Nationwide 401(k) Fiduciary Oversight: What Sponsors Own

Nationwide 401(k) fiduciary oversight is often misunderstood by the very people who carry it. When you hire Nationwide as your recordkeeper, you hand off administration, not responsibility. The law still treats you, the plan sponsor, as the fiduciary. That means the duty to monitor fees, vet investments, and act in the sole interest of participants stays on your side of the table. What follows lays out what those duties cover, where gaps tend to form, and how to document the oversight that protects both your participants and you.

Who Holds Fiduciary Responsibility for a Nationwide 401(k)?

The plan sponsor holds it. Hiring Nationwide to run recordkeeping and administration does not transfer fiduciary status. Under ERISA, the named fiduciary and the plan sponsor keep the duty to select, monitor, and replace providers and investments, and to act prudently for participants at all times.

This distinction matters because a recordkeeper and a fiduciary do different jobs. Nationwide processes contributions, tracks balances, sends statements, and maintains the platform participants log into. Those are administrative functions. They do not carry the legal obligation to decide whether the investment menu is prudent, whether the fees are reasonable, or whether the plan still serves the people in it. That obligation sits with you, and ERISA holds you to a high standard when you exercise it.

What Plan Sponsor Fiduciary Duties Actually Cover

ERISA frames the role around two anchors: the duty of loyalty and the duty of prudence. Loyalty means every decision is made in the sole interest of participants and their beneficiaries, not the company and not the provider. Prudence means you act with the care, skill, and diligence of someone familiar with these matters. In practice, those two anchors translate into a handful of concrete, recurring tasks.

• Fee reasonableness. Reviewing what the plan pays, including recordkeeping, advisory, and investment expenses, and confirming the total is reasonable for the services delivered. The 408(b)(2) disclosure is a starting point, not the full picture.
• Investment selection and monitoring. Choosing the fund menu against an objective standard and reviewing it on a set schedule, so underperforming or overpriced options can be replaced.
• Investment policy statement. Maintaining a written IPS that defines how investments are selected, measured, and removed, so decisions follow a documented process rather than improvisation.
• Service provider oversight. Confirming that Nationwide and any advisor or third-party administrator continue to deliver what they were hired to do at a fair price.
• Documentation. Keeping records of meetings, decisions, benchmarking, and the reasoning behind each choice, because a prudent process you cannot prove is hard to defend.

When markets get volatile, clarity matters.

Download our educational guide, How to Protect Your Wealth in Challenging Markets.

Download the guide

3(21) vs 3(38): Does Outsourcing Remove Your Liability?

Many sponsors try to reduce exposure by hiring an outside investment fiduciary. There are two common forms, and they shift different amounts of responsibility. Neither one erases your role entirely.

A 3(21) investment fiduciary acts as a co-fiduciary. They recommend, but you retain the discretion and the final decision, so you share the liability for what gets chosen. A 3(38) investment manager takes discretion over the fund menu and accepts fiduciary liability for those investment decisions directly. That can lower your investment-level exposure meaningfully.

Here is the part that surprises people. Even after hiring a 3(38), you keep the duty to prudently select and monitor that manager. You chose them, and you have to confirm they continue to do the job well. Outsourcing the investment decisions does not outsource the duty to watch the person you handed them to.

Where Oversight Gaps Show up in a Nationwide Plan

Fiduciary breaches rarely come from bad intentions. They come from gaps in a process that nobody owned. On a Nationwide plan, the recordkeeping can run smoothly for years while the oversight quietly erodes. A few patterns recur.

• Fees nobody benchmarked. The plan keeps paying the same rate while the market gets cheaper, and no one documents whether the cost is still reasonable.
• A stale fund menu. Funds that lagged for years stay on the menu because no schedule forced a review.
• No investment policy statement. Decisions get made case by case with no written standard to point back to.
• Thin documentation. The committee may be doing the right things, but without minutes and records it cannot prove a prudent process.
• No regular meetings. Oversight that happens only when something breaks is not oversight.

Each gap can raise ERISA exposure, and that exposure can reach the people who serve as fiduciaries personally, not just the company. Personal liability is one reason fiduciary duty deserves the same attention you give the rest of the business.

How to Document and Review Fiduciary Oversight

The defense against a breach claim is a documented, repeatable process. You do not have to be perfect. You have to be prudent, and you have to be able to show it. A workable cadence usually includes a written IPS, scheduled investment and fee reviews, benchmarking records, and minutes that capture what was decided and why.

Many sponsors lean on outside investment risk management support and a defined review calendar to keep the process honest between meetings. A fiduciary advisor can sit on the investment side as a 3(21) or 3(38), help build the IPS, benchmark the fees, and keep the documentation current. The goal is a plan you can defend on any given day, built on a philosophy of Preserve. Strengthen. Grow.™ for the people who depend on it.

Plan design choices belong in the same review. A self-directed brokerage account is one example: it is available for plans where the sponsor elects to offer it, and that election is a fiduciary decision documented like any other. When participants change jobs, the questions around a 401(k) rollover also touch the plan. A coordinated approach across the whole 401(k) and workplace plans picture tends to serve sponsors better than handling each piece in isolation. For business owners, the broader work of running an efficient plan is covered in the guide on how to maximize your 401(k) plan.

Frequently Asked Questions

Is Nationwide a Fiduciary on My 401(k) Plan?

Generally, no. As a recordkeeper, Nationwide handles administration, not fiduciary decision making. The plan sponsor and any named fiduciary keep the duty to select investments, monitor fees, and act for participants. A provider only takes on fiduciary status when it is specifically hired and contracted to do so.

What Does 3(21) vs 3(38) Mean for My Liability?

A 3(21) advisor recommends while you keep the final decision, so you share investment liability. A 3(38) manager takes discretion and accepts liability for the investment choices. Either way, you keep the duty to prudently select and monitor the fiduciary you hire.

Can I Fully Eliminate Fiduciary Liability by Outsourcing?

No. Outsourcing can reduce specific areas of exposure, especially at the investment level with a 3(38). It cannot remove your duty to prudently choose and monitor your providers. That core responsibility stays with the plan sponsor regardless of who else is hired.

What Fiduciary Documents Should a Nationwide Plan Keep?

At a minimum, a written investment policy statement, fee benchmarking records, investment review notes, committee meeting minutes, and provider service records. These show that decisions followed a prudent, repeatable process. Strong documentation is often the difference between a defensible plan and an exposed one.

How Often Should Fiduciary Oversight Be Reviewed?

Many plans review investments and fees on a quarterly or semiannual schedule, with a fuller annual review of the providers and the IPS. The right cadence depends on plan size and complexity. What matters is that the schedule is set in advance and actually followed, not triggered only by problems.

What Is an Investment Policy Statement and Do I Need One?

An IPS is a written document that defines how plan investments are selected, measured, and replaced. It is not legally required, but it is widely treated as a hallmark of a prudent process. Without one, investment decisions can look improvised, which is harder to defend if questioned.

What Are Common Fiduciary Breaches in a 401(k)?

Frequent issues include paying unreasonable fees, failing to monitor and replace poor investments, and keeping no documentation of decisions. Many breaches trace back to a missing process rather than a single bad choice. A documented review routine prevents the most common ones. The guide for business owners covers this in more depth.

Where Can a Plan Sponsor Get Fiduciary Support?

A fiduciary advisor can serve on the investment side, help build and maintain the IPS, benchmark fees against the market, and keep oversight documentation current between meetings. The aim is a prudent process the sponsor can show at any time, which protects both participants and the people serving as fiduciaries. Our 401(k) Fiduciary Oversight guide covers related considerations in more depth.