Updated 2026-09-27 · Global · General education

A collection of assets working toward a goal

You do not need dozens of investments, an economics degree or a complicated strategy to have a portfolio. Start with what the money must do, when it may be needed and how much uncertainty the goal can tolerate.

Portfolio construction connects a goal, asset allocation, investments and a holding structure.

How a portfolio fits together

A simple framework for building a portfolio

1. Goal: What are you investing for? Connect this to purpose and time horizon.

1. Goal
Purpose and time horizon

2. Asset allocation: How you split your money. Balance risk and return.

2. Asset allocation
Balance risk and return

3. Investments and funds: Choose the market exposure. Investments create exposure.

3. Investments and funds
Investments create exposure

4. Account, platform or wrapper: Choose how investments are held. Structure holds investments.

4. Account, platform or wrapper
Structure holds investments

Example: exposure to global companies through a global equity fund held in an investment account.

Global companies, global equity fund, investment account
Choose the purpose and time horizon first, then the mix, the investments and how to hold them.View full size

I already invest

Map the holdings, their purpose, overlap, concentration, fees and access. Then ask whether the mix still fits.

I am starting

Set the goal and time horizon, assess access needs, choose an asset allocation, then investments and a holding structure.

What the building blocks give you access to

InvestmentWhat it gives you access toHow it may be usedWhat to understand
SharesOwnership in businessesLong-term capital growth and dividend incomeCompany, sector, valuation and market exposure
BondsLending to governments or companiesIncome, diversification and differing stability characteristicsInterest rates, maturity, credit and currency
CashLiquidity and nominal stabilityEmergencies, planned expenditure and near-term commitmentsInflation, deposit arrangements and access
Mutual fundsA pool of investments managed to a mandateAccess to a strategy or diversified set of holdingsUnderlying assets, mandate, charges and dealing terms
ETFsA fund traded on an exchangeMarket or strategy exposure with exchange tradingHoldings, index or active approach, spreads and liquidity
REITsProperty businesses or property-related assetsProperty exposure and potential distributionsProperty sector, debt, rates and market pricing
AlternativesA wide range of non-traditional exposuresSpecific return sources or portfolio rolesStrategy, valuation, leverage, liquidity and fees
Structured notesA contractual payoff linked to reference assetsConditional income or a defined return patternCoupon conditions, barriers, issuer, maturity and exit terms
Assets, investment vehicles and holding structures are three distinct layers.
Separate what creates the market exposure from the vehicle and the account or structure used to hold it.View full size

Diversification is more than a longer investment list

Look across companies, industries, countries, currencies and asset classes. Three funds can still depend heavily on the same large technology shares. Employer stock plus a technology fund can also create overlap that is easy to miss.

Diversification can reduce dependence on a single outcome; it cannot prevent all losses. Relationships between assets can change, especially during stressed markets. Rebalancing means periodically returning to an intended mix, taking account of costs, tax and changed circumstances.

Several investments can conceal overlapping holdings and household concentration.

Diversification is more than a longer list

Check hidden overlap, seek a broader spread and review the whole picture.

1. Hidden overlap

Global equity, innovation and US growth can share technology exposure.

2. A broader spread

Consider companies, sectors, asset classes, currencies and countries across the portfolio.

3. The whole picture

Review your total exposure, including your job, business, home and employer stock.

Spread opportunity. Reduce concentration.

Look through fund names to the companies, sectors, countries and currencies underneath. Include employer exposure and other family assets.View full size

Mutual funds, ETFs and UCITS: avoid mixing the labels

Mutual funds and ETFs can hold many kinds of assets and can use active or index-based approaches. A broad index fund and a narrowly focused sector fund have different concentration risks even when both are ETFs. Check the mandate and holdings rather than relying on the label.

