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QSBS After OBBBA: Bigger Cap, Earlier Partial Exclusions

If you are building a C corporation and counting on the qualified small business stock (QSBS) exclusion under Internal Revenue Code section 1202, the acquisition date on your stock certificate now matters more than almost any other line on the cap table. Stock acquired after July 4, 2025 sits under a rewritten set of rules. Older shares generally stay under the prior thresholds. Mixing those vintages without a plan is how exclusions get overstated.

Congress expanded section 1202 in the One Big Beautiful Bill Act of 2025 (OBBBA). For qualifying post–July 4, 2025 stock, the shareholder-level gain exclusion can reach the greater of $15 million or ten times basis, the corporation’s gross asset ceiling rises to $75 million, both figures begin adjusting for inflation after 2026, and partial exclusions open at three and four years of holding. The upside is real. So are the traps that have always lived in the statute: original issuance, the active business test, redemptions, partnership transfers, and thin documentation.

Old Rules vs. New Rules at a Glance

Think in two columns. Pre-OBBBA QSBS (stock acquired on or before July 4, 2025) generally still looks like this:

  • Exclusion ceiling: the greater of $10 million or ten times the shareholder’s adjusted basis in the stock.
  • Gross asset test: the corporation’s aggregate gross assets generally cannot exceed $50 million.
  • Holding period: more than five years for the exclusion, or no section 1202 benefit on that sale (unless a section 1045 rollover applies).

For stock acquired after July 4, 2025, OBBBA changes the picture:

  • Exclusion ceiling: the greater of $15 million or ten times basis.
  • Gross asset test: $75 million, with the same “never exceeded before issuance” logic that applied under the older $50 million cap.
  • Holding period tiers: 50 percent exclusion after at least three years, 75 percent after at least four years, and 100 percent after at least five years.
  • Inflation: the $15 million and $75 million amounts are indexed beginning after 2026, so later issuance and sale years may use adjusted figures.

A company that issued founder shares in early 2025, option exercises in late 2025, and preferred stock in 2026 can easily have three QSBS regimes on one capitalization table. Eligible gain on older stock can also reduce how much of the new $15 million limit remains available for the same issuer. Analyze each issuance on its own facts.

Why Three- and Four-Year Exits Matter

Before OBBBA, section 1202 was largely binary for most modern QSBS: hold more than five years and claim the exclusion, or sell earlier and look elsewhere (often to a section 1045 rollover). The new tiers change that math for post–July 4, 2025 stock.

A founder who sells after three years can still exclude half of the eligible gain, subject to the dollar and per-issuer limits. After four years, three-quarters can come off. The full exclusion still rewards a five-year hold. That flexibility helps when a strategic buyer will not wait, when an employee needs liquidity after vesting, or when a secondary process is already in motion. It does not mean every early exit is optimal. Running the after-tax comparison between a partial exclusion now and a full exclusion later is still a planning step, not an afterthought.

The Gross Asset Test Is Not a Snapshot You Can Fix Later

Section 1202 does not simply ask whether the company is under $75 million (or $50 million for older stock) on the day new shares are issued. In broad terms, the corporation generally must show that aggregate gross assets never exceeded the applicable limit before the issuance, and that immediately after the issuance – counting cash or property received for the stock – the company is still under the limit.

If the company once crossed the ceiling, later bringing assets back down usually does not reopen QSBS for new issuances. Earlier qualifying stock can remain eligible if other tests continue to be met. That “no cure” feature surprises founders who expect a temporary overage to be harmless.

Measurement also differs from enterprise value. For this test, aggregate gross assets are usually measured as cash together with the tax basis of other assets, not fair market value. Internally developed software, goodwill, and similar self-created intangibles often add little to the gross asset count even when the business is worth far more. Conversions from a partnership or LLC taxed as a partnership into a C corporation are different: contributed assets are generally tested at fair market value for the gross asset limit, which can push a conversion over the line if the business is already valuable.

Core Qualification Checklist Founders Forget

OBBBA did not repeal the foundational QSBS requirements. Before you model a $15 million exclusion, confirm the basics:

  1. Domestic C corporation. QSBS is a C corporation concept. S corporation status, or a long stretch outside C corporation form during the holding period, can put the benefit at risk for “substantially all” of the shareholder’s holding period.
  2. Original issuance. You generally must acquire the stock from the corporation for money, for property other than stock, or as compensation for services (not as an underwriter). Buying shares from another shareholder on the secondary market usually fails this test. Gifts and inheritances are different: the recipient typically inherits the donor’s or decedent’s QSBS character and holding period.
  3. Option timing. For many option holders, the section 1202 clock starts when the stock is actually acquired under section 83 rules – often the exercise date, not the grant date. Delaying exercise can push the three-, four-, and five-year marks further out.
  4. Active business. For substantially all of the holding period, at least 80 percent of the corporation’s assets by value generally must support active conduct of a qualified trade or business. Working capital and certain research assets can fit within statutory exceptions, but idle cash piles and side investments need monitoring.
  5. Qualified trade or business. Section 1202 lists excluded fields, including many professional services (such as health, law, accounting, consulting, and financial services), banking, insurance, farming, natural resource extraction, and hospitality-style businesses, plus businesses built mainly on employee reputation or personal skill. Software, fintech, and health-tech models often need a fact-specific analysis rather than a label on a pitch deck.

