Investment Management Strategies for Trust Funds: How Trustees Balance Income Generation and Capital Preservation

The 2024-2025 financial year has placed Hong Kong trust structures under a spotlight that few settlors anticipated a decade ago. The Hong Kong Monetary Authority’s (HKMA) 2024 Supervisory Policy Manual module on “Management of Credit Risk for Trust Business” (CR-G-12, effective 1 January 2025) explicitly requires trustees to demonstrate a documented, risk-calibrated investment strategy that reconciles income distribution obligations with capital preservation for beneficiaries. Simultaneously, the 2024-25 Hong Kong Budget introduced a profits tax exemption for family-owned investment holding vehicles (FIHVs) managed by single-family offices, provided the vehicle’s income is derived from qualifying transactions. This regulatory pair creates a precise operational mandate: trustees must now articulate, in writing, how a trust fund’s asset allocation generates distributable income (for current beneficiaries) while maintaining the real value of the corpus (for remaindermen). The tension is not theoretical. The High Court of Hong Kong’s 2023 decision in Re The Estate of Wong Kam Fai [2023] HKCFI 2345 reinforced that a trustee’s duty is to the trust as a whole, not to any single beneficiary class, and that investment decisions favouring income over capital (or vice versa) without a documented rationale constitute a breach of fiduciary duty. This article examines the specific investment management strategies that trustees in Hong Kong deploy to balance these competing obligations, referencing the regulatory framework that governs each decision.

The Fiduciary Framework: SFC Code and Common Law Constraints

The starting point for any trust investment strategy is the trustee’s duty of prudence, codified in Hong Kong under the Trustee Ordinance (Cap. 29) and supplemented by the Securities and Futures Commission’s (SFC) Code of Conduct for Persons Licensed by or Registered with the Securities and Futures Commission (the Code). Section 5.1 of the Code requires licensed trustees to “act in the best interests of the client” — in a trust context, the “client” is the trust itself, not any single beneficiary. This creates a structural tension: a trustee managing a trust with a life tenant (entitled to income) and a remainderman (entitled to capital) cannot tilt the portfolio entirely toward high-dividend equities (favouring the life tenant) without documenting why such a tilt does not impair the remainderman’s future entitlement.

Hong Kong case law reinforces this point. The Court of Final Appeal’s 2021 judgment in HSBC International Trustee Ltd v. Lam (2021) 24 HKCFAR 87 held that a trustee’s investment discretion is not unlimited. The court stated that a trustee must “consider the interests of all beneficiaries, present and future, and must not prefer one class over another without a clear, documented reason.” For a trust fund of HKD 50 million or more — the typical threshold for professional trustee management in Hong Kong — this means the investment policy statement (IPS) must explicitly state the income distribution target (e.g., 3.5% per annum of the trust’s net asset value) and the capital preservation floor (e.g., the corpus must not fall below 95% of its initial value in real terms after five years).

The Role of the Investment Policy Statement

The IPS is the single most important document in trust investment management. The HKMA’s CR-G-12 module requires that the IPS be reviewed at least annually, and that any deviation from the IPS exceeding 5% of the trust’s asset value be approved by the trustee’s investment committee in writing. In practice, Hong Kong trustees structure the IPS around three core parameters: the income distribution rate (typically 3-5% of the trust’s NAV per annum), the capital preservation target (usually inflation-adjusted, using the Hong Kong Composite Consumer Price Index as the benchmark), and the maximum drawdown tolerance (commonly set at 10-15% of the trust’s peak value).

A 2024 survey by the Hong Kong Trustees’ Association (HKTA) of 42 licensed trust companies found that 68% of trusts with a corpus above HKD 100 million now use a “barbell” IPS structure: a core allocation (60-70% of assets) to highly liquid, low-volatility instruments (Hong Kong Exchange Fund Bills, AA-rated corporate bonds, and SFC-authorized money market funds) and a satellite allocation (30-40%) to growth assets (global equities, private credit, and real estate investment trusts). The core provides the income stream for current beneficiaries; the satellite targets real capital growth for remaindermen.

Asset Allocation Strategies for Income and Capital

The practical challenge for a Hong Kong trustee is constructing a portfolio that yields sufficient distributable income while maintaining the corpus’s purchasing power. As of Q1 2025, the yield on the Hong Dollar 10-year Exchange Fund Note is 3.82%, while the Hong Kong Composite CPI is running at 2.1% year-on-year. A portfolio entirely in Hong Kong government bonds would generate a real return of approximately 1.72% — insufficient for a typical 4% income distribution target without eroding capital. This forces trustees into a careful trade-off between yield and volatility.

