Exchange Funds and Structured Notes for Concentrated Positions

Atlatl AdvisersJuly 20268 min read

A mountain range catching first light
Investments & Markets

Exchange funds and structured notes are two products commonly presented to investors holding a large, low-basis stock position, and they solve different problems with very different trade-offs. An exchange fund lets you contribute appreciated stock to a partnership alongside other investors, receive a diversified interest without triggering capital gains, and withdraw a diversified basket after a seven-year holding period. It does defer tax and reduce single-stock risk, but it requires qualified purchaser status, generally meaning at least $5 million in investments, locks up capital for seven years, holds at least 20% in real estate to satisfy the tax rules, and carries ongoing fees. A structured note is something else entirely: a debt instrument issued by a bank whose return is tied to an index or stock, often offering downside buffers in exchange for capped upside. Notes carry the issuing bank's credit risk, are illiquid, and embed costs that are difficult to see. Both deserve scrutiny rather than enthusiasm, and both should be compared against simpler alternatives before being adopted.

What problem are these solving?

A concentrated position creates two conflicting pressures. The risk of holding a large share of your wealth in a single company is substantial and largely uncompensated, since idiosyncratic risk carries no expected return premium. But selling triggers capital gains tax, which for a long-held position with near-zero basis can consume a quarter or more of the value once federal, net investment income, and state taxes are counted.

That tension is why the toolkit exists. The full range of approaches, including staged sales, 10b5-1 plans, collars and hedging, charitable strategies, and direct indexing around the position, is covered in managing a concentrated stock position. This article addresses two specific tools in more depth.

The threshold question, worth asking before any product discussion, is whether simply selling and paying the tax is the right answer. For many investors it is. Paying 25% to eliminate a risk that could cost far more is often a rational trade, and it is a great deal simpler than any of the alternatives.

How does an exchange fund work?

An exchange fund is a partnership. You contribute your appreciated shares and receive a partnership interest representing a proportional stake in the pooled holdings of all participants, which collectively form a diversified portfolio. Because the transaction is a contribution to a partnership rather than a sale, no gain is recognized on the way in. Your original cost basis carries over to the partnership interest.

After a required holding period of at least seven years, you may withdraw and receive a diversified basket of securities rather than your original stock, again without recognizing gain. Your carryover basis attaches to what you receive. The tax is deferred, not forgiven, so gain remains embedded and will be recognized when you eventually sell the received securities, unless the position passes at death and receives a step-up in basis, which is the outcome that makes exchange funds especially attractive to older investors.

Two structural requirements shape the product. Participation is limited to qualified purchasers, generally requiring at least $5,000,000 in investments, and most funds impose minimum contributions between $500,000 and $1,000,000. And to avoid being treated as an investment company under Section 721, which would make the contribution taxable, exchange funds must hold at least 20% of assets in qualifying illiquid assets, in practice usually real estate held directly or through partnerships rather than through traded REITs.

What are the drawbacks of an exchange fund?

Four deserve weight before committing.

The seven-year lock.Capital is committed for at least seven years. Early withdrawal typically returns your original shares, or something close, defeating the purpose and potentially triggering tax. Seven years is a long time in a family's life, and the money is unavailable for opportunities, emergencies, or changed circumstances.

The 20% real estate sleeve.You are not buying a clean diversified equity portfolio. Roughly a fifth of your money goes into leveraged real estate that exists to satisfy a tax requirement, not because you wanted the exposure. That component carries its own risk, its own fees, and its own illiquidity.

Fees.Exchange funds charge ongoing management fees that are typically higher than an index fund, and the real estate component adds another layer. Over seven years, those fees compound and must be weighed against the tax deferred.

You do not choose the portfolio.Your diversified exposure is whatever the other participants contributed, which historically has skewed toward large-cap and often technology-heavy holdings, since those are the positions people seek to diversify. The result may be less diversifying than it appears, particularly if your own concentrated position is in the same sector as everyone else's.

The honest summary is that an exchange fund trades one set of problems, concentration and an unrealized tax bill, for another, illiquidity, fees, unwanted real estate exposure, and limited control. It fits best for an investor with a very large low-basis position, no near-term need for the capital, qualified purchaser status, and a plan to hold until death for the step-up.

What is a structured note, and what are the risks?

A structured note is a debt security issued by a bank whose payoff is linked by formula to the performance of an underlying asset, usually an index. A common form offers a buffer, absorbing the first portion of losses, in exchange for a cap on gains over a set term.

The appeal is intuitive: downside protection with equity participation. The complications are less visible.

Credit risk.A note is an unsecured obligation of the issuing bank. If the issuer fails, you are a general creditor regardless of how the underlying index performed. The protection is only as reliable as the issuer.

Illiquidity.Notes are generally intended to be held to maturity. Secondary markets are thin, and selling early typically means accepting a discount to the issuer's own valuation.

