How Private Investments Are Taxed Inside Retirement Accounts

How Are Private Investments Taxed Inside Retirement Accounts?

Understanding traditional and Roth IRAs, investment income, UBIT, and the tax considerations of holding private assets for retirement.

Individual Retirement Accounts have long provided Americans with a tax-advantaged way to save and invest for retirement. Most people encounter them through banks and brokerage firms, where retirement savings are invested in stocks, bonds, mutual funds, and other publicly traded securities.

But retirement accounts can also hold investments outside the public markets.

Through self-directed IRAs and certain other retirement arrangements, eligible investors can use retirement capital to purchase interests in privately held businesses, real estate partnerships, private credit funds, and other alternative investments.

One of the potential attractions is the ability to hold these investments within an existing retirement-account tax structure.

A private investment that generates income or appreciates in value may be able to grow inside an IRA without creating an immediate personal income-tax obligation. In a Roth IRA, certain investment earnings may eventually be distributed tax-free.

However, the tax treatment is not always as straightforward as it first appears.

Some private investments can generate taxable income within the retirement account itself. Others introduce reporting obligations, restrictions on transactions, or complications when retirement distributions become necessary.

The tax treatment depends on both the type of retirement account and the structure of the investment held within it.

Understanding that relationship is essential when evaluating private investments for retirement.

How Does a Retirement Account Change the Tax Treatment of an Investment?

When an individual invests through a regular taxable brokerage account, investment income and gains may create tax obligations as they are earned, received, or realized.

Interest income is generally taxable when recognized. Dividends may be taxable in the year received. Selling an investment at a profit may result in a capital gain, with the applicable tax treatment depending on factors such as the holding period and the type of asset.

Retirement accounts operate under a different framework.

When investments are held inside a qualifying IRA, ordinary investment earnings and gains generally are not subject to current personal income tax merely because they arise within the account.

Instead, the retirement account's tax rules determine when and how those amounts are taxed.

This distinction applies to more than publicly traded securities.

An IRA that earns interest from a qualifying private note, receives distributions from certain private investments, or realizes a gain from selling shares in a privately held company may receive those proceeds without triggering an immediate personal income-tax obligation for the account owner.

The money generally remains within the retirement account, where it can be held or reinvested according to the account's rules.

There are exceptions, particularly when the investment generates certain types of business income or income associated with borrowed money. Those exceptions are important enough to examine separately.

First, it helps to understand the difference between traditional and Roth retirement accounts.

Traditional vs. Roth IRAs: Two Different Tax Arrangements

A self-directed IRA does not create a new category of retirement-account tax treatment.

A self-directed traditional IRA generally follows the tax rules of a traditional IRA. A self-directed Roth IRA generally follows those of a Roth IRA.

The self-directed designation primarily describes the broader investment choices permitted by the custodian.

Traditional IRAs: Tax-Deferred Growth

A traditional IRA generally allows investment earnings and gains to accumulate without current personal income taxation.

Depending on an individual's circumstances, contributions may also be deductible.

When funds are eventually withdrawn, distributions attributable to deductible contributions and earnings are generally taxed as ordinary income. Amounts representing nondeductible contributions may receive different treatment.

Consider an illustrative example.

An investor uses a traditional self-directed IRA to acquire an ownership interest in a private company.

Several years later, the company is acquired, and the IRA receives proceeds exceeding its original investment.

Assuming no special tax exception applies, the gain generally remains inside the IRA without being separately reported as a capital gain on the investor's personal tax return.

If the investor later withdraws funds from the traditional IRA, the taxable portion of that withdrawal is ordinarily subject to income tax under the IRA distribution rules.

This creates an important distinction from holding the same investment in a taxable account.

Even if the underlying investment generated a long-term capital gain, a taxable distribution from a traditional IRA generally does not receive the preferential long-term capital gains rate. It is generally taxed as ordinary income.

The investment's original tax character does not necessarily carry through to the retirement-account withdrawal.

Roth IRAs: Potentially Tax-Free Retirement Distributions

Roth IRAs operate differently.

Contributions are generally made with after-tax funds and are not deductible. In exchange, qualified withdrawals can be entirely tax-free.

For Roth IRA earnings to be distributed tax-free, the distribution generally must satisfy the applicable five-tax-year requirement and occur after age 59½ or meet another qualifying condition.

When those requirements are satisfied, investment growth accumulated inside the Roth IRA can be distributed without federal income tax.

That can make a Roth IRA an attractive structure for long-term investments with significant appreciation potential.

However, a Roth account does not automatically eliminate every possible tax associated with the investments it owns.

Certain business activities and debt-financed investments can create tax obligations within a Roth IRA just as they can within a traditional IRA.

The distinction is between the tax treatment of the account owner's distributions and taxes that may arise from specific activities conducted within the account.

What Happens to Private Investment Income Inside an IRA?

Private investments can generate different kinds of income, and the underlying investment structure matters.

A private credit investment may pay interest. A real estate partnership may distribute cash generated by rental operations. An investment fund may receive dividends, realize gains from selling assets, or earn income through operating businesses.

