401(k) rollovers can be costly — and irreversible. What to know before moving your money

by | Aug 24, 2026 | Financial

401(k) rollovers can be costly — and irreversible. What to know before moving your money

Retirement account rollovers have surged dramatically in recent years, with investors moving $682 billion into individual retirement accounts in 2023—more than triple the amount from the early 2000s. The trend reflects demographic shifts as baby boomers transition into retirement. Data indicates nearly 6 million people executed rollovers in 2023, compared with approximately 4 million during the same period a decade earlier. Federal regulations permit tax-free rollovers at various life events, including job changes and retirement.

The Internal Revenue Service issued guidance on Aug. 12 aimed at streamlining what can be a complex process. However, financial advisors caution that rollovers carry significant risks that are often inadequately discussed. A guide released by the CFP Board of Standards on Aug. 19 identified common misconceptions surrounding rollovers, particularly the belief that workers must roll over assets when changing jobs and the assumption that rollover decisions can be reversed. In reality, most 401(k) plans permit participants to maintain balances with former employers, though few choose this option. More critically, rollovers from a 401(k) to an IRA are generally permanent, with limited exceptions such as the Thrift Savings Plan available to federal employees.

Cost differentials represent a primary concern. Investment fees typically exceed those in employer-sponsored plans because individual investors lack the collective purchasing power that allows companies to access institutional share classes. Research by The Pew Charitable Trusts determined that median retail share fees were 0.34 percentage points higher than institutional shares in 2019, representing a 37% difference. Over extended periods, this differential compounds significantly—investors retiring in 2018 who rolled funds to IRAs would experience approximately $45.5 billion in aggregate savings reduction over a hypothetical 25-year retirement.

Flexibility considerations also merit evaluation. IRAs offer substantially more investment options than typical 401(k) plans, which averaged approximately 25 funds or fewer in 2025. However, expanded choice carries risks, including decision paralysis. Additionally, advisors noted that individuals recommending rollovers may lack fiduciary obligations to prioritize client interests, distinguishing them from employers who maintain legal duties regarding 401(k) plan investments.

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