UCITS means Undertakings for Collective Investment in Transferable Securities. It is a European regulatory framework for funds with requirements around eligible investments, diversification, disclosure and safekeeping. A UCITS fund may be an ETF or another fund form. UCITS is not an asset class, a guarantee of capital or proof that a fund suits your needs.

Capital growth, income and total return

Capital growth means an increase in the value of the holding. Income can include interest, dividends and fund distributions. Total return considers both, and an investment can pay income while its price falls. A high distribution rate is not automatically a high economic return.

Accumulating fund units generally reinvest income within the fund; distributing units pay it out. The useful choice depends on access needs, costs and tax treatment. Selling units can also create cash flow, but withdrawals during a downturn can reduce the assets left to recover. Income should be considered alongside the sustainability of the whole portfolio.

Bonds and deposits are not interchangeable

A fixed coupon describes an interest payment, not a fixed resale price. A bond’s market value can change as interest rates and the issuer’s credit position change. A bond fund normally has no single maturity date on which your purchase price must be returned. Foreign-currency bonds add exchange-rate exposure.

A bank deposit has different contractual and regulatory features. Fixed-term deposits can restrict early access, and any protection depends on the bank, jurisdiction, eligible depositor and scheme limits. A money-market fund is an investment fund, not simply a protected bank account.

Structured notes create a defined return pattern

A note can complement other holdings through a payoff linked to specified market conditions. Understand the reference assets, observation dates, coupons and maturity outcome before deciding where it might fit. The contract and issuer matter as much as the market view.

Connect the investment mix to the goal

Cash for next year’s tuition has a different job from assets for retirement decades away. Consider how much money must be accessible, when it is needed, the currency of the bill and how a fall in value would affect the goal. Willingness to accept volatility and financial ability to absorb loss are not always the same.

A household can also be concentrated outside its investment accounts. Employment, a business and local property may all depend on one country or sector. Review the whole picture before deciding whether a new holding adds useful diversification.

Time, access needs and a goal help shape an investment mix.

Connect the mix to the goal

Time horizon, access and purpose

Near-term

Access and stability

Medium-term

Balance changing needs

Long-term

Time for growth

Questions to connect the mix to the goal

When?
Which currency?
How much flexibility?

Start with the goal.

Start with the goal and the usable time. The mix should reflect access needs and the ability to withstand changes in value.View full size

Rebalancing brings the mix back to the plan

Different holdings change value at different speeds. Periodically compare the resulting mix with the allocation you intended. Contributions, withdrawals or trades can bring it closer to that plan, allowing for costs and any tax consequences. This is a review of the plan, not a prediction of the next market move.

A portfolio can drift away from its intended mix; rebalancing brings it back toward the plan.

Rebalancing brings you back to plan

An illustrative example of portfolio alignment

Start with your chosen mix. Holdings can change in value and cause portfolio drift. Review and adjust to realign with your plan.

1. Chosen mix

Set your starting mix: shares, bonds and cash.

2. Portfolio drift

Holdings can change in value.

3. Realign with your plan

Review and adjust.

Keep your goals in view
Consider costs and tax
Review periodically

Stay aligned with your plan.

Rebalancing is periodic alignment with an intended allocation. It is not a prediction of which investment will perform best next.View full size

Questions worth taking into a portfolio review

What do I actually own, and where do the holdings overlap? Which costs sit at the fund, account and advisory levels? How quickly can I access money, and at what cost? How would a market fall affect a payment I cannot postpone? What changes if I move country?

Keep the investment choice separate from the structure holding it. The International Investing Structures Guide explains ownership, custody, platforms and insurance-based arrangements. The Compound Growth Calculator can explore assumptions, but it does not select investments or measure your personal tolerance for loss.

See what may deserve a closer look

Sources and scope

General investment concepts. Product terms, regulation and tax treatment vary by jurisdiction.

Educational reference; no asset allocation, product or personal suitability recommendation.

For information and guidance only. Results are illustrative, based on your assumptions, and are not personalised financial advice. Methodology & limitations