What shapes an investment philosophy? 

Two organizations with similar long-term objectives, risk tolerance and broadly similar circumstances may adopt very different portfolios. For instance, one may favor active management and allocations to private markets, the other may prefer a portfolio built largely around liquid, passive exposures. Both may be consistent with the objective, but the difference reflects contrasting beliefs about markets, risk and sources of long-term returns.

While different asset owners use different words, their mission, purpose or objectives are all terms used to establish what its assets are ultimately aiming to achieve. An investment philosophy and set of investment beliefs provides the principles for pursuing that goal; making them explicit helps to create a consistent framework for decision-making and improve communication with all stakeholders.

There is no universally correct portfolio. An effective governance model requires clarity about what an organization is trying to achieve, what it believes about investment outcomes and how those beliefs should shape the portfolio.

Without an agreed framework, fundamental questions can effectively be reconsidered each time a decision arises, or answered implicitly through legacy arrangements, adviser recommendations or reactions to recent market performance. A clear philosophy and set of investment beliefs can act as a 'north star' and give boards and investment committees a reference point against which individual decisions can be tested.

It can also help maintain discipline during periods of market stress. Rather than responding to every change in markets, an organization can ask whether developments genuinely challenge one of its fundamental assumptions, warrant a shift in strategy consistent with its beliefs, or are simply short-term noise.

The objective here is in achieving alignment, where all stakeholders of the organization understand what it is trying to achieve, what it believes about investing, and how its philosophy should manifest in its portfolio and behavior.

The process requires decisionmakers to work through the fundamental questions underpinning their investment approach and identifying where genuine institutional convictions exist.

These questions might include:

• Are markets generally efficient or do persistent inefficiencies exist?
• What rewarded risks are we willing and able to take?
• What does good diversification mean to us?
• How much illiquidity should we accept?
• Where is active management most likely to succeed?
• How will we judge whether the investment program is successful?

Each investment committee or board member does not necessarily need to agree on everything, but the goal is to find sufficient common ground to establish direction. Those conclusions can then be formally codified rather than remaining individual or implicit assumptions.

Consider active management. A statement that an institution believes active management “can add value in some circumstances” provides little practical guidance. A belief that active management should be considered in less efficient markets where skilled managers have greater scope to outperform is much more useful. When an allocation decision arises, the committee has a principle it can apply.

Actionability also needs to reflect institutional capabilities. An asset owner might believe that private markets offer a potential return premium, but that belief has limited practical relevance if it lacks the governance capacity, resources or due-diligence expertise required to invest in private markets effectively.

Once documented, the investment beliefs should have tangible consequences for portfolio construction and implementation.

Views on market efficiency can determine where active management is employed and where passive exposure is preferred. A belief that investors are compensated for accepting illiquidity and complexity, and benefit from skill in manager selection, can support an allocation to private markets. If an institution does not believe that such potential exists, accepting the additional costs, risks and liquidity constraints becomes much harder to justify.

The same principle applies to diversification, liquidity, sustainability and rebalancing. A philosophy provides the logic underpinning these choices.

Different institutions can legitimately reach different conclusions. What matters is that the resulting portfolio is consistent with the philosophy the organization has articulated and the objectives it is ultimately trying to achieve.

A committee may have well-articulated its philosophy and beliefs on paper, but they will be of limited value if decisions are unclear, performance is assessed over a timeframe inconsistent with the investment horizon, or implementation does not reflect the stated philosophy. 

Investment philosophy and beliefs are intended to provide consistency over time, but that should not make them immutable.

A high-level annual check, supplemented by a fuller review approximately every three years, can help ensure that the assumptions remain valid. More complex or specific frameworks may warrant more frequent consideration.

The purpose is not to rewrite the philosophy whenever markets move but instead question whether the assumptions underpinning it remain valid.

Changing a belief does not mean the original judgement was wrong. Markets, institutions and objectives evolve, so a durable framework should support consistent long-term decisions while allowing its assumptions to be challenged when circumstances materially change.