SEI Manager Research: Our Solution to the Peer Group Problem
Performance is the most ubiquitous and common piece of information used to assess the success of an investment strategy. Most investors use it to decide whether to hire or fire a manager.
In our view, however, it can also be deceptive, especially when there are thousands of investment products from which to choose1.
One popular method of simplifying hiring and firing decisions is to designate a peer group or universe to compare manager performance. Databases such as eVestment, Morningstar and Lipper classify investment strategies into one or more peer groups, such as Large Growth or Foreign Blend.
The problem
Off-the-shelf peer universes may seem to be the most convenient solution for comparing investment managers. However, we believe that they are not usually the most accurate way to assess performance. Assigning strategies to peer groups is not as simple as it sounds. Classifying a manager in the wrong peer group may lead to false conclusions about the manager’s skill—or even expectations of when the manager may perform well or struggle, which may lead to poorly-timed firing or hiring decisions.
We see three issues with using off-the-shelf peer groups.
- Most are often overly broad; a given group may have hundreds of managers who really are not very similar.
- Peer-group classifications may be based on return patterns or (in some cases) the manager’s own judgment, which may lead to inconsistency.
- A significant number of managers don’t fit nicely or easily into the traditional style boxes of value, growth and core (or blend), forcing comparisons that don’t make sense.
Our solution
Instead of relying on third-party off-the-shelf peer universes, we have built our own.
We engage in ongoing research to identify the factors that contribute to a portfolio outperforming its benchmark, which are often referred to as drivers of excess return—or alpha sources. We do this through a combination of conducting proprietary market analysis and modeling, engaging with external investment managers and reviewing third-party academic research.
Our alpha sources fall into two broad categories: systematic (which are tied to quantifiable historical market inefficiencies) and idiosyncratic (which are generated by unique insights of traditional active managers).
We proxy alpha-source drivers through a series of closely correlated factors (in terms of both risk and return) that depict common characteristics associated with that alpha source.
Below is a table that includes examples of our alpha sources and factors.
SEI Manager Research leverages its insights, understanding and implementation of alpha-source drivers to create bespoke peer universes that share common portfolio characteristics of actual manager holdings—not manager judgment or past performance. These holdings provide portfolio-level factor exposure data, which is used in a proprietary decision-tree algorithm to determine the most appropriate peer group for each manager.
We believe a holdings-based approach is the soundest way to create peer group cohorts because it reflects the decisions that are within a manager’s control. The manager determines what securities it buys or sells and the characteristics those securities embody. Returns are not something within a manager’s control, and relying on self-selected descriptions does not yield empirical consistency due to a lack of a common framework.
The factors we use are those that we believe are the most closely associated with our systematic alpha sources. We conduct analysis on a regular basis to help ensure our peer group universes reflect the most recent data available.
How this benefits our clients
Using our own peer groups—rather than the broader off-the-shelf peer groups—allows us to view the investment manager universe through an alpha-source lens instead of a traditional style-box lens.
Our peer universes tend to be much narrower than off-the-shelf alternatives, which means that the investment managers in each universe tend to be highly similar. Thus, we can more accurately compare manager performance and determine whether a manager’s performance is the result of luck or skill.
This approach helps to better distinguish beta from alpha, which can be useful in assessing appropriate fees to pay investment managers.
Our peer group work also allows us to refine our due-diligence efforts, gaining efficiency in focusing on key aspects that matter most to the manager’s investment philosophy and process.
Our proprietary factor analysis uses data that reach back by more than a decade. The resulting information provides us with insight into a strategy’s consistency (or lack thereof) in style over time. Knowing how an investment manager’s portfolio has changed over the years through various market environments helps us to understand how it may change going forward. This allows us to more accurately set performance expectations and better communicate our beliefs about how a manager should perform in a given environment.
Finally, our peer universes provide valuable information about investment managers that are not currently active on SEI’s platform. This knowledge can help us make portfolio construction decisions when working with clients who had previously invested with managers with whom we are unfamiliar.
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The information contained herein is for general and educational information purposes only and is not intended to constitute legal, tax, accounting, securities, research or investment advice regarding the Strategies or any security in particular, nor an opinion regarding the appropriateness of any investment. This information should not be construed as a recommendation to purchase or sell a security, derivative or futures contract. You should not act or rely on the information contained herein without obtaining specific legal, tax, accounting and investment advice from an investment professional. This material represents an assessment of the market environment at a specific point in time and is not intended to be a forecast of future events, or a guarantee of future results.
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