Sub Account

A sub-account is an investment option within a variable annuity that functions like a mutual fund. You allocate your premium among multiple sub-accounts, each with a different objective, asset class, and risk level. Your account value goes up or down depending on how those sub-accounts perform. This distinguishes variable annuities from fixed annuities, where the insurance company absorbs all market risk and pays you a guaranteed rate.

Think of sub-accounts like the investment menu inside a 401(k): you choose how to divide your money, and the performance of your selections drives the final balance.

How Sub-Accounts Work Inside a Variable Annuity

When you buy a variable annuity, the insurance company separates your money into a dedicated "separate account" that is legally distinct from the insurer's general account. Within that separate account, you select sub-accounts to invest in. Common options include stock funds focused on large-cap or small-cap equities, bond funds, balanced funds, and money market funds. Most variable annuities offer between 10 and 50 sub-accounts.

You own accumulation units rather than fund shares. Each day, the net asset value of your sub-account accumulation units is recalculated based on the closing prices of the underlying securities, just like mutual fund shares.

Sub-Account Fees Stack on Top of Each Other

Every sub-account charges an annual management fee, typically ranging from 0.5% to 1.5% of assets. On top of that, the annuity contract itself charges a mortality and expense risk fee, usually around 1.0% to 1.5% per year, which compensates the insurer for the death benefit and income guarantees embedded in the contract. Administrative fees may also apply.

The combined annual cost of a variable annuity sub-account often runs between 2% and 3.5%, which is substantially higher than a comparable standalone mutual fund. That extra cost funds the tax-deferral benefit, the insurance guarantees, and the income features of the annuity contract.

Sub-Accounts Are Tax-Deferred

The major advantage of holding investments in sub-accounts rather than directly in mutual funds is tax deferral. Dividends, interest, and capital gains inside a variable annuity sub-account do not create a taxable event each year. Taxes apply only when you take distributions. This allows your investment returns to compound without annual tax drag, which can meaningfully increase long-term accumulation if you are in a high tax bracket during the growth phase.

Sub-accounts held inside a tax-qualified account like an IRA provide no additional tax benefit from the annuity wrapper, since the IRA itself already provides tax deferral.

Switching Between Sub-Accounts

Most variable annuities let you reallocate money among sub-accounts without triggering a taxable event. If you shift from an equity sub-account to a bond sub-account, you are not selling a taxable asset. This flexibility is useful for rebalancing your allocation as you approach retirement without the capital gains consequences you would face in a taxable brokerage account.

Some contracts limit the number of free transfers per year or impose a small fee per additional transfer after you exceed the free limit.

Sources:

• https://smartasset.com/investing/what-are-variable-annuity-subaccounts
• https://www.henssler.com/what-are-annuity-subaccounts/
• https://www.thrivent.com/insights/annuities/variable-annuity-subaccounts-what-they-are-how-they-work