You may be able to move your 401k assets to an IRA even while you are still employed by your current company without paying any taxes. This is called an "In Service" or "Pre-Retirement" Rollover. Many well-known companies commonly allow this procedure.
By doing a Pre-Retirement Rollover, you can work with our financial advisors to manage them in conjunction with your complete portfolio. You may also be eligible to roll the funds into a Roth IRA which may have additional long-term tax benefits.
A plan participant leaving an employer typically has four options (and may engage in a combination of these options), each choice offering advantages and disadvantages.