Yes or no. If you have maintained the traditional IRA account fo

and you have consistently funded your traditional IRA account with before-tax $$$, upon rollover, you may have to pay taxes on the fund in its entirety and may have to pay early withdrawal penalty, etc. Please refer to early withdrawal from a traditional IRA.

But If you funded your traditional IRA account with after-tax $$$, you will only pay taxes on capital gains. 

If you funded your traditional IRA account with after-tax $$$, you don't have any capital gains in your account, indeed you don't owe any taxes to the IRS.

You'd better do your own homework. I did not thoroughly research on the subject because I had never funded a traditional IRA until yesterday.