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Vested shares and concentration risk: what to do when employee shares vest

25 August 2026

This article is for senior professionals, executives and business owners who receive employee shares as part of their remuneration and want to understand how to manage vested shares, concentration risk and long-term wealth planning.


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Article last updated 25 August 2026.

If you receive part of your remuneration through employee share schemes such as Restricted Stock Units (RSUs), Long-Term Incentive Plans (LTIPs), share options or Enterprise Management Incentive (EMI) schemes, you will eventually receive vested shares. Vested shares are shares that have met the conditions attached to an employee share award and are now yours to keep, sell or hold.  This article is for informational purposes only and does not constitute personal financial advice. Tax treatment depends on individual circumstances and may be subject to change.

For many senior professionals, business owners and internationally mobile executives, vested shares can represent a valuable opportunity to build long-term wealth. However, they can also introduce a less obvious challenge: concentration risk. When a significant proportion of your wealth is tied to a single company, your financial future may become more dependent on one asset than you realise.  Recent headlines around high-profile employee share events have underlined how quickly equity compensation can move from being an exciting wealth-creation opportunity to a more complex planning challenge, particularly where personal wealth, future income and career prospects are all linked to the same company.

Understanding what happens when shares vest, the decisions available to you, and the potential implications for your wider financial plan can help you make more informed choices.

Key takeaway

Vested shares can play an important role in long-term wealth creation, but they may also increase concentration risk if too much of your wealth is linked to a single company. A structured approach to diversification, tax planning and long-term investing can help ensure that equity compensation supports wider financial goals rather than creating unnecessary risk.
 

What are vested shares?

Vested shares are shares that have passed any conditions or waiting periods attached to an employee share scheme and are now owned by the employee.

Vested shares commonly arise through Restricted Stock Units (RSUs), share options, Long-Term Incentive Plans (LTIPs), Enterprise Management Incentive (EMI) schemes and other employee share schemes.

Once shares vest, employees are often faced with an important decision: should they continue holding the shares, sell some or all of their position, or gradually diversify into other investments?

The answer will depend on individual circumstances, but understanding the risks and opportunities is an important first step.
 

What is concentration risk in employee share schemes?

A concentrated equity position exists when a large proportion of wealth is invested in a limited number of assets, often a single company’s shares.

For employees who regularly receive vested shares, concentration risk can develop gradually. Each vesting event may increase exposure to the same company without any additional investment decision being made.

Concentration risk becomes particularly relevant when employer shares represent a significant proportion of investable assets, future income is linked to the same employer, bonuses or future equity awards depend on company performance, or major financial goals rely on the continued success of one organisation.

A fall in the value of a single shareholding can have a much greater impact on overall wealth when diversification is limited.
 

Why many people hold vested shares for too long

Research into investor behaviour consistently shows that individuals often maintain concentrated positions longer than they originally intended.

There are several reasons for this. Some employees believe their knowledge of the business gives them an advantage in assessing future prospects, a form of familiarity bias that can make a concentrated holding feel less risky than it is. Others develop a natural attachment to shares that have contributed significantly to their wealth, or hesitate to sell because of tax concerns or fear of missing out on future gains.

While tax considerations are important, they should rarely be viewed in isolation. The decision to retain vested shares should be considered alongside broader questions such as overall concentration risk, future wealth objectives, liquidity requirements, retirement planning and wider investment strategy.

The cost of remaining concentrated can sometimes be greater than the cost of taking action.
 

What should you do with vested shares?

There is rarely a single correct answer. Managing vested shares typically involves balancing investment objectives, tax considerations and personal circumstances.

Gradual diversification

Many investors choose to reduce exposure over time rather than making a single transaction. A phased approach can help reduce concentration risk progressively, create greater flexibility around timing, support long-term portfolio construction and align with wider financial planning objectives.

Building a diversified investment portfolio

When shares are sold, the proceeds can be redeployed into a diversified portfolio aligned with long-term goals. Diversification does not eliminate investment risk, but it can reduce dependence on the fortunes of a single company or sector.

For individuals with substantial vested shares, diversification is often one of the most important considerations within a broader wealth management strategy.

Integrating equity compensation with financial planning

Employee share schemes should not be viewed in isolation. Vested shares are only one component of an individual’s overall financial position, alongside pensions, cash reserves, property, business interests, trust arrangements and estate planning objectives.

Bringing these areas together can help ensure that decisions around vested shares support wider financial goals.
 

Tax considerations for vested shares and RSUs

The tax treatment of vested shares depends on the type of employee share scheme involved and an individual’s circumstances.

In some situations, tax obligations may arise when shares vest. In others, additional tax considerations may apply when shares are sold.

For individuals receiving RSUs, share options or other forms of equity compensation, understanding the interaction between income tax, capital gains tax and broader financial planning can form an important part of the decision-making process.

This is general information rather than personal advice. Tax treatment depends on individual circumstances and may change in future.
 

When should you sell or hold vested shares?

One of the most common questions raised by employees receiving vested shares is whether action should be taken immediately after vesting.

There is no universally correct answer. However, vesting events often provide a valuable opportunity to reassess current concentration levels, future objectives, cash flow requirements, tax considerations and overall portfolio strategy.

The earlier these questions are considered, the more options are likely to be available. Small decisions made consistently over time can have a meaningful impact on long-term financial outcomes.
 

Making the most of your equity compensation

Whether you are receiving RSUs, share options, LTIPs or other employee share schemes, the decisions surrounding vested shares can have implications far beyond a single vesting event.

Equity compensation sits at the intersection of investment management, tax planning, retirement planning and long-term wealth preservation. Understanding how these elements connect can help individuals approach vested shares more strategically and reduce the risks associated with concentrated equity positions.

Join our webinar, Making the Most of Your Equity Compensation, where we will explore how different employee share schemes work, what happens when shares vest, concentration risk and diversification, tax considerations for equity compensation, and practical frameworks for making informed decisions.

Whether you are building wealth through employee share schemes or preparing for a significant liquidity event, developing a clear plan can help ensure that vested shares support your broader financial objectives.

Register for our webinar: Making the Most of Your Equity Compensation

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