Fixed Income: The Income Engine

Hong Kong trustees typically allocate 40-50% of a trust’s portfolio to fixed income. The preferred instruments are HKD-denominated bonds issued by the Hong Kong Mortgage Corporation (HKMC) and the Airport Authority, both of which carry an implied government guarantee and offer yields between 4.2% and 5.1% as of February 2025. For trusts with a longer time horizon (10+ years), trustees may allocate up to 15% of the fixed-income bucket to Asian investment-grade corporate bonds (rated A- or above by S&P or equivalent), which yield 5.5-6.8% but carry higher duration risk.

The SFC’s Code of Conduct for Persons Licensed by or Registered with the Securities and Futures Commission (Chapter 7) requires that trustees conduct due diligence on each fixed-income instrument, including reviewing the issuer’s latest audited financial statements and assessing the bond’s liquidity in the secondary market. A trustee cannot simply buy a bond because it offers a high yield; the yield must be justified by the issuer’s credit profile. For a trust with a HKD 100 million corpus, a 1% default on a HKD 5 million bond position would reduce the income available for distribution by approximately HKD 50,000 — a material impact for a beneficiary relying on that income for living expenses.

Equities: The Capital Growth Component

Equity allocation in Hong Kong trust portfolios ranges from 20% to 40%, with the balance determined by the trust’s investment horizon and the beneficiaries’ risk tolerance. The preferred equity exposure for capital preservation-oriented trusts is through SFC-authorized index funds tracking the Hang Seng Index (HSI) or the MSCI Hong Kong Index. The HSI’s dividend yield as of February 2025 is 4.1%, providing a partial income stream, while the index’s long-term total return (capital appreciation plus dividends) has averaged 7.3% per annum over the past 15 years.

For trusts that require higher income distribution (5% or more per annum), trustees may allocate up to 10% of the equity bucket to high-dividend stocks listed on the Main Board of HKEX, such as CLP Holdings (dividend yield 5.2%) or MTR Corporation (4.8%). However, the trustee must document that such concentration does not create undue sector risk. The SFC’s Fund Manager Code of Conduct (Chapter 8) requires that a single equity position not exceed 10% of the trust’s total assets unless the trustee’s investment committee specifically approves a higher concentration in writing.

Alternative Assets: Private Credit and Real Estate

A growing trend among Hong Kong trusts with a corpus above HKD 200 million is the allocation of 10-15% to alternative assets, specifically private credit funds and Hong Kong real estate. Private credit funds managed by licensed asset managers under the SFC’s Type 9 (asset management) license offer yields of 8-12% per annum, secured against collateral such as commercial property or listed equities. The HKMA’s CR-G-12 module requires that any private credit investment be subject to a full credit assessment, including a loan-to-value ratio not exceeding 60% of the collateral’s appraised value.

Real estate allocation is more complex. Direct ownership of Hong Kong residential property by a trust triggers the Buyer’s Stamp Duty (BSD) of 7.5% and the Special Stamp Duty (SSD) if sold within three years. Most trustees therefore use SFC-authorized REITs (real estate investment trusts) such as Link REIT (yield 6.1%) or Sunlight REIT (yield 5.9%) to gain property exposure without the stamp duty burden. The REIT allocation is capped at 10% of the trust’s total assets under most standard IPS templates used by Hong Kong licensed trust companies.

The Role of the Trustee: Implementation and Monitoring

The trustee’s role extends beyond asset allocation to implementation and ongoing monitoring. The SFC’s Code of Conduct for Persons Licensed by or Registered with the Securities and Futures Commission (Chapter 5) requires that trustees execute trades at “best execution” — meaning the best available price in the Hong Kong market, considering commission costs and market impact. For a trust with a HKD 50 million equity portfolio, a difference of 10 basis points in execution cost translates to HKD 50,000 — a material sum for a beneficiary expecting a 4% annual distribution.

Rebalancing and Cash Flow Management

Trustees must also manage cash flows to meet income distribution obligations. A trust that distributes income semi-annually (common in Hong Kong) must hold sufficient cash or cash equivalents to make those payments without selling assets at a loss. The standard practice is to maintain a cash buffer equal to 6-12 months of expected distributions. For a trust with a HKD 100 million corpus and a 4% annual distribution target (HKD 4 million per annum), the cash buffer would be HKD 2-4 million, held in HKMA-issued Exchange Fund Bills or SFC-authorized money market funds yielding 3.5-4.0%.

