QSBS Rules: Before vs. After July 4, 2025

Qualified Small Business Stock (QSBS), under Internal Revenue Code Section 1202, provides an exceptional tax incentive to non‑corporate investors (founders, early employees, and angel investors) by allowing significant exclusion of capital gains if certain requirements are met. On July 4, 2025, Congress passed the One Big Beautiful Bill Act (OBBBA), marking a substantial update to QSBS. This legislation introduced new holding period tiers, increased gain exclusion caps, and expanded eligibility thresholds.

This article examines the differences between the pre- and post-OBBBA QSBS rules and explores the practical consequences for investors and founders, especially those managing multiple funding tranches.

Pre‑OBBBA QSBS Rules (Stock Issued On or Before July 4, 2025)

Stock issued before July 4, 2025, is governed by long-standing QSBS rules that have helped thousands of founders and early-stage investors avoid capital gains taxes. These rules will continue to apply indefinitely for stock issued before this date, even if the stock is held or sold years later.

Holding Period and Gain Exclusion

To qualify for QSBS gain exclusion under the original rules, investors must have held the stock for a minimum of five years.

• Mandatory 5‑year holding period:
  • QSBS acquired on or after Sept 27, 2010, required at least 5 years of holding to qualify for 100% exclusion.
  • Selling before five years meant zero exclusion, except in limited circumstances through Section 1045 rollovers.
    

Exclusion Limits

QSBS has a generous, but fixed, gain exclusion limit per issuer. This limit can influence planning for founders with large exits or investors managing multiple company positions.

• Per‑issuer exclusion cap:
  • Greater of $10 million or 10 × the taxpayer’s basis in the stock, cumulative per issuer during a taxpayer’s lifetime.

Gross Asset Test and Eligibility

The issuing corporation must meet strict eligibility criteria to qualify for QSBS treatment. One of the most critical is the gross asset test.

• Aggregate gross assets threshold:
  • The C‑corporation must have had no more than $50 million in gross assets immediately after issuance.
• Additional QSBS eligibility requirements include:
  • Stock must be an original issue from a domestic C‑Corp.
  • The corporation must be engaged in a qualified active business, not in disqualified service fields.
  • Redemption limitations and active business percentage tests must be satisfied.

Post‑OBBBA QSBS Rules (Stock Issued After July 4, 2025)

The OBBBA introduces sweeping reforms for stock issued after July 4, 2025. These changes expand access to QSBS benefits while also making them more flexible and phased, rather than all-or-nothing.

Tiered Holding Period and Gain Exclusion

The most noticeable change under the new regime is the introduction of a tiered structure, offering partial exclusions for earlier liquidity events.

• 3‑year hold → 50% exclusion
• 4‑year hold → 75% exclusion
• 5‑year hold → 100% exclusion, maintaining parity with pre-OBBBA QSBS treatment.

This structure allows more strategic liquidity planning and rewards long-term holders while offering flexibility to those needing earlier exits.

Exclusion Caps Raised

Recognizing the impact of inflation and increased valuations, the OBBBA raised the per-issuer cap and tied it to future inflation.

• Per‑issuer exclusion increased from $10 million to $15 million, or 10× basis, whichever is greater.
• Starting in 2027, the $15 million base will be indexed for inflation.

This provides greater upside potential for successful exits and enhances planning strategies.

Gross Asset Test Expanded

The bill also acknowledges that scaling businesses often breach the previous $50 million limit, thereby disqualifying otherwise suitable companies.

• Asset threshold increased from $50 million to $75 million, and this new limit will be adjusted annually for inflation starting in 2027.

This means later-stage companies with more capital-intensive models – biotech, cleantech, or AI hardware, for example, can now qualify.

What Stayed the Same

Despite the updates, many foundational elements of QSBS remained unchanged under OBBBA.

• QSBS still applies only to original issue stock from domestic C‑corps in qualified industries.
• The rules concerning active business engagement, use of proceeds, redemptions, and holding through entities remain intact.
• Importantly, only stock issued after July 4, 2025 qualifies for the new rules. Stock issued prior remains under the original framework.

Practical Implications for Founders and Investors

These dual regimes create a more complex but opportunity-rich environment for founders and investors. Strategic planning around issuance dates, asset size, and holding period now matters more than ever.

Tranche‑by‑Tranche Planning

Investors acquiring stock across multiple rounds or tranches must now document and plan based on when each block of shares was issued.

