Too Much Employer Stock? Why You Should Diversify

Diversifying Employer Stock: Why High Earners Need a Plan

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Part 1 of 3: Why You Need a Plan for Selling Your Employer Stock

Prefer listening to reading? This article is related to a Love, your Money® episode, so if you’re an auditory learner or need hands-free mode you can find the episode here!

If you’re holding a large portion of your wealth in employer stock–especially from one of today’s market darlings–you could be exposing yourself to more risk than reward. Without a clear plan to sell, diversify and rebalance, loyalty to your company could quietly jeopardize the very freedom you’ve been working toward.

‘Too Big To Fail’: What do Enron, Lehman Brothers, and Silicon Valley Bank have in common?

At their peak, they were considered too strong to fail. Then, almost overnight, confidence collapsed–and employees holding concentrated stock positions saw their net worth plummet. 

It’s natural to feel proud of your company–particularly if you’ve been a part of its success story from the start. But pride isn’t a plan, and without a disciplined strategy for when and how to reduce concentrated stock risk, even strong companies can leave investors more exposed than they realize.

This is something we see often at Hendershott Wealth Management. A client might have a $4 million portfolio, but $2.5 million of that is in a single stock: their employer. 

It can feel like a smart, high-conviction move–but in reality, it’s concentrated risk wrapped in a false sense of security, driven less by prudent investing strategy and more by behavioral psychology. 

Let’s talk about why that happens, why it matters, and what you can do to protect your wealth.

The Hidden Risk in Holding Too Much Employer Stock

Picture this: You work for a company whose stock is currently among the market’s top performers, and approximately half of your $4 million portfolio is invested in it. Your portfolio looks strong–and so does your pride in the work you’re doing every day.

Now, let’s change a few variables: You don’t own any employer stock, and someone gives you $2 million in cash. Would you invest all of it–every penny–in your employer stock?

This simple reframe highlights a powerful cognitive bias called the Endowment Effect, which is our natural tendency to value what we already own more than we would otherwise–sometimes even more than its market value.

It’s why employees often hold onto large positions in their company’s stock, especially when it’s one of the so-called “Magnificent 7” (Nvidia, Microsoft, Apple, Google, Amazon, Meta, Tesla).

However, if given the same amount in cash, most people wouldn’t dream of investing it all in a single company–but that’s exactly what they’re doing when most of their portfolio sits in employer stock.

The Endowment Effect can be incredibly powerful, but the data tells us it can also be very costly. Stocks that rise to the top rarely stay there indefinitely, and the belief that they will is often rooted more in hopes and dreams than history and data. 

Over time, that misplaced confidence can erode both returns and financial freedom.

If there’s one rule to remember when it comes to investing, it’s this: Don’t put all your eggs in one basket. And if you’ve ridden the rise of your company stock to financial independence, selling is the only way to lock in your success.

The Risks of Holding Concentrated Stock: What Research Tells Us

History shows us a clear pattern: Even the highest performing companies don’t stay at the top forever.

Research from Dimensional Fund Advisors (charted below) shows that companies that reach the Top 10 by market capitalization tend to underperform the broader market on average over the next five years and beyond. 

Once a stock climbs that high, there often isn’t much further to grow:

Think of it this way: Those who summit Mt. Everest will never reach a higher peak. A cup filled to the brim can’t hold any more liquid. The pitcher who throws a perfect game can’t throw a “more perfect” game the next. And stocks that reach the top? Eventually, growth slows, competition intensifies, and returns normalize.

In the dot-com crash of 2000, the NASDAQ lost 78% of its value in under two years, and Cisco Systems—the tech giant once crowned the most valuable company in the world—fell 85% from its peak and didn’t recover for almost 17 years. 

Then came the 2008 financial crisis, when the Dow plunged 50% and market darlings—including many financial stocks—dropped more than 90%. 

For employees who held onto too much of their company’s stock, the results were devastating. Years of savings and confidence evaporated almost immediately.

When your net worth is too heavily tied to one company, one event—like a market downturn, an earnings miss, or a leadership scandal—can create massive paper losses. Or worse: If that event leads to layoffs or compensation freezes, you could lose your income and your wealth at the same time.

To help mitigate that kind of risk, many fiduciary advisors (including our team at Hendershott Wealth Management!) help clients diversify their portfolios. 

That means owning a variety of assets, with stocks from thousands of companies across many industries and countries all over the globe—so no single stock or employer can derail your financial plan.

Why People Hold Onto Their Employer Stock

When Loyalty Becomes Risk: Why It’s Time to Diversify Employer Stock

The data is clear: Concentrated stock increases risk, and economic downturns and market corrections often hit concentrated stock positions hard. But even when investors theoretically know this, many still struggle to sell. 

Why? Because money decisions aren’t made in spreadsheets—they’re made by humans.

And humans are guided by loyalty, pride, nostalgia, identity, and the deep desire to feel like we bet on the right thing.

