Investing and allocating capital
What Is a Practical Way to Estimate How Much Investment Risk a Family Can Bear?
Short answer. Estimate risk capacity by mapping spending, near-term obligations, liquidity, and existing concentration, then test how the portfolio would respond to losses and delayed cash flows. The family can bear only the risk it can withstand without disrupting its commitments or being forced to sell assets at a poor time.
A practical estimate starts with what the family must pay, when it needs liquidity, and how much loss it can absorb without disrupting its plans. Then test the portfolio under adverse conditions. This gives you a more useful measure of risk capacity than a general label such as conservative or aggressive.
Map Obligations and Available Liquidity
List expected spending, taxes, debt payments, capital calls, and other commitments by timing. Separate assets that can be sold promptly from holdings that may take years to exit or may only return capital on a manager's schedule. Include operating businesses and concentrated positions, since their value and liquidity can change together during a downturn.
Compare those obligations with cash and other resources that can be accessed without relying on a favorable market. The objective is to see whether the family has room to wait when an investment falls or distributions are delayed. The capital call and liquidity planner can help organize expected calls alongside available liquidity.
Stress Losses and Recovery Time
Model a range of losses and ask what each would mean for family spending and commitments, as well as how it could shape choices. A decline may be temporary, but the time and return required to recover can be material. In The Single Family Office, I discuss how a portfolio down 20% needs a 25% gain to return to its starting point. Larger losses require still stronger gains to get back to even.
Do not treat every asset as if it will respond the same way. A liquid public holding, a private fund, and a property investment financed with debt each have different risks. Test slower distributions, lower income, higher costs, and a longer hold period. Ask whether the family could meet obligations without selling assets that are down or borrowing on unfavorable terms.
Include Concentration and Behavior
Risk capacity also depends on where wealth is concentrated. A family whose wealth depends on one business may have less room for another investment tied to the same industry or economic conditions. Map exposures across operating businesses, funds, direct deals, and real estate. Then consider how a severe decline could affect both the portfolio and family cash flow.
Be candid about how the family tends to respond under pressure. If a drawdown is likely to trigger a sale or a change of strategy, that behavior affects how much risk the family can carry in practice. My experience is that a sound plan needs to account for the family's ability to hold through a difficult period, along with the expected return on paper.
Set Limits the Family Can Review
Write down liquidity needs, concentration limits, acceptable loss scenarios, and conditions that require the investment committee to review the plan. Revisit them when spending, debt, or business exposure changes. The investment plan and changing spending needs question can help frame that review. For governance context, see single family office governance and planning investments around tax payments. Talk with your attorney or CPA about legal and tax specifics.
The way the "101" compounding works is that an investor would need a roughly 60% return to break even in the S&P versus only a 25% return to break even in the CSBHFI.
Sources: The Single Family Office. Informational only, not financial, legal or tax advice.