QSBS and Trusts: How Trust Structures Affect Your Section 1202 Exclusion

Why trust type is the first question

Founders and investors with significant QSBS positions increasingly use trusts as part of estate and tax planning. But the Section 1202 exclusion is tied to the taxpayer who reports the gain — and whether a trust is treated as a separate taxpayer depends on whether it is a grantor trust or a non-grantor trust for income tax purposes.

Every trust strategy for QSBS starts with this question. The trust document, funding method, and trustee structure determine the answer.

Grantor trusts: transparent, no new exclusion cap

A grantor trust — including revocable living trusts, intentionally defective grantor trusts (IDGTs), spousal lifetime access trusts (SLATs) structured with grantor trust provisions, and certain GRATs — is disregarded as a separate entity for income tax purposes. The grantor reports all trust income on their personal return.¹

This has two consequences for QSBS planning:

• QSBS held inside a grantor trust is treated as held by the grantor. The grantor's own per-issuer exclusion cap applies — not a new, separate cap.
• Transferring QSBS to a grantor trust does not create a new exclusion. It also does not trigger a disqualifying event for Section 1202 purposes, because the grantor is still treated as the owner.

Grantor trusts are still useful as QSBS vehicles — they preserve estate-planning flexibility, allow holding period to continue running, and can later be converted to non-grantor status (subject to careful tax analysis). But they do not generate additional exclusion capacity.

Non-grantor irrevocable trusts: a separate exclusion cap

When a founder gifts QSBS to a completed-gift irrevocable trust that is not a grantor trust, the trust becomes a separate taxpayer. Under IRC § 1202(h)(2)(A), a transfer by gift preserves the QSBS status of the shares — the trust is treated as having acquired the stock in the same manner as the donor and inherits the donor's holding period.²

The practical result: the trust can claim its own per-issuer exclusion cap on a subsequent sale of those shares. For stock issued after July 4, 2025, that cap is $15,000,000 per trust, per issuer (under OBBBA), with tiered exclusion at 50% after three years, 75% after four years, and 100% after five years.³

The stacking strategy: multiple trusts, multiple caps

Because each non-grantor trust is a separate taxpayer, a founder can potentially multiply the Section 1202 exclusion by transferring QSBS to multiple trusts — each of which claims its own cap against gain from the same company.

A worked example with post-OBBBA stock ($15M cap per taxpayer):

In this scenario, $30M of QSBS gain is potentially excluded from federal income tax entirely. Without trust planning, the founder's exclusion covers only the first $15M — the remaining $15M would be taxable at rates up to 23.8% (LTCG + NIIT), or roughly $3.6M in additional federal tax.

This is the mathematical case for non-grantor trust stacking. In practice, the gains must be realized after the required holding period, the gifts must occur before a binding transaction, and each trust must independently satisfy the non-grantor and per-issuer requirements.

IRS scrutiny and the May 2026 stacking warning

In May 2026, Treasury's assistant secretary for tax policy publicly stated that the IRS is developing guidance targeting QSBS stacking strategies and called them "abuse."⁴ As of this writing, no formal regulations have been issued — gifting to family trusts remains legally permissible under current law.

However, the risk profile is not uniform. Gifting to a spouse's trust, a trust for adult children, or a small number of existing estate planning trusts for legitimate family planning reasons represents a different fact pattern than engineering dozens of trusts solely to manufacture exclusion capacity. Anyone planning trust stacking in mid-2026 or later should have counsel monitor for new regulations before completing transfers.

Grantor Retained Annuity Trusts (GRATs) and QSBS

A GRAT is a grantor trust during its term — so the grantor, not the trust, claims any Section 1202 exclusion during that period. However, GRATs can still play a role in a QSBS estate plan:

• A founder transfers QSBS to a zeroed-out GRAT. The GRAT pays annuity payments back to the founder (returning approximately the present value of the stock at transfer). If the stock appreciates faster than the IRS hurdle rate (§7520 rate), the remainder passes to the next trust or beneficiary at no gift tax cost.
• When the GRAT terminates, the remainder interest passes to heirs or to a non-grantor trust. If the QSBS has not yet been sold, that non-grantor trust may claim its own exclusion on a subsequent sale — with the holding period tacked from the grantor's original acquisition date through the GRAT term.

The GRAT strategy requires that the company not be sold during the GRAT term, or that the GRAT shares be exchanged for other consideration in a way that does not trigger gain recognition inside the GRAT. Timing is critical, and the holding period requirements must be satisfied at the time of ultimate sale.

Charitable Remainder Trusts (CRTs) and QSBS

A Charitable Remainder Trust is a tax-exempt entity.⁵ This creates a counterintuitive result for QSBS planning:

• Because the CRT is tax-exempt, it pays no capital gains tax when it sells QSBS — regardless of whether Section 1202 would have applied. The exclusion is effectively irrelevant to the trust itself.
• However, the income beneficiary of the CRT — typically the founder — receives distributions characterized by the CRT's income tiers, which do not preserve the Section 1202 exclusion. Distributions are generally ordinary income and capital gains in the order generated, not the tax-free exclusion the founder would have received from a direct sale.

