Donor-advised funds for people with equity compensation

A software engineer who vested heavily during a long bull market often ends up in an awkward spot: a pile of company shares worth far more than they cost, a high marginal tax rate, and a genuine desire to give to causes they care about. Writing a check to charity from a paycheck is the obvious move — and it is also the most expensive way to give. The shares sitting in the brokerage account are the better currency. Donate the appreciated stock instead of the cash, and you skip the capital gains tax entirely while deducting the full market value — two tax breaks stacked on top of a gift you were going to make anyway.

The 30-second answer: If you hold company stock that has appreciated and you have owned it more than a year, donating those shares directly to a donor-advised fund beats donating cash. You avoid the capital gains tax you would owe on a sale, and you deduct the shares' full fair market value, not just what you paid. A donor-advised fund lets you take that deduction in one high-income year, then recommend grants to charities over time. The deduction for appreciated stock is capped at 30% of your adjusted gross income, with a five-year carryforward for the excess. Pair it with "bunching" — concentrating several years of giving into one year — to clear the standard deduction and make every donated dollar actually count against your taxes.

This guide is a spoke off the broader tax-saving playbook, which surveys the full set of levers RSU holders can pull — loss harvesting, net unrealized appreciation, charitable giving, and more. Here we go deep on the charitable lever: how donor-advised funds work, why donating appreciated shares beats donating cash, how the bunching strategy clears the standard deduction, where the AGI limits bite, and the mistakes that quietly erase the benefit. The audience is the charitably inclined high earner with a brokerage account full of long-term company stock.

Why appreciated stock is the wrong thing to sell and the right thing to give

Start with the asset most RSU holders have too much of: company shares that vested years ago and have run up well past their cost basis. Your basis in an RSU lot is the share price on the day it vested — the value you already paid ordinary income tax on. Everything above that is unrealized capital gain. Sell the lot and you owe tax on that gain. Hold it and you carry concentration risk in a single stock.

There is a third path that most people overlook. If you are going to give money to charity, the appreciated shares are the most tax-efficient thing to hand over. Two breaks stack:

• You skip the capital gains tax. A public charity — including the sponsor of a donor-advised fund — is tax-exempt. When it receives your donated shares and sells them, it pays no tax on the appreciation. The gain that would have cost you up to 23.8% federally simply evaporates.
• You deduct the full fair market value. As long as the shares are long-term — held more than one year — your charitable deduction equals the shares' market value on the donation date, not the lower amount you paid for them.

Contrast that with the naive approach: sell the shares, pay the capital gains tax, then donate the smaller after-tax amount and deduct that. You give less and deduct less. The donate-the-shares route lets the pre-tax value flow straight to the charity and the full value flow onto your tax return.

The mechanics matter. To capture the full fair market value deduction, the lot must be long-term (held more than one year) and at a gain. Short-term lots and loss lots get different, worse treatment — covered later. For now, the rule is simple: among your holdings, the ideal donation candidate is the long-term lot with the largest embedded gain.

Bottom line: appreciated long-term company stock is the most expensive thing to sell and the most efficient thing to give — donating the shares directly skips the capital gains tax and deducts full market value, while selling first wastes both advantages.

What a donor-advised fund actually is

A donor-advised fund, or DAF, is a charitable account you open at a sponsoring public charity. Many of the largest sponsors are the charitable arms of big brokerage firms, which makes contributing appreciated stock straightforward — the shares can often move in-kind from your brokerage account into the DAF.

The flow has three steps:

1. Contribute. You move cash or, more usefully, appreciated shares into the DAF. The contribution is irrevocable — it now belongs to the sponsor and cannot return to you.
2. Deduct. You take the charitable deduction in the tax year you contribute, regardless of when the money eventually reaches an operating charity.
3. Grant over time. You recommend grants from the account to the qualified charities you want to support, on whatever schedule suits you. Meanwhile the balance can be invested and grow tax-free inside the account.

The decoupling is the point. The tax deduction happens the moment you contribute; the actual giving can stretch over years. That separation is what makes a DAF the natural vehicle for two strategies that follow: front-loading a deduction into a high-income year, and bunching several years of gifts into one.

One honest caveat about irrevocability: only contribute what you are truly committed to giving away. The money cannot come back. It also cannot be used to benefit you personally — you cannot use a DAF grant to pay a pledge that buys you a gala seat or any other personal benefit. The advisory privilege you keep is the right to direct grants and, usually, to choose how the balance is invested while it waits.

Bottom line: a donor-advised fund is an irrevocable charitable account that lets you take the deduction now and distribute to charities later, which is exactly the flexibility an RSU holder needs to time a large deduction into the right year.

Worked example. Donating shares versus selling and donating cash

Numbers make the case concrete. Suppose you want to make a $50,000 gift, and you hold a long-term lot of company stock currently worth $50,000 with a cost basis of $20,000 — an embedded long-term gain of $30,000. Assume you are a high earner in the top long-term capital gains bracket (20% plus the 3.8% net investment income tax, 23.8% effective) and the top ordinary bracket (37%), so your charitable deduction is worth 37 cents on the dollar.

