Understanding Investment Fiduciary Responsibility in a U.S. Retirement Plan

Understanding Investment Fiduciary Responsibility in a U.S. Retirement Plan
By Stephanie Day, Vice President, New Business Development, Retirement Plan Consulting, HORAN Wealth
 
For many international companies operating in the United States, sponsoring a corporate retirement plan is an important part of attracting and retaining employees. What often comes as a surprise, however, is the level of responsibility the U.S.-based employer assumes when offering that plan.

Unlike many retirement systems around the world, the U.S. private-sector retirement system relies primarily on defined contribution plans, an approach that places significant fiduciary responsibility on the plan sponsor. Whether those responsibilities are carried out by company leadership or a designated retirement plan committee, those overseeing the plan are expected to act in the best interests of participants and beneficiaries under U.S. law, especially as defined by the Employee Retirement Income Security Act of 1974 (ERISA), as amended. That responsibility extends far beyond simply offering a menu of investments.

Process Matters More Than Performance
One of the most common misconceptions I encounter is the belief that fiduciary success is measured by investment performance alone. While investment results are certainly important, ERISA recognizes that fiduciaries cannot control financial markets. What they can control is the process used to evaluate, select, and monitor investments.

ERISA's prudence standard, sometimes described in the industry as the "prudent expert" rule, requires fiduciaries to act with the care, skill, prudence, and diligence that a prudent person familiar with such matters would use. In practical terms, fiduciaries are expected to make informed decisions based on relevant information and the best interests of plan participants. That doesn't mean every investment decision will be perfect. It does mean there should be a thoughtful rationale behind the decision and a process for monitoring the outcome over time; both should be well documented.

In many ways, investment fiduciary oversight is similar to other business decisions. Success is not determined by a single outcome, but by the quality of the decision-making framework, governance structure, and ongoing oversight supporting those decisions.

Start with the Workforce
A prudent investment process begins long before individual funds are selected.
One of the first responsibilities of a plan fiduciary is determining how the investment menu should be structured. While it might seem that offering more choices is always better, effective plan design is really about aligning the investment lineup with the needs of the employee population.

Every workforce is different. Factors such as employee demographics, compensation levels, savings behaviors, workforce mobility, and retirement readiness can all influence how a plan's investment menu is designed. Some organizations may benefit from a streamlined lineup that emphasizes simplicity and ease of decision-making, while others may determine that a broader range of investment options is appropriate.

The goal is not to maximize the number of investment choices available. The goal is to provide participants with a diversified lineup that supports a variety of retirement goals, risk tolerances, and investment preferences.

Once the menu structure has been established, fiduciaries can focus on selecting the investments that will populate the plan's core lineup. This process often includes evaluating active and passive investment strategies, considering fees and expenses, assessing diversification, and ensuring the overall lineup supports long-term retirement outcomes.

The Importance of Default Investments
Another area that deserves particular attention is the plan's default investment.
Not every participant actively selects investments when enrolling in a retirement plan. For that reason, many plans designate a Qualified Default Investment Alternative, or QDIA, to receive contributions on behalf of participants who do not make an election.
When properly implemented, a QDIA provides additional fiduciary protections under Department of Labor regulations. However, fiduciaries remain responsible for prudently selecting and monitoring the QDIA itself. For many employers, the QDIA is a Target Date Fund.

Target Date Funds have become the most common default investment in retirement plans because they provide participants with a diversified portfolio that automatically adjusts as retirement approaches. Younger participants typically maintain greater exposure to riskier investments such as equities, while participants nearing retirement often see a shift toward more conservative investments. Target Date Funds are not guaranteed, and participants can experience losses, including near or after their target retirement date.
However, not all Target Date Funds are designed the same.

Some Target Date Fund series reduce equity exposure significantly as the participant's retirement date approaches, while others continue to maintain meaningful equity allocations well into retirement. These design differences can have a significant impact on participant outcomes and should be carefully evaluated.

When selecting a Target Date Fund series, fiduciaries should consider participant demographics, retirement patterns, workforce characteristics, fees, underlying investments, and overall investment philosophy. Simply accepting the default option offered by a recordkeeper may not be sufficient to satisfy fiduciary obligations.
 
Monitoring Is an Ongoing Responsibility
Perhaps the most important concept for plan sponsors to understand is that fiduciary responsibility does not end once investments are selected.

In fact, that is when the real work begins.

ERISA imposes an ongoing duty to monitor plan investments. Best practice is for fiduciaries to conduct periodic reviews, document the basis for decisions, and maintain a consistent evaluation process over time.
Investment performance is certainly one factor in that review, but it should not be the only factor. Fiduciaries should also evaluate fees, risk characteristics, management changes, investment style consistency, benchmark comparisons, and the continued appropriateness of each investment within the overall lineup.

Importantly, ERISA does not require fiduciaries to select the lowest-cost investment option. Rather, fiduciaries are expected to determine whether fees and expenses are reasonable relative to the value and services being provided.
Documentation is equally important. Investment committee meeting minutes, investment reviews, watch-list discussions, and records of fiduciary decisions help demonstrate that a prudent process is being followed. Courts and regulators have repeatedly emphasized that the duty to monitor is one of the core responsibilities of a retirement plan fiduciary.

A useful reminder for plan committees is that selecting investments is an event. Monitoring investments is a process.

Working with Outside Experts
Because retirement plan oversight can be complex, many employers engage outside professionals to assist with investment governance.

These relationships can take several forms.

Some advisors act in a non-fiduciary consulting capacity, providing information and recommendations while leaving all decision-making authority with the plan fiduciaries. (Whether an advisor is a fiduciary depends on the services provided, not simply the title.) Others serve as ERISA 3(21) co-fiduciaries, acknowledging fiduciary status in writing and sharing responsibility by making investment recommendations that fiduciaries may accept or reject.

Employers seeking greater delegation may hire an ERISA 3(38) investment manager. In this arrangement, the investment manager assumes discretion over investment selection and monitoring. A 3(38)-investment manager must be a registered investment adviser, bank, or insurance company and must acknowledge its fiduciary status in writing.

While these arrangements can significantly reduce the workload associated with investment oversight, they do not eliminate fiduciary responsibility altogether. Plan sponsors retain the responsibility to prudently select and monitor the professionals they hire.
In other words, fiduciary responsibility can be shared, and certain functions can be delegated, but oversight can never be completely outsourced.
 
A Final Thought
For companies sponsoring a U.S. retirement plan, understanding fiduciary responsibility is an important part of maintaining a successful benefits program.

The good news is that fiduciary success does not require predicting markets, identifying the next top-performing investment, or eliminating every possible risk. Instead, it requires establishing a thoughtful process, following that process consistently, documenting decisions, and keeping participants' best interests at the center of every action.

At HORAN Wealth, we often remind plan sponsors of a simple principle that continues to guide fiduciary best practices:
Prudence is about process, not perfection.

When employers focus on governance, documentation, and ongoing oversight, they put themselves in a stronger position to fulfill their fiduciary responsibilities while helping employees work toward more secure retirement outcomes.