When Participant Growth Becomes a Fiduciary Prompt — Not a Punchline

JD Supra Finance & Banking

Published April 6th, 2026

Detected April 6th, 2026

Summary

The Rosenbaum Law Firm published an analysis warning retirement plan sponsors that participant growth metrics do not equate to fiduciary compliance. The article uses Empower's reported addition of 500,000 net new retirement plan participants as context to highlight that larger participant populations increase operational complexity, testing nuances, and probability of service breakdowns.

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What changed

This article examines the gap between participant growth metrics and actual fiduciary compliance for retirement plan sponsors and providers. While Empower's addition of 500,000 net new participants in 2025 represents significant business growth, the author argues that growth numbers are backward-looking and aggregate metrics that fail to measure participant engagement, plan outcomes, or fiduciary health. The article emphasizes that larger participant populations amplify operational risk through multiplied testing nuances, expanded communication challenges, and increased probability of service breakdowns including missed notices, calculation errors, or compliance oversights.

Plan sponsors and providers should use this analysis as a prompt to scrutinize provider-reported metrics critically rather than accepting headline growth as evidence of good performance. Fiduciary prudence requires documenting decisions, evaluating services relative to fees and outcomes, and understanding participant behavior—regardless of vanity metrics. While no specific compliance deadline or penalty is cited, the article serves as a reminder that plan sponsors will ultimately be judged by governance and process, not growth statistics.

What to do next

Evaluate whether provider-reported growth metrics reflect meaningful participant engagement rather than vanity statistics
Review fiduciary governance processes to ensure decisions are documented and defensible
Assess whether operational infrastructure can handle increased scale without increased compliance risk

Source document (simplified)

April 6, 2026

When Participant Growth Becomes a Fiduciary Prompt — Not a Punchline

Ary Rosenbaum - The Rosenbaum Law Firm P.C. + Follow Contact LinkedIn Facebook X Send Embed

Empower recently reported that it added approximately 500,000 net new retirement plan participants in 2025 as part of what it termed a record earnings year. It’s the kind of headline that gets shared on LinkedIn, quoted at conferences, and sometimes recited back to committees as proof that “things are trending in the right direction.” But as plan providers, we have to separate PR metrics from fiduciary reality.

On the surface, participant growth is a compelling statistic. A half-million new participants suggests momentum, broad distribution, and continued demand for retirement services. But growth metrics are not the same thing as participant engagement, improved outcomes, or plan health — all of which are the fiduciary yardsticks sponsors will ultimately be judged by if something goes off the rails.

From a governance perspective, more participants can actually heighten risk. Larger participant populations amplify operational complexity: testing nuances multiply, communication challenges expand, and the probability of service breakdowns increases. Simply adding accounts does not immunize a provider or a sponsor against missed notices, calculation errors, or compliance oversights.

Moreover, headline growth tends to lull committees into complacency. Boards see big numbers and assume that means good performance. But these figures are backward-looking and aggregate by nature. They tell you what happened, not why it happened or whether the underlying process would withstand scrutiny. Fiduciary prudence is about documenting decisions, evaluating services relative to fees and outcomes, and understanding participant behavior — not cheering vanity metrics.

So when a provider touts half-a-million new faces, the right question isn’t “Isn’t that great?” It’s “Does that growth reflect meaningful engagement, and how are we structured so that every one of those participants is better served tomorrow than today?”

Numbers headline. Process protects.

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DISCLAIMER: Because of the generality of this update, the information provided herein may not be applicable in all situations and should not be acted upon without specific legal advice based on particular situations.
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