Employer stock is rarely “just stock.”

It represents the late nights, the high-stakes projects, the promotions earned, and the belief that you were part of something special. Selling can feel like severing your connection to a team you helped build or stepping out before the story is “done.”

But here’s the hard truth: emotional attachments don’t protect portfolios.

We’re not saying your company is doomed or that employer stock is inherently bad. In fact, employer equity can be a powerful wealth-building tool—but only if it’s part of a strategic, diversified plan. 

Your investment plan and choices should reflect your goals for the future, not your attachment to the past.

Ask yourself: If your employer stock price drops 40% overnight—because of a market shock, a product recall, a CEO scandal, or another completely unforeseen circumstance—will your faith in the company restore your portfolio value? 

Probably not, but emotion often drives investors to hold on longer than reason suggests—not because they lack discipline, but because they’re human.

There are three common emotional traps investors fall into that lead to holding concentrated employer stock for too long:

      1. Emotional attachment. When you’ve invested your time, talent, and energy in your company, selling can feel like you’re betting against your home team—or even your own success.
      2. Fear of missing out. You think, “What if the stock doubles next year? I don’t want to sell too early and leave money on the table.”
      3. Comfort. Doing nothing feels safer than making a change, especially when what you’ve done so far has worked for you, and selling might mean you have to pay a rather large tax bill.

These are deeply human responses, but they aren’t investment strategies—and recognizing them is the first step towards protecting your wealth from avoidable risk.

Case Study: When Success Creates Stagnation

An Apple Employee Holding Concentrated, Appreciated Stock

We once worked with a woman who spent her early career at the Apple Store. She wasn’t a tech executive or high-earning engineer—just someone who believed deeply in the company and fully participated in its employee stock purchase plan. Over decades, she bought consistently, held through market ups and downs, and watched those shares grow into a multimillion-dollar portfolio.

On paper, she’s a financial success story. Apple’s meteoric rise turned her modest contributions into life-changing wealth. But there’s a catch: she can’t bring herself to spend it.

Now in her 60s, she’s still working to cover her expenses—not because she doesn’t have wealth, but because she’s afraid to touch it. Selling her Apple shares feels like undoing the very thing that gave her security in the first place, and that’s frightening. 

Emotionally, that stock is her reward for years of discipline. It represents security and validation that she made the right decisions—but the reality is that she’s living with more fear than freedom and it’s keeping her stuck.

She takes small dividends here and there, but most of her wealth remains tied to a single company she doesn’t control, and her future is dependent on market outcomes she can’t predict.

After years of watching an investment perform so well, diversification can feel like betrayal. For her, letting go of Apple stock would mean letting go of the identity and pride that comes with it; it means letting go of the thing that made her wealth possible. 

That loyalty—while completely understandable—is preventing her from using the wealth she’s built to live the life she deserves and enjoy the freedom she’s earned. 

If your company’s stock price falls precipitously, none of those emotional loyalties or shoot-for-the-stars hopes will build your account balance back up. 

And that’s the true cost of holding appreciated assets for too long. 

It’s not just about returns or risk—it’s about opportunity and quality of life. It’s about whether your money is working for you, or you’re still working for your money.

So here’s the question to ask yourself: If the current value of your employer stock already meets your financial freedom number, is the hypothetical “reward of more” really worth risking the security of “enough?”

When it comes to financial freedom, your company stock may have gotten you here, but only YOU can get yourself there.

And here’s the thing: You don’t need to time the market perfectly to come out ahead. You just need to take calculated steps to protect what you’ve built.

We use the term “financial freedom number” interchangeably with the amount you need to retire—which means you no longer work because you have to, you work because you want to. That number is different for everyone, and it depends on what you need to live a life that allows you to thrive.

Not sure what that number is? Check out our Retirement Guide.

Whether you’re looking to retire in a few years or a few decades, this step-by-step guide can help you gain clarity on what you need, and help you identify if you’re on track—while also alerting you to the most common retirement planning risks and mistakes folks make along the way.

The Case for Doing Less, Better: Diversifying Your Portfolio

If there’s one thing decades of research tell us, it’s that wealth isn’t built by doing more—it’s built by doing what works, consistently.

As Dimensional founder David Booth writes in his op-ed for Kiplinger, ”Doing Less Can Lead to More,” investing success is about discipline, not hustle. Timing the market or chasing “the next big thing” rarely pays off. Instead, investors should focus on diversification, long-term growth, and evidence-based strategy.

Diversification isn’t just a good idea, it’s essential for long-term financial success. 

That can be a hard shift for people who have built their wealth through perseverance and conviction, especially when that commitment is tied to a company they’re emotionally and financially invested in. 

But selling your employer stock isn’t about “abandoning ship.” It’s giving the market room to do what it does best: reward patient, disciplined investors over time.

At Hendershott Wealth Management, we don’t just tell you to diversify—we help you do it strategically and tax efficiently. Our goal is to turn discipline into freedom by protecting what you’ve built and positioning it for what’s next.