	Donate shares directly	Sell shares, donate cash
Gift to charity	$50,000 of stock	Net cash after tax
Long-term gain	$30,000	$30,000
Capital gains tax at 23.8%	$0 (charity sells tax-free)	$7,140
Amount that reaches charity	$50,000	$42,860
Charitable deduction	$50,000	$42,860
Deduction value at 37%	$18,500	$15,858

Donating the shares directly avoids the $7,140 capital gains tax and produces a deduction worth $18,500, for a combined tax benefit of about $25,640 against a $50,000 gift. Selling first hands $7,140 to the IRS, shrinks the gift to $42,860, and shrinks the deduction's value to $15,858 — a combined benefit of $15,858 on a smaller gift.

Put differently: donating the shares means the charity receives the full $50,000 and your net out-of-pocket cost of giving is roughly $24,360 ($50,000 less the $18,500 deduction and the $7,140 of avoided tax, netted against the value given). Selling first means the charity receives less and costs you more per dollar delivered. Same intention, materially better outcome.

Bottom line: on a $50,000 gift of stock with a $20,000 basis, donating the shares directly avoids $7,140 of capital gains tax and delivers the full $50,000 to charity, while selling first leaves the charity with only $42,860 and you with a smaller deduction.

Bunching: clearing the standard deduction

The second strategy answers a quieter problem. The 2025 standard deduction is about $15,000 for single filers and about $30,000 for married couples filing jointly. You only get a tax benefit from charitable gifts to the extent your itemized deductions exceed that standard amount. A married couple giving $20,000 a year to charity, with little else to itemize, falls below the roughly $30,000 standard deduction — so their giving produces no marginal tax benefit at all. They would take the standard deduction anyway.

Bunching fixes this. You concentrate several years of intended giving into a single year — ideally a high-income year — using a DAF to absorb the lump sum, take one large itemized deduction that clears the standard deduction, then take the standard deduction in the off years. The charities still receive steady support, because you recommend grants out of the DAF on your normal schedule. You have only moved the tax deduction, not the giving.

Worked example. Bunching three years into one

Take a married couple who intend to give $20,000 a year for three years and have no other itemizable deductions. Compare giving annually versus bunching all three years into a single $60,000 DAF contribution. Assume the standard deduction is about $30,000 and the couple's marginal rate is 37%.

	Give $20,000/year	Bunch $60,000 into year 1
Year 1 deduction taken	$30,000 (standard)	$60,000 (itemized)
Year 2 deduction taken	$30,000 (standard)	$30,000 (standard)
Year 3 deduction taken	$30,000 (standard)	$30,000 (standard)
Total deductions over 3 years	$90,000	$120,000
Extra deduction from bunching	—	$30,000
Tax saved from the extra deduction at 37%	—	$11,100

Giving $20,000 a year, the couple never clears the $30,000 standard deduction, so their $60,000 of total giving produces zero itemized benefit — they take the standard deduction all three years. Bunching the same $60,000 into year one pushes their year-one itemized deductions to $60,000, $30,000 above the standard deduction, then they take the standard deduction in years two and three. The bunching path captures an extra $30,000 of deductions over the three years, worth about $11,100 in tax at a 37% rate — money the annual giver simply leaves on the table.

Make the bunched contribution with appreciated stock rather than cash and you layer the earlier benefit — avoided capital gains tax — on top of the bunching benefit. Time the bunch into a year with unusually high income (a large vest, a bonus, an acquisition payout) and the deduction lands against your highest-bracket dollars.

Bottom line: small annual gifts that never clear the standard deduction deliver no tax benefit, but bunching several years of giving into one DAF contribution clears the threshold and, in this case, captures about $11,100 the annual giver loses.

Worked example. The 30%-of-AGI limit and the carryforward

The appreciated-stock deduction has a ceiling worth knowing before you write a large gift. Long-term appreciated property given to a public charity — including a DAF sponsor — is deductible up to 30% of your adjusted gross income in the contribution year. Cash to a public charity gets a higher 60% of AGI ceiling. Anything over the limit is not lost; it carries forward up to five years, subject to the same limits each year.

Consider a donor with $200,000 of AGI who contributes $80,000 of appreciated long-term stock to a DAF in one year.

	Amount
Adjusted gross income	$200,000
30%-of-AGI limit for appreciated stock	$60,000
Stock donated this year	$80,000
Deductible this year	$60,000
Carried forward to next year	$20,000

The donor deducts $60,000 this year — the 30% ceiling — and carries the remaining $20,000 forward, where it can be deducted next year (again subject to that year's 30% limit) and onward for up to five years until used. The gift is fully deductible eventually; the limit only governs the timing.

Two planning notes follow. First, if you expect a single very large stock gift to bump against the 30% ceiling, you can spread the contribution across two tax years to deduct more sooner, or pair appreciated shares (30% ceiling) with a cash gift (60% ceiling) to use both limits in the same year. Second, the limits stack in a defined order when you give both cash and property in one year — appreciated-property gifts and their carryforwards interact with the cash limits, so a large mixed gift is worth modeling with a tax adviser rather than estimating.

