset Funds: How They Work and When to Use Them

Multi-asset funds are one of the most practical investment solutions available to individual investors. By combining equities, bonds, property, commodities, and cash within a single vehicle — managed to a target risk grade — they remove much of the complexity from portfolio construction. One fund selection replaces the need to maintain and rebalance multiple individual holdings.

For investors who lack the time, expertise, or inclination to manage a portfolio of individual funds, a quality multi-asset fund can be a genuinely efficient solution. For more sophisticated investors, the question is whether the simplicity is worth the additional cost and reduced control.

This guide explains how multi-asset funds work, the specific fund ranges worth knowing, when they are and are not appropriate, and what to look for when choosing between them.

What Is a Multi-Asset Fund?

A multi-asset fund holds a mixture of asset classes within a single investment vehicle. Unlike a pure equity fund (which holds only equities) or a pure bond fund (which holds only bonds), a multi-asset fund might hold:

• 60% global equities
• 25% global bonds and fixed income
• 10% property and real assets
• 5% cash and alternatives

The precise allocation varies by fund and by risk grade. The fund manager — or the index methodology, for passive funds — maintains the allocation and rebalances when it drifts, typically quarterly or semi-annually.

The investor buys a single fund and benefits from all the underlying diversification. This is the core appeal.

The Risk-Graded Range

Multi-asset funds are typically offered across a risk spectrum, defined primarily by their equity content:

Cautious / Defensive (20–40% equities): Primarily fixed income and cash, with limited equity exposure. Low expected return, low expected volatility. Suitable for investors with short time horizons, very low risk tolerance, or specific capital preservation objectives. During equity market falls, these funds provide meaningful protection. During equity bull markets, they significantly lag.

Balanced (40–60% equities): The classic "balanced" allocation. Meaningful equity exposure for growth, with substantial fixed income for stability. This range has historically delivered reasonable long-run returns with moderate drawdowns. Suitable for investors with a 5–10 year horizon and medium risk tolerance.

Growth (60–80% equities): Predominantly equity, with bonds and real assets providing some cushion. Significantly more volatility than balanced, with commensurately higher long-term return potential. Suitable for investors with 7–10+ year horizons and higher risk tolerance.

Adventurous (80–100% equities): Almost entirely equity, with minimal defensive allocation. In practice, close to a simple global equity fund. Suitable only for investors with very long time horizons, high risk tolerance, and the psychological ability to stay invested through major market falls.

The risk grade is the most important initial selection criterion. A fund that is too cautious will deliver insufficient growth over your investment horizon. One that is too adventurous will expose you to drawdowns that may cause you to sell at the wrong time or fail to meet a near-term financial goal.

Specific Multi-Asset Fund Ranges

Several fund ranges are widely used in UK and international markets:

Vanguard LifeStrategy (index-based): One of the most popular multi-asset solutions globally. Available in five risk grades from 20% equity to 100% equity. Holds low-cost Vanguard index funds covering global equities and bonds. Ongoing charges are very low — among the cheapest available. The limitation is that the underlying index funds are mostly sterling-hedged on the bond side and the equity allocation has a bias toward UK equities relative to global weights.

BlackRock MyMap (factor-based): Uses a factor-tilted approach within a risk-graded structure, sitting between pure passive and active. Available across five risk grades. Competitive charges. The factor approach targets better risk-adjusted returns than simple cap-weighted indexing.

Royal London Governed Portfolios: An actively managed multi-asset range from a mutual insurer, designed primarily for use within pensions (particularly group personal pensions). Solid track record, competitive charges for active management, wide platform availability.

Rathbone Strategic Growth Portfolio: An actively managed, unconstrained multi-asset fund targeting long-term growth with a quality bias. Higher charges than the passive options but with genuine active management, a transparent investment process, and a respectable long-term track record. Better suited to investors prepared to pay for active management and monitor results.

Fundsmith Sustainable Equity / Trojan Fund: While not strictly multi-asset, these funds take a quality-focused approach and are popular within multi-asset portfolios. The Trojan Fund has a genuine capital preservation remit and low equity allocation.

The Case for Multi-Asset Funds

Simplicity. A single fund selection replaces the need to build, maintain, and rebalance a portfolio of individual funds. For investors who find portfolio management burdensome or who cannot commit regular time to reviewing their holdings, this simplification has genuine value.

