Question

What’s the difference between pre-OBBBA and post-OBBBA QSBS rules?

Answer

Pre-One Big Beautiful Bill Act (OBBBA) rules required a five-year hold for the full exclusion, with a $10 million per-issuer cap and $50 million gross-asset threshold. Post-OBBBA rules introduce a tiered holding period (50% at three years, 75% at four, 100% at five), a $15 million exclusion cap, and a $75 million gross-asset threshold — all for stock acquired after July 4, 2025. Stock acquired on or before that date remains under the earlier rules.

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