What Happens to Your 401k When You Leave a Job?
Most people have at least one. A 401k from a job they left sitting in the old employer's plan, largely forgotten, invested in whatever funds were selected on the first day of employment. It is not losing money, so it does not feel urgent. But leaving it there is a decision, and like most passive decisions in personal finance, it is probably not the optimal one.
Here is why rolling it into an IRA almost always makes more sense.
You Get Access to More
A 401k plan gives you a finite menu to choose from. The plan administrator selects a limited number of funds, you pick from those options, and that is the extent of your flexibility. There is no ability to hold individual securities, access a broader range of ETFs, or build a portfolio that reflects your actual situation and goals.
An IRA gives you access to essentially the entire investment universe. Stocks, bonds, ETFs, index funds, and more. The difference in what you can own, and how precisely you can build a portfolio, is significant. Over a long time horizon that flexibility compounds into something meaningful.
You Are Probably Paying More Than You Think
401k plans carry costs that most participants never see. On top of the expense ratios of the funds inside the plan, there are often plan-level administrative fees embedded in the structure that are rarely surfaced in plain language. They do not show up as a line item on your statement. They just quietly reduce your return every year.
When you roll to an IRA with an independent advisor, the fee structure is transparent. You know exactly what you are paying and what you are getting for it. Nothing buried, nothing hidden.
Nobody Is Managing It
This is the part people underestimate. A 401k sitting in an old employer plan is essentially on autopilot. There is no one looking at whether the allocation still makes sense for your age, your risk tolerance, or your broader financial picture. No one is rebalancing it when markets move. No one is thinking about how it fits with your other accounts, your tax situation, or your retirement timeline.
An IRA managed by a fiduciary advisor means someone is actually paying attention. That means proactive adjustments when your situation changes, not a fund selection that was made years ago and never revisited.
You Simplify Your Financial Life
Every time you change jobs and leave a 401k behind, you add another account to track. Another login. Another set of statements. Another allocation to think about. Most people in their 40s and 50s have multiple old 401ks scattered across former employers and no clear picture of what they own in aggregate.
Consolidating into a single IRA gives you one account, one clear view of your investments, and one place to build a coherent strategy.
The Window To Act Is Always Now
There is no rule that says you have to wait for a job transition to roll over an old 401k. If you have money sitting in a former employer's plan right now, you can move it. The process is straightforward and when done correctly is not a taxable event.
The longer it sits, the longer it goes unmanaged, overpriced, and disconnected from everything else in your financial life.
If this resonates with you, connect with me and we can talk through it.
Michael Walstedt is a fee-only financial advisor and founder of Reliant Wealth Advisory, based in Hoboken, NJ. This article is for general informational purposes and may not apply to every individual situation. If this is a question you’re actively considering, a personalized conversation can often bring clarity.