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Marriott International Employees: Handling Single-Stock Concentration with a Section 351 Strategy

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'Marriott International employees with concentrated stock positions should understand that strategies like a Section 351 exchange can offer flexibility in managing large unrealized gains while preserving long-term planning options.' – Tyson Mavar, a representative of The Retirement Group, a division of Wealth Enhancement.

'Marriott International employees facing concentrated stock exposure may find that a Section 351 exchange provides an effective way to mitigate risk and maintain control over the timing of potential tax liabilities.' – Wesley Boudreaux, a representative of The Retirement Group, a division of Wealth Enhancement.

In this article, we will discuss:

  1. When a Section 351 exchange can help diversify concentrated stock positions without an immediate tax bill.

  2. The core eligibility rules (80% control test) and basis/step-up mechanics that drive tax deferral.

  3. Sample case studies (James & Sarah) illustrating the numbers and outcomes.

The Strategic Potential of Section 351: An Analysis of a Multi-Stock Case in Tax-Deferred Reorganization

A sizable amount of the wealth of many high-earning professionals at Marriott International may be invested in a small number of highly valued equities, including company shares accumulated through restricted stock units (RSUs), the employee stock purchase plan (ESPP), or equity awards earned due to long tenure. While rebalancing may seem out of reach due to the tax ramifications of selling these positions, investors can make tax-deferred contributions of appreciated assets to a new business entity through a Section 351 exchange. When an investor wants to manage several sizable, embedded gains at once, this tactic may be especially useful.

Think about James, a client with a $10 million portfolio. The value of one stock investment, which he purchased for $50,000, has increased to $1 million, or 10% of his total portfolio. At a long-term capital gains rate that can reach 23.8% for certain high-income taxpayers (20% maximum long-term capital gains rate plus the 3.8% Net Investment Income Tax), selling this position would result in a $950,000 capital gain and an estimated $226,100 tax bill. The amount available for reinvestment would be reduced by this tax.

Section 351(a) of the Internal Revenue Code provides: “If property is transferred to a corporation by one or more persons solely in exchange for stock in such corporation and immediately after the exchange such person or persons are in control (as defined in section 368(c)) of the corporation, no gain or loss shall be recognized.” Under Section 368(c), “control” generally means ownership of at least 80% of the voting power and 80% of each class of non-voting shares.

The transferor or transferors must own at least 80% of the new corporation’s stock right after the exchange to qualify for this treatment. This can be done for investors with sizable portfolios by joining a larger seeding group or acting as the principal seeder of a new entity.

In a Section 351 transaction, any built-in gains are preserved because the shareholder’s basis in the received stock typically carries over from the contributed property. If the shares are held until death, a step-up in basis under Section 1014 may eliminate the deferred gain.

Another client example involves Sarah, who has a $13 million portfolio. She owns two appreciated stocks:

  • Stock A: Originally $300,000, now worth $3 million.

  • Stock B: Initial cost basis $500,000, now worth $3 million.

At a long-term capital gains rate that can reach 23.8% for certain high-income taxpayers, the aggregate unrealized gain of $5.2 million would translate into an estimated tax of roughly $1,237,600 if sold today, which can constrain portfolio adjustments.

For employees of Marriott International holding concentrated positions, taking part in a Section 351 exchange can reduce concentration risk and defer recognition of these gains without an immediate tax bill. If assets receive a step-up in basis at death, the deferred gain may be fully eliminated under current law, and deferral can provide flexibility in managing future tax obligations.

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Sources:

1.  Internal Revenue Service.  Revenue Ruling 2003-51 . Internal Revenue Bulletin 2003-21, 2003. PDF.

2.  Friedel, David B., and Yaw O. Awuah. “ Sec. 351 Control Requirement: Opportunities and Pitfalls .”  The Tax Adviser , 1 July 2014. Web.

3.  Internal Revenue Service. “ Net Investment Income Tax (NIIT) .”  IRS.gov , last reviewed 1 July 2025. Web.

4.  Internal Revenue Service.  Publication 551: Basis of Assets . December 2024 revision, posted 18 February 2025. PDF.

5.  FINRA Investor Education Foundation (FINRA). “ Concentrate on Concentration Risk .”  FINRA.org , 15 June 2022. Web.

What is the 401(k) plan offered by Marriott International?

The 401(k) plan at Marriott International is a retirement savings plan that allows employees to save a portion of their salary on a pre-tax basis.

How can Marriott International employees enroll in the 401(k) plan?

Employees of Marriott International can enroll in the 401(k) plan through the company’s benefits portal or by contacting the HR department for assistance.

Does Marriott International offer any matching contributions to the 401(k) plan?

Yes, Marriott International offers a matching contribution to the 401(k) plan, which helps employees boost their retirement savings.

What is the maximum contribution limit for Marriott International's 401(k) plan?

The maximum contribution limit for Marriott International's 401(k) plan is subject to IRS guidelines, which are updated annually.

Can Marriott International employees take loans against their 401(k) savings?

Yes, Marriott International allows employees to take loans against their 401(k) savings, subject to specific terms and conditions.

What investment options are available in Marriott International's 401(k) plan?

Marriott International's 401(k) plan offers a range of investment options, including mutual funds, target-date funds, and other investment vehicles.

How often can Marriott International employees change their 401(k) contribution amounts?

Employees at Marriott International can change their 401(k) contribution amounts at any time, subject to the plan's rules.

What happens to Marriott International employees' 401(k) savings if they leave the company?

If Marriott International employees leave the company, they can choose to roll over their 401(k) savings to another retirement account or withdraw the funds, subject to tax implications.

Is there a vesting schedule for Marriott International's 401(k) matching contributions?

Yes, Marriott International has a vesting schedule for matching contributions, which means employees must work for a certain period to fully own those contributions.

How can Marriott International employees access their 401(k) account information?

Employees can access their 401(k) account information through the company’s online benefits portal or by contacting the plan administrator.

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