It is not uncommon to wind up with multiple 401(k)s after switching jobs a few times during the course of a career.
Companies usually allow employees to leave their money in the plans even after they leave the company, although non-employees are not allowed to make contributions.
But many financial advisers say it could be better to combine old company retirement accounts into a single 401(k) offered by a current employer or roll all of the old accounts into an IRA.
"We actually see this quite a bit," said Dawna Kopko, a senior investment adviser at PNC Wealth Management, Downtown. "Someone could have five or six different 401(k) accounts invested in different ways that do not work together for their long-term plans.
At a time when workers are becoming responsible for funding their own retirements through company 401(k)s or IRAs, they also find themselves more vulnerable than ever before to being downsized, outsourced or forced to take early retirement - all of which may cause them to change jobs frequently.
The U.S. Department of Labor's Bureau of Labor Statistics has found that the average person born in the latter years of the baby boom (1957-1964) held 11.3 jobs from age 18 to age 46.
Chris Chaney, vice president of Green Tree, Pa.-based Fort Pitt Capital Group, said he also has found that high achievers can be so focused on their careers that when they are given a new employment opportunity with a different company, they may forget to rollover the retirement assets they worked so hard to build with their previous employer.
"We often find that these people have assets in a number of different accounts, sometimes with a number of different firms," Chaney said. "This can make managing their retirement portfolio difficult, regardless of how experienced they are as investors.
"The result can be a hodge-podge of holdings strewn across a bunch of accounts, often with unsuitable investments that reflect past trends or concerns," he said. "Ironically, this is almost exactly opposite to the careful, considered approach that makes them successful in their professional endeavors.
"Worse, they end up neglecting the wealth they are working to build, the very thing they are counting on to support them when they retire."
Most financial advisers recommend consolidating scattered 401(k)s not only to manage them better, but also to establish a strategy based on their current needs and goals and the market today, rather than one that reflects their past views or the limited options they might have for investing in an old company 401(k) plan.
One disadvantage of consolidating multiple 401(k)s to a single IRA is that in many states, money in an IRA does not receive the same protection from creditors and lawsuits that 401(k) plans receive. This could be an issue for people working in professions - such as medicine - that tend to attract lawsuits.
But Jon Grossman, an associate at the Pittsburgh law firm Tucker Arensburg, said Pennsylvania has among the strongest protections for IRAs in the country.