Concentrated Stock Positions How to Diversify and Minimize Capital Gains Taxes
You worked at the same company for twenty, thirty years. You got your stock through RSUs or an employee purchase plan, mostly because that was just how the job worked, and you held onto it because you understood the company and you believed in it. Then IBM ran up. Or Cisco. Or Intel. Or you bought Nvidia or Tesla on a hunch five years ago, and it did something no one predicted. That one position is more than a slice of your portfolio anymore, it’s now half of it, or close to it.
Here’s the part almost no one tells you before you’re standing in the middle of it. That stock got you here, and it can still cost you a fortune to leave.
Why This Feels Different Now Than It Did at 40
When you were still working, a 30 or 40 percent drop in a single stock stung, but it didn’t threaten your life. You had a paycheck and you had time, so you could ride it out for a decade and let the story play out.
The math changes the moment you’re living off the portfolio instead of a salary. If 1 million dollars in concentrated stock drops to six hundred thousand, you haven’t just lost four hundred thousand on paper. You’ve lost access to it, because pulling money out of a position that’s down that far locks in the loss and starves the compounding you need for the next twenty or thirty years.
The real risk of concentration in retirement is that a hard, fast run-up followed by a hard, fast pullback can happen to any single stock in any given year, and your income no longer has a cushion under it while you wait for a recovery.
Look at the index itself for proof. A broad index dropping 50 percent is rare enough that most of us can only point to one or two years in our lifetime. A single stock dropping 30 to 50 percent happens somewhere in the market every single year. When you hold one name instead of the index, you’re not avoiding that risk. You’re just betting it won’t land on you.
Don’t Get This Question Wrong
Most people start with “should I sell, or should I hold.” That’s the wrong question, one that keeps people frozen for years. The actual question is a tax question: how do I reduce this position without handing an unnecessary chunk of it to the IRS in the process?
If your stock went from $100 to $2,000 a share, that gain is where the tax bill is hiding. Sell it all in one year, and you can push yourself into a much higher bracket than you’d ever choose on purpose, on income you didn’t even need that year. That’s the trap. The stock did its job. The tax planning around selling it usually didn’t happen at all.
Three Ways to Actually Unwind a Concentrated Position
None of these are secrets. They’re just rarely coordinated by the same person who’s also managing your investments and your tax strategy, which is exactly why most people never use more than one of them.
Bracket-aware selling, year by year. Instead of selling everything at once, you sell in slices sized to where your income already sits that year, so you’re realizing gains at the lowest rate available to you rather than the highest. What that number looks like changes every year based on your other income, so this only works if someone is closely watching annually, not setting it once and walking away.
Tax loss harvesting through direct indexing. These surprise people the first time. If your other, non-retirement money is invested to track something like the S&P 500 through individual stocks rather than a fund, some of those five hundred positions will be down in any given year, even while the index overall is up. Those losses can be harvested and banked, then used to offset the gains you realize when you finally sell your concentrated stock. Done well, this can let you diversify out of a large gain with little or no tax bill in that year. It isn’t a trick and it isn’t free money. You’re mimicking the index closely enough to capture losses that would exist anyway and putting them to work.
Donor advised funds, if giving is already part of your plan. If you’re charitably inclined, gifting the most highly appreciated shares directly into a donor advised fund lets you give the full value of the stock without paying tax on the gain first, and you still get to direct where the giving goes over time. For someone sitting on a large, embedded gain who already gives, this is one of the most efficient moves available.
And Don’t Skip This Step
What we see most often with sharp, financially capable people is an understanding of every one of these strategies individually. But without someone tracking their income, their tax bracket, their harvested losses, and their giving plan together, every year, aren’t one coordinated decision and instead three separate ones made by three separate people who never talk to each other.
Ask any advisor you’re evaluating this: who is actually running my tax strategy while you run my portfolio? If the honest answer is “we hand that off,” you’ve found a gap to close.
If you’re the one who’s handled all of this for years and your spouse hasn’t gotten into the weeds of it, build the plan so they understand where the money is and why, not just that it’s being watched. Instead of making your spouse manage a spreadsheet, the goal is to layout the plan so it makes sense if they’ ever the one holding it alone.
Continuing to sit still on a concentrated position compounds your problem while you wait. Create a plan that unwinds it on your terms to fuel your goals for retired living, on a timeline built around your tax picture instead of your nerves.
When you’re ready to see what that would like with your numbers, schedule a call with our team. We’ll start to walk through your specific position and show you where the tax opportunities sit before you decide anything.