Quick answer
When does an exchange fund make sense for a concentrated position?
An exchange fund makes sense when one stock is a large share of your net worth, your cost basis is low, you want broad diversification more than income, and you can lock the money up for about seven years. It defers the capital gains tax that selling would trigger, keeping that tax invested and compounding.
Key takeaways
- 01Selling a $2M low-basis position can cost $470K+ in federal tax before state tax; deferral keeps that capital invested.
- 02State tax changes the math a lot: California adds up to 13.3%, while Texas and Florida add nothing.
- 03Exchange funds fit diversification goals; they are a poor fit if you need income or liquidity within seven years.
- 04Many holders split the position: diversify part, earn income on the rest.
| Best fit | Low basis, long horizon, diversification goal |
|---|---|
| Federal LTCG + NIIT | Up to 23.8% |
| Top state add-on | California, 13.3% |
| Lock-up | About 7 years |
| Poor fit | Need income, cash or a sale within a few years |
The Short Answer
When does an exchange fund make sense?
An exchange fund makes sense for a concentrated position when (1) the unrealized gain is a large share of the value, (2) your combined capital gains rate is high, (3) you can leave the money alone for seven years, and (4) you actually want to own less of the stock. If any of these is missing, a sale, a hedge or an income structure may fit better.
37.1%
Top combined rate in California (20% + 3.8% + 13.3%)
23.8%
Top federal rate in a no-tax state
90%
Share of value that is gain at a 10% basis
Run Your Numbers
How much tax does deferral keep invested?
Calculator
Deferral value calculator
Enter your position, basis and combined capital gains rate.
Tax due if you sell today
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Left to reinvest after selling
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Extra capital kept working by deferring
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Illustrative only; ignores fees, state residency changes and the AMT. Combined rate = federal LTCG + 3.8% NIIT + state.
Tax by State
How does your state change the math?
Chart
Tax on selling a $2M position with $200K basis
Fit Test
Is an exchange fund right for your position?
Is your gain over ~60% of the position's value?
Below that, the tax saved by deferring may not cover seven years of fees.
Can you go seven years without this capital?
Early exits usually return your own shares, undoing the point.
Do you actually want less of this stock?
If you still believe in it, you're paying fees to give up upside you wanted.
Do you qualify, and is your ticker accepted?
Many funds require qualified-purchaser status and cap popular names.
Where Embark fits
Deferral keeps the money working. Income makes it pay you.
Enter your ticker and see what a tax-deferred contribution could target in annual income.
- Defers capital gains like an exchange fund: $0 tax at contribution
- Adds a 10%+ annual income target on top of deferral
- Keeps your stock's upside instead of diluting it into a pool
Run the numbers
Live prices · takes under a minute · no obligation
Alternatives
What are the alternatives to an exchange fund?
| Approach | Tax now | What you give up |
|---|---|---|
| Sell in stages | Yes, spread over years | Concentration risk while you wait |
| Exchange fund | No | 7-year liquidity, fees, your stock's specific upside |
| Collar / prepaid forward | Usually no | Upside above the cap; complex rules |
| Borrow against it | No | Interest cost; margin-call risk |
| Embark SPV | No | 3-year lock-up; upside beyond strategy limits |
The full ranking by tax efficiency is in Tax-Efficient Diversification Strategies, Ranked, and the timing question is in When to Diversify Concentrated Stock.
Split the Position
Can you diversify part of the position and earn on the rest?
Holders rarely need an all-or-nothing answer. A common pattern is to put the share they want to diversify into an exchange fund, keep a conviction core, and put that core to work for income. On a $4M position, for example, $2M into an exchange fund and $2M into an income SPV targeting 10% would aim for roughly $200K a year while the other half diversifies.
Chart
Illustrative $4M split: annual income target
FAQ
Frequently asked questions
Is an exchange fund better than selling a concentrated position?
It can be when the gain is large, the tax rate is high and you can hold for about seven years, because more capital stays invested. It is worse if you need liquidity, if fees outweigh the deferral value, or if your basis is already high.
How much stock do you need for an exchange fund?
Minimums vary. Traditional funds have reportedly required around $500K to $1M; some newer platforms start near $100K for accredited investors when they have capacity.
Does an exchange fund avoid capital gains tax forever?
No. It defers the tax. Your basis carries over to the basket you receive. You can avoid it permanently only through a step-up at death or by donating the shares.
Can I use an exchange fund for RSU shares?
Yes, once the shares are vested and owned outright, and typically held for at least a year. The fund must also accept your ticker.
What percentage of my portfolio is too concentrated?
A common rule of thumb flags any single stock above 10% to 20% of your liquid net worth as concentrated. Above that, one bad year in that stock can change your financial plan.
Can I contribute more than one stock to an exchange fund?
Usually yes, as long as each stock is on the sponsor's accepted list and the combined value meets the minimum. Sponsors limit how much of any one stock they accept to keep the pool diversified.
Can I put company stock I just received from an IPO into an exchange fund?
Only once it is freely tradable. Shares under an IPO lock-up, unvested awards and many restricted securities are not accepted until the restrictions lift.
Sources
Rates and statutes
Sources
Cite this article
Embark Funds Research. “Exchange Funds for Concentrated Positions.” Embark Funds, updated October 15, 2026. https://www.embarkfunds.com/insights/exchange-funds-for-concentrated-positions
Not tax or legal advice: This article is educational. Exchange funds, partnerships and gifts carry rules that depend on your facts. Work with a CPA and an attorney before acting. Embark income figures are targets, not guarantees.
Exchange Funds & SPVs Series
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Deferral plus income
Keep 100% Working and Get Paid While You Wait
An exchange fund defers the tax. Embark defers it too, keeps your stock, and targets 10%+ annual income. Run your ticker to see the number.