Embedded costs.The economics are built from options that the issuer purchases and sells, and the difference between what those components cost and what you pay is the issuer's margin. That cost is not itemized on a statement, which is precisely what makes it difficult to evaluate.

Foregone dividends.Most notes track price returns, not total returns, so you give up dividends over the term. Over several years that is a meaningful drag that rarely features in the marketing.

Tax treatment.It is often unfavorable and can be uncertain, with gains sometimes treated as ordinary income rather than capital gain depending on the structure.

Cap asymmetry.You accept a defined ceiling on gains in exchange for a defined but limited buffer against losses. In a strong market you underperform substantially; in a severe decline the buffer is exhausted and you participate in the losses below it.

Structured notes address a different concern than exchange funds: they are usually presented as risk management for an existing portfolio, not as a diversification tool for a concentrated position. It is worth being clear that they do nothing to solve the embedded capital gain in concentrated stock. Where the goal is truly to reduce single-stock risk with an existing position, a collar or a staged sale is a more direct and generally more transparent approach.

How do the tools compare?

Exchange fund Structured note
What it does Defers gain and diversifies a concentrated position Alters the payoff profile of an index exposure
Tax effect Defers capital gain; carryover basis Often unfavorable; may produce ordinary income
Liquidity Locked seven years Held to maturity; thin secondary market
Principal risks Fees, real estate sleeve, no control over portfolio Issuer credit risk, caps, embedded costs, no dividends
Eligibility Qualified purchaser, generally $5M+ Varies; broadly distributed
Reasonable use Very large low-basis position, no liquidity need, hold to step-up Narrow; requires clear-eyed cost analysis

A worked example: weighing an exchange fund

The following is a hypothetical illustration. An executive holds $6,000,000 of employer stock with a basis of $500,000, representing 60% of her net worth. She is 68 and does not need the capital for spending.

Selling outright would realize $5,500,000 of gain. At a combined federal, net investment income, and state rate of roughly 30%, that is about $1,650,000 in tax, leaving $4,350,000 to reinvest.

Contributing to an exchange fund defers the entire gain, so $6,000,000 remains invested and diversified. Against that, she accepts a seven-year lock, an ongoing fee premium over an index fund, and roughly $1,200,000 of exposure to leveraged real estate she did not choose. Because she is 68 and intends to hold the position for life, the deferred gain would be eliminated by the step-up in basis at death, which makes the deferral permanent rather than merely delayed. That last fact is what tips the analysis in her favor.

Change her age to 45, with a likelihood of needing the capital within a decade, and the same structure looks considerably worse: the lock is more costly, the step-up is remote, and simply selling, paying the tax, and investing the remainder in a low-cost diversified portfolio may serve her better. The figures are hypothetical and simplified.

Frequently asked questions

What is an exchange fund?A partnership into which investors contribute appreciated stock and receive a diversified interest without recognizing capital gain. After at least seven years, participants can withdraw a diversified basket of securities, with the original cost basis carrying over throughout.

Who can invest in an exchange fund?Generally qualified purchasers, meaning investors with at least $5,000,000 in investments, and most funds require minimum contributions of $500,000 to $1,000,000. This limits the tool to substantial concentrated positions.

Why do exchange funds hold real estate?To avoid being classified as an investment company under Section 721, which would make the contribution taxable. Funds typically hold at least 20% in qualifying illiquid assets, usually real estate held directly or through partnerships rather than traded REITs.

Do exchange funds eliminate capital gains tax?No, they defer it. Basis carries over, so gain is recognized when you eventually sell the securities you receive. The deferral becomes permanent only if the position is held until death and receives a step-up in basis.

Are structured notes safe?They are not risk-free. A note is an unsecured obligation of the issuing bank, so it carries issuer credit risk, and it is generally illiquid, caps upside, forgoes dividends, and embeds costs that are hard to observe. Downside buffers are limited, not absolute.

What is the simplest way to reduce a concentrated position?Often just selling in stages and paying the tax, particularly when paired with loss harvesting elsewhere or charitable gifts of the most appreciated shares. Simplicity has real value, and the tax cost is frequently smaller than the risk being carried.

How Atlatl Advisers can help

Atlatl Advisers is a boutique multi-family office in Madison, Wisconsin, serving accomplished families as an independent, fee-only, SEC-registered fiduciary. We act as your personal CFO: one coordinated team for investments, financial planning, tax strategy, and estate coordination, organized around our Liquidity, Lifetime, and Legacy framework.

This article is provided by Atlatl Advisers LLC for informational and educational purposes only. It is not investment, legal, tax, or insurance advice, and it does not consider the particular circumstances of any reader. Consult your own advisers before acting. Atlatl Advisers is an SEC-registered investment adviser; registration does not imply a certain level of skill or training. Information is believed accurate as of June 2026 and may change.

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