Automatic rebalancing. The fund manager maintains the target allocation. When equities outperform and grow beyond their target weight, the fund automatically trims and redistributes. The investor benefits from disciplined rebalancing without any action.

Appropriate for SIPP and pension use. A single multi-asset fund within a SIPP (Self-Invested Personal Pension) is a common and sensible approach for investors who do not want to select and manage a pension portfolio themselves. Many pension platforms default to multi-asset funds for exactly this reason.

Access to a wider asset class mix. A small investor who could not practically build a diversified portfolio of individual bonds, property REITs, commodities ETFs, and international equities can access all of these through a single multi-asset fund with a relatively small investment.

The Case Against Multi-Asset Funds

Ongoing charges are higher than building the equivalent portfolio from ETFs. Even the cheapest multi-asset funds (Vanguard LifeStrategy: approximately 0.22% ongoing charge figure) are more expensive than assembling an equivalent portfolio from the cheapest ETFs (approximately 0.05–0.10% in total). For large portfolios, this difference compounds over decades into a meaningful sum.

You cannot control individual exposures. If you hold a balanced multi-asset fund but want to overweight emerging markets or underweight UK equities, you cannot. You are accepting the fund manager's asset allocation decisions.

Closet benchmark-hugging in active ranges. Some active multi-asset funds charge active management fees but hold portfolios that are barely distinguishable from a passive equivalent. Before selecting an active multi-asset fund, analyse how different the actual holdings are from a simple passive combination.

Manager change risk. Active multi-asset funds are often associated with a named manager or investment team. Manager changes can significantly alter the investment approach and performance characteristics.

Currency considerations for international investors. Most UK-listed multi-asset funds are sterling-denominated and may have a UK equity and gilt bias that is not appropriate for investors whose spending is in euros, dirhams, or another currency.

The Offshore Bond Multi-Asset Approach

A highly practical approach for internationally mobile investors is to hold a single multi-asset fund inside an offshore bond wrapper.

The structure:

• The offshore bond is the legal wrapper, providing the tax-deferral benefits.
• Inside the bond, a single risk-graded multi-asset fund provides diversified investment exposure.
• The investor receives the simplicity of a single fund, the tax efficiency of the offshore bond, and the flexibility to switch between risk grades within the bond without triggering a chargeable event.

This is an extremely clean structure for a globally mobile investor: one wrapper, one fund, reviewed annually, with no multi-jurisdictional tax complexity from trading underlying securities.

How to Choose a Multi-Asset Fund

When evaluating multi-asset funds, focus on:

Ongoing charge figure (OCF). This is the total annual cost, expressed as a percentage of assets. Lower is better, all else being equal. For passive multi-asset funds, expect 0.1–0.3%. For active, 0.4–0.9%.

Risk grade consistency with your objective. Confirm that the fund's historical equity allocation has stayed true to its stated risk grade and has not drifted materially in response to market conditions.

Manager track record. For active funds, evaluate the track record over at least five and ideally ten years, comparing against both a relevant index and a passive alternative at the same risk grade. Track record is not a guarantee of future performance, but it provides useful evidence of the investment approach in practice.

Morningstar rating. The Morningstar rating system provides a standardised assessment of risk-adjusted historical returns. A Morningstar Gold or Silver Analyst Rating reflects qualitative analysis of the investment process, team, and strategy. It is not infallible but is a useful starting point.

Platform availability. Confirm the fund is available on the platform or within the wrapper structure you intend to use.

How Global Investments Can Help

At Global Investments, we help internationally mobile clients select and implement multi-asset fund solutions appropriate to their risk profile, time horizon, currency requirements, and tax situation. We can advise on the most tax-efficient wrapper, the most appropriate risk grade, and the best fund or combination of funds to achieve your objectives.

We are independent — we receive no commission or payments from fund managers, and our recommendations are based solely on what is right for your circumstances.

Please note that all investments carry risk. The value of multi-asset fund investments can fall as well as rise, and you may receive back less than you invest. Past performance is not a reliable guide to future returns. This guide is for information purposes only and does not constitute personalised financial advice. Always seek professional advice relevant to your specific situation.