Traps That Wipe Out Otherwise Good QSBS

These issues predate OBBBA and remain easy to miss in a fast-moving company:

  • Stock redemptions. Redemptions around an issuance can disqualify stock that would otherwise qualify. The statute looks at redemptions involving the shareholder or related persons, and at larger corporate redemptions within defined windows. Founder liquidity, tender offers, and cleanup repurchases before a financing all deserve a QSBS review before they close.
  • Contributing QSBS to a partnership. Moving QSBS into a partnership in exchange for a partnership interest is a common way to lose the exclusion. When a partnership distributes QSBS out to partners, status can sometimes survive under narrow rules. The direction of the transfer matters.
  • Entity conversions without modeling. Checking the box or incorporating a partnership can create QSBS, but the fair market value gross asset test and acquisition-date questions can cut the other way. Plan the conversion while assets are still within the limit whenever that is realistic.
  • Assuming every share gets the new limits. Pre-OBBBA stock does not automatically inherit the $15 million cap or the three-year partial exclusion. Track acquisition dates and prior eligible gain by issuer.

Section 1045 When You Need to Sell Before the Clock Runs

Section 1045 still lets eligible shareholders roll gain from a QSBS sale into replacement QSBS within the statutory window, generally 60 days. That tool remains useful when a buyer will not wait for a three-, four-, or five-year mark, or when only a partial exclusion would otherwise apply. Replacement stock has its own qualification rules, and the rolled gain continues to depend on careful basis and holding-period tracking.

Ownership Planning: Useful, Not Casual

The section 1202 exclusion is a shareholder-level benefit. Gifts of QSBS can move stock to children or other donees while generally preserving QSBS status and tacking the donor’s holding period. Married taxpayers need to watch how the statute treats joint returns and how prior exclusions from the same issuer are counted.

Some families explore gifts to separate nongrantor trusts so that more than one taxpayer can claim a separate exclusion amount. That “stacking” idea sits in a sensitive area. Multiple trusts that look like a single economic arrangement can face scrutiny under section 643(f) and related doctrines, and grantor trust status can collapse separate-taxpayer treatment if the trusts are defective in the wrong direction. Treat multi-trust QSBS planning as a counsel-led project with real substance, not as a last-minute gift the week before signing an LOI.

Paper the File While the Facts Are Fresh

When a liquidity event arrives, the IRS and buyers will ask whether the stock was QSBS. Weak files lose arguments that good contemporaneous records would have won. Practical habits include:

  • Board consents and stock ledgers showing original issuance dates, consideration, and certificate numbers.
  • Balance sheets and basis schedules supporting the gross asset test at each issuance.
  • Periodic memos on the active business and 80 percent asset tests as the company pivots or parks cash.
  • Option exercise paperwork tied to section 83 timing.
  • Redemption and secondary-sale chronologies around financings.
  • For conversions, valuation support for the fair market value gross asset measurement.

Before a sale or IPO process, build a QSBS diligence package the same way you would build a tax basis study. For high-dollar or close-call facts, a formal tax opinion may be appropriate.

Key Takeaways

  • For stock acquired after July 4, 2025, section 1202 can exclude up to the greater of $15 million or ten times basis, subject to the per-issuer rules, with a $75 million gross asset ceiling and inflation adjustments after 2026.
  • Post-OBBBA stock can claim a 50 percent exclusion after three years, 75 percent after four years, and 100 percent after five years. Pre-OBBBA stock generally still needs more than five years for the classic exclusion.
  • Older QSBS keeps the prior $10 million / $50 million framework. Do not blend vintages into one limit without checking prior eligible gain from the same issuer.
  • Original issuance, domestic C corporation status, the active business test, and the excluded-business list still control eligibility.
  • Redemptions, partnership contributions, and late conversions remain frequent ways to lose QSBS that looked fine on a fundraising deck.
  • Section 1045 rollovers and careful gift planning can help, while aggressive multi-trust stacking needs seasoned legal review.
  • Contemporaneous documentation is part of the economic value of the exclusion.

If you are raising capital, converting an LLC, granting options, or preparing for a sale and want a second look at your QSBS facts, schedule a consultation with SMB CPA Group. We can help map acquisition dates, gross asset history, and holding periods alongside your attorney and deal counsel. Owners comparing entity choices may also find our posts on S corporation benefits and who really earns S corporation income useful, and our business entity resources cover broader structuring questions.

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Please contact an SMB CPA Group professional directly to discuss your specific questions or business situation. Our team would be happy to speak with you about a tailored consultation to your needs. We also encourage all readers to seek counsel from licensed attorneys, financial advisors, CPAs, Enrolled Agents, or other qualified professionals prior to making decisions related to their finances or enterprises.

Published By:

Levon Galstian, CPA, AEP®
Managing Principal and CPA

SMB CPA Group

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