Under ordinary IRA rules, common forms of investment income—including interest, dividends, and many capital gains—generally do not create an immediate personal income-tax obligation when earned within the account.

Certain rental income may also qualify for favorable treatment under the applicable rules.

For example, if a private lending investment pays interest directly into an IRA, the interest ordinarily remains an asset of the retirement account.

The account owner generally does not report that payment as personal interest income merely because the IRA received it.

Similarly, if an IRA sells an otherwise qualifying private security at a gain, that sale generally does not create an immediate personal capital gains tax.

This treatment can allow more of the proceeds to remain invested within the retirement account.

But there are two important limitations.

First, the proceeds must remain within the retirement-account structure. A payment made directly to the account owner instead of the IRA may be treated as a distribution, depending on the circumstances.

Second, not every form of income generated by a private investment qualifies for the ordinary IRA exemption.

This second limitation is where private-market investing can become more complicated.

When Can an IRA Owe Taxes on Its Investments?

Although IRAs generally provide tax advantages, federal tax law imposes a tax on certain income earned by otherwise tax-exempt entities, including IRAs.

This is commonly called the Unrelated Business Income Tax, or UBIT.

The income potentially subject to that tax is known as Unrelated Business Taxable Income, or UBTI.

These rules matter because private investments are often structured through partnerships and LLCs, some of which conduct operating businesses or use borrowed money to acquire assets.

An IRA can therefore become liable for taxes even when the account owner has not taken a personal distribution.

Unrelated Business Taxable Income (UBTI)

UBTI can arise when an IRA earns income attributable to certain operating business activities.

Consider an IRA investing in a privately held company structured as an LLC taxed as a partnership.

If that company operates an active business, such as manufacturing products or providing commercial services, some of the business income allocated to the IRA may qualify as unrelated business taxable income.

This is different from simply owning shares in a conventional corporation and receiving dividends.

Partnerships generally pass through their tax items to their owners. When an IRA is a partner, the character of the partnership's activities can affect the IRA's tax obligations.

An investor cannot assume that every distribution from an LLC is automatically exempt from current tax merely because the investment is held in a retirement account.

However, the reverse is also true: investing in an LLC or partnership does not automatically create UBTI.

The underlying activity and applicable exclusions determine the treatment.

Ordinary investment interest, qualifying dividends, certain rental income, and many capital gains are generally excluded from UBTI calculations unless an exception applies.

One especially important exception involves debt-financed investments.

Unrelated Debt-Financed Income (UDFI)

Private real estate investments frequently use financing.

A sponsor acquiring an apartment community, for example, may combine investor equity with a mortgage. Borrowed capital helps finance the property, but it also changes the economic and potentially the tax characteristics of the investment.

When an IRA invests in property or certain investment structures involving acquisition-related borrowing, part of the resulting income or gain may be treated as Unrelated Debt-Financed Income, or UDFI.

UDFI can be included in the IRA's UBTI and potentially create a tax obligation.

This can apply even when the underlying investment generates income, such as rental income, that would ordinarily be excluded from UBTI.

For example, suppose an IRA invests in a real estate partnership that acquires property using both investor capital and mortgage financing.

If the debt-financed income rules apply, a portion of the income allocated to the IRA—and potentially a portion of the gain when the property is sold—may be subject to UBIT.

The calculation depends on the financing arrangements, debt levels, property basis, deductions, and other applicable rules. It is not necessarily equivalent to simply multiplying the investor's income by the original loan-to-value ratio.

Importantly, an investor does not have to borrow money personally for these rules to become relevant. Debt used within an underlying partnership or investment structure may also matter.

This is why financing arrangements deserve attention when evaluating private investments for retirement accounts.

A traditional IRA and a Roth IRA can both be subject to these rules.

Certain qualified retirement plans, including qualifying 401(k) trusts, may benefit from a separate exception for some debt-financed real estate under Internal Revenue Code Section 514(c)(9). That exception does not generally extend to IRAs and is subject to conditions, particularly for partnership investments.

Retirement account types should therefore not be assumed to have identical tax treatment.

How Are UBIT and Private Investment Income Reported?

Many private funds and investment partnerships issue a Schedule K-1, which reports an investor's allocated share of income, losses, deductions, and other tax items.

When the investment is owned by an IRA, the K-1 information relates to the IRA's ownership interest.

Receiving a K-1 does not automatically mean the account owner must report the partnership's earnings as personal taxable income.

It also does not necessarily mean the IRA owes UBIT.

The relevant question is whether the income allocated to the IRA includes amounts subject to the unrelated business income rules.

For example, an IRA may receive a K-1 reporting several categories of income. Some may be excluded from UBTI, while others may require additional tax analysis.

The IRS generally requires an IRA with $1,000 or more of gross unrelated business income to file Form 990-T, subject to the applicable filing rules.

That threshold is a filing requirement, not an automatic tax on the entire amount. The actual tax liability depends on the taxable income calculation, permitted deductions, and other applicable provisions.

An IRA that must file Form 990-T generally needs its own Employer Identification Number (EIN). Each IRA is treated separately for these purposes.

The tax is an obligation of the retirement account rather than an ordinary personal income tax on the account owner. Filing and payment ordinarily involve the IRA's trustee or custodian, often with assistance from a qualified tax professional.