Bottom line: appreciated stock is deductible up to 30% of AGI with a five-year carryforward, so an $80,000 stock gift on $200,000 of AGI deducts $60,000 now and $20,000 later — the limit delays the benefit but never destroys it.

How DAF giving fits the rest of the RSU tax toolkit

Charitable giving is one lever among several for an RSU holder, and it pairs naturally with the others rather than competing with them. The table below places it against the adjacent strategies in the tax-saving playbook.

Strategy	What it does	Best lot to use
Donate appreciated stock to a DAF	Skips capital gains, deducts full value	Long-term lot with the largest gain
Tax-loss harvesting	Realizes losses to offset gains and income	Lots trading below their vest-date basis
Net unrealized appreciation (NUA)	Converts gain on employer stock in a 401(k) to capital gains rates	Highly appreciated employer stock inside a workplace plan
Exchange fund	Defers gain while diversifying	A very large, low-basis concentrated position

The strategies are complements. You harvest losses from your underwater lots, donate your most-appreciated long-term lots, and keep the rest for diversification or retirement. The DAF specifically claims the high-gain long-term winners you intend to give away — which is exactly the lot you would least want to sell and pay tax on.

For the practical mechanics of picking lots, a clean record of cost basis and holding period for every vest is essential, since the donation decision turns entirely on which lots are long-term and which carry the biggest gains. Many RSU holders track this in a cost-basis spreadsheet precisely so that decisions like this one are a lookup rather than a guess.

Bottom line: donating appreciated stock to a DAF slots cleanly alongside loss harvesting, NUA, and diversification — each strategy claims a different lot, and the DAF claims the high-gain long-term winners you were going to give away anyway.

Common mistakes

A handful of errors quietly erase the benefit or trigger an unwanted tax bill. Each is avoidable.

• Donating short-term shares. A lot held one year or less is short-term, and your deduction is limited to your cost basis, not fair market value. You forfeit the entire appreciated-stock advantage. Wait for the lot to cross the one-year mark before donating it.
• Donating loss shares. If you donate shares that have fallen below your basis, you give away the unrealized loss along with the stock — you cannot claim it. The right move is to sell the loss lot yourself, harvest the capital loss to offset other gains, and donate the cash. Donate winners; sell losers.
• Selling first, then donating the cash. This is the default instinct and it is wrong for appreciated lots. Selling triggers the capital gains tax and shrinks both the gift and the deduction, as the first worked example showed. Move the shares in-kind instead.
• Giving below the standard deduction every year. Steady small gifts that never clear the standard deduction produce no marginal tax benefit. Bunch them into one DAF year instead.
• Ignoring the 30% AGI ceiling on a large gift. A stock gift above 30% of AGI is not fully deductible this year; the excess carries forward. If you need the deduction sooner, plan the gift across years or pair it with cash.
• Treating the contribution as reversible. A DAF contribution is irrevocable. The money cannot come back to you and cannot fund anything that benefits you personally. Only contribute what you have decided to give away.

Bottom line: the benefit survives only if you donate long-term winners, never short-term or loss lots, move shares in-kind rather than selling first, and respect both the standard-deduction math and the irrevocable nature of the gift.

The closing read

For a high earner with a brokerage account full of appreciated company stock, charitable giving is one of the few places where the most tax-efficient move and the most generous move are the same move. Donating long-term appreciated shares directly to a donor-advised fund skips the capital gains tax and deducts full market value, so the charity receives more and your tax bill falls further than writing a check ever could. Layer bunching on top — concentrating several years of giving into one high-income year — and even a modest giver clears the standard deduction and starts getting credit for gifts that previously produced nothing on the return.

The discipline is in the details: donate only long-term winners, never short-term or loss lots; move shares in-kind rather than selling first; mind the 30%-of-AGI ceiling and its five-year carryforward; and remember that the contribution is irrevocable. Get those right and the strategy does real work, year after year, on a position you were probably overexposed to anyway. Run your own numbers, confirm your lots' holding periods, and loop in a tax adviser before a large or mixed gift — the framework is straightforward, but the dollars are large enough to be worth precision.

Cross-references

• The RSU tax-saving playbook: harvesting, NUA, and DAFs
• What to do with vested RSUs: the diversification playbook
• Turning RSUs into a retirement corpus: 401(k) and Roth
• Funding life goals with RSUs: house, 529, and goal-based selling
• Net unrealized appreciation (NUA): the complete guide
• Tax-loss harvesting and the wash-sale rule
• The Section 83(b) election for RSAs and early exercise
• Exchange funds (swap funds) for concentrated stock
• US residents: the complete RSU guide for 2026
• State tax optimization for RSU holders in 2026
• What is an RSU (restricted stock unit)?
• Should you sell RSUs at vest or hold?

Critical disclaimer: This guide is educational and not tax, legal, or investment advice. Charitable deduction limits, standard deduction amounts, capital gains rates, and donor-advised fund rules change and depend on your specific circumstances. The worked examples use simplified assumptions to illustrate the mechanics and are not predictions of your outcome. Donor-advised fund contributions are irrevocable. Consult a qualified tax adviser and review your sponsor's documents before making a large or mixed charitable gift.