Take Control of Your Wealth and Long-Term Financial Security

Employer stock can be a powerful wealth-building tool, but only if it’s managed intentionally.

By selling strategically, locking in gains, and reinvesting in a globally-diversified portfolio, you can reduce concentration risk, protect what you’ve earned, and create a more secure financial future. Since it’s common to continue to receive equity compensation throughout your employment, you’ll continue to participate in the company’s success both with wage income and future equity comp as long as you are employed there. 

The key is to stay focused on your long term—not the market’s headlines or your company’s short-term performance.

We understand that selling employer stock can feel emotional. It’s easy to get caught up in loyalty, fear of missing out, or simply the comfort of doing what’s familiar. That’s why we guide our clients through each step with education, evidence, and empathy—so they can act with clarity and confidence instead of staying stuck.

And most importantly, we are independent fiduciary advisors which means we don’t earn commissions or sell products; we act solely in your best interest.

Our goal is simple: to help you build, grow, and keep your wealth.

You already did the hard work to earn your money. You can make the next step easy by letting us help you protect and preserve it.

If you’re ready to create a smart, tax-efficient strategy for selling your employer stock and diversifying your portfolio—our team would love to help. 

Hit the button below to get started with a Discover Call, where you’ll be paired with one of our Lead Advisors to discuss your current financial status, assess your potential tax drag from selling your employer stock, and start talking about building a custom plan that explores what’s possible for your wealth.

Next: A Four-Step Plan For Selling Concentrated Employer Stock

Learn the practical steps to unwind concentrated risk, minimize taxes, and reinvest with confidence.
Because the ultimate goal isn’t just diversification—it’s freedom.

Resources

Because every investor’s situation is unique, the right next step can look different for everyone. Here are answers to some of the most common questions we hear from clients who are holding large positions in their employer’s stock—and wondering when (and how) to start diversifying.

Frequently Asked Questions

1. How much employer stock is “too much”?

Most fiduciary advisors recommend limiting any single stock position to no more than 10–15% of your total portfolio – and a strong argument can be made for a 5% ceiling. Once your exposure climbs beyond that, your financial future becomes increasingly dependent on the performance of one company—and even the strongest companies can face unexpected downturns.

2. Why is holding employer stock risky if my company is doing well?

Because concentration increases volatility. Even market leaders face product recalls, leadership changes, or industry shifts that can quickly erode value. When your income and your investments depend on the same company, you double your risk instead of diversifying it.

 

3. What’s the right time to sell my company stock?

There’s rarely a single “perfect” time. The right time depends on your goals, tax situation, and emotional readiness. Many investors sell gradually to smooth timing risk, while others sell all at once to eliminate concentrated risk immediately. What matters most is that your decision follows a plan—not emotion or market hype.

4. Won’t I miss out on future gains if I sell now?

Maybe—but diversification isn’t about giving up opportunity. It’s about spreading opportunity across thousands of investments instead of betting everything on one. If your company continues to perform well, you’ll still benefit through your diversified holdings, while also protecting your portfolio from downside risk.

5. What if selling triggers a big tax bill?

Realizing taxable gains is inevitable when you sell appreciated stock, but surprises are avoidable. A tax savvy financial advisor – like our HWM team — can help you model the tax impact, plan estimated payments, and explore tax-efficient strategies like staged sales and charitable gifting – and for suitable investors, tax-aware investment strategies to offset realized gains.

6. Can I reduce risk without selling all my shares?

Yes. Diversification can happen in stages. You can gradually reduce exposure through planned sales, 10b5-1 trading plans, or options strategies—wihch are all designed to balance tax efficiency, compliance, and emotional comfort. The key is to act intentionally and not wait for the market to make the decision for you.

7. How can Hendershott Wealth Management help me diversify my employer stock?

Our advisors specialize in Ultra Tax Efficient Wealth Management®, a proprietary framework that integrates investing, tax efficiency, and behavioral strategy. We can help you evaluate your equity type, create a personalized, tax-forward selling plan that minimizes what you owe in capital gains tax, and reinvest the proceeds in a globally-diversified, tax-aware portfolio so your money continues working for you.

Disclaimer:

All investing involves risk, including the potential loss of principal. There is no guarantee that any investment plan or strategy will be successful. Advisory services provided by Hendershott Wealth Management, LLC (“HWM”), an investment advisor registered with the U.S. Securities and Exchange Commission. Registration does not imply a certain level of skill or training.

All written content in this article is for information purposes only and does not constitute an offer, or solicitation of an offer, or any advice, or recommendation to purchase any securities or other financial instruments–and may not be construed as such. Opinions expressed herein are solely those of HWM, unless otherwise specifically cited. Material presented is believed to be from reliable sources and no representations are made by our firm as to another parties’ informational accuracy or completeness. All information or ideas provided should be discussed in detail with an advisor, accountant or legal counsel prior to implementation.

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