The net result: funding a CRT with QSBS before a sale can defer recognition of gain over the trust term, but does not reproduce the Section 1202 exclusion benefit for the income beneficiary. A CRT is a charitable planning tool — not a QSBS tax elimination tool. The decision to use one should be driven by genuine charitable intent and income-stream planning, not by tax elimination alone.

State trust siting and the California problem

Non-conforming states — California, Pennsylvania, Alabama, Mississippi — do not recognize the federal QSBS exclusion at all. For a California-resident founder, even a perfectly structured federal exclusion leaves state-level gain fully taxable at up to 13.3%.

One planning approach is siting a non-grantor trust in a no-income-tax state (Nevada, South Dakota, Wyoming, Delaware, Alaska) with an institutional trustee located in that state. In theory, intangible income of such a trust — including gain on QSBS — is sourced to the trustee's commercial domicile, not to California.

In practice, California is aggressive. The state taxes trust income if any grantor, trustee, or noncontingent beneficiary is a California resident. Common structures used to address this include Nevada ING (Incomplete Non-Grantor) Trusts and NING Trusts — where the gift to the trust is intentionally incomplete for gift tax purposes (so no gift tax return is triggered) but the trust is treated as a non-grantor trust for income tax purposes.⁶

Timing: the window that closes

Every trust strategy for QSBS requires that shares be transferred to the trust before a binding obligation to sell exists. Once an LOI, term sheet, or merger agreement creates a legally binding commitment to transfer shares at a fixed price, gifts made after that point are generally treated as a constructive sale followed by a gift of cash proceeds — not a gift of QSBS.⁷

Establishing a non-grantor trust takes time: trust drafting, review, execution, funding, tax ID, and cap table update. For complex structures (dynasty trusts, ING trusts, GRATs with QSBS), the lead time is 6–18 months. Founders who wait until they are in active M&A discussions generally have no viable trust options.

The best time to explore trust planning for QSBS is:

1. Immediately after a funding round — when you receive new shares and a fresh holding period begins. Maximum flexibility.
2. 12–18 months before a realistic exit. Late enough to model the numbers, early enough to execute before any transaction becomes binding.
3. When QSBS value exceeds your per-taxpayer cap. If your shares are worth more than $15M (post-OBBBA) and your gain exceeds the cap, every dollar above the cap is taxable at up to 23.8% federal plus state. That's the signal to model trust alternatives.

What to ask a trust attorney and financial advisor

If you are considering trust structures for QSBS planning, the conversation should cover:

• Is my current trust structure (revocable living trust, family trust) a grantor trust? Will it remain so if I put QSBS in it?
• What type of non-grantor trust fits my estate planning goals — and what ongoing administration is required to preserve non-grantor status?
• How do the gift tax implications of funding the trust interact with my remaining lifetime exemption ($15M for 2026)?
• What state income tax exposure do the trust and its beneficiaries have if I reside in California or another non-conforming state?
• If the company is sold in a structured deal (merger, asset sale, rollover equity), how does the trust's ownership interact with the transaction mechanics?
• What documentation does the trust need to establish QSBS status if the IRS audits the exclusion claim?

See also: QSBS Gifting and Stacking Guide, QSBS State Tax Conformity Guide, and the QSBS Exclusion Calculator.

Get matched with a QSBS planning advisor

Trust planning for QSBS requires coordination across a financial advisor, estate attorney, and CPA — and the window to act closes when a transaction becomes binding. Tell us where you are in the process and we will match you with a fee-only advisor experienced in founder liquidity and QSBS estate planning.

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Sources

1. IRC §§ 671–677 — grantor trust rules. A trust is a grantor trust when the grantor retains certain powers over income, corpus, or administrative control. Cornell LII: IRC § 671.
2. IRC § 1202(h)(2)(A) — transfers by gift. Donee treated as having acquired stock in the same manner as donor; holding period tacked. BDO: QSBS Estate and Trust Planning.
3. IRC § 1202 as amended by the One Big Beautiful Bill Act (OBBBA, P.L. 119-21, signed July 4, 2025). $15M cap for stock issued after July 4, 2025; tiered exclusion 50%/75%/100% at 3/4/5 years. Davis Wright Tremaine: QSBS OBBBA Upgrade; K&L Gates: OBBBA Section 1202 Amendments.
4. Treasury assistant secretary for tax policy, May 2026 conference statement on QSBS stacking as "abuse." No formal regulations issued as of this writing. CBIZ: IRS to Target QSBS Stacking.
5. IRC § 664 — charitable remainder trusts are tax-exempt. Gain inside a CRT is not subject to income tax; distributions to income beneficiaries are characterized under the tier system. Cornell LII: IRC § 664.
6. Nevada ING and NING trust structures for California residents. Dickinson Wright: The Nevada ING Trust; ACTEC Foundation: California Tax Trap and Trust Residency.
7. Step-transaction doctrine and constructive sale risk for QSBS gifts made after a binding LOI. National Law Review: QSBS Stacking, Gifts, and Trusts; Foley & Lardner: QSBS Stacking with Trusts.

Values and rules verified against IRC § 1202 (as amended by OBBBA, July 2025), IRC §§ 664 and 671–677, and IRS 2026 inflation adjustments. Trust planning involves complex state, federal, and estate-law interactions — this guide is educational and does not substitute for individualized legal and tax advice.