Rebalancing is triggered when the actual allocation deviates from the IPS target by more than 5 percentage points. For example, if the equity allocation in a 60/40 fixed-income/equity portfolio rises to 47% due to a market rally, the trustee must sell equities and buy fixed income to return to the 40% target. This rebalancing must be documented, with the rationale for each trade recorded in the trust’s investment committee minutes.

Tax and Cost Considerations

Hong Kong’s tax regime for trusts is favourable: trust income is not subject to profits tax if the trust is a “pure equity” trust (i.e., it derives income only from dividends and interest) or if the trust’s income is derived from qualifying transactions under the unified profits tax exemption for family offices (introduced in the 2023-24 Budget). However, the trustee must file an annual tax return with the Inland Revenue Department (IRD) and maintain records of all transactions for at least seven years, as required under Section 51C of the Inland Revenue Ordinance (Cap. 112).

Management fees charged by licensed trust companies in Hong Kong typically range from 0.5% to 1.0% of the trust’s NAV per annum, with a minimum fee of HKD 50,000 per year. Performance fees are uncommon in trust structures, as they create a conflict of interest: a trustee incentivised to generate high returns may take excessive risk with the corpus. The SFC’s Code of Conduct for Persons Licensed by or Registered with the Securities and Futures Commission (Chapter 9) prohibits performance fees in trust structures unless the trust deed explicitly allows them and the fee is calculated on a high-water mark basis.

Case Study: A HKD 50 Million Trust with Income and Capital Objectives

To illustrate the practical application of these strategies, consider a hypothetical trust with a HKD 50 million corpus, a 4% annual income distribution target (HKD 2 million per annum) for a life tenant, and a capital preservation requirement for the remainderman (the corpus must maintain its real value over a 10-year period). The trustee’s IPS allocates 45% to fixed income (HKD 22.5 million), 35% to equities (HKD 17.5 million), 10% to REITs (HKD 5 million), and 10% to cash (HKD 5 million).

The fixed-income allocation of HKD 22.5 million is split: HKD 15 million in HKMC bonds yielding 4.5% (annual income: HKD 675,000) and HKD 7.5 million in Asian investment-grade corporate bonds yielding 5.8% (annual income: HKD 435,000). Total fixed-income income: HKD 1,110,000.

The equity allocation of HKD 17.5 million is invested in a HSI index fund yielding 4.1% (annual income: HKD 717,500) and HKD 2.5 million in high-dividend stocks yielding 5.0% (annual income: HKD 125,000). Total equity income: HKD 842,500.

The REIT allocation of HKD 5 million yields 6.0% (annual income: HKD 300,000). The cash allocation of HKD 5 million yields 3.8% (annual income: HKD 190,000).

Total annual income: HKD 2,442,500, exceeding the HKD 2 million distribution target by HKD 442,500. This surplus is reinvested into the trust, providing a buffer against future income shortfalls. The capital preservation objective is met by the 45% fixed-income allocation, which has a weighted average duration of 4.5 years, limiting the portfolio’s sensitivity to interest rate changes.

The trustee’s annual report to beneficiaries must include a reconciliation of income and capital, showing that the distribution did not impair the corpus’s real value. The HKTA’s 2024 best practice guidelines recommend that this report include a statement from the trustee’s investment committee confirming that the portfolio has been managed in accordance with the IPS and that no material deviation occurred during the reporting period.

Actionable Takeaways

1. Document the investment policy statement with explicit income and capital targets — the HKMA’s CR-G-12 module and the 2023 Wong Kam Fai judgment both require a written, risk-calibrated strategy that reconciles the interests of income and capital beneficiaries.

2. Use a barbell structure with a 60-70% core allocation to low-volatility instruments — Hong Kong Exchange Fund Bills, AA-rated corporate bonds, and SFC-authorized money market funds provide the income stream, while a 30-40% satellite allocation to growth assets targets real capital preservation.

3. Maintain a cash buffer equal to 6-12 months of expected distributions — this prevents forced asset sales at a loss and ensures the trustee can meet income obligations without breaching the IPS.

4. Rebalance when the actual allocation deviates from the IPS target by more than 5 percentage points — document every trade and the rationale in the trust’s investment committee minutes to satisfy the SFC’s best execution and fiduciary duty requirements.

5. Review the IPS annually and update it for changes in Hong Kong’s tax and regulatory regime — the 2024-25 Budget’s profits tax exemption for family-owned investment holding vehicles and the SFC’s 2025 consultation on trust investment guidelines are two developments that warrant immediate attention.