One particularly important feature of partnership taxation is that taxable income can be allocated without an equivalent cash distribution.

An IRA may therefore have a tax liability even if the investment sponsor has retained much of the available cash within the underlying business.

Investors should understand whether a private investment may generate UBTI, how tax information will be supplied, and whether sufficient liquidity will be available within the account to satisfy any tax obligations.

Other Tax Considerations for Retirement-Account Investors

UBIT and UDFI are important, but they are not the only tax considerations associated with private investments in retirement accounts.

Prohibited Transactions Can Jeopardize an IRA's Tax Status

Federal tax law restricts transactions between an IRA and certain disqualified persons, including the account owner and specified family members.

For example, an investor generally cannot use IRA-owned real estate as a personal vacation property, sell personally owned property to their IRA, or pledge IRA assets as collateral for a personal loan.

These rules are designed to prevent retirement-account assets from being used for improper personal benefit.

The consequences can be substantial.

If an IRA owner engages in a prohibited transaction involving the IRA, the account generally ceases to qualify as an IRA as of the first day of that tax year.

The account may then be treated as distributing its entire value to the owner, potentially triggering income taxes and additional taxes.

The fact that a custodian agrees to process an investment does not establish that every transaction involving the asset complies with the prohibited-transaction rules.

Investment Losses Do Not Ordinarily Become Personal Tax Deductions

Private investments can lose value, sometimes substantially.

When losses occur inside an IRA, the account generally bears the economic loss. The investor ordinarily cannot claim the underlying investment's capital loss or depreciation as a deduction on their personal income-tax return.

Partnership losses allocated to an IRA may have consequences for the IRA's own tax calculations in certain situations, but they should not be treated as ordinary personal deductions.

Tax-advantaged investing therefore changes the treatment of both successful and unsuccessful investment outcomes.

Illiquid Investments Can Complicate Retirement Distributions

Traditional IRAs are generally subject to required minimum distribution rules beginning at the applicable age.

An account holding mostly cash and publicly traded securities can ordinarily raise money for a required distribution by selling liquid assets.

An IRA heavily invested in private funds, long-term real estate projects, or other illiquid securities may have fewer options.

The investor may need sufficient cash elsewhere in the IRA, eligible distributions from other IRAs, or a properly administered distribution of assets in kind.

An in-kind distribution involves transferring an asset out of the retirement account rather than distributing cash. Its fair market value generally determines the amount reported as distributed, with taxation depending on the account type and applicable distribution rules.

Private assets may be difficult to value, making accurate reporting particularly important.

Original Roth IRA owners generally are not required to take minimum distributions during their lifetimes, although inherited accounts follow separate rules.

These differences can materially affect retirement planning when the underlying investments have long or uncertain holding periods.

What Should Investors Understand Before Using Retirement Capital?

The tax benefits of retirement accounts can make them useful vehicles for certain private investments.

But the decision involves more than determining whether a custodian will accept an asset.

The investor needs to understand the legal entity issuing the investment, how that entity is taxed, whether it conducts an operating business, and whether leverage could create unrelated debt-financed income.

The expected investment holding period also matters.

An investment producing little current cash may still generate taxable income at the IRA level. A long-term private fund may create complications when required distributions begin. An investment with substantial appreciation may receive different eventual tax treatment depending on whether it is held in a traditional or Roth account.

It is also important to understand how the investment's tax documents will be prepared and who is responsible for reviewing them.

Custodians provide essential account administration, recordkeeping, and reporting services. But most self-directed IRA custodians do not independently determine the tax consequences of every private investment held within an account.

Those consequences depend on the underlying investment structure and applicable law.

A qualified tax professional familiar with retirement accounts and private partnerships can help interpret the rules. Separately, evaluating the sponsor, investment economics, contractual terms, and financial assumptions remains part of the investment decision.

The two areas are related but distinct.

Understanding the Tax Advantages—and Their Limits

Retirement accounts can provide meaningful tax advantages when used to hold private investments.

Traditional IRAs generally allow qualifying investment earnings and gains to accumulate on a tax-deferred basis. Roth IRAs can provide tax-free qualified distributions. Both can potentially hold investments outside conventional public markets when permitted by the account custodian and applicable rules.

But private investments introduce structural questions that are easy to overlook.

The investment's legal entity, business activities, financing arrangements, and distribution policies can influence its tax treatment. Some investments may generate taxes within the retirement account itself, while others may create practical complications when funds need to be withdrawn.

The underlying lesson is that tax treatment cannot be evaluated independently of investment structure.

A retirement account determines the legal and tax framework in which an investment is held. The investment itself determines what activities, income, financing, and economic risks exist within that framework.

Understanding both provides a more complete picture of what an individual is committing their retirement capital to—and what they may ultimately receive.

Investorly™ is an independent private-markets research and due-diligence firm. This article is provided for educational and informational purposes only and does not constitute investment, legal, tax, or personalized financial advice. Tax treatment depends on individual circumstances, retirement-account structure, and applicable law. Investors should consult qualified tax and legal professionals before making decisions involving private investments and retirement accounts.