• Different holding requirements: 5 years vs. 3–5 years with partial exclusions.
• Different gain exclusion limits: $10M vs. $15M (plus inflation).
• Different asset tests: $50M vs. $75M at time of issuance.

These differences make detailed tranche tracking and tax planning critical.

Strategic Insights

Founders and advisors should think proactively about when to issue stock, especially if they’re near gross asset thresholds or contemplating multiple raises.

• Issue before July 4, 2025 to lock in traditional rules, especially for early-stage companies.
• Delay issuance until after July 4 to benefit from higher exclusion caps and lower asset testing, if close to the $50M–$75M band.
• Plan for 3-year liquidity: investors with post-July stock may now exit earlier with partial tax relief.

Exit Timing Strategy

With the new holding tiers, the exit strategy now becomes more granular. Investors can now optimize between timing and tax outcome.

• 3‑year hold provides partial relief (50%).
• 4‑year hold unlocks 75%.
• 5‑year hold still remains the gold standard for 100% exclusion.

This flexibility opens the door to more dynamic exit and M&A activity within shorter timeframes.

C‑Corp vs. Pass‑Through Choice

Although OBBBA preserved other tax benefits like the 20% QBI deduction for pass-through entities, the enhanced QSBS rules heavily favor C‑corp structuring for high-growth companies.

• C‑corps offer access to QSBS.
• Expanded exclusion caps and relaxed asset tests amplify tax efficiency at scale.

Table – QSBS Comparison

A side-by-side look makes it easy to grasp the key differences between pre- and post-OBBBA rules.

Feature	Stock Issued ≼ July 4, 2025	Stock Issued > July 4, 2025
Holding period	≥ 5 years mandatory	3 years → 50%, 4 y → 75%, 5 y → 100%
Exclusion cap	Greater of $10M or 10× basis	Greater of $15M (indexed) or 10× basis
Gross asset limit at issuance	≤ $50M	≤ $75M (indexed)
Eligibility rules (C‑Corp, etc.)	Yes	Same

Compliance & Documentation Essentials

As the QSBS landscape becomes more nuanced, documentation and compliance take center stage. Investors should expect more scrutiny.

• Maintain issuance-specific records, including dates, amounts, and valuation.
• Obtain attestation letters from companies affirming QSBS eligibility.
• Be prepared to substantiate QSBS eligibility during IRS review, the taxpayer bears the burden, not the issuing company.

Key QSBS Planning Tips

Both companies and investors should consider these best practices to optimize the new QSBS framework.

For Founders and Issuing Companies

Founders can proactively structure issuance timing and documentation to maximize QSBS value for shareholders.

• Time stock issuance to meet asset thresholds (pre/post-OBBBA).
• Structure as a C‑Corp and maintain compliance with QSBS eligibility.
• Avoid redemptions or other disqualifying events near issuance.

For Investors (Founders, VC, Angels, Employees)

Investors holding or receiving QSBS must understand how their tax planning is impacted by the new tiered structure.

• Track share acquisition date and holding period.
  
• Use Section 1045 rollovers if selling before five years.
• Plan for partial exclusions based on 3‑ or 4‑year holds.
• Stack QSBS across taxpayers or trusts to maximize gain exclusions.

Maximizing Opportunities Under Both QSBS Regimes

The One Big Beautiful Bill Act, enacted on July 4, 2025, fundamentally reshaped the QSBS landscape. While stock issued before this date remains governed by traditional 5-year holding rules and $10 million caps, new stock now benefits from:

• Tiered exclusions at 3, 4, and 5 years.
• Higher exclusion caps, rising with inflation.
• More generous eligibility thresholds for company size.

With two parallel frameworks now in play, accurate tracking, legal structuring, and coordinated planning are vital. For founders, the OBBBA enhances the attractiveness of issuing equity. For investors, it delivers more flexible liquidity options with powerful tax benefits.

QSBS remains one of the most potent wealth-building tax strategies available, now more flexible and far-reaching than ever.

 

 

 

DISCLOSURE:

Augustus Wealth, LLC is a registered investment adviser. Advisory services are only offered to clients or prospective clients where Augustus Wealth, LLC and its representatives are properly licensed or exempt from licensure. This financial planning assessment is solely for informational purposes. Past performance is no guarantee of future returns. Investing involves risk and possible loss of principal capital. This assessment is built based off information provided by the client and cannot be relied upon as financial advice. No advice may be rendered by Augustus Wealth, LLC unless a client service agreement is in place.